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WO2006136059A1 - Dispositif médical jetable - Google Patents

Dispositif médical jetable Download PDF

Info

Publication number
WO2006136059A1
WO2006136059A1 PCT/CN2005/000914 CN2005000914W WO2006136059A1 WO 2006136059 A1 WO2006136059 A1 WO 2006136059A1 CN 2005000914 W CN2005000914 W CN 2005000914W WO 2006136059 A1 WO2006136059 A1 WO 2006136059A1
Authority
WO
WIPO (PCT)
Prior art keywords
protective sleeve
sliding rail
disposable medical
syringe
consumable
Prior art date
Application number
PCT/CN2005/000914
Other languages
English (en)
Chinese (zh)
Inventor
Chang-Ming Yang
Original Assignee
Chang-Ming Yang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chang-Ming Yang filed Critical Chang-Ming Yang
Priority to CNA200580050237XA priority Critical patent/CN101208122A/zh
Priority to PCT/CN2005/000914 priority patent/WO2006136059A1/fr
Publication of WO2006136059A1 publication Critical patent/WO2006136059A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3271—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel with guiding tracks for controlled sliding of needle protective sleeve from needle exposing to needle covering position
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3231—Proximal end of needle captured or embedded inside piston head, e.g. by friction or hooks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3247—Means to impede repositioning of protection sleeve from needle covering to needle uncovering position
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/28—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • A61M5/3134—Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3269—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel guided by means not coaxially aligned with syringe barrel, e.g. channel-like member formed on exterior surface of syringe barrel for guiding a pushing rod connected to and displacing needle safety sheath
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3271—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel with guiding tracks for controlled sliding of needle protective sleeve from needle exposing to needle covering position
    • A61M5/3272—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel with guiding tracks for controlled sliding of needle protective sleeve from needle exposing to needle covering position having projections following labyrinth paths

Definitions

  • the present invention relates to a disposable medical safety consumable, and more particularly to a disposable safety medical consumable that is safe, easy to handle, and does not have to be used for secondary use. current technology
  • a conventional syringe is composed of a needle and a needle cover, wherein the needle extends a plurality of patches on a side of the body, and an injection needle is inserted into the front end of the body, and the needle cover is a cylindrical shape. And a receiving hole is formed in the bottom of the needle cover; the needle protection method of the conventional syringe and the structure thereof are used, the needle cover is first removed from the needle, and then the needle of the needle is inserted into the injection portion of the patient, but After the conventional syringe is used, the fr cap must be put back on the needle, which may cause the medical staff to be stabbed and infected.
  • An injection needle and a protective sleeve the injection needle is provided with an injection needle at the front end of the insertion portion, and a slider is disposed on the outer edge of the insertion portion, the slider is composed of a base, a guide rod and a
  • the upper cover is formed with a slide rail, and a bump is disposed on one side or both sides of the slide rail near the front end and the rear end, and the slide rail is convex near the rear end.
  • One or more check stops are arranged at the rear of the point, wherein the injection needle is sleeved at the front end of the syringe with the insertion portion, and the protective sleeve is sleeved on the outer edge of the injection needle, and the injection needle is guided
  • the shifting rod is disposed in the sliding rail of the protective sleeve, and is supported by the base and the inner side wall surface of the protective sleeve, and the upper blocking portion abuts against the outer side wall surface of the protective sleeve, and after the injection or extraction, the sliding protective sleeve is passed , to block the stop block Block, and the protective cover is retracted to cover the injection needle.
  • the utility model relates to a safety medical consumable for achieving the above-mentioned purposes, which comprises: a protective sleeve, a sliding rail is arranged on the outer edge of the protective sleeve; a syringe having a needle seat for the injection needle to be inserted at the front end of the syringe, and the needle a slider is arranged on the outer edge of the seat, the slider is composed of a base, a guiding rod and an upper blocking portion; the protective sleeve is sleeved on the outer edge of the syringe, and the syringe is disposed on the protective sleeve by the guiding rod
  • the base and the inner side wall surface of the protective sleeve are abutted against the inner side wall surface of the protective sleeve, and the upper blocking portion abuts against the outer side wall surface of the protective sleeve.
  • the invention also provides a disposable medical safety consumable, comprising: a syringe having a needle holder for inserting the injection needle; a protective sleeve, the outer edge of the protective sleeve is provided with a sliding rail, and the protection The sleeve is provided with a plurality of positioning grooves to be connected with the slide rails; a positioning member, the positioning member extends a "factory" type elastic piece on the set of rings, and a locating piece extends downwardly from the end of the elastic piece; The outer edge of the syringe, the positioning member is sleeved on the needle seat of the syringe, and the "factory” type elastic piece is driven out of the protective sleeve by the sliding rail.
  • the protective sleeve is pushed forward or backward, the "" The positioning piece at the end of the "type” shrapnel can be buckled into different positioning slots with the moving distance of the protective cover.
  • the invention further provides a disposable medical safety consumable, comprising: a syringe, an injection needle is inserted into the front end of the syringe, and a slider is arranged on the outer edge of the syringe, the slider is provided by a base, a guide rod and An upper retaining portion; an indwelling needle, the retaining needle extends a hose at a front end of the sleeve; a protective sleeve, the outer edge of the protective sleeve is provided with a sliding rail, and a front end of the protective sleeve extends with a needle seat;
  • the sleeve is disposed on the outer edge of the syringe, and the guiding rod of the syringe is disposed in the sliding rail of the protective sleeve, and the base is abutted against the inner side wall surface of the protective sleeve, and the upper blocking portion abuts against the outer side wall surface of the protective sle
  • the invention further provides a disposable medical safety consumable comprising: a syringe having a needle holder for inserting the needle, the opposite sides of the needle holder each having a shaft; a protective sleeve, The rear end of the protective sleeve is provided with a shaft hole through which the two shaft rods are inserted, and each of the shaft holes is respectively connected with a fixing groove, and a plurality of backstops are arranged at a position where the shaft hole is in contact with the fixing groove. Blocks, and a plurality of angular positioning holes are arranged in each of the shaft holes.
  • the invention also provides a disposable medical safety consumable comprising: a syringe, the front end of the syringe is covered with a needle seat, and the inner portion of the syringe is provided with a plurality of stoppers at the rear end of the needle seat, and the rear of the needle holder a convex spur is provided on the side protrusion, and the spigot tip and the flank side edge are respectively provided with a liquid guiding hole penetrating through the spur; a rod is disposed in the syringe, and a front end of the push rod defines an engaging hole for the spigot to penetrate, and a rubber plug is coated on the outer edge of the front end of the push rod.
  • the present invention also provides a disposable medical safety consumable, comprising: a syringe having a needle holder for inserting the injection needle, and the needle holder is connected with a positioning structure by a slider;
  • the locating structure is composed of a fastening portion and a fixing portion.
  • the lower end of the fastening portion has a connecting portion, and the front end of the connecting portion forms a circular arc surface, and a groove is recessed on both sides thereof.
  • An elastic piece body with a buckle body is extended on the two sides of the bottom of the connecting portion, and a fastening piece of the front end body is respectively extended on the two sides of the fixing portion, and the lower end of the fixing portion is connected with a positioning protrusion.
  • the fastening piece on the two sides of the front end of the fixing portion extends on both sides of the connecting portion, and the rear side of the front end of the second fastening piece is connected with the front end arc surface of the connecting portion; a sliding rail, a plurality of positioning grooves are formed on both sides of the sliding rail, and a leading angle and a trailing edge of each positioning groove form a guiding angle, and a position of the sliding rail near the rear end isolates a fixing groove by the stopping stopper;
  • Protective cover coated with injection The outer edge, and the slider on the syringe needle seat is pierced by the sliding rail of the protective sleeve, and the positioning structure on the slider is fastened to any positioning groove of the protection block by the buckle at the end of the elastic piece of the connecting portion Inside.
  • the invention also provides a disposable medical safety consumable comprising: a syringe having a needle holder for inserting the injection needle at the front end; a shaft cover, the shaft cover having an opening at one side edge The side of the needle cover extends an extension parallel to the opening, and the extension has a spindle hole.
  • the front end of the spindle hole is connected to a positioning hole by a channel, and the spindle hole is provided with one or one at the channel.
  • the positioning bumps are provided with a plurality of non-returning stops at the intersection of the positioning holes and the channel, and the extending portion defines a sliding rail on the side of the main hole and the positioning hole, and the rear side of the sliding rail is oriented toward the main hole Bending, wherein the sliding rail is provided with one or more non-returning stops near the front end, and the sliding rail is provided with a plurality of positioning bumps near the end; a positioning member having a main shaft and a shaft is disposed, and a through hole is sleeved in the middle of the positioning member; the positioning member is sleeved on the needle seat of the syringe, and the spindle sleeve is placed in the spindle hole, and the shaft is worn Assume Slide rail.
  • the present invention also provides a disposable medical safety consumable comprising: a syringe' having a needle inserted into the front end of the catheter, and a hand-held portion extending from a side edge of the syringe; an indwelling needle, the indwelling needle a hose is extended at the front end of the tube, and the sleeve is provided with a flexible soft plug, and the side edge of the sleeve is connected with an infusion tube at the front end of the elastic soft plug, and the rear side outer ring of the sleeve
  • the utility model is provided with a ring-shaped convex portion; a protective sleeve, an opening is arranged at the front end of the protective sleeve, a plurality of buckles are arranged on the inner edge of the opening, and a sliding rail is arranged on the side edge of the protective sleeve, and the sliding rail is provided near the end.
  • the back seat block; the needle seat of the syringe is pierced from the opening of the protective sleeve and sleeved with the sleeve of the indwelling needle, and the buckle of the front end of the protective sleeve is opened
  • the front end wall of the ring projection of the sleeve is hooked, and the handpiece of the syringe is passed through the slide rail of the protective sleeve.
  • FIG. 1 is an exploded perspective view of a first-time safe medical consumable of the present invention
  • FIG. 2 is an exploded perspective view showing a first embodiment of a first-time safety medical consumable according to the present invention
  • FIG. 3 is an exploded perspective view showing a second embodiment of the primary medical safety medical consumable of the present invention.
  • Figure 4 is an exploded perspective view showing a third embodiment of the disposable medical safety medical material according to the present invention.
  • Figure 5 is an exploded perspective view showing a fourth embodiment of the disposable medical safety medical material according to the present invention.
  • Figure 6 is an exploded perspective view showing a fifth embodiment of the primary medical safety medical consumable
  • Figure 7 is an exploded perspective view showing a sixth embodiment of the disposable medical safety medical material according to the present invention.
  • Figure 8 is an exploded perspective view showing a seventh embodiment of the primary medical safety medical consumable
  • Figure 9 is an exploded perspective view showing the eighth embodiment of the disposable medical safety medical material of the present invention.
  • Figure 10 is a perspective external view of a ninth embodiment of a single-use safety medical consumable according to the present invention.
  • Figure 11 is a perspective view of a tenth embodiment of a first-time safety medical consumable according to the present invention
  • Figure 12 is a perspective view of a first embodiment of a safety medical consumable of the present invention
  • FIG. 14 is an exploded perspective view of a first embodiment of a first-time safety medical consumable according to the present invention
  • FIG. Fig. 17 is a perspective exploded view of a first embodiment of a safety medical consumable of the present invention
  • FIG. 18 is a perspective exploded view of a first embodiment of a safety medical consumable of the present invention
  • Figure 19 is a perspective exploded view of the first embodiment of the first-use safety medical consumables of the present invention
  • Figure 20 is an exploded perspective view of the first embodiment of the present invention
  • An exploded perspective view of the twentieth embodiment
  • FIG. 22 is a perspective exploded view of a second embodiment of a safe medical consumable of the present invention
  • Figure 23 is an exploded perspective view of a second embodiment of a safe medical consumable of the present invention
  • FIG. 25 is an exploded perspective view of a second embodiment of a first-time safety medical consumable according to the present invention
  • FIG. Figure 27 is a perspective exploded view of a second embodiment of a safe medical consumable of the present invention
  • Figure 28 is an exploded perspective view of a second embodiment of a safe medical consumable of the present invention
  • FIG. 30 is a perspective exploded view of a second embodiment of a safe medical consumable of the present invention
  • FIG. 31 is a perspective exploded view of a third embodiment of a safe medical consumable of the present invention
  • FIG. 33 is an exploded perspective view of a 32th embodiment of a first-time safety medical consumable according to the present invention
  • FIG. 34 is a perspective exploded view of a 33rd embodiment of a disposable safety medical consumable according to the present invention
  • Figure 35 is a perspective exploded view of a 34th embodiment of a safety medical consumable for primary use of the present invention
  • Figure 36 is a perspective view of a 35th embodiment of a disposable medical safety consumable according to the present invention
  • FIG. 38 is a perspective view of a thirty-first embodiment of a single-use safety medical consumable according to the present invention
  • FIG. 34 is a perspective exploded view of a 33rd embodiment of a disposable safety medical consumable according to the present invention
  • Figure 35 is a perspective exploded view of a 34th embodiment of a safety medical consumable for primary use of the present invention
  • Figure 36 is a perspective view of a 35th embodiment of a disposable medical safety consumable according to the present invention
  • FIG. 38 is a perspective view
  • FIG. 39 is a first-use safety medical treatment according to the present invention
  • Figure 38 is a perspective exploded view of a 39th embodiment of a disposable medical safety medical device according to the present invention
  • Figure 41 is a perspective exploded view of a 40th embodiment of a disposable medical safety medical material according to the present invention
  • FIG. 43 is an exploded perspective view showing a forty-sixth embodiment of a first-time safety medical consumable according to the present invention
  • FIG. Figure 45 is a perspective exploded view of a 44th embodiment of a disposable medical safety medical material according to the present invention
  • Figure 46 is an exploded perspective view of a 45th embodiment of a disposable medical safety medical material according to the present invention
  • FIG. 48 is a side cross-sectional view showing a 47th embodiment of a disposable medical safety medical material according to the present invention
  • FIG. 48A is a side elevational view showing a 47th embodiment of the primary safety medical consumable according to the present invention.
  • Figure 48B is a side elevational view of the forty-seventh embodiment of the first-use safety medical consumable of the present invention
  • Fig. 49 is a perspective exploded view of the 48th embodiment of the disposable medical safety medical material according to the present invention
  • FIG 49A is a perspective exploded view of a positioning structure;
  • Figure 50 is a perspective view showing the 49th embodiment of the first-time safety medical consumables of the present invention
  • Figure 51 is a perspective exploded view of the 50th embodiment of the disposable medical safety medical material according to the present invention
  • Fig. 53 is an exploded perspective view showing a 52nd embodiment of the disposable medical safety medical material according to the present invention
  • Fig. 53A is an exploded perspective view showing the 53rd embodiment of the disposable medical safety medical material according to the present invention. Best mode for carrying out the invention
  • the disposable medical safety medical supplies provided by the invention mainly include:
  • a protective cover 1 the outer edge of the protective cover 1 is provided with a sliding rail 11;
  • a syringe 2 having a needle holder 21 for the injection needle 22 to be inserted into the front end of the syringe 2, and a slider 3 protruding from the outer edge of the needle holder 2, the slider 3 being composed of a base 31, a guide rod 32 and An upper block 33 is formed;
  • the protective sleeve 1 is sleeved on the outer edge of the syringe 2, and the syringe 2 is disposed in the sliding rail 11 of the protective sleeve 1 with the guiding rod 32, and is abutted against the inner side wall surface of the protective sleeve 1 by the base 31, and the above
  • the stopper portion 33 abuts against the outer wall surface of the protective cover 1.
  • the protective cover 1 is provided with a bump 12 on one side or both sides of the sliding rail 11 near the front end and the rear end, and the sliding rail 11 is One or more check stops 4 are disposed behind the bumps 12 near the rear end; the upper safety portion of the slider 3 is fixed to the protective cover 1 before use of the safety medical consumables provided by the present invention.
  • the slide rail 11 is close to the bump 12 of the rear end and the check stopper 4, and when the disposable medical safety consumable provided by the present invention is to be used, only the protective cover 1 needs to be pulled back to disengage the upper stop portion 33.
  • the slide rail 11 approaches the bump 12 of the rear end, and approaches the front end bump 12 through the slide rail 11, so that the injection needle 22 is exposed by the front end of the protective sleeve 1, and the rear end wall surface of the upper stopper portion 33 of the slider 3 is affected by the slide rail 11
  • the bump 12 near the front end is blocked and cannot be retracted.
  • the injection needle 22 can be inserted into the injection portion of the patient to perform the action of withdrawing or injecting, and when the extraction or injection is completed, only the protective sleeve 1 needs to be forwarded.
  • the upper block 33 can be brought close to the front through the slide rail 11
  • the bump 12 is provided, and the injection needle 22 is wrapped in the protective sleeve 1, and then the protective sleeve 1 is pushed forward, so that the upper blocking portion 33 of the slider 3 is disposed through the rear end of the sliding rail 11.
  • the check block 4 is blocked by the check block 4 on the front wall surface of the upper stop portion 33, so that the protective cover 1 can no longer be pushed back, so that the disposable medical safety consumable of the present invention can be avoided.
  • the bump 12 and the check block 4 provided on the outer edge of the protective cover 1 may also be disposed on the inner side wall surface of the slide rail 11 for blocking the guide rod 32 of the slider 3;
  • the bump 12 and the check block 4 provided on the outer edge of the protective cover 1 may also be disposed on the inner side wall surface of the protective cover 1 for blocking the base 31 of the slider 3.
  • the front end of the slide rail 11 can form a tapered clamping portion 13 instead of the bump 12 disposed near the front end of the sliding rail 11 , so
  • the protective cover 1 is pushed backward by the action of extraction or injection, and the clamping portion 13 is held by the two side wall surfaces of the guiding rod 32, the protective cover 1 is fixed to the rear end of the syringe 2 to avoid protection.
  • Set 1 moves forward An action that hinders injection or extraction.
  • the protective sleeve 1 can open a screwing groove 14 at the rear side of the check block 4 at the end of the slide rail 11 and is screwed in.
  • the slot 14 is connected to the slide rail 11 at a position where a plurality of check stops 4 are provided.
  • the guide rod 32 of the slider 3 is received in the screw-in slot 14 and is blocked by the check block 4, so that the guide rod 32 can no longer be disengaged from the screw-in slot 14, so that the present invention provides
  • the safety medical consumables can be used for the purpose of being unable to be used twice.
  • one side of the front end of the slide rail 11 can also be provided with a screw-in slot 14 instead of the bump 12 near the front end of the slide rail 11 for extraction or injection.
  • the protective cover 1 When the protective cover 1 is pulled back, the protective cover 1 can be rotated, and the guiding rod 32 can be placed into the screwing groove 14 to prevent the protective sleeve 1 from slipping forward and backward to hinder the injection or extraction operation, and After the injection or extraction is completed, it is only necessary to rotate the protective cover 1 again, so that the guiding rod 32 is When the screw is inserted into the groove 14, the protective cover 1 can be pushed forward.
  • the rear end of the check block 4 of the protective cover 1 can open a receiving portion 15 and is inside the receiving portion 15 .
  • the peripheral edge is provided with a plurality of check stops 4, and the protective cover 1 is tapered forward by the position of the bump 12 provided by the slide rail 11 near the rear end.
  • the upper blocking portion 33 can be pressed into the accommodating portion 15 and blocked by the check stopper 4, so that the upper blocking portion 33 cannot be disengaged from the accommodating portion 15, so as to avoid secondary use;
  • the protective cover 1 can also be lifted up from the bump 12 provided at the rear end of the sliding rail 11; further, the upper blocking portion 33 can be covered by a cover 16 and the front end and rear of the cover 16
  • a cover body 161 is respectively disposed in the sliding rail 11 and the receiving portion 15 to prevent the protective cover 1 from being displaced by the positioning of the cover 16 before the primary safety medical consumable of the present invention is used. Dangerous.
  • an opening 17 is recessed downwardly at the end of the sliding rail 11 , and one or more bumps 12 are protruded from the intersection of the sliding rail 11 and the opening 17 .
  • a protrusion 34 that can be received in the opening 17 at the bottom of the end of the blocking portion 33 of the slider 3 of the syringe 2; the first-use safety medical consumable provided by the present invention, before use, the upper blocking portion 33
  • the bottom of the bump 34 abuts against the outer edge of the protective sleeve 1, and the rear side wall surface of the bump 34 is topped on the front end of the bump 12.
  • only the press is required.
  • the front end of the upper blocking portion 33 is pulled upward by the guiding rod 32 as a lever, and the protective sleeve 1 can be pulled back to make the injection needle 22
  • the front end of the protective cover 1 is exposed to perform an action of drawing or injecting, and when the action of the extraction or injection is completed, the front end of the upper blocking portion 33 is again pressed, and the The guide bar 32 acts as a lever to pull up the bump 34 at the bottom end of the rear end of the upper stop portion 33, and pushes the protective cover 1 forward, so that the bump 34 of the upper stop portion 33 passes through the bump 12 and is received.
  • the projection 34 cannot be released from the opening 17.
  • the protective cover 1 is replaced by a sheet or a semicircle in addition to the position where the foremost end of the injection needle 22 can be covered to avoid blocking.
  • the scale on the syringe 2 is such that when a quantitative sample or a dose of a drug is to be taken, no extraction or overdose is caused.
  • the sliding rail 11 can be connected to the upper blocking portion 33 and the protective sleeve 1 by a connecting member 5 near the rear end, and thus is provided once when the present invention is to be used.
  • the protective cover can be pushed back to perform the extraction or injection only by tearing the connecting member 5, and the connecting member 5 can also be replaced by glue or other adhesive components.
  • a protrusion 18 extends upwardly from the distal end side of the slide rail 11 , and a buckle hole 181 is defined in the protrusion 18 , and the slider 3 is blocked.
  • the position of the button hole 181 of the corresponding protrusion 18 is provided with a buckle 332.
  • the slide rail 11 has a protrusion 18 extending upward from the end side, and the upper block 33 is provided with a side edge of the protrusion 18
  • the check block 4 after the extraction or injection is completed, the protective cover 1 is pushed forward, so that the upper stop portion 33 is retracted to the rear of the bump 18 to be blocked by the check block 4 on the bump 18
  • the rear side wall surface is such that the protective sleeve 1 cannot be pulled back again to avoid the purpose of secondary use.
  • the check block 4 on the upper blocking portion 33 can also be disposed on the bump 18.
  • the protective cover 1 is provided with a bump 12 on the one side or both sides of the slide rail 11 near the front end and the rear end, and the end of the upper stop 33
  • a buckle 333 which can be hooked on the inner side wall surface of the rear end of the protective cover 1 is extended downward, and when the primary medical safety consumable provided by the present invention is used and the protective cover 1 is pushed forward to the foremost end of the syringe 2,
  • the buckle 333 can pass through the rear edge of the protective cover 1 and be hooked on the inner side wall surface of the rear end of the protective cover 1, so that the protective cover 1 cannot be pulled back again.
  • the slider 3 upper blocking portion 33 A hook 334 extends downwardly from one side or both sides of the end, and a plurality of grooves 19 are provided on the side or both sides of the sliding rail 11 of the protective sleeve 1 near the front end and the rear end, and the sliding rail 11 of the protective sleeve 1 A perforation 10 is provided on one or both sides of the end, so that the tick 334 is placed in the groove 19 near the rear end of the slide rail 1 before use, and is used as a primary medical safety consumable provided by the present invention.
  • the wearing hook 334 is disengaged from the groove 19 of the sliding rail 11 near the rear end and placed into the sliding rail 11 to approach the front end groove 19, so as to avoid the slip of the protective sleeve during extraction or injection.
  • the protective cover 1 is recessed with a concave buckle 101 at the outer edge of the front end of the sliding rail 11 , and the bottom edge of the front end of the upper sliding portion 33 of the sliding block 3 is A protruding buckle 332 is provided.
  • the protruding buckle 332 of the upper blocking portion 3 can be engaged with the female buckle 101 of the protective sleeve 1 to avoid the protective sleeve 1
  • the displacement is caused to cause difficulty in injection or extraction.
  • the convex buckle 332 at the bottom end of the upper blocking portion 33 and the female buckle 101 of the protective sleeve can also be mutually exchanged.
  • a front end edge of the upper end portion of the upper portion 33 of the slider 3 is provided with a convex portion 335, and the front and rear ends of the convex portion 335 are inclined.
  • the convex portion 335 passes the inclined surface of the front end to disengage the convex portion 335 from the sliding rail 11 and moves to the front edge of the protective sleeve 1, so that when the injection or extraction is performed,
  • the convex portion 335 is shielded from the front end wall surface of the protective cover 1 to prevent the protective sleeve 1 from being displaced.
  • the protective sleeve 1 When the extraction or injection is completed, the protective sleeve 1 only needs to be pushed forward. At this time, the convex portion 335 can pass through the convex portion 335. The inclined surface on the rear side re-enters the slide rail 11 away from the front end wall surface of the protective cover 1.
  • the protective cover 1 retains the position of the front end covering the tip end of the injection needle 22, and the rear side thereof can be replaced by the sheet body 102, and the syringe 2 corresponds to
  • the sheet body 102 on the rear side of the protective cover 1 is provided with a recess 23, so that when the protective cover 1 is pushed backward, the sheet body 102 on the rear side of the protective cover 1 is placed in the recess 23 of the syringe.
  • the protective cover 1 retains the position where the foremost end of the injection needle 22 is covered, and the rear side is replaced by the sheet 102, one or both of the sliding rails 11
  • the inner side wall faces of the side near the front end and the rear end are each provided with a bump 12, and the slide rail 11 is provided with one or more check stops 4 behind the bump 12 near the rear end, and the slider 3 does not
  • the upper portion 33 is provided, and a covering portion 24 for allowing the rear side sheet 102 to be placed is protruded from the outer edge of the syringe 2.
  • the front edge of the upper blocking portion 33 is provided.
  • a buckle 332 a front end of the outer edge of the protective sleeve 1 is provided with a protrusion 18, and the position of the protrusion 18 corresponding to the front edge of the upper rib 33 is provided with a recess 101, so that the protective cover 1
  • the buckle 332 can be engaged with the female buckle 332 to prevent the protective sleeve 1 from being displaced.
  • a buckle 332 can be disposed at the rear end of the upper stop portion 33, and the buckle can be disposed.
  • the end of the 332 has a plug portion 336, and the end of the protective sleeve is also provided with a bump 18 having a recessed button 101, and a buckle portion 103 is disposed on the inner side of the recessed button 101. Therefore, when the present invention provides When the safety syringe is used, the buckle 332 at the rear end of the upper portion 33 can be received in the female buckle 101 by the forward movement of the protective sleeve 1 and interlocked with the buckle portion 103 through the plug portion 336. Therefore, the protective cover 1 can no longer be pushed back to avoid the purpose of secondary use; further, the front buckle and the rear end of the upper blocking portion 33 can also be provided with the female buckle 332 on the bump 18 101 interchange.
  • the rear end surface of the sliding rail 11 or the inner wall surface of the rear end of the protective sleeve 1 can be designed to have an offset oblique angle, and is disposed at the front end of the protective sleeve. Only the ring portion 104 through which the injection needle 22 is allowed to pass, when the protective cover 1 is pushed forward by injection or extraction, the protective cover 1 is affected by the offset oblique angle, so that the protective sleeve 1 and the injection needle are provided. An angle is generated between the 22, and the injection needle 22 is blocked by the ring portion 104, so that the injection needle can no longer be worn out by the protective sleeve 1 to avoid secondary use.
  • the sliding rails 11 are respectively provided with the screw-in grooves 14 at the same distance from the side edges of the sliding rails 11, and the screw-in slots 14 and the sliding rails are respectively arranged.
  • 11 is provided with a bump 12 at the position of the connection, and the bump 12 which is screwed into the groove 14 at the end is replaced by the check block 4, and when the sleeve is pulled backwards for extraction or injection, After the length of the injection needle 22 required for the injection is exposed to the protective cover 1, the slider 3 is transferred into the nearest screw-in groove 14, and is blocked by the bump 12, so that during the injection or extraction process, the slider 3 It is not easy to be disengaged by the screwing groove 14.
  • the first-time safety medical consumables provided by the present invention mainly include:
  • a syringe 2 the front end of the syringe 2 has a needle seat 21 for the injection needle 22 to be inserted;
  • a protective sleeve 1 the outer edge of the protective sleeve 1 is provided with a slide rail 11, and the protective sleeve 1 is provided with a plurality of fixed
  • the position groove 105 is in contact with the slide rail 11, and the side edge of the end of the slide rail 11 defines a screw-in groove 14, and a stop-stop block 4 is provided at a position where the screw-in groove 14 meets the slide rail 11;
  • the positioning member 6 extends a set of ring 61 with a "factory” type elastic piece 62, and the end of the "factory" type elastic piece 62 extends downwardly with a positioning piece 63;
  • the protective cover 1 is wrapped around the outer edge of the syringe 2, and the positioning member 6 is sleeved on the needle seat 21 of the syringe 2 by the collar 61, and the "factory" type elastic piece 62 is passed out of the protective cover 1 by the sliding rail 11.
  • the positioning piece 63 at the end of the "factory" type elastic piece 62 is buckled into the different positioning groove 105 according to the moving distance of the protective cover 1, and when the injection needle is used
  • the protection sleeve 1 is continuously pulled back, and the positioning piece 63 is snapped into the nearest positioning groove 105 for extraction or injection.
  • the retaining slot 105 at the end of the rail 11 is provided with a plurality of check stops 4 for preventing the positioning piece 63 from being buckled again. Furthermore, the "factory" type elastic piece 62 can also be directly disposed on the needle holder 21 of the syringe 2.
  • the first-use safety medical consumables provided by the present invention mainly includes a syringe 2, an injection needle 22 is inserted into the front end of the syringe 2, and a slider 3 is disposed on the outer edge of the syringe 2.
  • 3 is composed of a base 31, a guiding rod 32 and an upper blocking portion 33;
  • An indwelling needle 7, the indwelling needle 7 extends at a front end of a sleeve 71 with a hose 72;
  • a protective sleeve 1 the outer edge of the protective sleeve 1 is provided with a slide rail 11, and a front end of the protective sleeve 1 extends a needle seat 106;
  • the protective sleeve 1 is sleeved on the outer edge of the syringe 2, and the guiding rod 32 of the syringe 2 is disposed in the sliding rail 11 of the protective sleeve 1, and the base 31 abuts against the inner side wall surface of the protective sleeve 1, and the upper blocking portion 33 is abutted against the outer side wall surface of the protective cover 1, and the indwelling needle 7 is sleeved on the needle seat 106 of the protective sleeve 1 by a sleeve 71, and the hose 72 is wrapped around the outer side of the injection needle 22, and the sliding One or both sides of the rail 11 are provided with bumps 12 near the front end, and the slide rail 12 is provided with one or more check stops 4 near the rear end; Before the medical consumables are used, the rear side wall surface of the upper blocking portion 33 is in contact with the bump 12 near the front end of the slide rail 11, and when the injection or extraction is performed, the injection needle 22 and the hose
  • the needle holder 106 of the protective sleeve 1 is retracted from the sleeve 71 of the indwelling needle 7 by the force of the retraction of the syringe 2, at which time the protective sleeve 1 covers the outer edge of the injection needle 22 and passes through the checkback gear.
  • the block 4 is blocked so that the syringe 2 can no longer be pushed forward, thereby achieving the purpose of one-time use; in addition, the bump 12 and the check block 4 provided on the outer edge of the protective cover 1 can also be disposed on the slide rail 11
  • the inner side wall surface is used to block the guide rod 32 of the slider 3; further, the bump 12 and the check block 4 provided on the outer edge of the protective sleeve 1 can also be disposed on the inner side wall surface of the protective sleeve 1 for preventing slippage.
  • the front end of the slide rail 11 can form a tapered clamping portion 13 instead of the bump 12 provided by the sliding rail 11 near the front end.
  • the protective cover 1 can also be provided with a screwing groove 14 at the rear side of the check block 4 at the end of the slide rail 11, and is rotated.
  • a plurality of check stops 4 are provided at the position where the inlet groove 14 is in contact with the slide rail 11.
  • a screw-in groove 14 may be formed on one side of the front end of the slide rail 11 instead of the bump 12 near the front end of the slide rail 11.
  • the rear end of the check block 4 of the protective cover 1 can open a receiving portion 15 and is inside the receiving portion 15
  • a plurality of check stops 4 are provided on the periphery, and the protective cover 1 is tapered forward by the position of the bump 12 provided by the slide rail 11 near the rear end.
  • the protective cover 1 can also be close to the rear end of the slide rail 11
  • the upper portion 33 can be covered by a cover 16 , and a cover 161 can be disposed on the front end and the rear end of the cover 16 to be placed on the slide rail 11 and the receiving portion 15 .
  • an end 17 of the sliding rail 11 is recessed downwardly, and one or more bumps 12 are protruded from the intersection of the sliding rail 11 and the opening 17. And a protrusion 331 which can be accommodated in the opening is arranged at the bottom of the end of the blocking portion 33 of the slider 3 of the syringe 2.
  • the sliding rail 11 is adjacent to the rear end, and the connecting member 5 is connected to the upper blocking portion 33 and the protective sleeve 1, and the connecting member 5 can also be glued or Replace other adhesive components.
  • a protrusion 18 extends upwardly from the distal end side of the slide rail 11, and a buckle hole 181 is defined in the protrusion 18, and the slider 3 is blocked.
  • a button 332 is disposed at a position of the button hole 181 of the corresponding protrusion 18, and the button hole 181 of the protrusion 18 is replaceable with the button 332 provided by the upper block portion 33.
  • the slide rail 11 is near the end.
  • a protrusion 18 is extended on one side, and a check block 4 is fastened on the side edge of the protrusion 18, and the check block 4 on the upper block 33 can also be It is disposed on the bump 18.
  • the protective cover 1 is provided with a bump 12 on one side or both sides of the sliding rail 11 near the front end and the rear end, and the upper blocking portion 33 is provided.
  • a buckle 333 which can be hooked on the inner side wall surface of the rear end of the protective cover 1 extends downward from the bottom of the end.
  • one side or both sides of the upper end of the blocking portion 33 of the slider 3 extends downwardly by a hook 334, and the sliding rail 11 of the protective sleeve 1 is close to the front end.
  • a plurality of grooves 19 are provided on one side or both sides of the rear end, and a perforation 10 is provided on one or both sides of the end of the slide rail 11 of the protective cover 1.
  • the protective cover 1 is on the sliding rail.
  • a recessed button 101 is defined in the outer edge of the front end of the front end of the cover member 31, and a front end edge of the front end portion of the upper portion 33 of the slider 3 is provided with a buckle 332.
  • a convex portion 335 is disposed on the bottom edge of the front end of the upper portion 33 of the slider 3, and the front and rear ends of the convex portion 335 have a slope.
  • a convex buckle 332 is disposed on the front edge of the upper blocking portion 33, and a front end of the outer edge of the protective sleeve 1 is provided with a protrusion 18, and the convex block 18 is provided.
  • a recessed button 101 is disposed at a position corresponding to the front edge of the upper latching portion 33, and a latching portion 332 is disposed at a rear end of the latching portion 332.
  • the end of the protective sleeve 1 is also provided with a projection 18 having a concave buckle 101, and a buckle portion 103 is disposed on the inner side of the concave buckle 101.
  • the rear end surface of the slide rail 11 or the inner wall surface of the rear end of the protective sleeve 1 can be designed to have an offset oblique angle.
  • a side portion of the syringe 2 can respectively protrude from a hand-held portion 25, and the protective sleeve 1 is provided with a sliding portion for the hand-held portion 25 to be inserted. Shifting 107.
  • the primary medical safety medical supplies provided by the present invention include:
  • the front end of the syringe 2 is provided with a needle seat 21 for the injection needle 22 to be inserted, the opposite sides of the needle holder 21 are provided with a shaft 26;
  • a protective sleeve 1 a shaft hole 8 through which the two shafts 26 are inserted is formed on both sides of the rear end of the protective sleeve 1 , and each of the shaft holes 8 is respectively connected to a fixing groove 81 , and the shaft hole 8 and the fixing groove 81 are respectively
  • a plurality of non-returning blocks 4 are disposed at the adjacent positions, and a plurality of angular positioning holes 82 are disposed in the respective shaft holes 8.
  • the outer edge of the protective sleeve 1 is perpendicular to the shaft hole 8 Opening 17;
  • the primary safety medical consumables provided by the present invention it is only necessary to rotate the protective sleeve 1 about the shaft 26, so that the injection needle 22 is rotated out of the opening 17 of the protective sleeve 1 for injection or extraction, and
  • the protective cover 1 can adjust the angle of the required rotation through the angle positioning hole 82, and when the primary safety medical consumable provided by the present invention is used, only the protective cover 1 needs to be turned back to the coated injection needle 22, and then The shaft 26 is pushed into the fixing groove 81, so that the shaft 26 can be detached from the fixing groove 81 again by the stopper of the check block 4, so as to prevent secondary use.
  • the first-use safety medical consumables provided by the present invention include:
  • a syringe 2 the front end of the syringe 2 is covered with a needle holder 21, and a plurality of stoppers 27 are arranged inside the needle holder 21 at the rear end of the needle holder 21, and a spur 28 is protruded from the rear side of the needle holder 21, and The tip end of the spur 28 and the side edge of the spur 28 are respectively provided with a liquid guiding hole 281 penetrating the spur 28;
  • a push rod 9 is disposed in the syringe 2, and a front end of the push rod 9 defines an engaging hole 91 through which the burr 28 can be inserted, and an outer edge of the front end of the push rod 9 is covered with a glue Plug 92 ;
  • the push rod 9 When the primary safety medical consumable provided by the present invention is used, the push rod 9 is pushed forward, so that the medicine in the syringe 2 is injected into the patient through the tip of the spur 28 and the liquid guiding hole 281 at the side edge of the spur 28, or will be pushed. The rod 9 is pulled back, and the blood, body fluid or other sample of the patient is extracted into the syringe 2 from the tip end of the spur 28 and the liquid guiding hole 281 on the side edge of the spur 28, and the safety medical consumable used once is provided by the present invention.
  • the push rod 9 only needs to be pushed to the front end, so that the spur 28 can pass through the plug 92 and penetrate into the engaging hole 91, so that the push rod 9 can no longer be pulled back, so that the present invention One time you can't use it again with safe medical supplies.
  • the disposable medical safety medical material provided by the present invention comprises: a syringe 2 having a needle holder 21 at the front end of the syringe 2 for inserting the injection needle 22, and the needle holder is provided with a needle holder
  • the slider 3 is connected to a positioning structure 29;
  • a positioning structure 29 is formed by a fastening portion 291 and a fixing portion 292.
  • the lower end of the fastening portion 291 has a connecting portion 293.
  • the front end of the connecting portion 293 forms a circular arc surface and both sides thereof Each of the two sides of the bottom portion of the connecting portion 293 extends rearwardly to an elastic sheet body 295 having a buckle block 29 extending from the front end of the connecting portion 292.
  • the fastening piece 292 is connected to a positioning protrusion 298.
  • the fastening piece 292 has a fastening piece 297 on both sides of the front end of the fixing portion 292 extending from the two sides of the connecting portion 291, and the two fastening pieces 297 are fastened to the front end of the connecting portion 297.
  • the rear side of the connecting portion 293 is in contact with the arc surface of the front end of the connecting portion 293;
  • a protective cover 1 a sliding rail 11 is defined on the protective sleeve 1 , and the sliding rail 11 is provided with a plurality of fixed sides
  • the position groove 105, the leading edge and the trailing edge of each positioning groove form a guiding angle, and the position of the sliding rail 11 near the rear end isolates a fixing groove 108 by the stopping block 4;
  • the protective cover 1 is wrapped around the outer edge of the syringe 2, and the slider 3 on the needle seat 21 of the syringe 1 is passed through the slide rail 11 of the protective cover 1, and the positioning structure 29 on the slider 3 is connected by the connecting portion 291.
  • the fastening block 294 at the end of the elastic piece 295 is fastened into any positioning groove 105 of the protective cover 1; the first-use safety medical consumable provided by the present invention pulls the fixing portion 292 backward, so that the front end of the fixing portion 292 is both sides
  • the fastening body 296 of the fastening piece 297 is respectively positioned in the groove 299 on both sides of the connecting portion 293, and the positioning protrusion 298 at the bottom of the fixing portion 292 extends the two elastic pieces 295 of the connecting portion 291 to the two sides to make the two elastic
  • the buckle 294 on the body 295 abuts against any of the positioning grooves 105 of the protective cover 1, and the protective cover 1 is fixed at a position where the injection needle 22 is not pushed forward and backward; and when the extraction or injection operation is to be performed, Then, the fixing portion 292 is pushed forward, so that the rear side of the buckle body 296 of the front end of the fixing portion 292 is in contact with the front end arc surface of
  • the positioning structure in the primary medical safety medical consumable provided by the present invention, the positioning structure
  • the engaging portion 291 has a connecting portion 293 at the lower end of the engaging portion 293, and an elastic piece with a buckle 294 at the bottom end of the connecting portion 293. 295, the lower end of the fixing portion 292 is connected with a positioning protrusion 298, and the connecting portion 291 and the fixing portion 292 are connected by a flexible connecting portion 30; when the primary medical safety consumable provided by the present invention is used before The protective cover 1 is wrapped around the outer edge of the injection needle 22, and the fixing portion 292 is pressed downward, so that the positioning protrusion 298 at the lower end of the fixing portion 292 spreads the two elastic pieces 295 of the connecting portion to both sides.
  • the buckle 294 on the two elastic sheets 295 abuts against any of the positioning grooves 105 of the protective sleeve 1 , and the protective sleeve 1 is fixed at the position of the covering needle 22 and cannot be pushed back and forth, and passes through the two elastic sheets 295 .
  • the elastic force clamps the positioning protrusions 298, so that the positioning protrusions 298 can not be separated from the two elastic sheets 295, and when the action of extracting or injecting is to be performed, only the fixing portion 292 needs to be pulled up to make the positioning protrusions. 298 is separated from the two elastic sheets 295, and the protective sleeve 1 can be pulled back.
  • the protective cover 1 is further oriented. Pushing the front end to the foremost end, the buckle 294 on the two elastic sheets 295 can be prevented from coming out of the fixing groove 108 through the check block 4.
  • the present invention provides a disposable medical safety consumable, comprising: a syringe 2, the front end of the syringe 2 has a needle seat 21 for inserting the injection needle 22;
  • a shaft cover 20 extending from a side of the needle cover 201 having an opening 202 at one side thereof to an extension 203 parallel to the opening 202, and having a spindle hole 204 in the extension portion 203
  • the front end of the spindle hole 204 is connected to a positioning hole 206 by a channel 205.
  • the spindle hole 204 is provided with one or more positioning bumps 207 at the interface of the channel 205, and the positioning hole 206 is connected with the channel 205.
  • the retaining portion 4 defines a sliding rail 208 on the side of the main shaft hole 204 and the positioning hole 206.
  • the rear side of the sliding rail 208 is curved toward the main shaft hole 204, wherein the sliding rail 208 is close to the front end.
  • One or more check stops 4 are provided, and the position of the slide rail 208 near the end is provided with a plurality of positioning bumps 207;
  • the positioning member 6 has a main shaft 64 and an additional shaft 65, and a positioning hole 6 is provided in the middle of the positioning member 6 can be sleeved on the needle holder 21;
  • the positioning member 6 is sleeved on the needle seat 21 of the syringe 2 with a through hole 66.
  • the spindle 64 is sleeved in the spindle hole 604, and the shaft 65 is inserted into the slide rail 208, once provided by the present invention.
  • the shaft cover 20 When using the safety medical consumables, the shaft cover 20 is rotated to the side with the main shaft 64 of the positioning member 6 as an axis, so that the injection needle 22 is exposed by the opening 202 of the needle cover 21 for the purpose of extraction or injection, and when When the rotating shaft cover 20 is rotated, the auxiliary shaft 65 is simultaneously moved to the rear side of the sliding rail 208, and the rotating shaft cover 20 can be rotated more smoothly by the auxiliary shaft 65 to avoid the upward and downward shift in the rotation, thereby causing the turning process. If the injection or extraction is completed, only the shaft cover 20 needs to be turned back to the original position, so that the needle cover 201 covers the needle tip of the injection needle 22, and then the shaft cover 20 is pulled to make the spindle 64 pass through the passage.
  • the 205 is moved into the positioning hole 206, and the attachment shaft 65 also approaches the front end stop block 4 through the slide rail 208 as the shaft cover 20 is pulled, thereby preventing the main shaft 64 and the attachment shaft 65 from being worn again by the check stopper 4. Out, and if you want to turn again The shaft cover 20 can not be rotated because the shaft 65 is blocked by the wall surface of the slide rail 208, so that the safety purpose can be achieved once.
  • the top portion of the main shaft 64 and the shaft 65 can be provided with a stopper 67 to The shaft cover 20 is prevented from being disengaged from the positioning member 6; furthermore; the positioning member 6 can also be directly disposed on the injection needle 22.
  • the disposable medical safety medical supplies provided by the present invention, including:
  • a syringe 2 the front end of the syringe 2 is inserted with an injection needle 22, and a side portion of the syringe 2 extends a hand portion 25;
  • An indwelling needle 7 extending from a front end of a sleeve 71 with a hose 72, and the sleeve 71
  • the inner plug is provided with a flexible soft plug 73, and the side edge of the sleeve 71 is connected to the front end of the soft plug 73 with an infusion tube 74, in addition, the outer ring of the rear side of the sleeve 71 is provided with a ring convex portion 75;
  • a protective cover 1 is provided with an opening 17 at the front end of the protective sleeve 1.
  • the inner edge of the opening 17 is provided with a plurality of buckles 171, and a sliding rail 11 is defined at a side edge of the protective sleeve 1, and the sliding rail 11 is located near the end.
  • the needle holder 21 of the syringe 2 is sleeved from the opening 17 of the protective sleeve 1 and sleeved with the sleeve 71 of the indwelling needle 7, and the hook 171 of the front end opening of the protective sleeve 1 is the front end wall surface of the looping convex portion of the hooking sleeve 71.
  • the hand-held portion 25 of the syringe 2 is passed out by the slide rail 11 of the protective cover 1.
  • the hand-held portion 25 of the side edge of the syringe 2 is pulled back, leaving the hose 72 in the patient injection portion, and the injection needle 22 is disengaged from the patient injection portion, at which time the syringe 2 is continuously pulled back, and the hand-held portion 25 is passed through the slide rail.
  • the check block 4 of the cover member 4, and the protective cover 1 covers the outer edge of the injection needle 22, and through the blocking of the check stopper 4, the hand portion 25 can no longer be pushed forward, so that the injection needle 22 cannot be Then, the protective cover 1 is exposed, and when the syringe 2 is pulled back, the force generated by the hand-held portion 25 passing through the check stopper 4 of the slide rail 11 is also released, and the buckle 171 is also disengaged from the ring stop portion 75, so that the indwelling needle is 71 is detached from the protective cover 1, and further, the indwelling needle 7 is injected 2, when it is detached, the elastic plug 73 in the sleeve 71 is used to elastically close the hole through which the injection needle 22 is originally punctured, and the buckle 171 provided inside the opening 17 of the protective sleeve 1 can also be It is placed on the front wall of the protective cover 1 (as shown in Figure 53A).
  • the disposable medical safety consumables provided by the invention are not only easy to operate, but also very safe to use. Moreover, the present invention fundamentally eliminates the secondary use by others. The invention is easy to industrially produce and has broad application prospects.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention concerne un dispositif médical jetable composé d’une gaine de protection (1) et d’une seringue (2). Une coulisse (11) est installée juste à l’extérieur de la gaine de protection (1) et des saillies (12) sont situées près de l’extrémité avant et arrière de la gaine de protection (1) sur un côté ou les deux côtés de la coulisse (11). Au moins une butée (4) est installée près de la saillie (12) de l’extrémité arrière de la coulisse (11). Un emboîtement (21) avec un élément coulissant (3) à l’extérieur est prévu devant la seringue (2) pour enchâsser la seringue. L’élément coulissant (3) est composé d’une base (31), d’une barre (32) et d’un bloc supérieur (33). La gaine de protection (1) est formée juste à l’extérieur de la seringue (2), qui est contrôlée par la barre (32) et est formée sur la coulisse (11). La seringue est soutenue sur la paroi interne de la gaine de protection (1) avec sa base (31) et soutenue sur la paroi externe de la gaine de protection (1) avec le bloc supérieur (33).
PCT/CN2005/000914 2005-06-24 2005-06-24 Dispositif médical jetable WO2006136059A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CNA200580050237XA CN101208122A (zh) 2005-06-24 2005-06-24 一次用安全医疗耗材
PCT/CN2005/000914 WO2006136059A1 (fr) 2005-06-24 2005-06-24 Dispositif médical jetable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2005/000914 WO2006136059A1 (fr) 2005-06-24 2005-06-24 Dispositif médical jetable

Publications (1)

Publication Number Publication Date
WO2006136059A1 true WO2006136059A1 (fr) 2006-12-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2005/000914 WO2006136059A1 (fr) 2005-06-24 2005-06-24 Dispositif médical jetable

Country Status (2)

Country Link
CN (1) CN101208122A (fr)
WO (1) WO2006136059A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009261589A (ja) * 2008-04-24 2009-11-12 Sumitomo Bakelite Co Ltd 内視鏡用注射針
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CN106594680B (zh) * 2016-11-07 2020-02-07 深圳市万家照明有限公司 一种景观灯

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CN107174698A (zh) * 2017-05-03 2017-09-19 贝普医疗科技有限公司 一种医用注射器

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