CN204170208U - Single use remaining needle - Google Patents
Single use remaining needle Download PDFInfo
- Publication number
- CN204170208U CN204170208U CN201420390578.8U CN201420390578U CN204170208U CN 204170208 U CN204170208 U CN 204170208U CN 201420390578 U CN201420390578 U CN 201420390578U CN 204170208 U CN204170208 U CN 204170208U
- Authority
- CN
- China
- Prior art keywords
- needle tip
- needle
- tip shield
- draw point
- chute
- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of single use remaining needle, comprise Y type catheter block, first of Y type catheter block, second, third channel respectively with conduit, transfusion coupling assembling and needle tip retracts device connect, conduit is outside equipped with catheter sheath, needle tip retracts device comprises the needle tip shield of bottom seal, draw point is arranged in described needle tip shield, the afterbody of draw point is fixed on needle stand, the side of needle tip shield is provided with chute vertically, needle stand with stir handle and be connected, stir handle slide arrangement on chute, stopper slot after the tail end sidepiece of chute is offered, the inwall of rear stopper slot is provided with rear elastic spacing crisperding, the restriction of rear elastic spacing crisperding is stirred handle and is easily entered difficulty and go out, draw point periphery is also arranged with one and is limited in back-moving spring in needle tip shield, the middle part inwall of needle tip shield is also provided with cyclic spring positive stop lug boss.This utility model use safety, prevents from stabbing, and is convenient to destroy.
Description
Technical field
This utility model relates to remaining needle field, particularly a kind of single use remaining needle.
Background technology
Venous detaining needle is the nursing new technique carried out in recent years; along with it applies with clinical more and more widely; replace traditional intravenous transfusion methods gradually, the advantage of this nursing technique is, has both solved the misery of patient's repeated localised puncture; protect vein again; decrease chance that is hemorrhage and that infect, also mitigate the nursing work load of nurse, particularly critical patient simultaneously; venous access medication early can be opened at any time, improve salvage success rate.
In order to avoid giving during mankind's input media, cross infection occurs, the necessary single use of venous detaining needle, namely does garbage disposal after use.The maximum single use venous detaining needle of current use is made up of flexible pipe, thimble assembly, needle tubing assembly, calparine cap, greatest problem existing for this remaining needle is after needle tubing assembly uses, its syringe needle is still trapped in outside, relative to the acuity of syringe needle, be not only the carrying of remaining needle rubbish, destroy and make troubles, the thing of simultaneously stabbing medical and nursing work personnel because of careless often occurs, and this just inevitably there will be the secondary cross infection of pathogenic bacteria.Practice shows, the needle stick injuries that dangerous needle set causes is obviously more than the damage that other surprisingly cause.
Utility model content
The purpose of this utility model is for shortcomings and deficiencies of the prior art, provides a kind of single use remaining needle, and this remaining needle can only single use, and needle portion can not expose after automatic retracted, prevents from stabbing, and can solve the problem.
The technical problem that this utility model solves can realize by the following technical solutions:
Single use remaining needle, comprise Y type catheter block, first of described Y type catheter block, second, third channel respectively with conduit, transfusion coupling assembling and needle tip retracts device connect, described conduit is outside equipped with catheter sheath, batching pig is provided with in described third channel, it is characterized in that, described needle tip retracts device comprises the needle tip shield of bottom seal, draw point is arranged in described needle tip shield, described draw point needle point stretches in conduit through batching pig, the afterbody of described draw point is fixed on needle stand, the side of described needle tip shield is provided with chute vertically, described needle stand with stir handle and be connected, described handle slide arrangement of stirring is on described chute, stopper slot after the tail end sidepiece of described chute is offered, the inwall of described rear stopper slot is provided with rear elastic spacing crisperding, stir handle described in described rear elastic spacing crisperding restriction easily to enter difficulty and go out, described draw point periphery is also arranged with one and is limited in back-moving spring in described needle tip shield, the two ends of described back-moving spring are connected on described needle stand and described needle tip shield front inner surface respectively, the middle part inwall of described needle tip shield is also provided with cyclic spring positive stop lug boss, when described needle stand is pulled to foremost in described needle tip shield, described cyclic spring positive stop lug boss coordinates with described needle stand afterbody is spacing, and described cyclic spring positive stop lug boss is greater than the elastic force of described back-moving spring with the spacing power coordinated of described needle stand afterbody.
In a preferred embodiment of the present utility model, the front end of described needle tip shield is also provided with needle point retaining clip, described needle point retaining clip front end has left elastic clip, right elastic clip, the front end of described left elastic clip is provided with varus rib, and the face at described varus rib place covers the centrage of described needle tip shield.
Owing to have employed technical scheme as above, this utility model only need be dialled stirring handle and after being locked in stopper slot after using backward, draw point can be made to be locked in needle tip shield by self-destruction, medical and nursing work personnel can not be stabbed, and be convenient to carrying and the destruction of remaining needle rubbish.Moreover under the force of a spring, needle stand can not move forward in needle tip shield, also draw point self-destruction is locked in needle tip shield further.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of embodiment of this utility model.
Fig. 2 is the structural representation of Y type catheter block of the present utility model.
Fig. 3 is the structural representation of needle tip retracts device of the present utility model.
Detailed description of the invention
The technological means realized to make this utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth this utility model further.
See shown in Fig. 1 to Fig. 3, single use remaining needle comprises Y type catheter block 100, catheter sheath 200, transfusion coupling assembling 300 and needle tip retracts device 400, first passage 110 front end of Y type catheter block 100 is connected with conduit 210, catheter sheath 200 is enclosed within outside conduit 210, and the tail end of catheter sheath 200 is set in the tapered front end 111 of the first passage 110 of Y type catheter block 100.
The second channel 120 of Y type catheter block 100 is connected with transfusion coupling assembling 300 by extension tube 121, and extension tube 121 is provided with flow-stopping clip 122.
The third channel 130 of Y type catheter block 100 is connected with needle tip retracts device 400, is provided with batching pig 131 in third channel 130.Needle tip retracts device 400 comprises the needle tip shield 410 of bottom seal, and draw point 420 is arranged in needle tip shield 410, and draw point 420 needle point stretches in conduit 210 through batching pig 400, and the afterbody of draw point 420 is fixed on needle stand 430.The outside of needle stand 430 also with stir handle 440 and be connected.
The side of needle tip shield 410 is provided with chute 450 vertically, stirs handle 440 slide arrangement on chute 450, stopper slot 452 after the tail end sidepiece of chute 450 offers.The inwall of rear stopper slot 452 is provided with rear elastic spacing crisperding 452a, the shape of rear elastic spacing crisperding 452a be hypotenuse 452aa near chute 450 right-angle side 452ab away from the right angled triangle elastic spacing crisperding of chute 450, the sidepiece stirring handle 440 is provided with the rear right angled triangle elasticity edge (not shown) coordinated with rear elastic spacing crisperding 452a, and rear right angled triangle elasticity edge coordinates restriction to stir handle 440 easily to enter difficulty and go out with rear elastic spacing crisperding 452a.
Draw point 420 periphery is also arranged with one and is limited in back-moving spring 460 in needle tip shield 410, and the two ends of back-moving spring 460 are connected on needle stand 430 and needle tip shield 410 front inner surface 411 respectively.
The middle part inwall of needle tip shield 410 is also provided with cyclic spring positive stop lug boss 451, when needle stand 430 is pulled to foremost in needle tip shield 410, cyclic spring positive stop lug boss 451 coordinates with needle stand 430 afterbody is spacing, and cyclic spring positive stop lug boss 451 is greater than the elastic force of back-moving spring 460 with the spacing power coordinated of needle stand 430 afterbody, the elastic force of back-moving spring 460 is made to be not enough to make cyclic spring positive stop lug boss 451 and needle stand 430 depart from, but apply certain dynamics by medical and nursing work personnel, cyclic spring positive stop lug boss 451 and needle stand 430 can be made to depart from, needle stand 430 slides to chute 450 bottom, realize draw point 420 to bounce back.In order to not hinder the normal work of back-moving spring 460, the external diameter of back-moving spring 460 is less than the internal diameter of cyclic spring positive stop lug boss 451.
Expose to prevent remaining needle draw point 420 after self-destruction further, the front end of needle tip shield 410 is also provided with needle point retaining clip 470, needle point retaining clip 470 front end has left elastic clip 471, right elastic clip 472, the front end of left elastic clip 471 is provided with varus rib 471a, and the face at varus rib 471a place covers the centrage of needle tip shield 410.After draw point 420 is set back in needle tip shield 410, due to the existence of varus rib 471a, draw point 420 just cannot pass needle tip shield 410 again.
When this utility model uses, needle stand 430 is positioned at the front inner wall of needle tip shield 410, and cyclic spring positive stop lug boss 451 coordinates with needle stand 430 afterbody is spacing, and restriction needle stand 430 bounces back, and draw point 420 is through conduit 210.After medical and nursing work personnel complete transfusion to patient, medical and nursing work personnel apply necessarily power backward to stirring handle 440, cyclic spring positive stop lug boss 451 and needle stand 430 can be made to depart from, needle stand 430 slides to chute 450 bottom, now draw point 420 has bounced back in needle tip shield 410, handle 440 will be stirred again turn to and slip in rear stopper slot 452, and draw point 420 will be locked in needle tip shield 410 by self-destruction and can not stab medical and nursing work personnel, and be convenient to carrying and the destruction of remaining needle rubbish.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; this utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed this utility model.The claimed scope of this utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. single use remaining needle, comprise Y type catheter block, first of described Y type catheter block, second, third channel respectively with conduit, transfusion coupling assembling and needle tip retracts device connect, described conduit is outside equipped with catheter sheath, batching pig is provided with in described third channel, it is characterized in that, described needle tip retracts device comprises the needle tip shield of bottom seal, draw point is arranged in described needle tip shield, described draw point needle point stretches in conduit through batching pig, the afterbody of described draw point is fixed on needle stand, the side of described needle tip shield is provided with chute vertically, described needle stand with stir handle and be connected, described handle slide arrangement of stirring is on described chute, stopper slot after the tail end sidepiece of described chute is offered, the inwall of described rear stopper slot is provided with rear elastic spacing crisperding, stir handle described in described rear elastic spacing crisperding restriction easily to enter difficulty and go out, described draw point periphery is also arranged with one and is limited in back-moving spring in described needle tip shield, the two ends of described back-moving spring are connected on described needle stand and described needle tip shield front inner surface respectively, the middle part inwall of described needle tip shield is also provided with cyclic spring positive stop lug boss, when described needle stand is pulled to foremost in described needle tip shield, described cyclic spring positive stop lug boss coordinates with described needle stand afterbody is spacing, and described cyclic spring positive stop lug boss is greater than the elastic force of described back-moving spring with the spacing power coordinated of described needle stand afterbody.
2. single use remaining needle as claimed in claim 1, it is characterized in that, the front end of described needle tip shield is also provided with needle point retaining clip, described needle point retaining clip front end has left elastic clip, right elastic clip, the front end of described left elastic clip is provided with varus rib, and the face at described varus rib place covers the centrage of described needle tip shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390578.8U CN204170208U (en) | 2014-07-15 | 2014-07-15 | Single use remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390578.8U CN204170208U (en) | 2014-07-15 | 2014-07-15 | Single use remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204170208U true CN204170208U (en) | 2015-02-25 |
Family
ID=52559053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420390578.8U Expired - Fee Related CN204170208U (en) | 2014-07-15 | 2014-07-15 | Single use remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204170208U (en) |
-
2014
- 2014-07-15 CN CN201420390578.8U patent/CN204170208U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |