CN2488519Y

CN2488519Y - Integral conduit clamp with safety needle protector

Info

Publication number: CN2488519Y
Application number: CN 01231436
Authority: CN
Inventors: 洪敏祥; 郭昭显
Original assignee: Shande Biochemical Science & Technology Co Ltd
Current assignee: Shande Biochemical Science & Technology Co Ltd
Priority date: 2001-07-13
Filing date: 2001-07-13
Publication date: 2002-05-01
Anticipated expiration: 2011-07-13

Abstract

The utility model relates to an integral conduit clamp with safety needle protector, in particular used for the vein transfusion covers and the hemodialysis arteriovenous repeated tubes needle groups. An semi-closed hollow convex part is extended from a conduit clamp(or pincers) by the original stanching function on an injecting conduit. The edge of the convex part is provided with positioning sliding orbits witch have height falls, the hollow part can hold needle heads and the front end is provided with a safe baffle which is provided with apertures. When the needle group conduits are being used by passing through the conduit clamp, the conduit clamp positions to fit for the convex hollow part by the conduit, does linearity motions at the front or back of the conduit, makes the conduit clamp not only control the conduit whether unhindered, but also make the injecting needle head easily be protected in the using process; thereby effectively reducing the needle heads from being polluted by the accompanied disease resource such as the infection fatalness of the hepatitis or aids to the operators. The utility model is a requisite clamp based on the consideration of the safe devices and is an integral conduit clamp with safety needle protector.

Description

Integral type has the vessel clamp of safety needle protection

Technical field

This utility model relates to injection catheter, and especially integral type has the vessel clamp of safety needle protection.

Background technology

Conventional catheters such as butterfly pin etc. are seen Fig. 1, comprise parts such as syringe needle 11, the butterfly wing 13, catheter body 15, adaptor 17, and have needle cover 111 and vessel clamp 113 to install on it; During use, after needing vessel clamp 113 to be pressed the locking conduit earlier, take off needle cover 111 by the nursing staff, syringe needle 11 is inserted blood vessel, behind the fixed position adaptor 17 is connected on injection injection or the instrument, after loosening vessel clamp 113, blood vessel can be connected the effect of finishing with the device of the first end of switching by the nationality conduit; After earlier vessel clamp 113 being clamped conduit when finishing using, take out syringe needle, cover needle cover 111.In the use, needle cover need remove, and when separating needle cover and syringe needle, often because of the application of force or improper use, causes operator by pricking wound, and needle cover separates use, also loses easily, and easily causes various cause of disease to pollute pipeline, as hepatitis, AIDS etc.; Study a kind of needle set that has more safety, then be the improved main directions of medical supplies in modern age, the analysis conventional conduit uses flow process, safety device only has needle cover, and also only have needle cover to be separating part in using, and if can only at this point security function consider parts and seek one and have more safety Design, can significantly promote the safety when using, reach so-called security tool theory, harm reduction generation probability; In addition, then except that needle cover, other has vessel clamp to moveable part, and only vessel clamp is combined on the conduit all the time, loss problem that it doesn't matter, if can not increase device and change use habit, and reach the improving safety purpose in conjunction with original device, then there are its industry utilization and progressive to say, the creator is promptly based on above-mentioned theory research, and creation one has the vessel clamp of extension, satisfies invention this utility model.

Summary of the invention

The purpose of this utility model provides the conduit clamp structure that a kind of safety is considered design, changes conventional catheters folder simple control clearness of catheter or locking simple function and considers; In conjunction with the safety screen of suitable needle cover function to vessel clamp, especially for venous transfusion cover (I.V.Set) and hemodialysis arteriovenous Bobbin group (A.V.F) usefulness makes vessel clamp (or claiming clamp clamp) extend a semi-enclosed hollow outthrust, has clamp and Tip protection lid dual function; Consider to make the ledge edge that high low head be arranged with mechanics utilization, the positioning slide when moving as vessel clamp, the hollow part is as the Tip protection groove, and front end is one to have the safety screen in hole, and ledge and vessel clamp binding end leave a segment distance; When entry needle group conduit passes the vessel clamp use, vessel clamp is to be suitable for the perforate of conduit caliber, be socketed on the conduit, vessel clamp is moved linearly before and after conduit, except that whether the may command clearness of catheter still possesses, can guide by the nationality positioning slide in addition, allow injection needle do orbital motion along the ledge edge, the nationality syringe needle back segment butterfly wing is in the askew arch angle of orbital motion, syringe needle promptly can action of gravity and positioning slide cooperate, fall into the hollow part of ledge, can reach the Tip protection effect behind the locking vessel clamp; Indulge and vessel clamp is not fixed; the distance that ledge and vessel clamp binding end leave; also can be used as the relative position of fine setting syringe needle, syringe needle can be intercepted by safety screen, reach protection completely in the outthrust hollow part; operating process is easy; can effectively reduce the danger of syringe needle to operator really, be a kind ofly to consider the anchor clamps of uniting conduit indispensability based on safety device; make it possess the integral type composite design of protection syringe needle function, have the vessel clamp structure of safety needle protection.

Integral type described in the utility model has the vessel clamp of safety needle protection, and its concrete feature is:

Comprise anchor clamps and a ledge; Wherein, each perforate before and after these anchor clamps comprise reaches bending each projection up and down; This ledge comprises a safety screen, a location slide rail, a hollow bore, a plane slide rail.

The vessel clamp that this integral type has a safety needle protection is specially adapted to venous transfusion cover and hemodialysis arteriovenous bobbin group repeatly.

This integral type has the vessel clamp of safety needle protection, and its anchor clamps and ledge are integral structure.

The vessel clamp that this integral type has the safety needle protection has certain elasticity.

Its corresponding anchor clamps upper process place eliminates and is hollow, and the bottom then is an airtight design.

Safety screen wherein is to opening half oblong hole according to the syringe needle counterparty

The location cunning of ledge is wherein held, and is positioned at the ledge edge, for the centre subsides, and the high one group of parallel orbit that rises in both sides.

Wherein the plane slide rail of ledge is the one group of parallel orbit that is positioned at anchor clamps and ledge binding site.

The hollow bore of ledge wherein, its perforate is the syringe needle shape, size is enough to hold syringe needle and inserts.

Integral type described in the utility model has the vessel clamp of safety needle protection, and bobbin group (A.7.F) effect is remarkable repeatly to be used for venous transfusion cover (I.V.Se is big) and hemodialysis arteriovenous.Original fluid stopping effect vessel clamp on inventor's nationality injection catheter (or claiming clamp) extends a semi-enclosed hollow projections, this ledge edge is the positioning slide that high low head is arranged, the hollow part can hold syringe needle, front end is one to have the safety screen in hole, when entry needle group conduit passes the vessel clamp use, vessel clamp nationality conduit is suitable for location, outstanding hollow part, before and after conduit, move linearly, make vessel clamp except that the may command clearness of catheter whether, can allow injection needle be protected in use easily in addition, effectively reducing needle sting operator's danger, is a kind ofly to consider the anchor clamps of uniting conduit indispensability based on safety device; And coat conduit and can 360 degree rotations fully because of its ledge is non-, so its ledge of reason does not cause conduit and injection position fixing difficult or become flexible, influence safety.

Description of drawings

Fig. 1 is traditional injection catheter sketch map;

Fig. 2 is a vessel clamp axonometric chart of the present utility model;

Fig. 3 a is that this utility model is incorporated into the embodiment sketch map when injecting the needle set utilization;

Fig. 3 b is that this utility model is incorporated into the embodiment sketch map when injecting the needle set utilization;

Fig. 3 C is that this utility model is incorporated into the embodiment sketch map when injecting the needle set utilization;

Fig. 4 falls stereo appearance figure for this utility model is incorporated into the preferable enforcement of when utilization of injection needle set.

Among the figure,

11 syringe needles

The 13 butterfly wings

15 catheter body

17 adaptors

111 needle covers

113 vessel clamps

21 anchor clamps

211 perforates

212 perforates

213 projections

214 projections

23 ledges

231 safety screens

2,311 half oblong holes

232 positioning slides

233 hollow bore

234 plane slide rails

31 syringe needles

33 entry needle groups

The 35 butterfly wings

37 conduits

The specific embodiment

For making your auditor understand the purpose of this utility model, feature and effect, nationality is by following specific embodiment now, and cooperates appended graphicly, and this utility model is described in detail:

This utility model integral type as shown in Figure 2 has the vessel clamp of safety needle protection, has certain elasticity, comprise anchor clamps 21, each perforate 211,212 before and after anchor clamps 21 comprise, bending is each projection 213,214 and a ledge 23 up and down, and ledge 23 comprises a safety screen 231, one location slide rails 232, one hollow bore, 233, one plane slide rails 234; Anchor clamps 21 are integral structure with ledge 23, binding site is plane slide rail 234, ledge 23 corresponding anchor clamps upper processs 213 places eliminate and are hollow, the bottom then is an airtight design, fixture openings is slightly larger than conduit 37 calibers of applying mechanically, and as the foundation of ledge hollow bore 233 diameters, safety screen 231 according to the syringe needle counterparty to opening half

oblong hole

2311,232 of positioning slides are for the centre subsides, the high shape that rises in both sides.Then be in the conduit chuck people conduit during use, make it to fasten with downward push projection 213 parts with Lower Half projection 214, reach the choked flow effect, or with front and back move mode change vessel clamp and conduit relative position, after syringe needle is exposed according to positioning slide 232 or sinking into hollow bore 233, nationality is fixed by lower clamp upper process 213 or the plane cunning is held 234 fine setting syringe needles 31, syringe needle can be positioned at 231 of ledge hollow bore 233 and safety screens, isolate syringe needle and reach the safe handling purpose, utilize again as still needing, then need safety screen 231 is pulled downwards, and vessel clamp is retired just backward and can be taken out.During taking-up, both hands grip the vessel clamp fixed position and do not move, so can significantly do not improved safety when using by needle sting.

Fig. 3 shows that then this utility model integral type has the vessel clamp embodiment of safety needle protection, when finishing using, then the pin group 33 nationality butterfly wings 35 are cross-placed on the positioning slide 232 according to Fig. 3 a to Fig. 3 C order, and because of ledge hollow bore 233 and conduit 37 footpaths wide rough quite, then can keep stabilizing of relative position with conduit during vessel clamp in pulling, make the syringe needle can be according to the butterfly wing 35 guiding, the smooth-going hollow bore 233 that slips into can reach the Tip protection effect behind the locking vessel clamp; Indulge and vessel clamp is not fixed, the distance that ledge and vessel clamp binding end leave also can be used as the relative position of fine setting syringe needle in the outthrust hollow part, and syringe needle can be intercepted by safety screen, reaches protection completely.

Please, show that this utility model integral type has the vessel clamp of safety needle protection, the embodiment state when being incorporated into the utilization of injection needle set referring again to the embodiment of Fig. 4.

Only the above person only is a possible embodiments of the present utility model, and all equivalent structures that utilizes this utility model description or claim to do change, and ought to be included in the patent category of the present utility model.

Claims

1. an integral type has the vessel clamp that safety needle is protected, and it is characterized in that: comprise anchor clamps and a ledge; Wherein, each perforate before and after these anchor clamps comprise reaches bending each projection up and down; This ledge comprises a safety screen, a location slide rail, a hollow bore, a plane slide rail.

2. integral type as claimed in claim 1 has the vessel clamp of safety needle protection, and it is characterized in that: its anchor clamps and ledge are integral structure.

3. integral type as claimed in claim 1 has the vessel clamp of safety needle protection, and it is characterized in that: its corresponding anchor clamps upper process place eliminates and is hollow, and the bottom then is an airtight design.

4. integral type as claimed in claim 1 has the vessel clamp of safety needle protection, it is characterized in that: safety screen wherein is to opening half oblong hole according to the syringe needle counterparty;

5. integral type as claimed in claim 1 has the vessel clamp of safety needle protection, it is characterized in that: the positioning slide of ledge wherein, be positioned at the ledge edge, and for the centre subsides, the high one group of parallel orbit that rises in both sides.

6. integral type as claimed in claim 1 has the vessel clamp of safety needle protection, it is characterized in that: the plane slide rail of ledge wherein is the one group of parallel orbit that is positioned at anchor clamps and ledge binding site.

7. integral type as claimed in claim 1 has the vessel clamp of safety needle protection, it is characterized in that: the hollow bore of ledge wherein, and its perforate is the syringe needle shape, size is enough to hold syringe needle and inserts.