CN105582593A - Disposable anti-acupuncture intravenous infusion needle - Google Patents
Disposable anti-acupuncture intravenous infusion needle Download PDFInfo
- Publication number
- CN105582593A CN105582593A CN201410572144.4A CN201410572144A CN105582593A CN 105582593 A CN105582593 A CN 105582593A CN 201410572144 A CN201410572144 A CN 201410572144A CN 105582593 A CN105582593 A CN 105582593A
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- China
- Prior art keywords
- needle
- saddle
- syringe needle
- intravenous infusion
- draw
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Abstract
The invention discloses a disposable anti-acupuncture intravenous infusion needle, which comprises a needle base, a needle guard, a soft hose and a needle head, and further comprises a handle, a sliding piece and a limiting mechanism, wherein the needle guard covers the needle head; the soft hose and the needle base communicate; the needle base is of a cylindrical structure; one end of the needle base is fixed and communicates with the needle head and the other end of the needle base is connected to the soft hose; the sliding piece is of a cylindrical structure, and two ends of the sliding piece are provided with openings and the cross section of the sliding piece is represented as a rectangle; the handle is arranged at one end, close to the needle head, of the needle base; in the direction of the axial lead of the sliding piece, a rail groove is formed in one side of the sliding piece; the handle runs through the rail groove and is clamped in the rail groove in a sliding mode; the rail groove is longer than the needle head; the limiting mechanism is arranged on the sliding piece, the needle base and/or the handle; and a smooth convex part is arranged on the sliding piece in a surrounding mode. The needle head is sheltered since the sliding piece can slide on the needle base, so that the safety of needle head disposal after infusion is greatly improved; and the intravenous infusion needle, which avoids the use of a spring-type needle head, can reduce pain in patients.
Description
Technical field
The present invention relates to the anti-acupuncture intravenous infusion needle of a kind of disposable use.
Background technology
At present, conventional disposable vein pin before use, need to needle guard on pinhead sleeve with protection syringe needle,For example prevent that syringe needle is bent or collision etc. When use, while pulling out needle guard, easily cause and stab danger,But in real danger disposal stage after transfusion completes, from being extracted in transfusion person's body, discarding placeWhile putting, no matter put into professional process cartridge or bring needle guard, the danger of being all easily wounded by stabbing, causesThe serious consequences such as medical staff infection.
For this defect, some intravenous needles have adopted the technological means of retractable needle, complete in transfusionAfter, utilize the isostructural elastic force of spring, syringe needle is retracted to the structures such as a protective sleeve for the protection of syringe needleIn. So, although can effectively protect syringe needle, avoid medical worker to be wounded by stabbing, but can be because ofFor the mechanical action of needle retractable causes patient painful greatly.
On the other hand, retractable needle is in the time retracting, because frame for movement that can be flexible often exists seamGap, may clamp skin patient is caused to larger misery.
Summary of the invention
The technical problem to be solved in the present invention is that the intravenous needle in order to overcome prior art exists security to askTopic and mechanical action cause patient suffering's defect, provide that a kind of security is better, mechanical action causesThe lower anti-acupuncture intravenous infusion needle of disposable use of misery.
The anti-acupuncture intravenous infusion needle of a kind of disposable use, it includes a needle stand, a needle guard, a flexible pipeWith a syringe needle, described needle guard is sheathed on described syringe needle, and described flexible pipe is communicated with described needle stand, its featureBe, the anti-acupuncture intravenous infusion needle of described disposable use also includes one handle, a saddle and one spacingMechanism, described needle stand is tubular, one end of described needle stand is fixed and is communicated with described syringe needle, the other end and instituteStating flexible pipe connects;
Described saddle is the tubular that both ends open and cross section are rectangle;
Described handle is arranged at described needle stand one end near described syringe needle, and a side of described saddle is describedThe direction of axis line of saddle is provided with a rail groove, and described handle passes and slides and is arranged in described trackGroove, 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, for describedSaddle slides into and covers completely after described syringe needle, and described saddle is fixed on described needle stand;
On described saddle, be equipped with a level and smooth protuberance.
That is to say, saddle is on the direction of axis line of syringe needle and saddle itself, sliding back and forth on needle standMoving. In the time that saddle slides into a certain degree to syringe needle direction, saddle can cover syringe needle and play a protective role.In the time that saddle slides into a certain degree toward flexible pipe direction, syringe needle exposes completely. So, extract syringe needleTime both ensured security, avoided again the misery that in prior art, the unexpected resilience of syringe needle causes simultaneously.
Due in the time the operation such as infusing, saddle need to slide sometimes on skin, in order to ensure saddleSlip on skin is more stable, need to make saddle not overturn easily, and therefore saddle is set toThe shape of square-section, like this, a side of saddle all and skin contact, is compared columnar shape,Its more difficult upset.
In addition, because saddle need to ensure certain fluency in sliding, when saddle and needle stand areWhen interference fit, need very large thrust, be not easy to one-handed performance. Therefore between saddle and needle stand, needLeave certain gap, thereby make it possible to slide very easily saddle. But so, just need to lead toWhen crossing the handle arranging on rail groove and needle stand cooperatively interact to improve the slip of saddle on saddle sideStability.
In addition, herein due between saddle, needle stand, be slide nestable, therefore between saddle, saddle andBetween needle stand, certainly exist gap. The skin that patient is easily clamped in these gaps in operating process, causesPatient's misery. Be provided with after protuberance, protuberance can be conflicted with patient skin in operation, makes skinSkin produce slight depression, so with the skin of protuberance contact site periphery just can avoid be with seamedThe saddle of gap contacts with the joint portion of needle stand, makes 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, and described spring secures rail to sleeper is arranged on described saddle, instituteState two draw-in grooves and described spring secures rail to sleeper for slide at described saddle cover completely described syringe needle orWhen described syringe needle exposes completely, be interlocked with described spring secures rail to sleeper, to limit the movement of described saddle.
That is to say, saddle slides axially along needle stand, need to infuse time, and the elastic buckles on saddleOn part and needle stand, the draw-in groove of one end of close needle stand fastens, and syringe needle exposes completely. After having infused, needWhen syringe needle is covered, saddle is slid into spring secures rail to sleeper and engage with the draw-in groove of the other end on needle stand, to hideCover syringe needle. In addition, said spring secures rail to sleeper herein, maintains engaging with elastic force in the prior art referring toThe fastener of relation, can engagement release relation as long as apply an external force that is 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 respectively the two ends of described rail groove, and two described draw-in grooves arrange respectivelyIn described handle, on the side of described Access Division, described Access Division and described draw-in groove are used in described cunningWhen part slides into and covers described syringe needle or described syringe needle completely and expose completely, buckle is fixing mutually, withLimit the movement of described saddle.
Herein, the setting of buckle is related to that with the above-mentioned buckle that is arranged at needle stand and saddle general principle is identical,But buckle relation is herein to be based upon between handle and the saddle of rail groove both sides and the both sides of handle, byWhen in operation, handle is by operator grasps, and its stability is best, therefore at contact buckle and cardThe impacts such as the action distortion that the action of button causes are minimum.
Preferably, described saddle do not arrange on three sides of described rail groove, be respectively arranged with one level and smooth, between described even surface and the axial line of described syringe needle, there is the angle of 5 °～20 ° in face.
Preferably, on described saddle, be provided with at least one skid-proof regions;
Described saddle is made up of elastomeric material, and described saddle and described spring secures rail to sleeper are one-body molded, described pinSeat is one-body molded with described draw-in groove.
Preferably, described position-limit mechanism also includes and is located at least one on described saddle or described needle standReceiving part, described receiving part, for after described draw-in groove engages with described spring secures rail to sleeper, prevents described saddleUnder the effect of tensile force, deviate from.
Positive progressive effect of the present invention is: by being set, saddle on needle stand, slides to cover syringe needle,The security of the processing to syringe needle after infusing is significantly promoted; Because avoided making of spring syringe needleWith, reduce patient's misery.
Brief description of the drawings
Fig. 1 is that the anti-acupuncture intravenous infusion needle of the disposable use of preferred embodiment of the present invention is bowed preoperativeView.
Fig. 2 is the anti-acupuncture intravenous infusion needle of the disposable use of preferred embodiment of the present invention bowing after operationView.
Fig. 3 is that the anti-acupuncture intravenous infusion needle of the disposable use of preferred embodiment of the present invention is preoperative verticalBody figure.
Fig. 4 is the anti-acupuncture intravenous infusion needle of the disposable use of preferred embodiment of the present invention standing after operationBody figure.
Fig. 5 is the structure of the section of the anti-acupuncture intravenous infusion needle of disposable use of preferred embodiment of the present inventionSchematic diagram.
Detailed description of the invention
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention toAmong described scope of embodiments.
Fig. 1 be the anti-acupuncture intravenous infusion needle of the disposable use of the present embodiment at preoperative top view, figure2 is the anti-acupuncture intravenous infusion needle of disposable use of the present embodiment top view after operation, and Fig. 3 is thisThe anti-acupuncture intravenous infusion needle of disposable use of embodiment is at preoperative stereogram, and Fig. 4 is the present embodimentThe stereogram of the anti-acupuncture intravenous infusion needle of disposable use after operation, Fig. 5 be the present embodiment onceProperty is used the structural representation of the section of anti-acupuncture intravenous infusion needle, and as shown in Fig. 1～5, the present embodiment relates toAnd the anti-acupuncture intravenous infusion needle of disposable use include:
Needle stand 1, needle guard 4, flexible pipe 3, syringe needle 41 handles 11, saddle 2 and a position-limit mechanism. Needle guard4 are sheathed on syringe needle 41, and flexible pipe 3 is communicated with needle stand 1, it is characterized in that the anti-acupuncture of disposable useIntravenous infusion needle also includes, and needle stand 1 is tubular, and one end of needle stand 1 is fixed and is communicated with syringe needle 41, anotherOne end is connected with flexible pipe 3.
Saddle 2 is the tubular that both ends open and cross section are rectangle.
Handle 11 is arranged at needle stand 1 one end near syringe needle 41, and a side of saddle 2 is at the axle of saddle 2Heart line direction is provided with a rail groove 22, and handle 11 passes and slides and is arranged in rail groove 22, rail groove22 are greater than the length of syringe needle 41. Position-limit mechanism is arranged on saddle 2, needle stand 1 and/or handle 11, usesIn sliding into and cover completely after syringe needle 41 at saddle 2, saddle 2 is fixed on needle stand 1. Saddle 2On be 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, and spring secures rail to sleeper 23 is arranged on saddle 2, twoDraw-in groove and spring secures rail to sleeper 23 cover syringe needle 41 or syringe needle 41 is complete completely for sliding at saddle 2When exposure, be interlocked with spring secures rail to sleeper 23, to limit the movement of saddle 2.
Saddle 2 does not arrange on three sides of rail groove 22 and is respectively arranged with an even surface, even surface withBetween the axial line of syringe needle 41, there is the angle of 5 °～20 °.
In addition, on saddle 2, be provided with skid-proof regions 24.
Saddle 2 slides axially along needle stand 1, need to infuse time, the spring secures rail to sleeper on saddle 2 withOn needle stand 1, the draw-in groove of one end of close needle stand 1 fastens, and syringe needle 41 exposes completely. After having infused,When syringe needle 41 need to be covered, saddle 2 is slid into the card of the other end on spring secures rail to sleeper and needle stand 1Groove engaging, to cover syringe needle 41. In addition, said spring secures rail to sleeper herein, uses in the prior art referring toElastic force maintains the fastener of snap-fit relationship, can engagement release close as long as apply an external force that is greater than elastic forceSystem.
Saddle 2 is on the direction of axis line of syringe needle 41 and saddle 2 itself, sliding back and forth on needle stand 1Moving. In the time that saddle 2 slides into a certain degree to syringe needle 41 directions, saddle 2 can cover 41, syringe needleTo protective effect. In the time that saddle 2 slides into a certain degree toward flexible pipe direction, syringe needle 41 exposes completely.So, while extracting syringe needle 41, both ensure security, avoided again syringe needle in prior art simultaneouslyThe misery that 41 unexpected resiliences cause.
Due in the time the operation such as infusing, saddle 2 need to slide sometimes on skin, sliding in order to ensureThe slip of part 2 on skin is more stable, need to make saddle 2 not overturn easily, therefore by saddle2 are set to the shape of square-section, and like this, a side of saddle 2 all and skin contact, is compared circleThe shape of tubular, its more difficult upset.
In addition, because saddle 2 need to ensure certain fluency in sliding, when saddle 2 and pinWhen seat 1 is interference fit, need very large thrust, be not easy to one-handed performance. Therefore saddle 2 and needle standBetween 1, need to leave certain gap, thereby make it possible to the saddle 2 that slides very easily. But such oneCome, just need to cooperatively interact to carry by the handle arranging on rail groove and needle stand 1 on saddle 2 sidesThe stability when slip of high saddle 2.
In addition, herein due between saddle 2, needle stand 1, be slide nestable, therefore between saddle 2,Between saddle 2 and needle stand 1, certainly exist gap. Patient's easily clamped in these gaps in operating processSkin, causes patient's misery. Be provided with after protuberance, protuberance can support with patient skin in operationTouch, make skin produce slight depression, so just can keep away with the skin of protuberance contact site peripheryExempt from and contact with the joint portion of needle stand 1 with apertured saddle 2, making 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, saddle 2On one end outer wall of upper nearly flexible pipe 3, be equipped with ring-type back-up ring structure, after stretching, pass through on needle stand 1 madial wallTwo projections are stuck in after ring-type back-up ring, after engaging with spring secures rail to sleeper at draw-in groove, and further anti-limited slip piece2 deviate under the effect of tensile force.
Although more than described the specific embodiment of the present invention, those skilled in the art should manageSeparate, this only illustrates, and protection scope of the present invention is limited by appended claims. AbilityThe technical staff in territory is not deviating under the prerequisite of principle of the present invention and essence, can be to these embodimentsMake various changes or modifications, for example, do not use on saddle and needle stand, arrange spring secures rail to sleeper and draw-in groove thisThe buckle structure of sample arranges buckle structure etc. but adopt on handle and saddle, but these changes and repairingChange and all fall into protection scope of the present invention.
Claims (6)
1. the anti-acupuncture intravenous infusion needle of disposable use, it includes a needle stand, a needle guard,Flexible pipe and a syringe needle, described needle guard is sheathed on described syringe needle, and described flexible pipe is communicated with described needle stand, itsBe characterised in that, the anti-acupuncture intravenous infusion needle of described disposable use also includes one handle, a saddle andPosition-limit mechanism, described needle stand is tubular, one end of described needle stand is fixed and is communicated with described syringe needle, the other endBe connected with described flexible pipe;
Described saddle is the tubular that both ends open and cross section are rectangle;
Described handle is arranged at described needle stand one end near described syringe needle, and a side of described saddle is describedThe direction of axis line of saddle is provided with a rail groove, and described handle passes and slides and is arranged in described trackGroove, 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, for describedSaddle slides into and covers completely after described syringe needle, and described saddle is fixed on described needle stand;
On described saddle, be equipped with a level and smooth protuberance.
2. the anti-acupuncture intravenous infusion needle of disposable use as claimed in claim 1, 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, and described spring secures rail to sleeper is arranged on described saddle, instituteState two draw-in grooves and described spring secures rail to sleeper for slide at described saddle cover completely described syringe needle orWhen described syringe needle exposes completely, be interlocked with described spring secures rail to sleeper, to limit the movement of described saddle.
3. the anti-acupuncture intravenous infusion needle of disposable use as claimed in claim 1, is characterized in that,Described position-limit mechanism comprises two Access Divisions and two draw-in grooves;
Two described Access Divisions are arranged at respectively the two ends of described rail groove, and two described draw-in grooves arrange respectivelyIn described handle, on the side of described Access Division, described Access Division and described draw-in groove are used in described cunningWhen part slides into and covers described syringe needle or described syringe needle completely and expose completely, buckle is fixing mutually, withLimit the movement of described saddle.
4. the anti-acupuncture intravenous infusion needle of disposable use as claimed in claim 2, is characterized in that,Described saddle does not arrange on three sides of described rail groove and is respectively arranged with an even surface, described even surfaceAnd between the axial line of described syringe needle, there is the angle of 5 °～20 °.
5. the anti-acupuncture intravenous infusion needle of disposable use as claimed in claim 4, is characterized in that,On described saddle, be provided with at least one skid-proof regions;
Described saddle is made up of elastomeric material, and described saddle and described spring secures rail to sleeper are one-body molded, described pinSeat is one-body molded with described draw-in groove.
6. the anti-acupuncture intravenous infusion needle of disposable use as claimed in claim 5, is characterized in that,Described position-limit mechanism also includes at least one receiving part being located on described saddle or described needle stand, described inReceiving part, for after described draw-in groove engages with described spring secures rail to sleeper, prevents the work of described saddle at tensile forceWith under deviate from.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572144.4A CN105582593A (en) | 2014-10-23 | 2014-10-23 | Disposable anti-acupuncture intravenous infusion needle |
| 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 |
|---|---|---|---|
| CN201410572144.4A CN105582593A (en) | 2014-10-23 | 2014-10-23 | Disposable anti-acupuncture intravenous infusion needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105582593A true CN105582593A (en) | 2016-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410572144.4A Pending CN105582593A (en) | 2014-10-23 | 2014-10-23 | Disposable anti-acupuncture intravenous infusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105582593A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376056A (en) * | 2017-08-04 | 2017-11-24 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of safety transfusion needle |
| CN107754048A (en) * | 2016-08-16 | 2018-03-06 | 上海金塔医用器材有限公司 | Anti- needling structure and anti-acupuncture venous transfusion puncturing needle |
| CN109200382A (en) * | 2017-06-30 | 2019-01-15 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of safety transfusion needle |
| CN109224192A (en) * | 2018-09-28 | 2019-01-18 | 江苏治宇医疗器材有限公司 | A kind of safety shield for single wing transfusion syringe |
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| CN204181958U (en) * | 2014-10-23 | 2015-03-04 | 上海金塔医用器材有限公司 | The anti-acupuncture venoclysis needle of single use |
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- 2014-10-23 CN CN201410572144.4A patent/CN105582593A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5772638A (en) * | 1996-09-17 | 1998-06-30 | Medisystems Technology Corporation | Protector for needle |
| CN102325557A (en) * | 2009-02-19 | 2012-01-18 | 株式会社Jms | Medical needle device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754048A (en) * | 2016-08-16 | 2018-03-06 | 上海金塔医用器材有限公司 | Anti- needling structure and anti-acupuncture venous transfusion puncturing needle |
| CN109200382A (en) * | 2017-06-30 | 2019-01-15 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of safety transfusion needle |
| CN107376056A (en) * | 2017-08-04 | 2017-11-24 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of safety transfusion needle |
| CN109224192A (en) * | 2018-09-28 | 2019-01-18 | 江苏治宇医疗器材有限公司 | A kind of safety shield for single wing transfusion syringe |
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