CN102512182A - Safe needle holder for blood taking needle - Google Patents
Safe needle holder for blood taking needle Download PDFInfo
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- CN102512182A CN102512182A CN2011104590396A CN201110459039A CN102512182A CN 102512182 A CN102512182 A CN 102512182A CN 2011104590396 A CN2011104590396 A CN 2011104590396A CN 201110459039 A CN201110459039 A CN 201110459039A CN 102512182 A CN102512182 A CN 102512182A
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- blood taking
- needle holder
- sleeve
- taking needle
- elasticity
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Abstract
The invention relates to a safe needle holder for a blood taking needle, which belongs to the field of medical equipment. The safe needle holder comprises a sleeve, wherein the sleeve adapts to a vacuum blood collection tube; an independent blood taking needle fixing seat is arranged at the top end of the sleeve; an elastic hanging arm that inclines upwards and outwards is arranged on the blood taking needle fixing seat; a compression spring is assembled between the blood taking needle fixing seat and the front end of the sleeve; the elastic hanging arm is equipped with a touch bushing correspondingly; a clamping groove is formed at the top end of the sleeve; an initial end of the clamping groove is the narrowest; and the top end of the elastic hanging arm is hung on the sleeve, and the top end of the elastic hanging arm is clamped into the initial end of the clamping groove. The safe needle holder can recover the blood taking needle that is used in a concentrated manner, can prevent exposed blood taking needle from pricking working personnel, and can avoid pricking and cross infection; the clamping groove and locking points of the elastic hanging arm are provided, the blood taking needle fixing seat can bear static loads not less than 50 N, and the blood taking needle fixing seat and the sleeve cannot become loose or be separated from each other only if external force is not applied to rotate the elastic hanging arm, so that the using effect of the needle holder can be ensured, and the safe needle holder is suitable for being popularized and applied on a large scale.
Description
Technical field
The present invention relates to a kind of safety blood taking pin needle holder, belong to the medical appliance field.
Background technology
Clinically, use blood taking needle and vacuum test tube to widely apply, adopt blood taking needle and vacuum test tube repeatedly to take a blood sample same case as the acquisition mode of blood of human body sample; But for the needle holder that is used for fixing blood taking needle, can not be after blood sampling finish, isolate or protect exposing holding the outside needle point of gust device; Therefore, the blood taking needle that exposes after blood sampling finishes is comparatively dangerous, stabs the staff easily; And, in blood taking needle waste treatment process, because blood taking needle is lacked effective defence program; Also occur the situation that needle point is stabbed easily, influence safety.The patent No. is to have designed a kind of recovery structure of blood taking needle holder in the patent of invention " safety blood taking pin needle holder " of ZL200920018330.8; The problems referred to above have been solved through this recovery structure; But this needle holder has a hidden danger: during use, in assembling blood taking needle process, if blood taking needle is applied bigger axial load; Cause the elasticity on the needle stand to hang the arm contraction easily; Thereby excite the compression spring, the blood taking needle holder is broken away from sleeve under the effect of compression spring, cause product failure.
Summary of the invention
According to above deficiency of the prior art, the technical problem that the present invention will solve is: a kind of safe and reliable safety blood taking pin needle holder is provided, can prevents to lose efficacy because of the needle holder that the assembling blood taking needle brings.
The technical solution adopted for the present invention to solve the technical problems is: described safety blood taking pin needle holder; One sleeve that adapts with vacuum test tube is arranged; Telescopic top is provided with independently blood taking needle holder, and the blood taking needle holder is provided with the elasticity that makes progress outward-dipping and hangs arm, is fitted with the compression spring between blood taking needle holder and the telescopic front end; Corresponding elasticity is hung arm and is furnished with the sleeve pipe of touching; It is characterized in that: telescopic top is provided with draw-in groove, and the initial end of draw-in groove is the narrowest, and the top of elasticity extension arm hangs on the sleeve and the top snaps in the initial end of draw-in groove.
Under the normal condition, the blood taking needle holder hangs on the sleeve through elasticity extension arm and snaps in the initial end of draw-in groove.During use, blood taking needle is installed on the blood taking needle holder, can carries out follow-up blood sampling operation.After blood sampling finishes, touch elasticity extension arm with touching sleeve pipe, rotation simultaneously touches sleeve pipe; Hang arm and touch under the function of friction between sleeve pipe in elasticity, touch sleeve pipe and drive elasticity and hang arm and from telescopic draw-in groove initial end, screw out, elasticity extension arm is backed; Break away from sleeve, the blood taking needle holder breaks away from sleeve and falls under the effect of compression spring, can be concentrated and reclaim; Avoid the exposure of needle point, safe and reliable.Because before rotation touches sleeve pipe; Elasticity is hung arm and can be remained in the draw-in groove; Like this; In clinical blood collection procedure during, just can not occur because of blood taking needle being applied the phenomenon that larger axis radially backs to the blood taking needle holder that load caused, thereby guarantee the stability of product with needle holder assembling blood taking needle.
Among the present invention:
The top of elasticity extension arm hangs on the sleeve can have a variety of modes, and the present invention adopts following scheme:
Described telescopic inwall is provided with projection, and the top that elasticity is hung arm is provided with the buckle pawl, and the buckle pawl hangs on the telescopic projection.Elasticity hang arm can circumferentially distribute several, as 2-6 etc.
In order to prevent that elasticity extension arm from freely screwing out, location structure can be set, the design of this location structure has multiple:
Scheme one: the elasticity that on the projection outer, is provided with protrusion is hung arm lock point;
Scheme two: the elasticity that on the draw-in groove inwall, is provided with protrusion is hung arm lock point.
The described sleeve pipe that touches is a back cover recovery cylinder, and the oral area outside of back cover recovery cylinder is provided with catch ring, and sleeve is provided with the cylindrical shell shell fragment that adapts with catch ring, the top of cylindrical shell shell fragment tilt in cylindrical shell.Touch elasticity with the back cover recovery cylinder and hang arm, when the blood taking needle holder dropped in the back cover recovery cylinder, catch ring was withstood by the cylindrical shell shell fragment, and back cover recovery cylinder and sleeve link together, and directly blood taking needle have been enclosed in wherein, and be more safe and reliable.
Described blood taking needle holder is provided with the screw thread that matches with the blood taking needle syringe needle.Through being threaded, can guarantee that blood taking needle syringe needle and blood taking needle holder closely connect as one.In when assembling design, the direction of rotation of blood taking needle syringe needle will be hung the screw-in direction that arm screws in sleeve top end face draw-in groove with elasticity and is consistent.
Except above-mentioned points, sleeve, blood taking needle holder and back cover recovery cylinder all preferably use medical plastic to make, and directly single injection-molded is made simply, can be satisfied the elasticity requirement of elastomeric element by self elasticity of medical plastic.
The beneficial effect that the present invention had is:
The safety blood taking needle holder is scientific and reasonable for structure, and is easy to make, can the blood taking needle of finishing using be concentrated recovery, prevents that the blood taking needle that exposes from stabbing the staff, avoids thorn to injure cross infection; Through being set, draw-in groove and elasticity hangs arm lock point; Can make the blood taking needle holder bear the dead load that is not less than 50N, only otherwise applying external force rotation elasticity hangs arm, the blood taking needle holder can not become flexible or separate with sleeve; Thereby can guarantee the result of use of needle holder, be fit to large-scale promotion application.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1 middle sleeve;
Fig. 3 is the structural representation of back cover recovery cylinder.
Among the figure: 1, sleeve; 2, projection; 3, elasticity is hung arm; 4, compression spring; 5, blood taking needle holder; 6, cylindrical shell shell fragment; 7, elasticity is hung arm lock point; 8, the initial end of draw-in groove; 9, catch ring; 10, recovery cylinder.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are done and to be further described:
Shown in Fig. 1～3, safety blood taking pin needle holder has the sleeve 1 that adapts with vacuum test tube; The top of sleeve 1 is provided with independently blood taking needle holder 5, and blood taking needle holder 5 is provided with the screw thread that matches with the blood taking needle syringe needle, and blood taking needle holder 5 is provided with the elasticity that makes progress outward-dipping and hangs arm 3; The top of sleeve 1 is provided with draw-in groove, and the initial end 8 of draw-in groove is the narrowest, and the inwall of sleeve 1 is provided with projection 2; The top that elasticity is hung arm 3 is provided with the buckle pawl; The buckle pawl hangs on the projection 2 of sleeve 1 and snaps in the initial end 8 of draw-in groove, and projection 2 outers are provided with the elasticity of protrusion and hang arm lock point 7, are fitted with compression spring 4 between the front end of blood taking needle holder 5 and sleeve 1; Corresponding elasticity is hung arm 3 and is furnished with back cover recovery cylinder 10; The oral area outside of back cover recovery cylinder 10 is provided with catch ring 9, and sleeve 1 is provided with the cylindrical shell shell fragment 6 that adapts with catch ring 9, the top of cylindrical shell shell fragment 6 tilt in cylindrical shell.For this reason, the cylindrical shell top of sleeve 1 has the cylindrical shell shell fragment 6 that adapts with catch ring 9, the top of cylindrical shell shell fragment 6 tilt in cylindrical shell.
Under the normal condition, the catching that blood taking needle holder 5 is hung arm 3 through elasticity is buckled on the boss that hangs over sleeve 1, makes elasticity extension arm 3 cross elasticity extension arm lock point 7 and snaps in the initial end 8 of draw-in groove; In this case; Blood taking needle holder 5 can bear the dead load that is not less than 50N, and only otherwise applying external force rotation elasticity hangs arm 3, elasticity is hung arm 3 and can be remained in the draw-in groove; Therefore, blood taking needle holder 5 can not become flexible or separate with sleeve 1.During use, blood taking needle is installed on the blood taking needle holder 5, can carries out follow-up blood sampling operation.After blood sampling finishes, recovery cylinder is pushed into sleeve 1 top and rotates recovery cylinder, hang under the function of friction between arm 3 and recovery cylinder in elasticity; Recovery cylinder drives the elasticity extension arm 3 of blood taking needle holder 5 and crosses the lock point, screws out the draw-in groove of sleeve 1, makes elasticity hang arm 3 and backs; Break away from sleeve 1, blood taking needle holder 5 (together with blood taking needle) breaks away from sleeve 1 and falls under the effect of compression spring 4, can be concentrated and reclaim; Avoid the exposure of needle point, safe and reliable.
Claims (6)
1. safety blood taking pin needle holder has the sleeve that adapts with vacuum test tube, and telescopic top is provided with independently blood taking needle holder; The blood taking needle holder is provided with the elasticity that makes progress outward-dipping and hangs arm; Be fitted with the compression spring between blood taking needle holder and the telescopic front end, corresponding elasticity is hung arm and is furnished with the sleeve pipe of touching, and it is characterized in that: telescopic top is provided with draw-in groove; The initial end of draw-in groove is the narrowest, and the top of elasticity extension arm hangs on the sleeve and the top snaps in the initial end of draw-in groove.
2. safety blood taking pin needle holder according to claim 1 is characterized in that: described telescopic inwall is provided with projection, and the top that elasticity is hung arm is provided with the buckle pawl, and the buckle pawl hangs on the telescopic projection.
3. safety blood taking pin needle holder according to claim 1 and 2 is characterized in that: described projection outer is provided with the elasticity of protrusion and hangs arm lock point.
4. safety blood taking pin needle holder according to claim 1 and 2 is characterized in that: described draw-in groove inwall is provided with the elasticity of protrusion and hangs arm lock point.
5. safety blood taking pin needle holder according to claim 1; It is characterized in that: the described sleeve pipe that touches is a back cover recovery cylinder; The oral area outside of back cover recovery cylinder is provided with catch ring, and sleeve is provided with the cylindrical shell shell fragment that adapts with catch ring, the top of cylindrical shell shell fragment tilt in cylindrical shell.
6. safety blood taking pin needle holder according to claim 1 is characterized in that: described blood taking needle holder is provided with the screw thread that matches with the blood taking needle syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459039.6A CN102512182B (en) | 2011-12-31 | 2011-12-31 | Safe needle holder for blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459039.6A CN102512182B (en) | 2011-12-31 | 2011-12-31 | Safe needle holder for blood taking needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102512182A true CN102512182A (en) | 2012-06-27 |
| CN102512182B CN102512182B (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110459039.6A Active CN102512182B (en) | 2011-12-31 | 2011-12-31 | Safe needle holder for blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102512182B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815919A (en) * | 2014-03-20 | 2014-05-28 | 威海鸿宇医疗器械有限公司 | Safe blood-taking-needle holder |
| CN106901755A (en) * | 2017-03-04 | 2017-06-30 | 青岛市中心血站 | A kind of needle holder of safety blood taking needles |
| CN109498171A (en) * | 2019-01-21 | 2019-03-22 | 刘贞宽 | Blood taking needle recover and its component |
| CN110151194A (en) * | 2019-04-02 | 2019-08-23 | 天津华鸿科技股份有限公司 | Hemostix |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991013644A1 (en) * | 1990-03-08 | 1991-09-19 | Nicole Floquet | Needle protection system, for syringe, for blood samples, perfusion, transfusion, etc. |
| CN201356557Y (en) * | 2009-01-17 | 2009-12-09 | 山东新华安得医疗用品有限公司 | Needle holder of safety blood taking needles |
| CN202477704U (en) * | 2011-12-31 | 2012-10-10 | 山东新华安得医疗用品有限公司 | Safe blood taking needle holder |
-
2011
- 2011-12-31 CN CN201110459039.6A patent/CN102512182B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991013644A1 (en) * | 1990-03-08 | 1991-09-19 | Nicole Floquet | Needle protection system, for syringe, for blood samples, perfusion, transfusion, etc. |
| CN201356557Y (en) * | 2009-01-17 | 2009-12-09 | 山东新华安得医疗用品有限公司 | Needle holder of safety blood taking needles |
| CN202477704U (en) * | 2011-12-31 | 2012-10-10 | 山东新华安得医疗用品有限公司 | Safe blood taking needle holder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815919A (en) * | 2014-03-20 | 2014-05-28 | 威海鸿宇医疗器械有限公司 | Safe blood-taking-needle holder |
| CN103815919B (en) * | 2014-03-20 | 2015-12-30 | 威海鸿宇医疗器械有限公司 | Safety blood taking needle needle holder |
| CN106901755A (en) * | 2017-03-04 | 2017-06-30 | 青岛市中心血站 | A kind of needle holder of safety blood taking needles |
| CN109498171A (en) * | 2019-01-21 | 2019-03-22 | 刘贞宽 | Blood taking needle recover and its component |
| CN110151194A (en) * | 2019-04-02 | 2019-08-23 | 天津华鸿科技股份有限公司 | Hemostix |
| CN110151194B (en) * | 2019-04-02 | 2022-04-05 | 天津华鸿科技股份有限公司 | Blood sampler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102512182B (en) | 2014-08-27 |
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Address after: 255086 No. 999, Zunxian Road, high tech Zone, Zibo City, Shandong Province Patentee after: Shandong ande medical supplies Co.,Ltd. Address before: No.77, North Road, development zone, high tech Zone, Zibo City, Shandong Province Patentee before: SHINVA ANDE HEALTHCARE APPARATUS Co.,Ltd. |
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