CN204246142U - A kind of Y type blood back cavity device and the arterial puncture needle containing this device - Google Patents
A kind of Y type blood back cavity device and the arterial puncture needle containing this device Download PDFInfo
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- CN204246142U CN204246142U CN201420695147.2U CN201420695147U CN204246142U CN 204246142 U CN204246142 U CN 204246142U CN 201420695147 U CN201420695147 U CN 201420695147U CN 204246142 U CN204246142 U CN 204246142U
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- blood back
- back cavity
- puncture needle
- joint
- slide rail
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Abstract
This utility model relates to a kind of medical injection equipment, particularly relates to a kind of Y type blood back cavity device and the arterial puncture needle containing this device.Y type blood back cavity device of the present utility model, comprises Paracentesis needle holder joint, seal wire slide rail joint and blood back cavity branch, and described Paracentesis needle holder joint is fixedly communicated with described seal wire slide rail joint, and described blood back cavity branch is communicated with the side at described seal wire slide rail joint.Arterial puncture needle of the present utility model comprises indwelling casing tube, puncture needle, Y type blood back cavity device.The exhaust joint of arterial puncture needle of the present utility model replaceable Y type blood back cavity device, reduces puncture cost, improves puncture success rate.
Description
Technical field
This utility model relates to a kind of medical injection equipment, particularly relates to a kind of Y type blood back cavity device and the arterial puncture needle containing this device.
Background technology
Arterial puncture needle is used to donor source ABS, to critical patient carry out dynamic vim and vigour electrolyte and arteriotony monitoring, both specimen can be obtained in time, save time for rescuing, local damage repeated localised puncture can being avoided to cause again leads to complications, reduce patient suffering, be beneficial to rescues, treat and the dynamic observation of the state of an illness.Arterial puncture needle has plurality of advantages, as reduce repeated localised puncture cause blood vessel injury, alleviate patient suffering, the rescue for critical patient opens tremulous pulse " green channel ", alleviates the workload of medical personnel.
Western countries' exactissima diligentia puncture safety problem, for a long time the element task of remaining needle as medical treatment is managed, with basic components such as pin, valve, pipe, switch, joint, filtrations, be applied to the medical disposable material of different department, create large-scale transnational medical apparatus corporation, Ltd of several family.And market at home, arterial puncture needle application clinically is also more and more popularize.And in the unspecial manufacturer producing arterial puncture needle at present of China, mainly venous detaining needle is confused in arterial puncture needle, be named iv cannule, this pin is due to production technology comparatively backwardness, mainly can only meet the purposes of venous indwelling, and high as probability of failure during arteriopuncture purposes, product is difficult to meet clinical requirement.Existing iv cannule (arterial puncture needle), puncture failure and due to the whole replacing remaining needle of the contaminated needs of blood back cavity when needing again to puncture, the cost of needs is higher; The blood back cavity of existing remaining needle and needle body are that same level is arranged, when doctor operates, blood back cavity is then positioned under palm, be unfavorable for that operator observes blood back situation, to such an extent as to can not adjust inserting needle direction in time and cause whole lumen of artery puncture failure, or during second time puncture, blood back cavity see blood back and puncture failure; And be not with haemostatic valve, cause bleeding in a large number, and blood also air contact for a long time, strengthen infection potential, also easily occur false blood back (puncture needle in arteries, but inlying catheter is outer at blood vessel), after the withdraw of the needle, inlying catheter can not send into blood vessel, causes puncture failure.
Summary of the invention
In order to overcome the defect of prior art, this utility model provides a kind of Y type blood back cavity device and the arterial puncture needle containing this blood back flowing device.
Y type blood back cavity device of the present utility model, comprises Paracentesis needle holder joint, seal wire slide rail joint and blood back cavity branch, and described Paracentesis needle holder joint is fixedly communicated with described seal wire slide rail joint, and described blood back cavity branch is communicated with the side at described seal wire slide rail joint.
In a preferred embodiment of the present utility model, the tail end of described blood back cavity branch is exhaust joint, and described exhaust joint is connected with described blood back cavity branch is separable, is negative pressure cavity in described exhaust joint.
This utility model also provides a kind of arterial puncture needle, comprising: indwelling casing tube, and described indwelling casing tube comprises body and casing seat, and described body is fixedly communicated with described casing seat; Puncture needle, comprises the needle stand of draw point body and fixing described firm needle body; Y type blood back cavity device, comprises Paracentesis needle holder joint, seal wire slide rail joint and blood back cavity branch, and described Paracentesis needle holder joint is fixedly communicated with described seal wire slide rail joint, and described blood back cavity branch is communicated with the side at described seal wire slide rail joint; Described indwelling casing tube is set in outside described puncture needle, and the Paracentesis needle holder joint of described Y type blood back cavity device is connected with the needle stand of described puncture needle.
In a preferred embodiment of the present utility model, the tail end of the described blood back cavity branch of described arterial puncture needle is exhaust joint, and described exhaust joint is connected with described blood back cavity branch is separable, is negative pressure cavity in described exhaust joint.
In another preferred embodiment of the present utility model, described arterial puncture needle also comprises the exhaust joint of band negative pressure cavity, the described seal wire slide rail fittings of described exhaust joint and described Y type blood back cavity device.
In another preferred embodiment of the present utility model, described arterial puncture needle also comprises Yarn guide component, described Yarn guide component comprises seal wire slide rail and guide wire, described guide wire tail end is provided with the filament guiding seat of fixing guide wire, described seal wire slide rail is connected with the seal wire slide rail joint of described Y type blood back cavity device, described guide wire is located in described puncture needle, and described filament guiding seat is arranged in described seal wire slide rail and also can slides along described seal wire slide rail.
In preferred embodiment of the present utility model, the casing seat of described indwelling casing tube is provided with flow-stop valve, described flow-stop valve is closed and is opened described indwelling casing tube chamber.Closing described flow-stop valve in time successfully exit puncture needle and guide wire when puncturing after, patient's Excessive bleedings can be prevented, also can reduce infection.
Preferably, the casing seat of described indwelling casing tube is provided with fixed-wing.Puncture successfully, utilize described fixed-wing to fix described indwelling casing tube at patient's corresponding site.
Preferably, the needle stand of described puncture needle is provided with Anti-stabbing rustless steel card, described Anti-stabbing Stainless Steel card is arranged in the casing seat both sides of described indwelling casing tube.
Preferably, described casing seat comprises input adapter, and described input adapter is threaded female Luer.
Its blood back cavity branch of Y type blood back cavity device of the present utility model is arranged at the side of Paracentesis needle holder joint, in whole puncture needle body at an angle, such handled easily doctor sees the blood back situation in blood back cavity clearly, can adjust needle angle and inserting needle direction increase puncture success rate in time; The exhaust joint of the end of blood back cavity branch is replaceable in addition, exhaust joint is negative pressure cavity, puncture blood back can enter in exhaust joint fast, when puncture failure needs again to puncture, only need change by the exhaust joint of blood contamination, and do not need whole replacing arterial puncture needle, reduce use cost.The casing seat of indwelling casing tube is provided with flow-stop valve, during puncture, opens flow-stop valve, when the successful guide wire that punctures and puncture needle exit, close flow-stop valve in time, patient's Excessive bleedings can be prevented, reduce and infect probability.Arterial puncture needle of the present utility model utilizes guide wire to guide indwelling casing tube to enter arteries, reduces false blood back situation, adds puncture success rate.
Accompanying drawing explanation
Utilize accompanying drawing to be further described this utility model, but the content in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the structural representation of Y type blood back cavity device in preferred embodiment of the present utility model;
Fig. 2 is the structural representation of a preferred embodiment medium-sized artery puncture needle of the present utility model;
Fig. 3 is the enlarged drawing in region shown in A in Fig. 2;
Fig. 4 is the enlarged drawing in region shown in B in Fig. 2;
Fig. 5 is the enlarged drawing in region shown in C in Fig. 2;
Fig. 6 is the top view after each unit construction of a preferred embodiment medium-sized artery puncture needle of the present utility model;
Fig. 7 is the top view after each unit construction of another preferred embodiment medium-sized artery puncture needle of the present utility model.
Detailed description of the invention
With the following Examples this utility model is further described.
embodiment 1
Be illustrated in figure 1 the structural representation of Y type blood back cavity device in of the present utility model preferred embodiment.It comprises Paracentesis needle holder joint 101, seal wire slide rail joint 102 and blood back cavity branch 103, and described Paracentesis needle holder joint 101 is fixedly communicated with described seal wire slide rail joint 102, and described blood back cavity branch 103 is communicated with the side at described seal wire slide rail joint 102.In the preferred embodiment, the tail end of described blood back cavity branch 103 is exhaust joint 104, and described exhaust joint 104 is connected with described blood back cavity branch 103 is separable, is negative pressure cavity in described exhaust joint 104.
embodiment 2
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, in a preferred embodiment of the present utility model, described arterial puncture needle comprises: indwelling casing tube 200, described indwelling casing tube 200 comprises body 201 and casing seat 202, and described body 201 is fixedly communicated with described casing seat 202, and described casing seat 202 is provided with flow-stop valve 203, the both sides of described casing seat 202 are provided with fixed-wing 205, described casing seat 202 comprise input adapter, 204, described input adapter 204 is threaded female Luer; Puncture needle 300, comprise the needle stand 302 of draw point body 301 and fixing described firm needle body, the both sides of described needle stand 302 are provided with Anti-stabbing rustless steel card 303, and as shown in Figure 6, described Anti-stabbing rustless steel card 303 can be arranged on the both sides of described indwelling casing tube seat 202; Y type blood back cavity device 100, comprise Paracentesis needle holder joint 101, seal wire slide rail joint 102 and blood back cavity branch 103, described puncture needle seated connection 101 is fixedly communicated with described seal wire slide rail joint 102, and described blood back cavity branch 103 is communicated with the side at described seal wire slide rail joint 102; As shown in Figure 6, described indwelling casing tube 200 is set in outside described puncture needle 300, and the Paracentesis needle holder joint 101 of described Y type blood back cavity device 100 is connected with the needle stand 302 of described puncture needle.Described arterial puncture needle also comprises Yarn guide component 400, described Yarn guide component 400 comprises seal wire slide rail 403 and guide wire 401, described guide wire 401 tail end is provided with the filament guiding seat 402 of fixing guide wire 401, described seal wire slide rail 403 is connected with the seal wire slide rail joint 102 of described Y type blood back cavity device 100, described guide wire 401 is located in the draw point body 301 of described puncture needle 300, and described filament guiding seat 402 is arranged in described seal wire slide rail 403 and also can slides along described seal wire slide rail 403.
In another preferred embodiment of the present utility model, the tail end of the described blood back cavity branch 103 of described arterial puncture needle is exhaust joint 104, and described exhaust joint 104 is connected with described blood back cavity branch 103 is separable, is negative pressure cavity in described exhaust joint 104.As shown in Figure 6, in the present embodiment, described arterial puncture needle also comprises dirt-proof boot 500.
embodiment 3
Compared with the arterial puncture needle of embodiment 2, arterial puncture needle in the present embodiment does not comprise Yarn guide component 400, as shown in Figure 7, Yarn guide component in embodiment 2 is replaced with the exhaust joint 600 of band negative pressure cavity by the arterial puncture needle in the present embodiment, described exhaust joint 600 has identical structure with the exhaust joint 104 in Y type blood back cavity device, can mutually replace.
In another preferred embodiment of the present utility model, compared with embodiment 3, described arterial puncture needle does not comprise exhaust joint 600, only includes indwelling casing tube 200, puncture needle 300 and Y type blood back cavity device 100.Its mutual syntagmatic, as embodiment 2, repeats no more herein.
As Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, arterial puncture needle of the present utility model, the cutting edge of the draw point body 301 of puncture needle 300 is kept upwards during use, with about about 40 degree, tremulous pulse is punctured, after the exhaust joint 104 of transparent Y type blood back cavity device 100 sees blood back, with promotion filament guiding seat 401, described filament guiding seat 402 inserts arteries along seal wire slide rail 403 guide wire 401, when guide wire 401 insert arteries be about 20mm time, stop promoting filament guiding seat 402, adjustment rustless steel needle body 301 and tremulous pulse are about about 10 degree, slowly push through the input adapter 204 of indwelling casing tube 200, to guarantee that the body 201 of indwelling casing tube 200 enters arteries smoothly, then seal wire slide rail 403 is loosened, now the needle stand 302 of puncture needle 300 is separated with the input adapter 204 of the casing seat 202 of indwelling casing tube 200, flow-stop valve 203 is touched with left index finger, in case fluid stopping blood, then right handgrip puncture needle 300, Y type blood back cavity device 100 and Yarn guide component 400 together take out, push to flow-stop valve 203 to block the silica gel body 201 of indwelling casing tube simultaneously, in case fluid stopping blood, then the input adapter 204 of indwelling casing tube is pinched with thumb and forefinger, slowly push ahead and make the body 201 of indwelling casing tube 200 enter in tremulous pulse, body 201 part is retained in patient's intra-arterial, with adhesive plaster etc., fixed-wing 205 is fixed on patient's corresponding site simultaneously, and complete arterypuncture process.If first time punctures unsuccessful, and polluted by blood back in the exhaust joint 104 of Y type blood back cavity device 100, before carrying out second time puncture, only need change exhaust joint 104.
When utilizing the puncture of the arterial puncture needle not containing Yarn guide component in embodiment 3, the cutting edge of the draw point body 301 of puncture needle 300 is kept upwards during use, with about about 40 degree, tremulous pulse is punctured, after the exhaust joint 104 of transparent Y type blood back cavity device 100 sees blood back, adjustment rustless steel needle body 301 and tremulous pulse are about about 10 degree, slowly push through the input adapter 204 of indwelling casing tube 200, to guarantee that the body 201 of indwelling casing tube 200 enters arteries smoothly, now the needle stand 302 of puncture needle 300 is separated with the input adapter 204 of the casing seat 202 of indwelling casing tube 200, flow-stop valve 203 is touched with left index finger, in case fluid stopping blood, then right handgrip puncture needle 300, Y type blood back cavity device 100 and exhaust joint 600 together take out, push to flow-stop valve 203 to block the silica gel body 201 of indwelling casing tube simultaneously, in case fluid stopping blood, then the input adapter 204 of indwelling casing tube is pinched with thumb and forefinger, slowly push ahead and make the body 201 of indwelling casing tube 200 enter in tremulous pulse, body 201 part is retained in patient's intra-arterial, with adhesive plaster etc., fixed-wing 205 is fixed on patient's corresponding site simultaneously, and complete arterypuncture process.If first time punctures unsuccessful, and polluted by blood back in the exhaust joint 104 of Y type blood back cavity device 100, change exhaust joint 104 and exhaust joint 600 before carrying out second time puncture, or only change one of them exhaust joint.
Arterial puncture needle of the present utility model, can meet the requirement of the operator of different puncture custom, as blood vessel through-transmission technique and non-through-transmission technique; Utilize guide wire to guide and fast and accurately indwelling casing tube body can be pushed patient's intra-arterial, improve puncture success rate; Blood back part is arranged to Y type blood back cavity device, namely handled easily person can observes blood back situation, when needs second time punctures, easily can change exhaust joint fast again, and second time puncture can be carried out rapidly; Indwelling casing tube arranges flow-stop valve, can reduce and bleed in a large number, the contact of blood and air can be completely cut off in time, reduce and infect probability, can also handled easily person operate; The blood back cavity branch tail end of Y type blood back cavity device is set to the exhaust joint being with negative pressure cavity, can observe blood back situation fast.As shown in Figure 7, Yarn guide component can be replaced the exhaust joint of band negative pressure cavity, facilitates doctor to adopt multiple puncture mode.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model but not restriction to this utility model protection domain; although be explained in detail this utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. a Y type blood back cavity device, it is characterized in that, comprise Paracentesis needle holder joint, seal wire slide rail joint and blood back cavity branch, described Paracentesis needle holder joint is fixedly communicated with described seal wire slide rail joint, and described blood back cavity branch is communicated with the side at described seal wire slide rail joint.
2. Y type blood back cavity device as claimed in claim 1, it is characterized in that, the tail end of described blood back cavity branch is exhaust joint, and described exhaust joint is connected with described blood back cavity branch is separable, is negative pressure cavity in described exhaust joint.
3. an arterial puncture needle, is characterized in that, comprising:
Indwelling casing tube, described indwelling casing tube comprises body and casing seat, and described body is fixedly communicated with described casing seat;
Puncture needle, comprises the needle stand of draw point body and fixing described firm needle body;
Y type blood back cavity device, comprises Paracentesis needle holder joint, seal wire slide rail joint and blood back cavity branch, and described Paracentesis needle holder joint is fixedly communicated with described seal wire slide rail joint, and described blood back cavity branch is communicated with the side at described seal wire slide rail joint;
Described indwelling casing tube is set in outside described puncture needle, and the Paracentesis needle holder joint of described Y type blood back cavity device is connected with the needle stand of described puncture needle.
4. arterial puncture needle as claimed in claim 3, it is characterized in that, the tail end of described blood back cavity branch is exhaust joint, and described exhaust joint is connected with described blood back cavity branch is separable, is negative pressure cavity in described exhaust joint.
5. the arterial puncture needle as described in claim 3 or 4, it is characterized in that, described arterial puncture needle also comprises Yarn guide component, described Yarn guide component comprises seal wire slide rail and guide wire, described guide wire tail end is provided with the filament guiding seat of fixing guide wire, described seal wire slide rail is connected with the seal wire slide rail joint of described Y type blood back cavity device, and described guide wire is located in described puncture needle, and described filament guiding seat is arranged in described seal wire slide rail and also can slides along described seal wire slide rail.
6. the arterial puncture needle as described in claim 3 or 4, is characterized in that, the casing seat of described indwelling casing tube is provided with flow-stop valve, and described flow-stop valve is closed and opened described indwelling casing tube chamber.
7. arterial puncture needle as claimed in claim 3, is characterized in that, also comprises the exhaust joint of band negative pressure cavity, the described seal wire slide rail fittings of described exhaust joint and described Y type blood back cavity device.
8. arterial puncture needle as claimed in claim 3, is characterized in that, the casing seat of described indwelling casing tube is provided with fixed-wing.
9. arterial puncture needle as claimed in claim 3, it is characterized in that, the needle stand of described puncture needle is provided with Anti-stabbing rustless steel card, described Anti-stabbing Stainless Steel card is arranged in the casing seat both sides of described indwelling casing tube.
10. arterial puncture needle as claimed in claim 3, it is characterized in that, described casing seat comprises input adapter, and described input adapter is threaded female Luer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695147.2U CN204246142U (en) | 2014-11-19 | 2014-11-19 | A kind of Y type blood back cavity device and the arterial puncture needle containing this device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695147.2U CN204246142U (en) | 2014-11-19 | 2014-11-19 | A kind of Y type blood back cavity device and the arterial puncture needle containing this device |
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| Publication Number | Publication Date |
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| CN204246142U true CN204246142U (en) | 2015-04-08 |
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| CN201420695147.2U Active CN204246142U (en) | 2014-11-19 | 2014-11-19 | A kind of Y type blood back cavity device and the arterial puncture needle containing this device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323784A (en) * | 2014-11-19 | 2015-02-04 | 广州健恩医疗设备有限公司 | Y-type blood-return cavity device and artery puncture needle comprising same |
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2014
- 2014-11-19 CN CN201420695147.2U patent/CN204246142U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323784A (en) * | 2014-11-19 | 2015-02-04 | 广州健恩医疗设备有限公司 | Y-type blood-return cavity device and artery puncture needle comprising same |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Effective date of registration: 20151230 Address after: Xicha Road, Baiyun District of Guangzhou City, Guangdong province 510400 No. 827 No. 13 Building 5 floor Patentee after: GUANGZHOU TUOPU MEDICAL EQUIPMENT CO., LTD. Address before: 510000, No. 10, Cheng Cheng Dong Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee before: Guangzhou Jian'en Medical Equipment Co., Ltd. |