CN1429631A - Medical needle assembly - Google Patents
Medical needle assembly Download PDFInfo
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- CN1429631A CN1429631A CN 02158982 CN02158982A CN1429631A CN 1429631 A CN1429631 A CN 1429631A CN 02158982 CN02158982 CN 02158982 CN 02158982 A CN02158982 A CN 02158982A CN 1429631 A CN1429631 A CN 1429631A
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- pedestal
- unit dose
- needle assembly
- pin
- sleeve
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Abstract
A shieldable disposable needle assembly used for inoculating a unit dosage of vaccine includes a unit dose needle which is fitted to a base to which a sleeve is slidably mounted. The sleeve comprises a guide slot extended piercing a cylindrical sleeve wall. The base comprises a tab provided at the outer surface, and extends over the guide slot. The unit dosage needle comprises a base end fitted to the base, and a projecting end on the opposite side to hold the unit dosage of vaccine. The needle assembly is constituted to allow the advancing and retreating motion of the needle between the advance position of the needle extending from the end of the sleeve, and the retreat position of the needle entering a sleeve aperture, by the motion of the tab passing through the guide slot.
Description
Related application for reference
The application requires the U.S. Provisional Patent Application No.60/344 that is entitled as " the bifurcated needle assembly with needle protection device " of calendar year 2001 December submission on the 28th, 126 priority.
Technical field
The pin that the present invention relates to use in the medical procedure more particularly, relates to the security protection pin and the needle assembly that use in the medical procedure.
Background technology
As everyone knows, bifurcated or fork pin can provide a kind of simple and effective means for doctor's vaccination.During use, divide the bifurcated tip contact of forked needle attached to drying on the bifurcated needle point or liquid.The bifurcated needle point contacts vaccinated patient's skin then.Scratch or prick skin with pin, enter patient's skin so that vaccine substance absorbs.Another kind is carried the method for vaccine to comprise a vaccine is placed on patient's the skin, and makes patient's contact skin bifurcated needle point by this vaccine.Perhaps, although be not ideal, when this vaccine directly puts on patient's skin, also can use the sharpened tip of a standard.
Because dividing forked needle can be more people's vaccination with less serosity, so it is considered to a great medical advance.Because its design effective and easy to use, and be easy to reuse, therefore particularly important for the people that live in the low developed area.
Yet,, can reduce the effectiveness of inoculation if divide the repeated use number of times of forked needle too much.In addition, reusing this kind vaccine pin can make patient suffer by the risk of skin propagation via the infectious disease of contact skin.In addition, because the design of traditional vaccine pin makes medical personnel be difficult to control, and, therefore increased the risk that the medical personnel that use this kind pin suffer infectious disease because this kind pin is used repeatedly.
More particularly, being used for vaccinated minute forked needle is not sterilized traditionally or is packaged in and can be convenient to the disposable container that stores and use subsequently.In addition, be difficult to control this kind pin traditionally, they do not comprise that usually one is connected the cover joint on the opposite end of needle point, and do not comprise usually any kind before using and be used to protect the protective cover of pin between the operating period.
For example, authorize the U.S. Patent No. 3,194 of Rubin, 237 have disclosed a kind of Inoculating needle with a main handle part, this main handle part at one end has a pair of tip, so that form a slit with predetermined length, width and degree of depth betwixt, to keep appropriate amount of fluid by capillarity.The shank of pin has enough length, so that there is not the effect that the tip end plays handle.The U.S. Patent No. 3,948,261 of authorizing Steiner has disclosed a kind of reusable unit-dose container, and in order to vaccine being contained in the rigid container, this container has the compressible obturator of the branch forked needle that is used to support the dried vaccine of a carrying.This obturator is suitable for the pin in the supporting container during lyophilization, simultaneously dry liquid vaccine on pin.Obturator has many makes the groove that withdraws from container from the gasifying liquid of vaccine during lyophilization, and further sealed container.
Medical circle has been developed the pin after many devices are used to protect use.These devices are a bit complicated and expensive mostly.In addition, these devices use trouble mostly in the process of implementation.In addition, some device is comparatively special, so that it can't use in some process, or can't use with some device and/or assembly.
For example, the U.S. Patent No. 6,093,170 of authorizing people such as Hsu has disclosed a kind of safety injector, and this syringe comprises: a cylindrical shell, this cylindrical shell have two trapezoid tabs; One sleeve, this sleeve have a guiding groove and some qualification grooves that extends from the peripheral surface at guiding groove two ends; And one insert section, and this insertions section is formed on the inside end of qualification groove.Contact pin is used to cooperate, and insertion end can be located cylindrical shell and sleeve.The U.S. Patent No. 5,591,138 of authorizing Vaillancourt has disclosed a kind of many members needle assembly, and this needle assembly comprises that one is arranged on the V-shaped groove of guiding groove back, so that retractable guard is locked in the retracted position.One cam face is arranged on the front of guiding groove, so that the protrusion directs on the sheath is in place, sheath is locked in the extended position.
By previous described it seems, need a kind of security component that uses with the unit dose Inoculating needle, that this assembly is easy to make, use is simple, be easy to sterilize and keep aseptic condition until use, can safe disposal and can not hinder the normal use of branch forked needle.
Summary of the invention
The present invention relates to a kind of disposable needle assembly that protects, this needle assembly is used to inoculate the vaccine of unit dose.Assembly comprises that one is connected to the unit dose metering pin of a pedestal, and a sleeve connects thereon slidably.This sleeve comprises that one forms the tubular wall of an inner sleeve opening, and this inner sleeve opening extends between a telescopic near-end and a relative far-end.Sleeve also comprises a guiding groove, and this guiding groove extends through tubular wall, and enters the inner sleeve opening.Guiding groove comprises: a longitudinal extent, and this longitudinal extent is along the sleeve longitudinal extension; One near-end limited field, this near-end limited field are arranged near one first end of the guiding groove the near-end of tubular wall; And a far-end limited field, this far-end limited field is arranged near one second end of the guiding groove the far-end of tubular wall.Near-end and far-end limited field extend along the peripheral surface of tubular wall.Pedestal comprises that one is provided with contact pin on its outer surface.Pedestal is contained in the inner sleeve opening, and contact pin extends through and cross guiding groove.The unit dose metering pin comprises that a pedestal end and that is connected to pedestal is configured to keep the relative tip end of the vaccine of unit dose.Needle assembly is constructed such that contact pin provides a guiding function by the motion of guiding groove between near-end limited field and far-end limited field, and this guiding function can make pin extend and retraction movement pin is contained in a retracted position the inner sleeve opening from an extended position of telescopic remote extension and pin between.Near-end and far-end limited field with the fixed-site of pin between extended position and retracted position.
In another embodiment, the present invention relates to a kind of disposable needle assembly that protects, this needle assembly is used to inoculate the vaccine of unit dose, and it comprises: a pedestal; One unit dose metering pin, this unit dose needle have a pedestal end and that is connected to pedestal to be configured to keep the relative tip end of the vaccine of unit dose; One sleeve, this sleeve comprise that one forms the tubular wall of an inner sleeve opening, and this inner sleeve opening extends between a near-end and a relative far-end; An and guiding piece that between sleeve and pedestal, cooperatively interacts.Sleeve is cooperated vertically jointly with pedestal between a tip exposure position and a tip detent position, and guiding piece with respect to the limited earth's axis of pedestal to moving sleeve.Guiding piece can be a contact pin, and this contact pin extends into a groove the sleeve from pedestal, and groove extends through sleeve, and contact pin is as moving into telescopic device with pedestal and unit dose metering pin are manual.Equally, pedestal can comprise that one extends across the handle extension of sleeve proximal end.
In another embodiment, the present invention includes a kind of disposable needle assembly that protects, this needle assembly is used to inoculate the vaccine of unit dose, and it comprises that a pedestal, a unit dose metering pin, a tip guard part and a bolt are part.The unit dose metering pin comprises that one, one pedestal end and that is connected to pedestal is configured to keep the relative tip end of the vaccine of unit dose.The tip guard part can slide into a second position of the tip end of sealing unit dose metering pin along the unit dose metering pin from the primary importance near pedestal.Bolt be part have one and the pedestal pedestal end, that constitutes one constitute the protection end of one and pedestal end and the protection hinge between holding with the tip guard part.Bolt be part also comprise one by protection end and can limit with respect to the hinge that protector pivots flexibly boundary one to front part, one by the pedestal end and can with respect to pedestal flexibly the hinge of pivot limit a member backward of boundary.Bolt is that part has forward and the angle between the member backward, and wherein travelling forward of hinge enlarges angle, and directly provides travelling forward of protector with respect to pedestal.
Description of drawings
Fig. 1 is the exploded perspective view of the disposable needle assembly that protects of the present invention;
Fig. 2 is the axonometric chart of protected from needle assembly shown in Figure 1, and this pin is in a retracted position;
Fig. 3 is the axonometric chart of protected from needle assembly shown in Figure 1, and this pin is in extended position;
Fig. 4 is the sectional view of protected from needle assembly shown in Figure 2, and this pin is in a retracted position;
Fig. 5 is the sectional view of protected from needle assembly shown in Figure 3, and this pin is in extended position;
Fig. 6 is the unit dose metering pin in the another embodiment of the present invention and the view sub-anatomy of pedestal;
Fig. 7 is the pin in the another embodiment of the present invention and the axonometric chart of pedestal;
Fig. 8 is pin among the another embodiment and the sectional view that has the pedestal of handle extension;
Fig. 9 is the axonometric chart of protected from the needle assembly in the another embodiment of the present invention, and this needle assembly comprises all ribs on the protective cover;
Figure 10 is the sectional view of protected from the needle assembly in the another embodiment of the present invention, and this pin is in extended position;
Figure 11 is the sectional view of protected from the needle assembly of Figure 10, and this pin is in a retracted position;
Figure 12 is the sectional view of protected from the needle assembly in the another embodiment of the present invention, and this needle assembly comprises that one discharges kayser;
Figure 13 is the axonometric chart of protected from the needle assembly of another embodiment of the present invention, and this needle assembly comprises a telescopic pin folder; And
Figure 14 is the cutaway view of the assembly of Figure 13.
The specific embodiment
See also accompanying drawing, wherein identical label is represented identical part in its whole accompanying drawings, and Fig. 1-5 has described disposable unit dose needle assembly 10 and the correlated characteristic of protecting of the present invention.Unit dose needle assembly 10 can be for imposing on or the usefulness of the vaccination of skin by patient, and can be used as disposable Inoculating needle assembly, this needle assembly comprises the feature that during packaging makes pin keep aseptic and be convenient to medical personnel's use, will be described in detail as this paper.
Needle assembly 10 always comprises the exterior protection cover of hollow sleeve 80 forms in a tubular form, and a pedestal 40 extends in sleeve 80, and a unit dose metering pin 12 extends from pedestal 40.To more be described in detail as this paper, sleeve 80 and pedestal 40 can relative to each other move axially or displacement, make by this unit dose metering pin 12 in being contained in sleeve 80 fully a retracted position and the extended position that extends from sleeve 80 between move.
More particularly, shown in Fig. 1 and 3-5, needle assembly 10 comprises that one is used to inoculate the unit dose metering pin of the vaccine of unit dose, and for example the unit dose metering pin 12.Though comprising as the preferred embodiment of the unit dose metering pin 12 of unit dose metering pin according to one, this paper narrates needle assembly 10, but needle assembly 10 can comprise any unit dose metering pin that can inoculate the vaccine (for example with dry powder or liquid form) of unit dose, as well known in the art.
Unit dose metering pin 12 comprises the relative far-end 16 with of a near-end 14.Unit dose metering pin 12 is provided with two sharp-pointed tips 18, and they are positioned at the relative far-end 16 of pin.Be configured to keep the U-shaped or the V-shaped groove 20 of the vaccine of unit dose that tip 18 is separated by one.Tip 18 punctures or frays patient's skin, places the vaccine of U-lag 20 with inoculation.Unit dose metering pin 12 can be made of any material known in the art, for example metal or plastics, and preferably constitute with steel by other surgical technique and tools of medical grade.
Vaccine can have any suitable physical form.The suitable physical form that is used for vaccine includes but not limited to liquid state, for example solution, emulsion and dispersate, or dry powder.It is liquid that vaccine is generally.In addition, vaccine is best and needle assembly 10 associatings between the storage life, therefore can be contained in the U-lag 20 between the storage life.Perhaps, vaccine can be provided as separate constituent, unit dose metering pin 12 is before with the pin vaccination, contact vaccine after needle assembly 10 is unloaded in its related packaging.
Needle assembly 10 also comprises a pedestal 40, and this pedestal can constitute with unit dose metering pin 12 one, perhaps connects thereon separately.Pedestal 40 comprises a roughly cylindrical circular housing 42, and this housing extends to a far-end 46 from a near-end 44.Pedestal 40 also comprises a guiding piece, for example is arranged on the contact pin 50 on the outer surface of housing 42 of pedestal 40.Contact pin 50 can constitute with housing 42 one, perhaps can connect separately, for example by a screwed screw device.
Needle assembly 10 also comprises sleeve 80, and this sleeve extends around pedestal 40 with concentric manner, seals by this and holds pedestal 40.More particularly, sleeve 80 comprises in a tubular form a wall roughly, and this wall extends between a near-end 84 and a relative far-end 86, and forms an inner sleeve opening 88 that runs through wherein.Sleeve 80 also comprises a guiding groove 90, and this guiding groove extends through the wall of housing 82, enters inner sleeve opening 88.Guiding groove 90 comprises: a longitudinal extent 92, and this longitudinal extent is along housing 82 longitudinal extensions of sleeve 80; One near-end limited field 94, this near-end limited field are arranged near one first end of the guiding groove 90 the near-end 84 of sleeve 80; And a far-end limited field 96, this far-end limited field is arranged near one second end of the guiding groove 90 the far-end 86 of sleeve 80.As shown in Figure 1, near-end and far-end limited field 94,96 circumferentially extend along the part peripheral surface of housing 82.
Sleeve 80 at unit dose metering pin 12 before moving between retracted position and the extended position, and unit dose metering pin 12 after use, move to retracted position after the protection personnel exempt from acupuncture.
As described, when the unit dose metering pin is in a retracted position or during extended position, pedestal 40 is contained in the inner sleeve opening 88 of sleeve 80.For example, shown in Fig. 2 and 4, pedestal 40 and preferably be slightly less than the total length of sleeve 80 from the total length of the unit dose metering pin 12 that wherein extends so that in unit dose metering pin 12 is withdrawn into sleeve 80 time, is kept in the inner sleeve opening 88 of sleeve 80 pedestal 40 and unit dose metering pin 12 fully.Equally, when unit dose metering pin 12 was in extended position, pedestal 40 was contained in the sleeve 80 fully, the part that pedestal 40 does not expose from the near-end 84 of sleeve 80.Because pedestal 40 extension sleeve 80 in fully, the part that pedestal 40 does not grasp to the user is so that move axially pedestal 40, so that unit dose metering pin 12 is exposed to extended position or make unit dose metering pin 12 be withdrawn into retracted position in sleeve 80.Yet shown in Fig. 2-5, the contact pin 50 of pedestal 40 extends through and crosses the guiding groove 90 of sleeve 80.Thereby, can move contact pin 50 by guiding groove 90, realizing the motion of pedestal 40, and therefore realize the corresponding sports of unit dose metering pin 12.
More particularly, the user can be grasped in needle assembly 10 between that finger at place, relative both sides of housing 82 of thumb and sleeve 80.Because contact pin 50 extends through and cross guiding groove 90, user's forefinger can be used for handling contact pin 50.Contact pin 50 can move past the guiding groove 90 between near-end limited field 94 and the far-end limited field 96, this will provide guiding function, and this guiding function can make pin extend and retraction movement between extended position that unit dose metering pin 12 shown in Figure 3 extends from the far-end 86 of sleeve 80 and unit dose metering pin 12 shown in Figure 2 are contained in retracted position the inner sleeve opening 88.Thereby unit dose needle assembly 12 can move between extended position and retracted position, and can use one-handed performance needle assembly 10.
Near-end limited field 94 and far-end limited field 96 with the fixed-site of unit dose needle assembly 12 between extended position and retracted position.One locking mechanism preferably is provided, the antelabium 95 that in near-end limited field 94 and far-end limited field 96, extends for example along the part of the tubular wall of housing 82, by this with the fixed-site of contact pin in guiding groove 90, and the sense of touch that contact pin 50 has moved to the guiding groove 90 between near-end limited field 94 and the far-end limited field 96 offered the user.
Further contemplate, the setting of can reverse contact pin and slit, so that sleeve 80 comprises a contact pin, and pedestal 40 comprises a guiding groove that is used to be mated.Thereby the contact pin of sleeve 80 can similar mode discussed above be slided in the guiding groove of pedestal 40.
In use, needle assembly 10 can be packaged in the aseptic packaging, and from packing, take out for use.Can use a thin film based blister package, perhaps adopt the rigidity rigid package type packing that comprises the thermoplasticity protective cover.Needle assembly 1 shown in Figure 2 can be provided, and this needle assembly comprises the unit dose metering pin 120 that is retracted in the sleeve 80.For preparing to use, by catching sleeve 80, and handle contact pin 50 by guiding groove 90 in its relative both sides, promptly longitudinally scope 92 from near-end limited field 94 to far-end limited field 96, so that unit dose needle assembly 12 is placed in the extended position, so that from sleeve 80 extender unit dosage needles 12.Perhaps, can provide needle assembly 10 as shown in Figure 3, the unit dose metering pin extends from sleeve 80, and can comprise that one covers the independent encasement (not shown) of unit dose metering pin 12.
By from sleeve 80 extender unit dosage needles 12, needle assembly 10 can be used for inoculating a suitable vaccine.For example, can give patient via cutaneous inoculation by the vaccine that unit dose metering pin 12 will be contained in the unit dose in the U-lag 20.During packaging, the vaccine of unit dose can be contained in the U-lag 20, perhaps before inoculation the vaccine of unit dose is placed in the U-lag 20.Available identical assembly is given patient by several application with vaccination.
After the inoculation of finishing vaccine, the user catches sleeve 80 in its relative both sides, and handle contact pin 50 in opposite mode by guiding groove 90, promptly longitudinally scope 92 from far-end limited field 96 to near-end limited field 94, by this unit dose metering pin 12 is withdrawn in the sleeve 80.Needle assembly 10 is covered safely, and can suitably handle.
Fig. 6-14 has described other embodiments of the invention, and these embodiment comprise many and the essentially identical member of member Fig. 1-5.Therefore, except using suffix " a " to discern similar member among Fig. 6; The similar member among Fig. 7 and 8 discerned in use suffix " b "; The similar member among Fig. 9 discerned in use suffix " c "; The similar member among Figure 10 and 11 discerned in use suffix " d "; The similar member among Figure 12 discerned in use suffix " e "; And use suffix " f " to discern outside the similar member in Figure 13 and 14, realize that the label of similar member of identity function is identical with the member of Fig. 1-5.
In another embodiment shown in Figure 6, unit dose metering pin 12a also can comprise a cover joint 22a, and this cover joint is fixedly attached to the near-end 14a of unit dose metering pin 12a, for example by an adhint 24a.Can provide adhint 24 by any adhesive that is can be with unit dose metering pin 12a fixedly connected or that adhere to cover joint 22a, for example the adhesive of epoxy or equivalence.Cover joint 22a comprises a cover joint housing 26a, and this cover joint housing comprises a near-end 28a and a far-end 30a.The far-end 30a of cover joint 22a preferably includes an endoporus, this endoporus have one with the basic identical or bigger internal diameter of outside dimension of the near-end 14a of unit dose metering pin 12a, be used for unit dose metering pin 12a held and secure attachment at this endoporus of cover joint 22a.
Cover joint 22a also can comprise one tunnel strategic point lug 34a, and this lug circumferentially extends around its near-end, and this cover joint has the inside road strategic point cone 36a that extends in the inside of part cover joint housing 26a.Inner road strategic point cone 36a is designed to cooperate a separating member, for example is the armarium of hypodermic syringe or standard type needle holder form, or the one handle part, more is described in detail as the embodiment with respect to Fig. 7 as herein described.Can also in inner road strategic point cone 36a, the screw thread (not shown) be set, to set up screw-threaded engagement with the respective threaded surface of this separating member.
In the embodiment of Fig. 6, pedestal 40a also comprises a place ahead ring-shaped skirt 52a that extends from the far-end 46a of pedestal 40a.Ring-shaped skirt 52a comprises that one has the taper fritter 56a of a profile, and this profile is used for the inner surface of the inside road strategic point cone 36a of engage sleeves joint 22a.In addition, ring-shaped skirt 52a is included in the interior female thread 54a that extends of ring-shaped skirt 52a on its inner surface.The road strategic point lug 34a of the female thread 54a engage sleeves joint 22a of ring-shaped skirt 52a provides the helicitic texture that cooperatively interacts, by this in order to unit dose metering pin 12a is connected to pedestal 40a between pedestal 40a and cover joint 22a.Perhaps, can use the system of one tunnel strategic point lock to realize that pedestal 40a and cover save the cooperation between the 22a.In addition, pedestal 40a can comprise an inner road strategic point cone 58a, the separating member in order to further cooperation such as armarium or Handleset in its proximal end.
Comprise unit dose metering pin 12a and be connected among the embodiment of pedestal 40a at this, use the mode identical that sleeve is set with aforesaid way by cover joint 22a.Also can provide a pin cover (not shown), but the conical surface 32a of this pin cover engage sleeves joint 22a provides an aseptic encasement for unit dose metering pin 12a between carrying and storage life.
This embodiment can provide unit dose metering pin 12a and cover joint 22a as the separating member with unit dose kit form.This unit dose assembly can cooperate with an isolating protective acoustic cover assembly, comprises that one has the telescopic pedestal 40a that extends around it, and is as indicated above.Preferably connect unit dose assembly and protective acoustic cover assembly, for example by inner road strategic point cone 36a and ring-shaped skirt 52a.In this kind mode, the unit dose needle assembly that comprises unit dose metering pin 12a and cover joint 22a can be packaged into a sterile sets (it comprises a dismountable pin encasement) separately, and can before facing use, it be cooperated with isolating protective acoustic cover assembly.
In Fig. 7 and the 8 another embodiment that describe, a pedestal 40b comprises one handle extension 60b, and this handle extension extends from the near-end 44b of pedestal 40b.Handle extension 60b is designed to extend beyond telescopic near-end when sleeve is arranged on around the pedestal 40b.Thereby, handle extension 60b grasps with the surface for pedestal 40b provides a user, allows the user with hands maintenance pedestal 40b by this, and with another manual operating sleeve, so that sleeve moves axially with respect to pedestal 40b, and cover or expose unit dose metering pin 12b by this.Handle extension 60b can also play the vaccinated effect with unit dose metering pin 12b that helps.
Handle extension 60b can constitute one with pedestal 40b, perhaps can be one to be connected to the separating member of the near-end 44b of pedestal 40b, for example the inside road strategic point cone by discussing in conjunction with Fig. 6.Handle extension 60b can comprise that one is used to hold the profile of user's finger.For example, handle extension 60b can comprise one or more curved surfaces 62b, and these curved surfaces preferably extend along its relative both sides, between the finger and thumb that is grasped in the user.In addition, handle extension 60b can comprise an inner road strategic point cone 64b, in order to the separating member of further cooperation such as armarium.
In another embodiment of the present invention, sleeve can comprise that one is used to hold the profile of user's finger.For example, as shown in Figure 9, sleeve 80c can comprise the ribbed surfaces 98c that a plurality of ribs that pass through circumferential orientation around the housing 82 of sleeve 80c constitute, and this ribbed surfaces can extended above the part of housing 82c or above the whole length at housing 82c.Ribbed surfaces 98c helps the user and operates needle assembly, can handle by this or around pedestal 40c turnbarrel 80c, and relative its of guiding function by the guide tab 50c among the guiding groove 90c moves axially, so that needle assembly is placed in extended position or the retracted position.Although there is shown ribbed surfaces 98c, also can use other type, according to the theoretical acceptable surface of ergonomics, to hold user's finger, for example one or more curved surfaces, recess or projection are beneficial to telescopic grasping.In addition, in this embodiment, sleeve 80c both can play the effect of the protective cover that is used for unit dose metering pin 12c, can play the effect of handle again, was beneficial to the vaccination with unit dose metering pin 12c.
Figure 10 and 11 has described another embodiment of the present invention, and its middle sleeve 80d comprises a contact pin 102d, and this contact pin is preferably extended from the inner surface of tubular shell 82d, in order to cooperatively interact in the groove 70d that extends along the part of the outer surface of the housing 42d of pedestal 40d.Groove 70d is along at least a portion length longitudinal extension of the outer surface of the housing 42d of pedestal 40d.Sleeve 80d can move to a position of unit dose metering pin 12d crested slidably with respect to pedestal 40d and unit dose metering pin 12d, as shown in figure 11.This slidably move during, contact pin 102d guides in groove 70d, guiding function is provided by this, and this guiding function can be exposed and cover unit dose metering pin 12d between extended position that unit dose metering pin 12d shown in Figure 10 extends from sleeve 80d and unit dose metering pin 12d shown in Figure 11 are contained in retracted position the inner sleeve opening 80d.Also a depression 72d can be arranged on the part of the groove 70d the far-end of pedestal 40d near, this provides a kind of and has been used for that sleeve 80d is locked in one and makes unit dose metering pin 12d withdrawal and cover the device of the position in sleeve 80d.
In this embodiment, sleeve 80d can comprise that also one is used to hold the profile of user's finger, for example one or more curved surfaces 100d.
In the another embodiment of Figure 12, pedestal 40e comprises the kayser 74e that extends lengthwise into far-end 46e along housing 42e from near-end 44e, forms a point 76e.This kayser 74e cooperates releasedly with sleeve 80e, for example passes through the pallet 106e at the near-end 84e place of sleeve 80e.Kayser 74e makes the unit dose metering pin 12e of the cooperation place of sleeve 80e at extended position in the mode that sleeve 80e is remained on a primary importance.Can crooked kayser 74e, with releasing sleeve 80e, make sleeve 80e can move to a position that covers unit dose metering pin 12e.One pressing element such as the spring (not shown) also can be provided, in case discharge the cooperation between kayser 74e and the pallet 106e, this member can be pushed to sleeve 80e one position that surrounds unit dose metering pin 12e automatically.Can use a compression spring (not shown) to realize this function.
Figure 13 and 14 has been described another embodiment of the present invention, and this embodiment comprises a tip guard assembly 120f, and this tip guard assembly is that the 110f of mechanism links to each other with pedestal 40f by a flexible bolt.Tip guard assembly 120f can be arranged to single member tip guard assembly, shown in Figure 13-14, perhaps be arranged to multi-component assemblies, comprise that one is connected the intravital isolating flexible tip guard part of shell.Tip guard assembly 120f comprises that one forms the housing 122f of top scope 124f, and this scope limits the top of tip guard assembly 120f, and along a part of longitudinal extension of unit dose needle cannula 12f.Top scope 124f is bent downwardly at a front end place, to form front bulkhead 126f.In rear end, top scope 124f is bent downwardly, and to form the spring leg 128f that extends towards the front bulkhead 126f of tip guard assembly 120f, lock legs 130f is upwards with crooked to form an end wall, as shown in figure 14 backward.
Most advanced and sophisticated protection assembly 120f is mobile between the second position of the 110f of the mechanism tip 18f that surrounds unit dose metering pin 12f near the primary importance the pedestal 40f and by bolt along unit dose metering pin 12f with stretch mode slidably.More particularly, to forearm 112f and to postbrachium 114f around the pivoting action (for example pressure forward) of pivot hinge 116f by being applied thereto at pivot hinge 116f place generation one pivoting action.This causes to forearm 112f and extends, and stretches out tip guard assembly 120f by this along unit dose metering pin 12f towards tip 18f.Between this moving period, tip guard assembly 12f slides or slides along unit dose metering pin 12f, and lock legs 130f crosses tip 18f from far-end, and the intrinsic elasticity of spring leg 128f promotes lock legs 130f above tip 18f, prevent return movement, and thereby prevent that tip 18f from exposing once more.
The sleeve of assembly of the present invention, pedestal and cover joint can be made of any material, but and preferably are made of moulded plastic material.But suitable molded plastics includes but not limited to polyethylene, polypropylene, polyamide, polyester and polyvinyl fluoride.
Although the present invention is described by a plurality of multi-form embodiment, but shown in the accompanying drawing and this paper is described in detail is preferred embodiment of the present invention, should be understood that this announcement should be considered to the example of principle of the present invention, and the present invention should be constrained to illustrated embodiment.Under the situation that does not deviate from scope and spirit of the present invention, those skilled in the art should be understood that and be easy to make various other embodiments.Measure scope of the present invention by appending claims and equivalent thereof.
Claims (26)
1. disposable needle assembly that can protect, this needle assembly is used to inoculate the vaccine of unit dose, and it comprises:
(a) sleeve, this sleeve comprises that one forms the tubular wall of an inner sleeve opening, this inner sleeve opening extends between a near-end and a relative far-end, described sleeve comprises a guiding groove, this guiding groove extends through tubular wall, enter the inner sleeve opening, described guiding groove comprises: a longitudinal extent, and this longitudinal extent is along the sleeve longitudinal extension; One near-end limited field, this near-end limited field are arranged near one first end of the guiding groove the described near-end of described tubular wall; And a far-end limited field, this far-end limited field is arranged near one second end of the guiding groove the described far-end of described tubular wall, and described near-end and far-end limited field extend along the peripheral surface of tubular wall;
(b) pedestal, this pedestal comprise that one is provided with contact pin on its outer surface, and described pedestal is contained in the described inner sleeve opening, and described contact pin extends through and cross described guiding groove; And
(c) a unit dose metering pin, this unit dose needle have a pedestal end and that is connected to pedestal to be configured to keep the relative tip end of the vaccine of unit dose;
Wherein, contact pin provides a guiding function by the motion of guiding groove between near-end limited field and far-end limited field, this guiding function can make pin extend and retraction movement pin is contained in a retracted position the inner sleeve opening from an extended position of telescopic remote extension and pin between, and wherein, near-end and far-end limited field with the fixed-site of pin between extended position and retracted position.
2. needle assembly as claimed in claim 1 is characterized in that, the unit dose metering pin comprises one fen forked needle, wherein, described tip end comprises two sharp-pointed tips that can puncture or fray patient skin, and wherein, can keep the U-lag of the vaccine of unit dose that described two tips are separated by one.
3. needle assembly as claimed in claim 1 is characterized in that the vaccine of unit dose is a liquid.
4. needle assembly as claimed in claim 1 is characterized in that described pedestal comprises the one handle extension, and described handle extension extends across described sleeve from a described pedestal end relative with described unit dose metering pin.
5. needle assembly as claimed in claim 4 is characterized in that, described handle extension comprises that one cooperates the inside road strategic point cone of armarium.
6. needle assembly as claimed in claim 4 is characterized in that, described handle extension comprises that one is used to hold the profile of user's finger.
7. needle assembly as claimed in claim 6 is characterized in that, described handle extension comprises one or more curved surfaces.
8. needle assembly as claimed in claim 1 is characterized in that, it also comprises a cover joint, and described cover joint is fixedly attached to the pedestal end of described pin, in order to described pin is connected to described pedestal.
9. needle assembly as claimed in claim 8 is characterized in that, described pedestal comprises the corresponding matching surface that is used for being connected betwixt with described cover joint.
10. needle assembly as claimed in claim 9 is characterized in that, described pedestal and described cover joint comprises and is used for the corresponding matching surface of threaded engagement betwixt.
11. needle assembly as claimed in claim 1 is characterized in that, but described sleeve comprises one or more molded plasticss.
12. needle assembly as claimed in claim 11 is characterized in that, plastics are one or more that select from the cohort that comprises polyethylene, polypropylene, polyamide, polyester and polyvinyl fluoride.
13. the disposable needle assembly that can protect, this needle assembly is used to inoculate the vaccine of unit dose, and it comprises:
(a) sleeve, this sleeve comprises that one forms the tubular wall of an inner sleeve opening, this inner sleeve opening extends between a near-end and a relative far-end, described sleeve comprises a guiding groove, this guiding groove extends through tubular wall, enter the inner sleeve opening, described guiding groove comprises: a longitudinal extent, and this longitudinal extent is along the sleeve longitudinal extension; One near-end limited field, this near-end limited field are arranged near one first end of the guiding groove the described near-end of described tubular wall; And a far-end limited field, this far-end limited field is arranged near one second end of the guiding groove the described far-end of described tubular wall, and described near-end and far-end limited field extend along the peripheral surface of tubular wall;
(b) pedestal, this pedestal comprise that one is provided with contact pin on its outer surface, and described pedestal is engaged in the described inner sleeve opening slidably, and described contact pin extends through described guiding groove, and described pedestal comprises that one extends across the handle extension of sleeve proximal end; And
(c) a unit dose metering pin, this unit dose needle have a pedestal end and that is connected to pedestal to be configured to keep the relative tip end of the vaccine of unit dose;
Wherein, protective cover is contained between the second position the inner sleeve opening mobile at pin around needle assembly slidably from primary importance of telescopic remote extension and pin, contact pin and guiding groove provide guiding function by the guiding groove between near-end limited field and the far-end limited field, make protective cover center on needle assembly by this and move between the primary importance and the second position.
14. needle assembly as claimed in claim 13 is characterized in that, near-end and far-end limited field respectively with the fixed-site of pin between the primary importance and the second position.
15. needle assembly as claimed in claim 13 is characterized in that, described handle extension comprises that one cooperates the inside road strategic point cone of armarium.
16. needle assembly as claimed in claim 13 is characterized in that, described handle extension comprises that one is used to hold the profile of user's finger.
17. needle assembly as claimed in claim 17 is characterized in that, described handle extension comprises one or more curved surfaces.
18. the disposable needle assembly that can protect, this needle assembly is used to inoculate the vaccine of unit dose, and it comprises:
(a) a unit dose metering pin, this unit dose needle have a tip end that is configured to keep the vaccine of unit dose;
(b) a cover joint relative with described tip end, that be connected to the unit dose metering pin, described cover joint comprises a conical path strategic point;
(c) pedestal, this pedestal comprise that one is provided with contact pin on its outer surface, and described base thread is connected to the conical path strategic point of cover joint; And
(d) hollow sleeve that around described pedestal, extends, described sleeve comprises a tubular wall that extends between a near-end and a relative far-end, and form an inner sleeve opening, described sleeve comprises a guiding groove, this guiding groove extends through tubular wall, enter the inner sleeve opening, described guiding groove comprises: a longitudinal extent, and this longitudinal extent is along the sleeve longitudinal extension; One near-end limited field, this near-end limited field are arranged near one first end of the guiding groove the described near-end of described tubular wall; And a far-end limited field, this far-end limited field is arranged near one second end of the guiding groove the described far-end of described tubular wall, and described near-end and far-end limited field extend along the peripheral surface of tubular wall;
Wherein, described contact pin extends through and crosses described guiding groove, so that contact pin provides a guiding function by the motion of guiding groove between near-end limited field and far-end limited field, this guiding function can make pin extend and retraction movement pin is contained in a retracted position the inner sleeve opening from an extended position of telescopic remote extension and pin between, and wherein, near-end and far-end limited field with the fixed-site of pin between extended position and retracted position.
19. the disposable needle assembly that can protect, this needle assembly is used to inoculate the vaccine of unit dose, and it comprises:
A) a unit dose needle assembly, it comprises:
I) a unit dose metering pin, this unit dose needle have a point that is configured to keep the vaccine of unit dose
Head end, and
Ii) a cover relative with described tip end, that be fixedly attached to the unit dose metering pin saves; And
B) protective acoustic cover assembly that is connected to described unit dose needle assembly, described protective acoustic cover assembly comprises:
I) sleeve, this sleeve comprise that one is formed on the internal sleeve of extending between a near-end and the relative far-end
The tubular wall of tube opening, described sleeve comprises a guiding groove, this guiding groove extends through tubular wall, in entering
Portion's sleeve openings; And
An ii) pedestal, this pedestal comprise that one is provided with contact pin on its outer surface, and described pedestal is contained in
In the described inner sleeve opening, described joint extends through and crosses described guiding groove;
Wherein, the cover joint of unit dose needle assembly comprises the counter structure that is used for being connected betwixt with the pedestal of protective acoustic cover assembly, and wherein, sleeve and pedestal can relative to each other move, and pin is extended and retraction movement pin is contained in a retracted position the inner sleeve opening from an extended position of telescopic remote extension and pin between.
20. needle assembly as claimed in claim 19 is characterized in that, described cover joint and described pedestal comprise in order to the corresponding threaded surface of threaded engagement betwixt.
21. the disposable needle assembly that can protect, this needle assembly is used to inoculate the vaccine of unit dose, and it comprises:
(a) pedestal;
(b) a unit dose metering pin, this unit dose needle have a pedestal end and that is connected to pedestal to be configured to keep the relative tip end of the vaccine of unit dose;
(c) sleeve, this sleeve comprises that one forms the tubular wall of an inner sleeve opening, this inner sleeve opening extends between a near-end and a relative far-end, and described sleeve is cooperated vertically jointly with described pedestal between a tip exposure position and a tip detent position; And
(d) guiding piece that between described sleeve and described pedestal, cooperatively interacts, this guiding piece with respect to the limited earth's axis of described pedestal to mobile described sleeve.
22. needle assembly as claimed in claim 21 is characterized in that, described guiding piece is a contact pin, and this contact pin extends into a groove the described sleeve from described pedestal.
23. needle assembly as claimed in claim 22 is characterized in that, described groove extends through described sleeve, and described contact pin is with described pedestal and the described telescopic device of the manual immigration of described unit dose metering pin.
24. needle assembly as claimed in claim 21 is characterized in that, described pedestal comprises that one extends across the handle extension of described sleeve proximal end.
25. the disposable needle assembly that can protect, this needle assembly is used to inoculate the vaccine of unit dose, and it comprises:
(a) pedestal;
(b) a unit dose metering pin, this unit dose needle have one, one pedestal end and that is connected to pedestal to be configured to keep the relative tip end of the vaccine of unit dose;
(c) a tip guard part, this tip guard part can slide into a second position of the tip end of the described unit dose metering pin of sealing along described unit dose metering pin from the primary importance near described pedestal; And
(d) bolt is a part, this bolt is that part has one and constitutes the pedestal end of one with described pedestal, one constitutes the protection end of one with described tip guard part, hinge between described pedestal end and the described protection end, one by described protection end and can limit with respect to the described hinge that described protector pivots flexibly boundary one to front part, one by described pedestal end with can limit a member and the forward described and angle between the member backward backward of boundary with respect to the described hinge that described pedestal pivots flexibly, wherein, travelling forward of described hinge enlarges described angle, and directly provides travelling forward of described protector with respect to described pedestal.
26. disposable needle assembly as claimed in claim 25, it is characterized in that, described tip guard part has a lock legs, in case described lock legs moves past the described tip end of described unit dose metering pin, described lock legs prevents the return movement of described tip guard part with respect to described pedestal.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34412601P | 2001-12-28 | 2001-12-28 | |
| US60/344,126 | 2001-12-28 | ||
| US10/141,174 | 2002-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1429631A true CN1429631A (en) | 2003-07-16 |
Family
ID=23349163
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021604932A Expired - Fee Related CN100500237C (en) | 2001-12-28 | 2002-12-27 | Medical needle component part |
| CNA2008101750438A Pending CN101390768A (en) | 2001-12-28 | 2002-12-27 | Medical needle assemblies |
| CN 02158982 Pending CN1429631A (en) | 2001-12-28 | 2002-12-27 | Medical needle assembly |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021604932A Expired - Fee Related CN100500237C (en) | 2001-12-28 | 2002-12-27 | Medical needle component part |
| CNA2008101750438A Pending CN101390768A (en) | 2001-12-28 | 2002-12-27 | Medical needle assemblies |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN100500237C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005105184A1 (en) * | 2004-04-30 | 2005-11-10 | Chang-Ming Yang | Disposable safety syringe |
| WO2006136059A1 (en) * | 2005-06-24 | 2006-12-28 | Chang-Ming Yang | Disposable medical device |
| CN1309346C (en) * | 2002-12-19 | 2007-04-11 | 贝克顿迪肯森公司 | Front passivated winged device with protective cover driven by blade spring |
| CN105056340A (en) * | 2015-08-18 | 2015-11-18 | 天津哈娜好医材有限公司 | Safety type medical puncture needle and use method |
| CN105126195A (en) * | 2015-08-18 | 2015-12-09 | 天津哈娜好医材有限公司 | Self-locking medical puncture needle and using method |
| CN106943181A (en) * | 2017-04-19 | 2017-07-14 | 微氪医疗器械南通有限公司 | A kind of surgery puncture outfit protective packaging device and its packing method |
| CN108209989A (en) * | 2018-04-04 | 2018-06-29 | 杭州康基医疗器械股份有限公司 | Internal organs drawing device |
| CN108430429A (en) * | 2015-12-03 | 2018-08-21 | 特拉西斯股份有限公司 | Puncture needle for having septate flask |
| CN109984811A (en) * | 2017-12-29 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | A kind of control device |
| CN111588451A (en) * | 2020-06-01 | 2020-08-28 | 四川大学华西第二医院 | Push-injection pressurizing anti-suck-back double-cavity ovum taking needle with puncture protection device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054826B (en) * | 2017-06-03 | 2018-05-25 | 成都五义医疗科技有限公司 | A kind of assembly packaging system for medical instrument radiation sterilization |
| CN115644956B (en) * | 2022-11-20 | 2023-03-21 | 苏州英途康医疗科技有限公司 | Handheld device for medical instrument, assembling method of handheld device and medical instrument |
-
2002
- 2002-12-27 CN CNB021604932A patent/CN100500237C/en not_active Expired - Fee Related
- 2002-12-27 CN CNA2008101750438A patent/CN101390768A/en active Pending
- 2002-12-27 CN CN 02158982 patent/CN1429631A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309346C (en) * | 2002-12-19 | 2007-04-11 | 贝克顿迪肯森公司 | Front passivated winged device with protective cover driven by blade spring |
| CN1953776B (en) * | 2004-04-30 | 2010-04-28 | 杨章民 | Disposable safety syringe |
| WO2005105184A1 (en) * | 2004-04-30 | 2005-11-10 | Chang-Ming Yang | Disposable safety syringe |
| WO2006136059A1 (en) * | 2005-06-24 | 2006-12-28 | Chang-Ming Yang | Disposable medical device |
| CN105126195B (en) * | 2015-08-18 | 2018-01-23 | 天津哈娜好医材有限公司 | Self-locking medical puncture needle and application method |
| CN105056340A (en) * | 2015-08-18 | 2015-11-18 | 天津哈娜好医材有限公司 | Safety type medical puncture needle and use method |
| CN105126195A (en) * | 2015-08-18 | 2015-12-09 | 天津哈娜好医材有限公司 | Self-locking medical puncture needle and using method |
| CN108430429A (en) * | 2015-12-03 | 2018-08-21 | 特拉西斯股份有限公司 | Puncture needle for having septate flask |
| CN108430429B (en) * | 2015-12-03 | 2021-05-28 | 特拉西斯股份有限公司 | Puncture needle for flask with septum |
| CN106943181A (en) * | 2017-04-19 | 2017-07-14 | 微氪医疗器械南通有限公司 | A kind of surgery puncture outfit protective packaging device and its packing method |
| CN106943181B (en) * | 2017-04-19 | 2019-06-14 | 微氪医疗器械南通有限公司 | A kind of surgery puncture outfit protective packaging device and its packing method |
| CN109984811A (en) * | 2017-12-29 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | A kind of control device |
| CN108209989A (en) * | 2018-04-04 | 2018-06-29 | 杭州康基医疗器械股份有限公司 | Internal organs drawing device |
| CN111588451A (en) * | 2020-06-01 | 2020-08-28 | 四川大学华西第二医院 | Push-injection pressurizing anti-suck-back double-cavity ovum taking needle with puncture protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101390768A (en) | 2009-03-25 |
| CN1442210A (en) | 2003-09-17 |
| CN100500237C (en) | 2009-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |