CN102836479A - Security-type venous indwelling needle - Google Patents
Security-type venous indwelling needle Download PDFInfo
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- CN102836479A CN102836479A CN2012103384771A CN201210338477A CN102836479A CN 102836479 A CN102836479 A CN 102836479A CN 2012103384771 A CN2012103384771 A CN 2012103384771A CN 201210338477 A CN201210338477 A CN 201210338477A CN 102836479 A CN102836479 A CN 102836479A
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Abstract
The invention discloses a security-type venous indwelling needle. The security-type venous indwelling needle comprises an indwelling needle catheter assembly, a needle tubing assembly and a solution infusion joint assembly, and is characterized in that the catheter assembly comprises an indwelling needle catheter and a catheter base connected behind the indwelling needle catheter; the needle tubing assembly comprises a notch needle tubing and a needle bed, wherein the front part of the notch needle tubing is provided with a side notch, a notch steel needle is inserted in a catheter and the catheter base; the tail part is provided with the needle bed which is exposed out of the catheter base; a plastic joint matched with the inner wall of the catheter base is arranged between the rear part of the catheter base and the needle bed; a needle tip protective stainless steel elastic sheet with a back hook is arranged in the plastic joint; the notch steel needle runs through the needle tip protective stainless steel elastic sheet and the plastic joint and extends in the catheter. According to the invention, the plastic joint is added on the front end of a needle handle, the dangerous needle tip of the front end is packed automatically when the steel needle is pushed out, so that the steel needle with blood after a transfusion is prevented from accidentally injuring doctors or other persons, the possibility of infection of viruses remained on the tip end of the steel needle is reduced, and meanwhile the venous indwelling needle does not pollution the environment.
Description
Technical field
the present invention relates to a kind of transfusion and use medical apparatus and instruments, specifically belong to a kind of safe type retention needle.
Background technology
remaining needle be in the medical treatment when needs repeatedly carry out infusion treatment within a certain period of time, in order to alleviate the painful medical device that reduces medical personnel's workload again simultaneously and often use of sufferer.Existing common remaining needle mainly is made up of conduit, catheter block, needle tubing and needle stand, and the side of catheter block is connected with tube for transfusion.And existing safety indwelling needle all strikes the flat needle tubing distortion place external diameter that makes with the slotted eye below of draw point and blocks rustless steel card with holes greater than the draw point diameter.When the patient infused, medical personnel's flexible catheter that needle tubing and needle tubing is outside together punctured and gets into patient's vein, and the clamping needle stand is extracted needle tubing then, and flexible catheter and catheter block are stayed the confession use of repeatedly infusing.The blood that has the patient after yet needle tubing is extracted is exposed to the outside, because the needle tubing top has no protector in the existing needle tubing assembly of common remaining needle; Its sharp needle point is easy under careless situation, prick medical personnel, patient or other people; The person is damaged, even can cause the infection of some diseases, not only stay potential safety hazard; Arbitrarily put simultaneously, also pollute the environment.And the needle tubing of existing safety indwelling needle is struck the easy risk that is fractureed that exists in flat back, causes new unsafe factor.
Summary of the invention
the present invention seeks to: a kind of safe type retention needle is provided, and this needle point safety guard is simple in structure, humanization designing; Easy to use, not increasing under the prerequisite of medical personnel's transfusion operation step, used draw point is protected; Draw point is to the unexpected injury of the person after can avoiding infusing; The probability that elimination catches, the protection environment, security performance is significantly improved.
technical scheme of the present invention is: a kind of safety venous detaining needle; Comprise indwelling needle catheter assembly, needle tubing assembly, annotate the infusion connector assembly; It is characterized in that: the catheter block that said conduit tube component comprises indwelling needle catheter and is connected the indwelling needle catheter back; Said needle tubing assembly comprises notch needle tubing, needle stand, and the front portion of said notch draw point is provided with the side channel hole, and the notch draw point is plugged in conduit and catheter block is inner; Afterbody is provided with the needle stand that is exposed to catheter block; Be provided with the adapter of plastic that cooperates with the catheter block inwall between the rear portion of said catheter block and the needle stand, adapter of plastic inside is provided with takes back the needle point guard rustless steel flexure strip that colludes, and the notch draw point passes needle point guard rustless steel flexure strip and adapter of plastic stretches in the conduit.
are preferred; Returning of expanding in the upper end of said needle point guard rustless steel flexure strip is provided with colluded, and the bottom is provided with catch, and the space between the catch is less than the diameter of notch needle tubing; When being inserted with the notch needle tubing in the adapter of plastic; Catch is overhanged by the notch needle tubing, and returning of needle point guard rustless steel flexure strip colluded on the outer wall that fits snugly in the notch needle tubing at this moment, when the needle point of notch needle tubing retreats in the adapter of plastic that just in time submerges; The returning to collude of rustless steel flexure strip just in time is embedded in the slotted eye, and returning of rustless steel flexure strip caught on slotted eye adapter of plastic is pulled out catheter block when the notch needle tubing continued to withdraw from.
are preferred; Said adapter of plastic comprises steel pinhole and flexure strip holder; Some needle point guard rustless steel flexure strips evenly are embedded in the flexure strip holder, and said adapter of plastic upper end external diameter cooperates with the internal diameter of catheter block is spacing, and the upper end external diameter is a bit larger tham the internal diameter of catheter block; When pulling capacity during greater than spacing combining ability, adapter of plastic and catheter block are separated.
are preferred; Said notes infusion connector assembly comprises flow-stopping clip, long duct, calparine cap, the defeated joint of notes and end cap, and said long duct is connected on the catheter block, is furnished with flow-stopping clip on the long duct; Annotate defeated joint and be provided with calparine cap, opposite side is provided with end cap.
are preferred, are provided with metal wedge, batching pig in the said catheter block.
Advantage of the present invention is:
Adapter of plastic has been set up at the needle handle front end in
1. the present invention; Needle point automatically that front end is dangerous when draw point is extracted wraps up; Avoided the draw point of transfusion back band blood that medical personnel or other people are caused unexpected injury; Also reduced the probability of staying the most advanced and sophisticated viral communication of draw point, can not pollute simultaneously environment.
2. the present invention are provided with a plurality of times and collude in adapter of plastic, the optional position of draw point in adapter of plastic in the withdrawal process makes draw point to advance and to extract, and have guaranteed the accuracy of transfusion.
The locking method that slotted eye catches on is adopted in
3. the present invention, has kept notch draw point original toughness and rigidity.Reduced the medical-risk that causes of draw point fracture.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the cutaway view of adapter of plastic;
Fig. 2 is the vertical view of adapter of plastic
Fig. 3 uses the structural representation of preceding state for the rustless steel flexure strip;
Fig. 4 is the structural representation one of state in the use of rustless steel flexure strip;
Fig. 5 is the structural representation two of state in the use of rustless steel flexure strip;
The rustless steel flexure strip returned the structural representation that catches on slotted eye when Fig. 6 extracted for draw point;
Fig. 7 is a rustless steel flexure strip structural representation;
Fig. 8 is adapter of plastic and the spacing sketch map that cooperates of catheter block;
Fig. 9 is the general assembly sketch map of safe type retention needle.
wherein: 1, conduit; 2, catheter block; 3, metal wedge; 4, batching pig; 5, notch draw point; 6, needle stand; 7, adapter of plastic; 8, rustless steel flexure strip; 9, slotted eye; 10, the rustless steel flexure strip returns and colludes; 11, rustless steel flexure strip catch; 12, annotate defeated joint; 13, needle tubing sheath; 14, flow-stopping clip; 15, long duct; 16, calparine cap; 17, steel pinhole; 18, flexure strip holder; 19, end cap.
The specific embodiment
embodiment: to shown in Figure 4, the catheter block 2 that said conduit tube component comprises indwelling needle catheter 1 and is connected indwelling needle catheter 1 back is provided with metal wedge 3, batching pig 4 in the said catheter block 2 like Fig. 1.Said needle tubing assembly comprises notch needle tubing 5, needle stand 6; The front portion of said notch draw point 5 is provided with side channel hole 9; Notch draw point 5 is plugged in conduit 1 and catheter block 2 inside, and afterbody is provided with the needle stand 6 that is exposed to catheter block 2, is provided with the adapter of plastic 7 that cooperates with catheter block 2 inwalls between the rear portion of said catheter block 2 and the needle stand 6; Adapter of plastic 7 inside are provided with to take back colludes 10 needle point guard rustless steel flexure strip 8, and notch draw point 5 passes needle point guard rustless steel flexure strip 8 and stretches in the conduit 1 with adapter of plastic 7.
are as shown in Figure 7; Returning of expanding in the upper end of said needle point guard rustless steel flexure strip 8 is provided with colludes 10, and the bottom is provided with catch 11, and the space between the catch 11 is less than the diameter of notch needle tubing 5; When being inserted with notch needle tubing 5 in the adapter of plastic 7; Catch 11 is overhanged by notch needle tubing 5, this moment the returning and collude 10 and fit snugly on the outer wall of notch needle tubing 5 of needle point guard rustless steel flexure strip 8, when the needle point of notch needle tubing 5 retreats in the adapter of plastic 7 that just in time submerges; The returning of rustless steel flexure strip 8 colluded 10 and just in time to be embedded in the slotted eye 9, and returning of rustless steel flexure strip 8 colluded 10 and caught on slotted eye 9 adapter of plastic 7 is pulled out catheter block 2 when notch needle tubing 5 continued to withdraw from.
said rustless steel flexure strip 8 is stamped to form by stainless steel substrates.
are as shown in Figure 1; Said adapter of plastic 7 comprises steel pinhole 12 and flexure strip holder 18; Some needle point guard rustless steel flexure strips 8 evenly are embedded in the flexure strip holder 18, and said adapter of plastic 7 upper end external diameters cooperate with the internal diameter of catheter block 2 is spacing, and the upper end external diameter is a bit larger tham the internal diameter of catheter block 2; When pulling capacity during greater than spacing combining ability, adapter of plastic 7 is separated with catheter block 2.
are as shown in Figure 9; Said notes infusion connector assembly comprises flow-stopping clip 14, long duct 15, calparine cap 16, annotates defeated joint 12 and end cap 19; Said long duct 15 is connected on the catheter block 2; Be furnished with flow-stopping clip 14 on the long duct 15, annotate defeated joint 12 and be provided with calparine cap 16, opposite side is provided with end cap 19.
Operation principle of the present invention is following:
Before use
; Notch draw point 5 passes adapter of plastic 7; The catch 11 of rustless steel flexure strip 8 can be strutted by notch draw point 5, and returning of rustless steel flexure strip 8 colluded 10 and also strutted simultaneously, and the catch 11 that makes rustless steel flexure strip 8 colludes 10 and closely cooperates and notch draw point 5 outer walls with returning.
When use
,, the notch draw point 5 that is with conduit 1 is thrust vein, then notch draw point 5 is withdrawed from conduit 1 backward with hands clamping needle stand 6, and extraction from the metal wedge 3 of catheter block 2 and batching pig 4.When notch draw point 5 is extracted, in case when notch draw point 5 retreated to slotted eye 9, the returning of rustless steel flexure strip 8 colluded 10 and can be embedded in the slotted eyes 9.Owing to there be returning of several rustless steel flexure strips 8 collude 10, so the side channel hole 9 of notch draw point 5 is torqued into and arbitrarily angledly all can be caught on.When after this pulling out notch draw point 5 toward the outside again, final adapter of plastic 7 is along with needle stand 6 and notch draw point 5 are extracted disengaging catheter block 2 together, and the needle point of notch draw point is limited in no longer having danger in this adapter of plastic at this moment.
like this; Needle point automatically that front end is dangerous when the present invention pulls out notch draw point 5 protects; Avoided the draw point of transfusion back band blood that medical personnel or other people are caused unexpected injury, also reduced the probability of staying the most advanced and sophisticated viral communication of draw point, made medical personnel need not especially note carefully placing needle tubing; And can not change the use habit of vein puncture, convenient and practical.
the foregoing description certainly only are explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All modifications that the spirit of main technical schemes is done according to the present invention all should be encompassed within protection scope of the present invention.
Claims (5)
1. safety venous detaining needle; Comprise indwelling needle catheter assembly, needle tubing assembly, annotate the infusion connector assembly; It is characterized in that: the catheter block (2) that said conduit tube component comprises indwelling needle catheter (1) and is connected indwelling needle catheter (1) back; Said needle tubing assembly comprises notch needle tubing (5), needle stand (6); The front portion of said notch draw point (5) is provided with side channel hole (9); Notch draw point (5) is plugged in conduit (1) and catheter block (2) inside, and afterbody is provided with the needle stand (6) that is exposed to catheter block (2), is provided with the adapter of plastic (7) that cooperates with catheter block (2) inwall between the rear portion of said catheter block (2) and the needle stand (6); Adapter of plastic (7) inside is provided with takes back the needle point guard rustless steel flexure strip (8) that colludes (10), and notch draw point (5) passes needle point guard rustless steel flexure strip (8) and adapter of plastic (7) stretches in the conduit (1).
2. safety venous detaining needle according to claim 1; It is characterized in that: (10) are colluded in returning of expanding in the upper end of said needle point guard rustless steel flexure strip (8) is provided with; The bottom is provided with catch (11); Space between the catch (11) is less than the diameter of notch needle tubing (5); When being inserted with notch needle tubing (5) in the adapter of plastic (7); Catch (11) is overhanged by notch needle tubing (5), and the returning of needle point guard rustless steel flexure strip this moment (8) colluded on the outer wall that (10) fit snugly in notch needle tubing (5), when the needle point of notch needle tubing (5) retreats in the adapter of plastic that just in time submerges (7); The returning of rustless steel flexure strip (8) colluded (10) and just in time to be embedded in the slotted eye (9), notch needle tubing (5) when continuing to withdraw from returning of rustless steel flexure strip (8) collude (10) and catch on slotted eye (9) adapter of plastic (7) is pulled out catheter block (2).
3. safety venous detaining needle according to claim 1; It is characterized in that: said adapter of plastic (7) comprises steel pinhole (12) and flexure strip holder (18); Some needle point guard rustless steel flexure strips (8) evenly are embedded in the flexure strip holder (18); The spacing cooperation of internal diameter of said adapter of plastic (7) upper end external diameter and catheter block (2); The upper end external diameter is a bit larger tham the internal diameter of catheter block (2), and when pulling capacity during greater than spacing combining ability, adapter of plastic (7) is separated with catheter block (2).
4. safety venous detaining needle according to claim 1; It is characterized in that: said notes infusion connector assembly comprises flow-stopping clip (14), long duct (15), calparine cap (16), annotates defeated joint (12) and end cap (19); Said long duct (15) is connected on the catheter block (2); Is furnished with flow-stopping clip (14) on the long duct (15); Annotate defeated joint (12) and be provided with calparine cap (16), opposite side is provided with end cap (19), and said notes infusion connector also can be needleless joint, positive pressure connector or other joints.
5. safety venous detaining needle according to claim 1 is characterized in that: be provided with metal wedge (3), batching pig (4) in the said catheter block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210338477.1A CN102836479B (en) | 2012-09-13 | 2012-09-13 | Security-type venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210338477.1A CN102836479B (en) | 2012-09-13 | 2012-09-13 | Security-type venous indwelling needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102836479A true CN102836479A (en) | 2012-12-26 |
| CN102836479B CN102836479B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210338477.1A Active CN102836479B (en) | 2012-09-13 | 2012-09-13 | Security-type venous indwelling needle |
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| CN (1) | CN102836479B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110997A (en) * | 2013-03-14 | 2013-05-22 | 苏州大学 | Straight type single-hand remaining needle |
| CN103463691A (en) * | 2013-09-26 | 2013-12-25 | 青岛大学医学院附属医院 | Venous indwelling needle for hemodialysis |
| WO2014169427A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Connecting plug component of telescoping protected indwelling needle |
| CN105107058A (en) * | 2015-09-22 | 2015-12-02 | 四川省人民医院 | Oval diversion safe indwelling needle |
| EP2968842A2 (en) * | 2013-03-14 | 2016-01-20 | Hollister Incorporated | Urinary catheters with protective tip |
| CN106730146A (en) * | 2017-01-24 | 2017-05-31 | 盛林 | A kind of Novel anti-stab hinders transfusion needle |
| CN106730147A (en) * | 2017-02-15 | 2017-05-31 | 苏州鑫康道医疗科技有限公司 | Continuous positive pressure remaining needle |
| CN107088241A (en) * | 2017-05-18 | 2017-08-25 | 盛林 | A kind of Novel anti-stab hinders precision filter infusion set |
| CN108065987A (en) * | 2016-11-14 | 2018-05-25 | 江苏阳普医疗科技有限公司 | A kind of safety bushing pin |
| CN108578825A (en) * | 2018-05-17 | 2018-09-28 | 北京仰生恒泰科技有限责任公司 | A kind of closure type intravenous infusion line device |
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| CN202822325U (en) * | 2012-09-13 | 2013-03-27 | 苏州林华医疗器械有限公司 | Secure venous indwelling needle |
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| CN201164650Y (en) * | 2007-09-28 | 2008-12-17 | 桂茶华 | Ultra thin type venous indwelling needle with negative-pressure |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2968842B1 (en) * | 2013-03-14 | 2022-07-20 | Hollister Incorporated | Urinary catheters with protective tip |
| CN103110997A (en) * | 2013-03-14 | 2013-05-22 | 苏州大学 | Straight type single-hand remaining needle |
| EP2968842A2 (en) * | 2013-03-14 | 2016-01-20 | Hollister Incorporated | Urinary catheters with protective tip |
| EP4085962A1 (en) * | 2013-03-14 | 2022-11-09 | Hollister Incorporated | Urinary catheters with protective tip |
| WO2014169427A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Connecting plug component of telescoping protected indwelling needle |
| CN103463691A (en) * | 2013-09-26 | 2013-12-25 | 青岛大学医学院附属医院 | Venous indwelling needle for hemodialysis |
| CN103463691B (en) * | 2013-09-26 | 2015-06-10 | 青岛大学医学院附属医院 | Venous indwelling needle for hemodialysis |
| CN105107058A (en) * | 2015-09-22 | 2015-12-02 | 四川省人民医院 | Oval diversion safe indwelling needle |
| CN105107058B (en) * | 2015-09-22 | 2018-11-02 | 四川省人民医院 | A kind of ellipse shunt safety type remaining needle |
| CN108065987A (en) * | 2016-11-14 | 2018-05-25 | 江苏阳普医疗科技有限公司 | A kind of safety bushing pin |
| CN108065987B (en) * | 2016-11-14 | 2023-10-31 | 江苏威茂医疗科技有限公司 | Safe type sleeve needle |
| CN106730146A (en) * | 2017-01-24 | 2017-05-31 | 盛林 | A kind of Novel anti-stab hinders transfusion needle |
| CN106730147A (en) * | 2017-02-15 | 2017-05-31 | 苏州鑫康道医疗科技有限公司 | Continuous positive pressure remaining needle |
| CN107088241A (en) * | 2017-05-18 | 2017-08-25 | 盛林 | A kind of Novel anti-stab hinders precision filter infusion set |
| CN108578825A (en) * | 2018-05-17 | 2018-09-28 | 北京仰生恒泰科技有限责任公司 | A kind of closure type intravenous infusion line device |
| CN108578825B (en) * | 2018-05-17 | 2023-11-24 | 浙江百获健康科技有限公司 | Plugging type intravenous infusion catheter device |
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| CN102836479B (en) | 2014-04-09 |
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Address after: Wuzhong District Mudu town of Suzhou city in Jiangsu Province, 215101 Shandong Road No. 98 Patentee after: SUZHOU LINHUA MEDICAL INSTRUMENT CO., LTD. Address before: Wuzhong District Mudu town of Suzhou city in Jiangsu Province, 215101 Shandong Road No. 98 Patentee before: Linhua Medical Appliances Co., Ltd., Suzhou |