CN204181958U - The anti-acupuncture venoclysis needle of single use - Google Patents
The anti-acupuncture venoclysis needle of single use Download PDFInfo
- Publication number
- CN204181958U CN204181958U CN201420618315.8U CN201420618315U CN204181958U CN 204181958 U CN204181958 U CN 204181958U CN 201420618315 U CN201420618315 U CN 201420618315U CN 204181958 U CN204181958 U CN 204181958U
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- needle
- saddle
- syringe needle
- needle stand
- single use
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Abstract
This utility model provides a kind of single use anti-acupuncture venoclysis needle, it includes a needle stand, a needle guard, a flexible pipe and a syringe needle, needle guard is sheathed on syringe needle, flexible pipe is communicated with needle stand, the anti-acupuncture venoclysis needle of single use also includes one handle, a saddle and a position-limit mechanism, needle stand is tubular, and one end of needle stand is fixed and is communicated with syringe needle, the other end and hose connection; Saddle is both ends open and cross section is the tubular of rectangle; Handle is arranged at needle stand one end near syringe needle, and the side of saddle is provided with a rail groove at the direction of axis line of saddle, and handle passes and slides and is arranged in rail groove, and rail groove is greater than the length of syringe needle; Position-limit mechanism is arranged on saddle, needle stand and/or handle; Saddle is equipped with a level and smooth protuberance.Sliding to cover syringe needle on needle stand by arranging saddle, after making transfusion, the safety of the process of syringe needle significantly being promoted; Because avoid the use of spring syringe needle, reduce the misery of patient.
Description
Technical field
This utility model relates to the anti-acupuncture venoclysis needle of a kind of single use.
Background technology
At present, conventional disposable vein pin before use, to need to needle guard on pinhead sleeve to protect syringe needle, such as, prevent syringe needle to be bent or collision etc.During use, when pulling out needle guard, easily cause pricking hazard, but real danger disposal stage after transfusion completes, after being extracted in transfusion person's body, when carrying out waste disposal, no matter putting into the process cartridge of specialty or bringing needle guard, the danger of being all easily wounded by stabbing, causes the serious consequences such as medical staff infection.
For this defect, some intravenous needles have employed the technological means of retractable needle, after transfusion completes, utilize the isostructural elastic force of spring, syringe needle are retracted to one for the protection of in the structure such as protective sleeve of syringe needle.So, although can available protecting syringe needle, avoid medical worker to be wounded by stabbing, but patient can be caused painful greatly because of the mechanical action of needle retractable.
On the other hand, skin, when retracting, because the frame for movement that can stretch often exists gap, may be clamped and cause larger misery to patient by retractable needle.
Utility model content
The technical problem that utility model will solve is that the intravenous needle in order to overcome prior art exists safety issue and mechanical action causes the defect of patient suffering, provides the anti-acupuncture venoclysis needle of single use that a kind of safety is better, mechanical action causes misery is lower.
The anti-acupuncture venoclysis needle of a kind of single use, it includes a needle stand, a needle guard, a flexible pipe and a syringe needle, described needle guard is sheathed on described syringe needle, described flexible pipe is communicated with described needle stand, its feature is, the anti-acupuncture venoclysis needle of described single use also includes one handle, a saddle and a position-limit mechanism, and described needle stand is tubular, one end of described needle stand is fixed and is communicated with described syringe needle, the other end and described hose connection;
Described saddle is both ends open and cross section is the tubular of rectangle;
Described handle is arranged at described needle stand one end near described syringe needle, and the side of described saddle is provided with a rail groove at the direction of axis line of described saddle, and described handle passes and slides and is arranged in described rail groove, and described rail groove is greater than the length of described syringe needle;
Described position-limit mechanism is arranged on described saddle, described needle stand and/or described handle, after sliding at described saddle and covering described syringe needle completely, is fixed on by described saddle on described needle stand;
Described saddle is equipped with a level and smooth protuberance.
That is, saddle, on the direction of axis line of syringe needle and saddle itself, needle stand slidably reciprocates.When saddle slides into a certain degree to syringe needle direction, saddle can cover syringe needle and play a protective role.When saddle slides into a certain degree toward flexible pipe direction, syringe needle exposes completely.So, when extracting syringe needle, both ensure that safety, turn avoid the misery that the unexpected resilience of syringe needle in prior art causes simultaneously.
Due to when carrying out the operations such as transfusion, saddle needs to slide on skin sometimes, more stable in order to ensure the slip of saddle on skin, need saddle can not be overturn easily, therefore saddle is set to the shape of square-section, like this, a side of saddle all and contact skin, compare columnar shape, it more not easily overturns.
In addition, because saddle needing when sliding to ensure certain fluency, when saddle and needle stand are interference fit, need very large thrust, being not easy to one-handed performance.Therefore need between saddle and needle stand to leave certain gap, thus make it possible to slide very easily saddle.But so, just need stability when cooperatively interacting by the handle arranged on rail groove and needle stand on saddle side the slip improving saddle.
In addition, nestable owing between saddle, needle stand being slip herein, therefore certainly exist gap between saddle, between saddle and needle stand.The skin of patient is easily clamped in these gaps in operation, causes the misery of patient.After being provided with protuberance, protuberance can be conflicted with patient skin in operation, make skin produce slight depression, so just can avoid contacting with the joint portion of needle stand with apertured saddle with the skin of protuberance contact site periphery, make skin be not easy to be clamped by gap.
Preferably, described position-limit mechanism comprises a spring secures rail to sleeper and two draw-in grooves;
Described two draw-in grooves are arranged on described needle stand, described spring secures rail to sleeper is arranged on described saddle, described two draw-in grooves and described spring secures rail to sleeper be used for described saddle slide into cover completely described syringe needle or described syringe needle expose completely time, be interlocked with described spring secures rail to sleeper, to limit the movement of described saddle.
That is, saddle slides axially along needle stand, needs when infusing, and the spring secures rail to sleeper on saddle fastens with the draw-in groove of one end of close needle stand on needle stand, and syringe needle exposes completely.After having infused, when needing syringe needle to cover, then saddle is slid into spring secures rail to sleeper and engage with the draw-in groove of the other end on needle stand, to cover syringe needle.In addition, said spring secures rail to sleeper herein, maintains the fastener of snap-fit relationship with elastic force in the prior art referred to, can engagement release relation as long as apply the external force being greater than elastic force.
Preferably, described position-limit mechanism comprises two Access Divisions and two draw-in grooves;
Two described Access Divisions are arranged at the two ends of described rail groove respectively, two described draw-in grooves are arranged at described handle respectively towards on the side of described Access Division, described Access Division and described draw-in groove be used for described saddle slide into cover completely described syringe needle or described syringe needle expose completely time, fixing, to limit the movement of described saddle of mutual buckle.
Herein, the setting of buckle is with above-mentioned to be arranged at needle stand identical with the snapping relationship ultimate principle of saddle, but snapping relationship be herein be based upon handle and rail groove both sides between saddle and the both sides of handle, due to when operating, handle is held by operator, its stability is best, and the action distortion etc. therefore caused in the action contacting buckle and buckle affects minimum.
Preferably, three sides that described saddle does not arrange described rail groove are respectively arranged with an even surface, between the axial line of described even surface and described syringe needle, there is the angle of 5 ° ~ 20 °.
Preferably, described saddle is provided with at least one skid-proof regions;
Described saddle is made up of elastomeric material, described saddle and described spring secures rail to sleeper one-body molded, described needle stand and described draw-in groove one-body molded.
Preferably, described position-limit mechanism also includes at least one receiving part be located on described saddle or described needle stand, and described receiving part is used for after described draw-in groove engages with described spring secures rail to sleeper, prevents described saddle from deviating under the effect of tensile force.
Positive progressive effect of the present utility model is: slide to cover syringe needle on needle stand by arranging saddle, significantly promotes after making transfusion to the safety of the process of syringe needle; Because avoid the use of spring syringe needle, reduce the misery of patient.
Accompanying drawing explanation
Fig. 1 is the anti-acupuncture venoclysis needle of the single use top view before operation of this utility model preferred embodiment.
Fig. 2 is the anti-acupuncture venoclysis needle of the single use top view after the activation of this utility model preferred embodiment.
Fig. 3 is the anti-acupuncture venoclysis needle of the single use axonometric chart before operation of this utility model preferred embodiment.
Fig. 4 is the anti-acupuncture venoclysis needle of the single use axonometric chart after the activation of this utility model preferred embodiment.
Fig. 5 is the structural representation of the section of the anti-acupuncture venoclysis needle of single use of this utility model preferred embodiment.
Detailed description of the invention
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly this utility model to be described.
Fig. 1 is the anti-acupuncture venoclysis needle of the single use top view before operation of the present embodiment, Fig. 2 is the anti-acupuncture venoclysis needle of the single use top view after the activation of the present embodiment, Fig. 3 is the anti-acupuncture venoclysis needle of the single use axonometric chart before operation of the present embodiment, Fig. 4 is the anti-acupuncture venoclysis needle of the single use axonometric chart after the activation of the present embodiment, Fig. 5 is the structural representation of the section of the anti-acupuncture venoclysis needle of single use of the present embodiment, as shown in Fig. 1 ~ 5, the anti-acupuncture venoclysis needle of the single use that the present embodiment relates to includes:
Needle stand 1, needle guard 4, flexible pipe 3, syringe needle 41 handle 11, saddle 2 and a position-limit mechanism.Needle guard 4 is sheathed on syringe needle 41, and flexible pipe 3 is communicated with needle stand 1, it is characterized in that, the anti-acupuncture venoclysis needle of single use also includes, and needle stand 1 is tubular, and one end of needle stand 1 is fixed and is communicated with syringe needle 41, and the other end is connected with flexible pipe 3.
Saddle 2 is both ends open and cross section is the tubular of rectangle.
Handle 11 is arranged at needle stand 1 one end near syringe needle 41, and the side of saddle 2 is provided with a rail groove 22 at the direction of axis line of saddle 2, and handle 11 passes and slides and is arranged in rail groove 22, and rail groove 22 is greater than the length of syringe needle 41.Position-limit mechanism is arranged on saddle 2, needle stand 1 and/or handle 11, after sliding at saddle 2 and covering syringe needle 41 completely, is fixed on needle stand 1 by saddle 2.Saddle 2 is equipped with a level and smooth protuberance 21.
Position-limit mechanism comprises spring secures rail to sleeper 23 and draw-in groove 12, draw-in groove 13.
Draw-in groove 12, draw-in groove 13 are arranged on needle stand 1, spring secures rail to sleeper 23 is arranged on saddle 2, two draw-in grooves and spring secures rail to sleeper 23 for slide at saddle 2 cover completely syringe needle 41 or syringe needle 41 expose completely time, be interlocked with spring secures rail to sleeper 23, to limit the movement of saddle 2.
Three sides that saddle 2 does not arrange rail groove 22 are respectively arranged with an even surface, between the axial line of even surface and syringe needle 41, there is the angle of 5 ° ~ 20 °.
In addition, saddle 2 is provided with skid-proof regions 24.
Saddle 2 slides axially along needle stand 1, needs when infusing, and the spring secures rail to sleeper on saddle 2 fastens with the draw-in groove of one end of close needle stand 1 on needle stand 1, and syringe needle 41 exposes completely.After having infused, when needing syringe needle 41 to cover, then saddle 2 is slid into spring secures rail to sleeper and engage with the draw-in groove of the other end on needle stand 1, to cover syringe needle 41.In addition, said spring secures rail to sleeper herein, maintains the fastener of snap-fit relationship with elastic force in the prior art referred to, can engagement release relation as long as apply the external force being greater than elastic force.
Saddle 2, on the direction of axis line of syringe needle 41 and saddle 2 itself, needle stand 1 slidably reciprocates.When saddle 2 slides into a certain degree to syringe needle 41 direction, saddle 2 can cover syringe needle 41 and play a protective role.When saddle 2 slides into a certain degree toward flexible pipe direction, syringe needle 41 exposes completely.So, when extracting syringe needle 41, both ensure that safety, turn avoid the misery that in prior art, syringe needle 41 resilience suddenly causes simultaneously.
Due to when carrying out the operations such as transfusion, saddle 2 needs to slide on skin sometimes, more stable in order to ensure the slip of saddle 2 on skin, need saddle 2 can not be overturn easily, therefore saddle 2 is set to the shape of square-section, like this, a side of saddle 2 all and contact skin, compare columnar shape, it more not easily overturns.
In addition, because saddle 2 needing when sliding to ensure certain fluency, when saddle 2 and needle stand 1 are interference fit, need very large thrust, being not easy to one-handed performance.Therefore need between saddle 2 and needle stand 1 to leave certain gap, thus make it possible to the saddle 2 that slides very easily.But so, just need stability when cooperatively interacting by the handle arranged on rail groove and needle stand 1 on saddle 2 side the slip improving saddle 2.
In addition, nestable owing between saddle 2, needle stand 1 being slip herein, therefore certainly exist gap between saddle 2, between saddle 2 and needle stand 1.The skin of patient is easily clamped in these gaps in operation, causes the misery of patient.After being provided with protuberance, protuberance can be conflicted with patient skin in operation, make skin produce slight depression, so just can avoid contacting with the joint portion of needle stand 1 with apertured saddle 2 with the skin of protuberance contact site periphery, make skin be not easy to be clamped by gap.
In addition, needle stand 1 is provided with two protruding (not shown)s as receiving part, one end outer wall of the upper near flexible pipe 3 of saddle 2 is equipped with ring shaped retainers structure, by after on needle stand 1 medial wall, two projections are stuck in ring shaped retainers after stretching, for after draw-in groove engages with spring secures rail to sleeper, further anti-limited slip piece 2 is deviate under the effect of tensile force.
Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art is under the prerequisite not deviating from principle of the present utility model and essence; various changes or modifications can be made to these embodiments; such as; be not used in and saddle and needle stand arrange spring secures rail to sleeper and the such buckle structure of draw-in groove; but employing arranges buckle structure etc. on handle and saddle, but these change and amendment all falls into protection domain of the present utility model.
Claims (6)
1. the anti-acupuncture venoclysis needle of single use, it includes a needle stand, a needle guard, a flexible pipe and a syringe needle, described needle guard is sheathed on described syringe needle, described flexible pipe is communicated with described needle stand, it is characterized in that, the anti-acupuncture venoclysis needle of described single use also includes one handle, a saddle and a position-limit mechanism, and described needle stand is tubular, one end of described needle stand is fixed and is communicated with described syringe needle, the other end and described hose connection;
Described saddle is both ends open and cross section is the tubular of rectangle;
Described handle is arranged at described needle stand one end near described syringe needle, and the side of described saddle is provided with a rail groove at the direction of axis line of described saddle, and described handle passes and slides and is arranged in described rail groove, and described rail groove is greater than the length of described syringe needle;
Described position-limit mechanism is arranged on described saddle, described needle stand and/or described handle, after sliding at described saddle and covering described syringe needle completely, is fixed on by described saddle on described needle stand;
Described saddle is equipped with a level and smooth protuberance.
2. the anti-acupuncture venoclysis needle of single use as claimed in claim 1, it is characterized in that, described position-limit mechanism comprises a spring secures rail to sleeper and two draw-in grooves;
Described two draw-in grooves are arranged on described needle stand, described spring secures rail to sleeper is arranged on described saddle, described two draw-in grooves and described spring secures rail to sleeper be used for described saddle slide into cover completely described syringe needle or described syringe needle expose completely time, be interlocked with described spring secures rail to sleeper, to limit the movement of described saddle.
3. the anti-acupuncture venoclysis needle of single use as claimed in claim 1, it is characterized in that, described position-limit mechanism comprises two Access Divisions and two draw-in grooves;
Two described Access Divisions are arranged at the two ends of described rail groove respectively, two described draw-in grooves are arranged at described handle respectively towards on the side of described Access Division, described Access Division and described draw-in groove be used for described saddle slide into cover completely described syringe needle or described syringe needle expose completely time, fixing, to limit the movement of described saddle of mutual buckle.
4. the anti-acupuncture venoclysis needle of single use as claimed in claim 2, it is characterized in that, three sides that described saddle does not arrange described rail groove are respectively arranged with an even surface, between the axial line of described even surface and described syringe needle, there is the angle of 5 ° ~ 20 °.
5. the anti-acupuncture venoclysis needle of single use as claimed in claim 4, is characterized in that, described saddle is provided with at least one skid-proof regions;
Described saddle is made up of elastomeric material, described saddle and described spring secures rail to sleeper one-body molded, described needle stand and described draw-in groove one-body molded.
6. the anti-acupuncture venoclysis needle of single use as claimed in claim 5, it is characterized in that, described position-limit mechanism also includes at least one receiving part be located on described saddle or described needle stand, described receiving part is used for after described draw-in groove engages with described spring secures rail to sleeper, prevents described saddle from deviating under the effect of tensile force.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420618315.8U CN204181958U (en) | 2014-10-23 | 2014-10-23 | The anti-acupuncture venoclysis needle of single use |
| PCT/CN2015/075657 WO2016062015A1 (en) | 2014-10-23 | 2015-04-01 | Disposable anti-acupuncture venous transfusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420618315.8U CN204181958U (en) | 2014-10-23 | 2014-10-23 | The anti-acupuncture venoclysis needle of single use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204181958U true CN204181958U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420618315.8U Active CN204181958U (en) | 2014-10-23 | 2014-10-23 | The anti-acupuncture venoclysis needle of single use |
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| Country | Link |
|---|---|
| CN (1) | CN204181958U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062015A1 (en) * | 2014-10-23 | 2016-04-28 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion needle |
| CN105582593A (en) * | 2014-10-23 | 2016-05-18 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture intravenous infusion needle |
| CN107281587A (en) * | 2017-06-09 | 2017-10-24 | 王祖扬 | A kind of needle safety retraction intravenous infusion needle |
-
2014
- 2014-10-23 CN CN201420618315.8U patent/CN204181958U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062015A1 (en) * | 2014-10-23 | 2016-04-28 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion needle |
| CN105582593A (en) * | 2014-10-23 | 2016-05-18 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture intravenous infusion needle |
| CN107281587A (en) * | 2017-06-09 | 2017-10-24 | 王祖扬 | A kind of needle safety retraction intravenous infusion needle |
| CN107281587B (en) * | 2017-06-09 | 2024-01-05 | 重庆医药集团威逊医疗科技有限公司 | Intravenous infusion needle with needle capable of being retracted safely |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |