CN106924841A - Precharging type syringe and sleeve - Google Patents
Precharging type syringe and sleeve Download PDFInfo
- Publication number
- CN106924841A CN106924841A CN201710203895.2A CN201710203895A CN106924841A CN 106924841 A CN106924841 A CN 106924841A CN 201710203895 A CN201710203895 A CN 201710203895A CN 106924841 A CN106924841 A CN 106924841A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- tube sealing
- sealing shell
- sleeve
- type syringe
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 25
- 230000001954 sterilising effect Effects 0.000 claims abstract description 23
- 241000894006 Bacteria Species 0.000 claims abstract description 20
- 239000005030 aluminium foil Substances 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 8
- 239000000806 elastomer Substances 0.000 claims description 7
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- 239000002504 physiological saline solution Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
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- 238000000034 method Methods 0.000 abstract description 5
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- 208000007536 Thrombosis Diseases 0.000 description 1
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- DOAKLVKFURWEDJ-QCMAZARJSA-N daptomycin Chemical compound C([C@H]1C(=O)O[C@H](C)[C@@H](C(NCC(=O)N[C@@H](CCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@H](C)C(=O)N[C@@H](CC(O)=O)C(=O)NCC(=O)N[C@H](CO)C(=O)N[C@H](C(=O)N1)[C@H](C)CC(O)=O)=O)NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](CC(N)=O)NC(=O)[C@H](CC=1C2=CC=CC=C2NC=1)NC(=O)CCCCCCCCC)C(=O)C1=CC=CC=C1N DOAKLVKFURWEDJ-QCMAZARJSA-N 0.000 description 1
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- OJMMVQQUTAEWLP-KIDUDLJLSA-N lincomycin Chemical compound CN1C[C@H](CCC)C[C@H]1C(=O)N[C@H]([C@@H](C)O)[C@@H]1[C@H](O)[C@H](O)[C@@H](O)[C@@H](SC)O1 OJMMVQQUTAEWLP-KIDUDLJLSA-N 0.000 description 1
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- NXFQHRVNIOXGAQ-YCRREMRBSA-N nitrofurantoin Chemical compound O1C([N+](=O)[O-])=CC=C1\C=N\N1C(=O)NC(=O)C1 NXFQHRVNIOXGAQ-YCRREMRBSA-N 0.000 description 1
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- LISFMEBWQUVKPJ-UHFFFAOYSA-N quinolin-2-ol Chemical compound C1=CC=C2NC(=O)C=CC2=C1 LISFMEBWQUVKPJ-UHFFFAOYSA-N 0.000 description 1
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- YVOFSHPIJOYKSH-NLYBMVFSSA-M sodium rifomycin sv Chemical compound [Na+].OC1=C(C(O)=C2C)C3=C([O-])C=C1NC(=O)\C(C)=C/C=C/[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@H](C)[C@@H](OC)\C=C\O[C@@]1(C)OC2=C3C1=O YVOFSHPIJOYKSH-NLYBMVFSSA-M 0.000 description 1
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Classifications
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- 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
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- 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
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1403—Flushing or purging
-
- 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
- A61M2005/3117—Means preventing contamination of the medicament compartment of a syringe
-
- 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
- A61M2005/3125—Details specific display means, e.g. to indicate dose setting
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (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
Present invention is disclosed a kind of precharging type syringe, including sleeve, it is movably disposed at core bar and piston in the sleeve, the outer peripheral face of the cylinder is provided with a tube sealing shell, the tube sealing shell includes a receiving space, resistance cap or sterilization part are provided with it, the outward opening of the receiving space is simultaneously sealed by an aluminium foil overlay film, and the axis of the tube sealing shell is vertical with the axis of the cylinder.The advantage of technical solution of the present invention is mainly reflected in：Meet the operation technique of medical personnel, only can contact the force side of core bar and the convex shoulder of cylinder, so make aluminium foil membrane cover eliminate can stress rupture risk, it is therefore prevented that resistance bacterium or sterilization liquid are contaminated and bring the generation of the malpractice of cross-infection；Medical personnel's operating method, good hand touch；Tube sealing shell and aluminium foil membrane cover are arranged on significant position, play a reminding effect, it is ensured that medical personnel complete the bacterium step that carries out disinfection/hinder after washing pipe is acted.
Description
Technical field
The present invention relates to a kind of precharging type syringe and sleeve, belong to the technical field of medicine equipment.
Background technology
Precharging type syringe is conventional medicine equipment, such as Chinese patent CN201080065717.4,
Disclosed in CN201080028000.2, CN200820027626.1, CN201310630705, it generally comprise sleeve, piston,
Protective cap and core bar, piston connect together in the cylinder of sleeve with core bar, by promoting core bar and then promoting piston pre-
The physiological saline filled in sleeve pipe or other solution release syringe and carry out flushing of pipeline.Precharging type syringe, its advantage is note
Liquid suction need not be carried out when penetrating, can directly be used, reduce the operating procedure of medical personnel, reduce cross-infection machine
Meeting.
Why precharging type syringe sells well had the advantage that in itself mainly due to product.Medical market becomes
Change, biotechnology therapy and be only capable of by the drug candidate increasing number of injection administration, the therapy field that they are related to
Widely, such as multiple sclerosis, infertile, osteoporosis, hepatitis, rheumatoid arthritis, cancer, anaemia and hemophilia.
Some biotech drugs need the frequent drug administration by injection of sufferers themselves, and they are benefited most deep from the facility of precharging type syringe,
Because precharging type syringe eliminates certain operations step, allow using faster, easier.
It is the real motive for promoting precharging type syringe development the need for patient.For at present, the use of venous detaining needle
Also widely, as disclosed in Chinese patent CN201410216802.6, venous detaining needle is also known as venous catheter needle, core
The building block of the heart include can be retained in it is endovascular softness conduit, and stainless steel guiding puncture nook closing member.When using
Conduit and nook closing member are punctured into Ink vessel transfusing together, after conduit fully enters blood vessel, nook closing member is withdrawn out, only soft conduit is stayed
Put in intravascular so as to carry out infusion treatment.Enter after the completion of transfusion, medical personnel need to use syringe to inject physiological saline
In the conduit, in case blood back carries out forming thrombus in the catheter.
In consideration of it, can in advance be closed with physiological saline in precharging type syringe, distinctive pre-filled washing pipe injection is formed
Device.A kind of new pre-filled flushing syringe is disclosed in Chinese patent 200880103854, is provided with the near-end of its core bar
One resistance cap, its effect be pre-filled flushing syringe will physiological saline inject conduit in realize that washing pipe terminates after, can be with
The female Luer of venous detaining needle is sealed up using the resistance cap.But this structure is designed with a very big technical problem,
When the washing pipe of medical personnel's technology venous detaining needle is acted, because the conduit of remaining needle is stay in patient endovascular, so
When washing pipe is carried out, the vascular pressure for feeding back that its core bar can be received is very big, therefore medical personnel rush again
Its technical movements is that a pine is pushed away to core bar one when pipe, further pushes away a pine, rather than the process that continuously exerts a force.Exist
During this, the hand of medical personnel makes the resistance cap for being pointed to core bar near-end constantly be exerted a force to put the action of power, and hinders bacterium
The outermost of cap is aluminium foil overlay film, and easily stress produces rupture or separated with the surface of resistance cap, thus brings one
The risk that liquid in resistance cap is contaminated and fails；Further, since the hand of medical personnel directly with the resistance bacterium with aluminium foil overlay film
Cap end contact, rather than the smooth force end surfaces of conventional core bar near-end, therefore the feel of medical personnel also can be poor.
The content of the invention
The purpose of the present invention is exactly to solve the above-mentioned problems in the prior art, there is provided a kind of simple structure, system
Make convenient precharging type syringe.
The purpose of the present invention is achieved through the following technical solutions：
A kind of precharging type syringe, including sleeve, are movably disposed at core bar and piston in the sleeve, the core bar
Near-end is force side, and the piston is arranged on the distal end of the core bar and by the closure of openings of the sleeve, the sleeve it is another
One end is provided with the protective cap for closing the sleeve outlet, and be enclosed in liquid in the sleeve with the protective cap by the piston
Portion, the sleeve includes the cylinder of cylinder, and the inside of the cylinder is the host cavity of the liquid, one end of the host cavity
It is the opening, the other end and the sleeve outlet insertion, the outer peripheral face of the cylinder is provided with a tube sealing shell, the envelope
Pipe shell includes a receiving space, resistance cap is provided with it in or sterilize part, the outward opening of the receiving space and by an aluminium foil
Overlay film is sealed, and the axis of the tube sealing shell is vertical with the axis of the cylinder.
Preferably, the proximal end face of the cylinder is the convex shoulder of force, and the tube sealing shell is by the convex shoulder.
Preferably, the resistance cap includes that tube sealing covers and elastomer, and the elastomer is adsorbed with resistance bacterium or sterilization liquid；
The sterilization part is sterilized cotton ball or sterilization non-woven fabrics.
Preferably, the tube sealing shell and the cylinder are integrated or both and to be connected by demountable structure.
Preferably, when the tube sealing shell is connected with the cylinder by demountable structure, the detaching structure is card
Hook, the snap fit is two elastic clips of the bifurcated extended from the tube sealing shell end face, the fixing end of the elastic clip and institute
State tube sealing shell end face to be connected, the inner concave of the elastic clip matches with the outline of the cylinder, the elastic clip
Free end one tightening force is produced all the time to the cylinder.
Preferably, the outer peripheral face of the cylinder of the sleeve is provided with one for limiting the convex of the tube sealing shell axial movement
Bar.
Preferably, when the tube sealing shell is connected with the cylinder by demountable structure, the detaching structure is spiral shell
Line attachment structure, the screw connection structure includes the external screw thread extended from the tube sealing shell end face, and is arranged on described
Matched internal thread on the outer peripheral face of the cylinder of sleeve.
Preferably, when the tube sealing shell is connected with the cylinder by demountable structure, the detaching structure is card
Locking connection structure, the buckle connecting structure includes the torus extended from the tube sealing shell end face, is arranged on the annulus
L-type groove on body, and it is arranged on the salient point that slip is matched with the L-type groove on the outer peripheral face of the cylinder of the sleeve.
Preferably, the precharging type syringe is pre-filled flushing syringe, and the liquid is physiological saline.
Present invention further teaches a kind of sleeve, including cylindrical cylinder, the inside of the cylinder is the receipts of medical use liquid
Cavity volume, one end of the host cavity is liquid injection opening, the other end and the sleeve outlet insertion, the periphery of the cylinder
Face is provided with a tube sealing shell, and the tube sealing shell includes a receiving space, and resistance cap or sterilization part, the receipts are provided with it
Hold the outward opening in space and sealed by an aluminium foil overlay film, the axis of the tube sealing shell hangs down with the axis of the cylinder
Directly.
The advantage of technical solution of the present invention is mainly reflected in：1st, meet the operation technique of medical personnel, only can contact core bar
Force side and cylinder convex shoulder, so make aluminium foil membrane cover eliminate can stress rupture risk, it is therefore prevented that resistance bacterium sterilized is used
Liquid is contaminated and brings the generation of the malpractice of cross-infection；2nd, medical personnel's operating method, good hand touch；3rd, tube sealing shell
Significant position is arranged on aluminium foil membrane cover, a reminding effect is played, it is ensured that medical personnel are carried out after washing pipe action is completed
Sterilization/resistance bacterium step；4th, the axis of tube sealing shell is vertical with the axis of the cylinder so that in medical personnel operate, have time
Between also have and force target of being sterilized to it is entered accommodating operation.
Brief description of the drawings
Fig. 1 is the schematic perspective view of precharging type syringe first embodiment of the invention；
Fig. 2 is the explosive view of precharging type syringe first embodiment of the invention；
Fig. 3 is the sectional view of precharging type syringe first embodiment of the invention；
Fig. 4 is the schematic perspective view of precharging type syringe second embodiment of the invention；
Fig. 5 is the explosive view of precharging type syringe second embodiment of the invention；
Fig. 6 is the schematic perspective view of precharging type syringe 3rd embodiment of the invention；
Fig. 7 is the explosive view of precharging type syringe 3rd embodiment of the invention；
Fig. 8 is the explosive view of precharging type syringe fourth embodiment of the invention；
Fig. 9 is the explosive view of the embodiment of precharging type syringe of the invention 5th.
Specific embodiment
The purpose of the present invention, advantage and feature, will be for illustration and explanation by the non-limitative illustration of preferred embodiment below.
These embodiments are only the prominent examples for applying technical solution of the present invention, all to take equivalent or equivalent transformation and formed
Technical scheme, all falls within the scope of protection of present invention.
Present invention is disclosed a kind of precharging type syringe, first embodiment as shown in Figure 1 to Figure 3, including sleeve 3 can
It is movably arranged at core bar 1 and piston 2 in the sleeve 3, the piston 2 is by any including polymeric material or silicone material
Suitable material is formed.The near-end of the core bar 1 is force side 11, and the piston 2 is arranged on the distal end of the core bar 1 and by institute
The opening 31 for stating sleeve 3 is closed, and the other end of the sleeve 3 is provided with the protective cap 4 of the closing outlet of sleeve 3.Such as Fig. 3 institutes
Show, be enclosed in liquid 8 inside the sleeve 3 with the protective cap 4 by the piston 2.The sleeve 3 includes the cylinder of cylinder
32, the inside of the cylinder 32 is the host cavity of the liquid 8, one end of the host cavity for the opening 31, other end with
The sleeve 3 exports insertion.
The method have the characteristics that：The outer peripheral face of the cylinder 31 is provided with a tube sealing shell 33, the tube sealing shell
33 outer contour shape can be such as the circle, or other shapes in the present embodiment, and it specifically includes a receiving space 34,
That is the outline of the tube sealing shell 33 encloses and sets a circumferentially closed space, and one end of the receiving space 34 is an opening, the other end
Closed by the outer surface of the cylinder 32 of the sleeve 3.So described receiving space 34 only has an opening, from the opening
It is interior to place resistance cap or sterilization part is entered in receiving space 34, the outward opening of the receiving space 34 and by an aluminium foil
Overlay film 7 is sealed, and aluminium foil overlay film 7 can be closely attached on the end face of the tube sealing shell 33 using prior art.The tube sealing
The axis of shell 33 is vertical with the axis of the cylinder 32, is suitable to production and transportation.The proximal end face of the cylinder 32 is used for force
Convex shoulder 35, the tube sealing shell 33 is by the convex shoulder 35.
In the present embodiment, the resistance cap includes that tube sealing covers 5 and elastomer 6, and the elastomer 6 is adsorbed with resistance bacterium or kills
Bacterium liquid, and be fixed in the tube sealing set 5.After tearing aluminium foil overlay film 7, tube sealing set 5 can be from the tube sealing shell
Removed in 33 receiving space 34, and the opening side of tube sealing set 5 can be connected with the female Luer of venous detaining needle, pass through
Elastomer 6 plays resistance bacterium effect to the female Luer of venous detaining needle.The specific effect of the resistance cap and occupation mode with it is existing
Technology is identical, will not be repeated here.
In the present embodiment, the tube sealing shell 33 and the cylinder 31 are integrated design, the tube sealing shell
33 axis is vertical with the axis of the cylinder 32.Tube sealing shell and aluminium foil membrane cover are arranged on significant position, play one and carry
Wake up and act on, it is ensured that medical personnel complete the bacterium step that carries out disinfection/hinder after washing pipe is acted, and prevent from omitting.
Fig. 4 and Fig. 5 disclose the second embodiment of the present invention, from the tube sealing shell 33 unlike first embodiment with
The cylinder 31 is connected by demountable structure.The detaching structure is snap fit 91, and the snap fit 91 is from the tube sealing shell
33 relative to the opposite side of opening end face extend bifurcated two elastic clips.The fixing end of the elastic clip and the tube sealing
The end face of shell 33 is connected, and the inner concave of the elastic clip matches with the outline of the cylinder 31.In the present embodiment, institute
The one end for stating receiving space 34 is an opening, and the other end is by the end being connected with the fixing end of elastic clip of the tube sealing shell 33
Closed in face.
After tube sealing shell 33 is assembled to the cylinder 31, the free end of the elastic clip produces all the time to the cylinder 31
One tightening force, similar to clip.One is additionally provided with the outer peripheral face of the cylinder 32 of the sleeve 3 for limiting the tube sealing shell 33
The raised line 92 of axial movement.So set and be advantageous in that if medical personnel do not approve or not for new injector operations
When an opportunity arises, the tube sealing shell 33 can be disassembled, different medical care actions is carried out respectively.
Fig. 6 and Fig. 7 disclose the third embodiment of the present invention, from the tube sealing shell 33 unlike second embodiment with
Demountable structure between the cylinder 31 is screw connection structure, and the screw connection structure is included from the tube sealing shell 33
The external screw thread 93 that end face extends, and it is arranged on the matched internal thread 94 on the outer peripheral face of the cylinder 32 of the sleeve 3.
It is attached or dismantles by helicitic texture between the tube sealing shell 33 and the cylinder 31.
Fig. 8 discloses the fourth embodiment of the present invention, from the tube sealing shell 33 unlike second embodiment with it is described
Demountable structure between cylinder 31 is buckle connecting structure, and the buckle connecting structure is included from the end face of tube sealing shell 33
The torus 95 of extension, the L-type groove 96 being arranged on the torus 95, and be arranged on the sleeve 3 cylinder 32 it is outer
The salient point 97 for sliding is matched with the L-type groove 96 on side face.After salient point 97 enters into L-type groove 96, the envelope is rotated
Pipe shell 33 makes the salient point 97 be slided in the L-type groove 96, and so described tube sealing shell 33 is fixed on the sleeve 3
Cylinder 32 on.
Fig. 9 discloses the fifth embodiment of the present invention, is to be set in the tube sealing shell 33 with the difference of fourth embodiment
There is sterilization part 60, the sterilization part 60 is sterilized cotton ball or sterilization non-woven fabrics.Certainly, the resistance bacterium in foregoing embodiment 1 to four
Cap can also be replaced using the sterilization part 60 disclosed in the 5th embodiment, form new embodiment.
In the present invention, the effect of described sterilization part 60 and the elastomer 6 of resistance cap is essentially identical, has all been one and has disappeared
The effect of poison/resistance bacterium, is adsorbed with resistance bacterium or sterilization liquid, introduction specific as follows.
Resistance bacterium or sterilization liquid can be that aminoglycoside antibiotics, β-interior are for example classified as comprising antimicrobial
Acid amides, quinolone or fluoquinolone, macrolide, sulfonamide, tetracycline, chain sun mycin, (oxazolidinon-5-yl-methyl)-2-thiophene-carboxamides (such as Linezolid),
Those antimicrobials of lindamycin, cillimycin, rifamycin, glycopeptide, polymyxins, polypeptide antibiotics and
Pharmaceutically acceptable sodium salt, medicinal calcium salt, medicinal sylvite, liquid formulation, the derivative and/or analog of above material.Signal of the invention
Property aminoglycoside antibiotics include Amikacin, kanamycins, gentamicin, TOB or Netilmicin.Suitably
Lactams is selected from the antibioticses for suppressing bacteria cell wall synthesis.The beta-lactam of most of Clinical practices belongs to penicillin race
(penam) or cynnematin (cephem) race.Beta-lactam also includes carbapenem (such as imipenem) and single acyl
Amine rhzomorph (such as aztreonam), the also suppression of the lactams comprising such as clavulanic acid and its derivative in the category
Preparation.
In addition to these, can be mould using such as pyostacin, chlorine in the resistance bacterium described in preparation or sterilization liquid
Element, TMP, Fusidic Acid, metronidazole, bacitracin, spectinomycin, furantoin, Daptomycin or peptide in other, Ao Li in heptan
The antibiotic formulations of Wan Xing, dalbavancin compositions, Ramoplanin, ketone lactone etc..Present invention resistance bacterium or sterilization liquid can be as a example by
Such as the phenates antiseptic of clofoctol, chloroxylenol or triclosan；Also Gastric inhibitory polypeptide, such as alexin can be used
(dermacidine) etc.；Also atomic group, such as release of reactive oxygen species, NO system or nitric oxide (NO) and peroxidating can be used
Nitrite.
Precharging type syringe disclosed in the above embodiments of the present invention is pre-filled flushing syringe, the liquid 8
It is physiological saline.The present invention meets the operation technique of medical personnel, only can contact the force side of core bar and the convex shoulder of cylinder, so
Make aluminium foil membrane cover eliminate can stress rupture risk, it is therefore prevented that resistance bacterium or sterilization liquid are contaminated and bring cross-infection
The generation of malpractice；Medical personnel's operating method, good hand touch.
Refer to for far and near definition in the present invention, apart from operator it is nearer be near-end, otherwise be distal end.The present invention is still
The all technical schemes for having numerous embodiments, all use equivalents or equivalent transformation and being formed, all fall within of the invention
Within protection domain.
Claims (10)
1. a kind of precharging type syringe, including sleeve（3）, it is movably disposed at the sleeve（3）Interior core bar（1）And piston
（2）, the core bar（1）Near-end be force side（11）, the piston（2）It is arranged on the core bar（1）Distal end and will be described
Sleeve（3）Opening（31）Closing, the sleeve（3）The other end be provided with the closing sleeve（3）The protective cap of outlet
（4）, the piston（2）With the protective cap（4）By liquid（8）It is enclosed in the sleeve（3）It is internal, it is characterised in that：It is described
Sleeve（3）Cylinder including cylinder（32）, the cylinder（32）Inside be the liquid（8）Host cavity, the collecting
The one end in chamber is the opening（31）, the other end and the sleeve（3）Outlet insertion, the cylinder（32）Outer peripheral face be provided with
One tube sealing shell（33）, the tube sealing shell（33）Including a receiving space（34）, resistance cap or sterilization part are provided with it
（60）, the receiving space（34）Outward opening and by an aluminium foil overlay film（7）Sealed, the tube sealing shell（33）Axle
Line and the cylinder（32）Axis it is vertical.
2. precharging type syringe according to claim 1, it is characterised in that：The cylinder（32）Proximal end face for force use
Convex shoulder（35）, the tube sealing shell（33）By located at the convex shoulder（35）Place.
3. precharging type syringe according to claim 1, it is characterised in that：The resistance cap includes tube sealing set（5）And bullet
Gonosome（6）, the elastomer（6）It is adsorbed with resistance bacterium or sterilization liquid；The sterilization part（60）It is sterilized cotton ball or sterilization nothing
Spin cloth.
4. according to any described precharging type syringe of claims 1 to 3, it is characterised in that：The tube sealing shell（33）With institute
State cylinder（32）To be integrated or both and connected by demountable structure.
5. precharging type syringe according to claim 4, it is characterised in that：When the tube sealing shell（33）With the cylinder
（32）When being connected by demountable structure, the detaching structure is snap fit（91）, the snap fit（91）It is from the tube sealing shell
（33）Two elastic clips of the bifurcated that end face extends, the fixing end of the elastic clip and the tube sealing shell（33）End face is linked to be one
Body, the inner concave of the elastic clip and the cylinder（32）Outline match, the free end of the elastic clip is to the cylinder
Body（32）All the time a tightening force is produced.
6. precharging type syringe according to claim 5, it is characterised in that：The sleeve（3）Cylinder（32）Periphery
Face is provided with one for limiting the tube sealing shell（33）The raised line of axial movement（92）.
7. precharging type syringe according to claim 4, it is characterised in that：When the tube sealing shell（33）With the cylinder
（32）When being connected by demountable structure, the detaching structure is screw connection structure, and the screw connection structure is included from institute
State tube sealing shell（33）The external screw thread that end face extends（93）, and it is arranged on the sleeve（3）Cylinder（32）Outer peripheral face on
Matched internal thread（94）.
8. precharging type syringe according to claim 4, it is characterised in that：When the tube sealing shell（33）With the cylinder
（32）When being connected by demountable structure, the detaching structure is buckle connecting structure, and the buckle connecting structure is included from institute
State tube sealing shell（33）The torus that end face extends（95）, be arranged on the torus（95）On L-type groove（96）, and set
In the sleeve（3）Cylinder（32）Outer peripheral face on the L-type groove（96）Match the salient point for sliding（97）.
9. precharging type syringe according to claim 1, it is characterised in that：The precharging type syringe is pre-filled washing pipe
Syringe, the liquid（8）It is physiological saline.
10. a kind of sleeve, it is characterised in that：Cylinder including cylinder（32）, the cylinder（32）Inside be medical use liquid
（8）Host cavity, one end of the host cavity is liquid injection opening（31）, the other end and the sleeve（3）Outlet insertion,
The cylinder（32）Outer peripheral face be provided with a tube sealing shell（33）, the tube sealing shell（33）Including a receiving space
（34）, resistance cap or sterilization part, the receiving space are provided with it（34）Outward opening and by an aluminium foil overlay film（7）Carry out close
Envelope, the tube sealing shell（33）Axis and the cylinder（32）Axis it is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203895.2A CN106924841A (en) | 2017-03-30 | 2017-03-30 | Precharging type syringe and sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203895.2A CN106924841A (en) | 2017-03-30 | 2017-03-30 | Precharging type syringe and sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106924841A true CN106924841A (en) | 2017-07-07 |
Family
ID=59425337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710203895.2A Pending CN106924841A (en) | 2017-03-30 | 2017-03-30 | Precharging type syringe and sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106924841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939192A (en) * | 2018-05-28 | 2018-12-07 | 赵桂芹 | A kind of pre-filled washing pipe pipe sealing device |
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| CN202027919U (en) * | 2010-12-17 | 2011-11-09 | 崇州君健塑胶有限公司 | Double-standpipe sealing cap |
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| CN203915657U (en) * | 2014-06-18 | 2014-11-05 | 孙军 | Pipe-blocking-proof resistance bacterium needleless connects infusion set |
| CN106413793A (en) * | 2014-04-23 | 2017-02-15 | 贝克顿·迪金森公司 | Antimicrobial obturator for use with vascular access devices |
| CN207575509U (en) * | 2017-03-30 | 2018-07-06 | 苏州林华医疗器械股份有限公司 | Precharging injection syringe and sleeve |
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2017
- 2017-03-30 CN CN201710203895.2A patent/CN106924841A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202027919U (en) * | 2010-12-17 | 2011-11-09 | 崇州君健塑胶有限公司 | Double-standpipe sealing cap |
| CN106413793A (en) * | 2014-04-23 | 2017-02-15 | 贝克顿·迪金森公司 | Antimicrobial obturator for use with vascular access devices |
| CN203915657U (en) * | 2014-06-18 | 2014-11-05 | 孙军 | Pipe-blocking-proof resistance bacterium needleless connects infusion set |
| CN104043164A (en) * | 2014-07-04 | 2014-09-17 | 山东威高集团医用高分子制品股份有限公司 | Syringe |
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| CN207575509U (en) * | 2017-03-30 | 2018-07-06 | 苏州林华医疗器械股份有限公司 | Precharging injection syringe and sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939192A (en) * | 2018-05-28 | 2018-12-07 | 赵桂芹 | A kind of pre-filled washing pipe pipe sealing device |
| CN108939192B (en) * | 2018-05-28 | 2024-06-04 | 赵桂芹 | Pre-filled type flushing pipe sealing device |
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