CN1569268A - Safety indwelled needle with wings for venous transfusion - Google Patents
Safety indwelled needle with wings for venous transfusion Download PDFInfo
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- CN1569268A CN1569268A CN 03141566 CN03141566A CN1569268A CN 1569268 A CN1569268 A CN 1569268A CN 03141566 CN03141566 CN 03141566 CN 03141566 A CN03141566 A CN 03141566A CN 1569268 A CN1569268 A CN 1569268A
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- needle
- puncture needle
- wings
- safeguard protection
- protection shell
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Abstract
A safety type intravenous transfusion retention needle with wings is provided, which comprises puncture assembly, retention cannla assembly, a needle protection cap and a safety casing. The puncture assembly consists of puncture needle wings and puncture needle tubing. The retention assembly comprises a three-way rest, a soft tube, a joint, a sealing member and a retention cannula. The protection casing is a tubular casing, with a lock groove for positioning the root of the puncture wings is provided on the rear end of the casing, in addition, a guiding groove is cut along with the said safety casing length direction from the front end of the locking groove. The front end of the safety casing is connected with the first interface of said three-way rest and the root of the puncture needle wings is set inside of said guiding groove of the protection casing. The present invention can heal the needle in the safety protection casing in the needle tubling pulling out process, which enables the medical care personnel away from the infection of contagious disease due to the puncture accident. The invention has simple and compact structure and low cost.
Description
Technical field
The present invention relates to a kind of disposable medical appliance, relate in particular to the safety venous transfusion remaining needle that uses on the clinical medicine.
Background technology
Existing venous transfusion remaining needle generally comprises puncture needle and the indwelling casing tube that is enclosed within on the puncture needle, is to utilize indwelling casing tube to carry out the venoclysis medicinal liquid to the patient.Because it is flexible that soft indwelling casing tube has, when indwelling casing tube placed vein, indwelling casing tube can be tortuous synchronously with vein, makes the injection site still can freely move, and do not have the anxiety of thorn perforating veins.Therefore, the venous transfusion remaining needle has more the safety of use, and the sense of discomfort when reducing the patient and using.
But this venous transfusion remaining needle is after puncture finishes, and the shielding of puncture needle becomes a big problem.
Though the venous transfusion remaining needle for certain structure has had effective shielding mode, for example, in application number is 9812703.2 Chinese invention patent application, mention a kind of multipurpose high-safety needle staying on vein for automatic infusion, comprise the Y-pipe joint, keep somewhere soft pin, draw point and tube for transfusion; Its first, second tip side axial alignment of Y-pipe joint, the nested rubber cap sleeve of second tip side; Keep somewhere soft pin and be nested in Y-pipe joint first tip side; The draw point sliding sleeve is in sleeve, and sleeve is nested in Y-pipe joint second tip side, and needle body axially places to be kept somewhere in the soft pin; Tube for transfusion serial connection Y-pipe joint the 3rd tip side, medicinal liquid injects in patient's body through keeping somewhere soft pin.After will keeping somewhere soft pin and thrusting patient's vein together with needle body, layback withdraw of the needle body behind the sleeve, making contracts in the needle body is snapped in the sleeve, can avoid needle body to expose thorn takes place injuring infection etc., and can finish injecting program calmly.
But, at the venous transfusion remaining needle of the normally used band wing clinically, still do not find a kind of method of effectively avoiding its needle body to expose, thereby medical personnel are subjected to needle stick injury easily and catch when cleaning or discarded this remaining needle.Especially the used puncture needle of infected patient (for example: hepatitis, AIDS VICTIMS) is stabbed, and consequence is hardly imaginable.
Therefore, for the venous transfusion remaining needle of the band wing, people wait the generation of contingent always at effective screen method of seeking energetically after its puncture needle uses to avoid the mistake puncture.
Summary of the invention
The object of the present invention is to provide a kind of safety venous transfusion remaining needle, make puncture needle from indwelling casing tube withdraws from, obtain shielding synchronously, prevent that fundamentally medical personnel are punctured the generation that acupuncture injures the incident of catching with the wing.
A kind of safety venous transfusion remaining needle provided by the present invention with the wing, comprise puncture needle assembly, indwelling casing tube assembly and needle point helmet, wherein: the puncture needle assembly comprise puncture needle wings and puncture needle tubing, and the afterbody of this needle tubing is fixed on the root of fin; The indwelling casing tube assembly comprises threeway seat, flexible pipe, joint, sealing member and indwelling casing tube, and wherein: described sealing member is fixed in first interface of described threeway seat; First, second interface of described threeway seat is axially to connect, built-in puncture needle assembly, and described puncture needle tubing passes the sealing part, stretches out in outside second interface of threeway seat; One end of described flexible pipe connects described joint, the 3rd interface socket of the other end and described threeway seat; Described indwelling casing tube is sleeved on the described puncture needle tubing; It is characterized in that: it also comprises a safeguard protection shell; This safeguard protection shell is a tubular shell, its length is greater than the length of described puncture needle assembly, and on the shell face of this safeguard protection shell rear end, have one, and link to each other with this locked groove and extend to the guiding conduit of its end along described safeguard protection shell length direction for puncture needle wings root localized locked groove; Again, the front end of described safeguard protection shell is plugged on first interface of described threeway seat, and the root of described puncture needle wings is mediated with the guiding conduit of described safeguard protection shell movably.
The safety venous transfusion remaining needle of the above-mentioned band wing, wherein: have a radial fins that fuses with outside wall surface at threeway seat first interface, this fin and described puncture needle wings are superposed state.
The safety venous transfusion remaining needle of the above-mentioned band wing, wherein: first seam at the threeway seat is provided with at least one draw-in groove, and is provided with the buckle that matches with this draw-in groove at corresponding each draw-in groove of front end of described safeguard protection shell.
The safety venous transfusion remaining needle of the above-mentioned band wing, wherein: the needle tubing of puncture needle assembly is having at least one side opening near needle tip.
The safety venous transfusion remaining needle of the above-mentioned band wing, wherein: the front port of safeguard protection shell is one to form the angular cut of a lowest point by preceding receding, and the lowest point of this angular cut falls on the guiding conduit of described safeguard protection shell.
The safety venous transfusion remaining needle of the above-mentioned band wing, wherein: the indwelling casing tube assembly comprises that also one is clipped in the pipe clamp on the flexible pipe.
Owing to adopted above-mentioned technical solution, in the process that withdraws from the puncture needle tubing normally synchronously with the needle point shielding in the safeguard protection shell, realize that safety abandons, make medical personnel avoid unexpected acupuncture and infect infectious disease.In addition, the present invention is simple in structure, compact, and cost is lower.
Description of drawings
Fig. 1 is the structural representation of the safety venous transfusion remaining needle of the band wing of the present invention;
Fig. 2 is the structural representation of indwelling casing tube assembly of the present invention;
Fig. 3 finishes the structure cut-away view that puncture needle tubing is shielded after puncture needle assembly of the present invention is retracted into the safeguard protection shell;
Fig. 4 is the structural representation of safeguard protection shell of the present invention.
The specific embodiment
As shown in Figure 1, the present invention, promptly a kind of safety venous transfusion remaining needle with the wing is made up of indwelling casing tube assembly 1, safeguard protection shell 2, puncture needle assembly 3 and needle point helmet 4.
As shown in Figure 3, puncture needle assembly 3 comprises puncture needle wings 31 and puncture needle tubing 32, and the afterbody of this needle tubing 32 is bonded on the root of fin 31, and needle tubing is having at least one side opening (not looking among the figure) near needle tip.
Referring to Fig. 1, shown in Figure 2, indwelling casing tube assembly 1 comprises threeway seat 14, flexible pipe 13, joint 11, sealing member 16, indwelling casing tube 15 and is clipped in pipe clamp 12 on the flexible pipe 13.
First, second interface 141,142 of threeway seat 14 is axially to connect, built-in puncture needle assembly 3, and puncture needle tubing 32 passes sealing member 16, stretches out in outside second interface 142 of threeway seat 14.
A fixedly connected fin 145 on the outside wall surface of threeway seat first interface 141, this fin 145 is superposed state with puncture needle wings 31.
One end jointing 11 of flexible pipe 13, the 3rd interface 143 sockets of the other end and threeway seat 14.
Indwelling casing tube 15 is sleeved on the puncture needle tubing 32.
As shown in Figure 4; safeguard protection shell 2 is tubular shells; its length is greater than the length of puncture needle assembly 3; and on the shell face of this safeguard protection shell rear end, have one, and cut guiding conduit 21 from initial Yan'an, the forward position of this locked groove 22 all risk insurance protective case 2 length directions for the localized locked groove 22 of puncture needle wings 31 roots.The front port of safeguard protection shell 2 is one by preceding sweptback angular cut 23, and this angular cut 23 forms a lowest point, and the lowest point of this angular cut falls on the guiding conduit 21 of safeguard protection shell.
Referring to Fig. 1; the front end of safeguard protection shell 2 is plugged on first interface 141 of threeway seat 14; that is: be provided with at least one draw-in groove 144 at first interface, 141 places of threeway seat; and corresponding each draw-in groove 144 of front end at safeguard protection shell 2 is provided with the buckle (not looking among the figure) that matches with this draw-in groove 144, is undertaken fixedly connected by buckle.The root of puncture needle wings 31 drops in the guiding conduit 21 of safeguard protection shell 2.
Venous transfusion remaining needle of the present invention is connected with other medicine machine by joint 11.During use, pull out needle point helmet 4, pinch puncture needle wings 31 and the threeway seat fin 145 that stacks, the puncture needle 32 that is with indwelling casing tube 15 is thrust vein, will push away before the indwelling casing tube assembly 1 then, promote indwelling casing tube 15 and insert vein with hands.Then; puncture needle 32 withdraws from indwelling casing tube 15 backward; and from sealing member 16, extract out, puncture needle wings 31 enters the angular cut 23 of safeguard protection shell, and guiding conduit 21; and continue to draw back; until the locked groove 22 that enters the safeguard protection shell, the root of puncture needle wings 31 can fix in locked groove 22, and locked groove 22 prevention puncture needle wings 31 forward end again move; again safeguard protection shell 2 is withdrawed from from the draw-in groove 144 of threeway seat at last, thereby the safety that realizes puncture needle assembly 3 abandons.In addition, the threeway seat 14 on the indwelling casing tube assembly 1 of the present invention is band wings, not only when puncture, makes things convenient for medical personnel to pinch, and can strengthen in infusion process and the contacting of patient skin, and is fixing easily.
Claims (6)
1, a kind of safety venous transfusion remaining needle with the wing comprises puncture needle assembly (3), indwelling casing tube assembly (1) and needle point helmet (4), wherein:
Puncture needle assembly (3) comprise puncture needle wings (31) and puncture needle tubing (32), and the afterbody of this needle tubing (32) is fixed on the root of fin (31);
Indwelling casing tube assembly (1) comprises threeway seat (14), flexible pipe (13), joint (11), sealing member (16) and indwelling casing tube (15), and wherein: described sealing member (16) is fixed on first of described threeway seat and connects in (141); First, second interface of described threeway seat (14) (141,142) is axially to connect, built-in puncture needle assembly (3), and described puncture needle tubing (32) passes sealing part (16), stretches out in outside second interface (142) of threeway seat (14); One end of described flexible pipe (13) connects described joint (11), the 3rd interface (143) socket of the other end and described threeway seat (14); Described indwelling casing tube (15) is sleeved on the described puncture needle tubing (32);
It is characterized in that:
It also comprises a safeguard protection shell (2);
This safeguard protection shell (2) is a tubular shell, its length is greater than the length of described puncture needle assembly (3), and have one for the localized locked groove of puncture needle wings (31) root (22) on the shell face of this safeguard protection shell rear end, and one links to each other with this locked groove (22) and extends to the guiding conduit (21) of its end along described safeguard protection shell (2) length direction; Again,
The front end of described safeguard protection shell (2) is plugged on first interface (141) of described threeway seat, the root of described puncture needle wings (31) can move axially with guiding conduit (21) engagement of described safeguard protection shell (2).
2, a kind of safety venous transfusion remaining needle according to claim 1 with the wing, it is characterized in that: have a radial fins (145) that fuses with outside wall surface at described threeway seat first interface (141), this fin (145) is superposed state with described puncture needle wings (31).
3, a kind of safety venous transfusion remaining needle according to claim 1 and 2 with the wing; it is characterized in that: first seam at described threeway seat (14) is provided with at least one draw-in groove (144), and is provided with the buckle that matches with this draw-in groove (144) at corresponding each draw-in groove of front end (144) of described safeguard protection shell (2).
4, a kind of safety venous transfusion remaining needle with the wing according to claim 1 and 2 is characterized in that, the needle tubing of described puncture needle assembly (3) is having at least one side opening near needle tip.
5, a kind of safety venous transfusion remaining needle according to claim 1 and 2 with the wing; it is characterized in that: the front port of described safeguard protection shell (2) is an angular cut (23) that forms a lowest point by preceding receding, and the lowest point of this angular cut falls on the guiding conduit (21) of described safeguard protection shell.
6, a kind of safety venous transfusion remaining needle with the wing according to claim 1 and 2 is characterized in that: described indwelling casing tube assembly (1) comprises that also one is clipped in the pipe clamp (12) on the flexible pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03141566 CN1569268A (en) | 2003-07-11 | 2003-07-11 | Safety indwelled needle with wings for venous transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03141566 CN1569268A (en) | 2003-07-11 | 2003-07-11 | Safety indwelled needle with wings for venous transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1569268A true CN1569268A (en) | 2005-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03141566 Pending CN1569268A (en) | 2003-07-11 | 2003-07-11 | Safety indwelled needle with wings for venous transfusion |
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| CN (1) | CN1569268A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068730A (en) * | 2011-01-26 | 2011-05-25 | 天津市百利康泰生物技术有限公司 | Hirudin anticoagulation seal tube kit for vein detained needle |
| CN102119861A (en) * | 2011-01-26 | 2011-07-13 | 天津市百利康泰生物技术有限公司 | Venous indwelling needle with hirudin anticoagulation pipe-sealing device |
| CN102512728A (en) * | 2011-12-31 | 2012-06-27 | 山东新华安得医疗用品有限公司 | Safe indwelling needle |
| CN101428160B (en) * | 2008-03-19 | 2012-07-18 | 陈永曦 | Neilsbed and mounting method |
| CN102641529A (en) * | 2012-05-08 | 2012-08-22 | 江苏苏云医疗器材有限公司 | Indwelling needle |
| WO2014047889A1 (en) * | 2012-09-28 | 2014-04-03 | Zhang Jianming | Soft tube detaining infusion apparatus with combined and connected tube-needle |
| WO2014047891A1 (en) * | 2012-09-28 | 2014-04-03 | Zhang Jianming | Soft tube detaining scalp needle with combined and connected tube-needle |
| CN106924839A (en) * | 2015-12-30 | 2017-07-07 | 江苏阳普医疗科技有限公司 | A kind of safe intravenous infusion needle and its implementation |
-
2003
- 2003-07-11 CN CN 03141566 patent/CN1569268A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428160B (en) * | 2008-03-19 | 2012-07-18 | 陈永曦 | Neilsbed and mounting method |
| CN102119861A (en) * | 2011-01-26 | 2011-07-13 | 天津市百利康泰生物技术有限公司 | Venous indwelling needle with hirudin anticoagulation pipe-sealing device |
| CN102068730A (en) * | 2011-01-26 | 2011-05-25 | 天津市百利康泰生物技术有限公司 | Hirudin anticoagulation seal tube kit for vein detained needle |
| CN102512728A (en) * | 2011-12-31 | 2012-06-27 | 山东新华安得医疗用品有限公司 | Safe indwelling needle |
| CN102512728B (en) * | 2011-12-31 | 2013-07-10 | 山东新华安得医疗用品有限公司 | Safe indwelling needle |
| CN102641529B (en) * | 2012-05-08 | 2014-04-16 | 江苏苏云医疗器材有限公司 | Indwelling needle |
| CN102641529A (en) * | 2012-05-08 | 2012-08-22 | 江苏苏云医疗器材有限公司 | Indwelling needle |
| WO2014047889A1 (en) * | 2012-09-28 | 2014-04-03 | Zhang Jianming | Soft tube detaining infusion apparatus with combined and connected tube-needle |
| WO2014047891A1 (en) * | 2012-09-28 | 2014-04-03 | Zhang Jianming | Soft tube detaining scalp needle with combined and connected tube-needle |
| CN103857428A (en) * | 2012-09-28 | 2014-06-11 | 张建铭 | Hose and needle combined hose-remained scalp needle |
| CN103857424A (en) * | 2012-09-28 | 2014-06-11 | 张建铭 | Hose and needle combined hose-remained infusion apparatus |
| CN103857424B (en) * | 2012-09-28 | 2016-04-06 | 张建铭 | Bobbin general formula flexible pipe retained transfusion device |
| CN103857428B (en) * | 2012-09-28 | 2016-05-25 | 张建铭 | Bobbin general formula flexible pipe indwelling scalp acupuncture |
| CN106924839A (en) * | 2015-12-30 | 2017-07-07 | 江苏阳普医疗科技有限公司 | A kind of safe intravenous infusion needle and its implementation |
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Owner name: KANG DELAI ZHEJIANG MEDICAL DEVICES CO. Free format text: FORMER OWNER: SHANGHAI KANGDELAI ENTERPRISE DEVELOPMENT GROUP CO., LTD. Effective date: 20071116 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20071116 Address after: Yongqiang road in Longwan District of Wenzhou City, Zhejiang Province, No. 252 325000 Applicant after: Zhejiang Kindly Medical Devices Co., Ltd. Address before: 201803 Shanghai Huajiang Road No. 171 Applicant before: Shanghai Kangdelai Enterprise Development Group Co., Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |