CN201609542U - Closed type arteriovenous indwelling needle for no-needle blood sampling - Google Patents
Closed type arteriovenous indwelling needle for no-needle blood sampling Download PDFInfo
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- CN201609542U CN201609542U CN2010200613898U CN201020061389U CN201609542U CN 201609542 U CN201609542 U CN 201609542U CN 2010200613898 U CN2010200613898 U CN 2010200613898U CN 201020061389 U CN201020061389 U CN 201020061389U CN 201609542 U CN201609542 U CN 201609542U
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- needle
- indwelling
- blood sampling
- indwelling needle
- projection
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 abstract 7
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 210000004369 blood Anatomy 0.000 description 21
- 239000008280 blood Substances 0.000 description 21
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001802 infusion Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 241000282887 Suidae Species 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a closed type arteriovenous indwelling needle for no-needle blood sampling, which comprises a puncture needle assembly, an indwelling sleeve assembly and a needle point protection cap. The puncture needle assembly comprises a puncture needle stand and a puncture needle tube. The indwelling sleeve assembly comprises an indwelling needle conduit seat with an indwelling needle conduit at the front part. The indwelling needle conduit seat is internally provided with an insulation stopper. The puncture needle tube penetrates the insulation stopper and is then inserted into the indwelling needle conduit. The insulation stopper has a buckle-shaped structure with a frontward opening. The inner back wall of the insulation stopper is provided with a projection. A plurality of reinforcing ribs are provided between the projection and the inner side wall of the insulation stopper. The back end wall of the insulation stopper is provided with an incision which penetrates the projection. The incision of the insulation stopper in the utility model can open for forming a path after force bearing, and can automatically close the path when the external force disappears. A foundation is laid for realizing no-needle blood sampling of indwelling needle.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of needleless transfusion apparatus of can taking a blood sample.
Background technology
Existing remaining needle comprises puncture needle assembly, indwelling casing tube assembly and needle point helmet, wherein the puncture needle assembly comprises puncture needle needle stand and puncture needle tubing, the indwelling casing tube assembly comprises threeway catheter block, long duct, long duct seat, sealing member, wherein the front portion of indwelling needle catheter seat is provided with indwelling needle catheter in the threeway catheter block, be provided with batching pig in the indwelling needle catheter seat, the puncture needle tubing inserts in the indwelling needle catheter after passing batching pig.At present clinically, remaining needle is mainly used in transfusion, and vein is taked blood sample all to be equipped with blood taking needle with vacuum test tube to take a blood sample in vein blood vessel, and blood sampling all is to separate to carry out with infusing, and carries out repeatedly venipuncture, causes the sufferer misery.
Summary of the invention
This utility model purpose is: a kind of needleless blood sampling hermetic type iv cannule is provided, the otch of batching pig not only forms path at stressed back expansible in this utility model, and after disappearing, external force can close path automatically again, during use, after extracting the puncture needle assembly, can repeatedly take a blood sample by connecting non-puncture type hemostix, thereby avoid the repeatedly puncture of patient, alleviate the misery of sufferer greatly because of taking blood sample to cause.
The technical solution of the utility model is: a kind of needleless blood sampling hermetic type iv cannule, comprise the puncture needle assembly, indwelling casing tube assembly and needle point helmet, described puncture needle assembly comprises puncture needle needle stand and puncture needle tubing, described indwelling casing tube assembly comprises that the front portion is provided with the indwelling needle catheter seat of indwelling needle catheter, be provided with batching pig in the indwelling needle catheter seat, the puncture needle tubing inserts in the indwelling needle catheter after passing batching pig, described batching pig is opening barrel-like structure forward, the interior rear wall of batching pig convexes with projection, be connected with some reinforcements between the leading section of projection and the medial wall of batching pig, the aft bulkhead of batching pig is provided with a yi word pattern otch that runs through projection.
Described indwelling needle catheter seat can be through-type catheter block, also can be the triplet type catheter block.When the indwelling needle catheter seat was the triplet type catheter block, described indwelling casing tube assembly also comprised the long duct that is connected with the bypass connector of indwelling needle catheter seat, the long duct seat, the calparine cap that are connected with long duct and is folded in flow-stopping clip on the long duct.
This utility model advantage is:
1. when this utility model uses, after extracting the puncture needle assembly, reach the non-puncture type hemostix that is connected with indwelling needle catheter seat afterbody and can repeatedly take a blood sample by the indwelling needle catheter in vein blood vessel or arteries, indwelling needle catheter seat, thereby avoided the repeatedly puncture of patient, alleviated the misery of sufferer greatly because of taking blood sample to cause.
2. the aft bulkhead of batching pig of the present utility model is provided with otch, and be connected with some reinforcements between the medial wall of its projection and batching pig body, therefore the otch of this batching pig not only forms path at stressed back expansible, and after external force disappears, can close path automatically again, lay a good foundation for realizing the blood sampling of remaining needle needleless.
3. this utility model makes this remaining needle can be connected reliably with non-puncture type hemostix after extracting the puncture needle assembly in the externally threaded setting of the afterbody of indwelling needle catheter seat, and then makes the blood collection procedure can safe and reliable carrying out.
Description of drawings
Structural representation when Fig. 1 is through-type catheter block for the mid-needle guide base of this utility model;
Structural representation when Fig. 2 is the triplet type catheter block for the mid-needle guide base of this utility model;
Fig. 3 is the cutaway view of batching pig in this utility model;
Fig. 4 is the rearview of batching pig in this utility model;
User mode figure when Fig. 5, Fig. 6 are through-type catheter block for the mid-needle guide base of this utility model;
User mode figure when Fig. 7, Fig. 8 are the triplet type catheter block for the mid-needle guide base of this utility model;
Wherein: 10 puncture needle assemblies; 11 puncture needle needle stands; 12 puncture needle tubings;
20 keep somewhere grip assembly; 21 indwelling needle catheters; 22 indwelling needle catheter seats; The through-type catheter block of 22a; 22b triplet type catheter block; 23 batching pigs; 231 projectioies; 232 reinforcements; 233 endoporus; 234 otch; 24 long ducts; 25 long duct seats; 26 calparine caps; 27 flow-stopping clips;
30 needle point helmets;
40 non-puncture type hemostixes; 41 blood taking needle assemblies; 42 conduits; 43 joints; 431 screwed unions; 4311 insertion sections; 4312 clamping rings; 432 cassette joints; 4321 insertion sections.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described:
Embodiment: as shown in Figures 1 to 4, a kind of needleless blood sampling hermetic type iv cannule, comprise puncture needle assembly 10, indwelling casing tube assembly 20 and needle point helmet 30, described puncture needle assembly 10 comprises puncture needle needle stand 11 and puncture needle tubing 12, described indwelling casing tube assembly 20 comprises that the front portion is provided with the indwelling needle catheter seat 22 of indwelling needle catheter 21, be provided with batching pig 23 in the indwelling needle catheter seat 22, puncture needle tubing 12 passes batching pig 23 backs and inserts in the indwelling needle catheter 21, described batching pig 23 is opening barrel-like structure forward, the interior rear wall of batching pig 23 convexes with projection 231, be connected with four reinforcements 232 between the leading section of projection 231 and the medial wall of batching pig 23, the aft bulkhead of batching pig 23 is provided with a yi word pattern otch 234 that runs through projection 231.Among the figure of present embodiment, above-mentioned protruding 231 is the spherical crown shape, can also be other multiple shapes certainly.
The afterbody of described indwelling needle catheter seat 22 is provided with external screw thread, and externally threaded this remaining needle that is arranged so that can be connected reliably with non-puncture type hemostix 40 after extracting puncture needle assembly 10, and then makes the blood collection procedure can safe and reliable carrying out.
Described indwelling needle catheter seat 22 can be through-type catheter block 22a (as shown in Figure 1), also can be triplet type catheter block 22b (as shown in Figure 2).When indwelling needle catheter seat 22 was triplet type catheter block 22b, described indwelling casing tube assembly 20 also comprised the long duct 24 that is connected with the bypass connector of indwelling needle catheter seat 22, the long duct seat 25 that is connected with long duct 24, calparine cap 26 and is folded in flow-stopping clip 27 on the long duct 24.Certainly, this indwelling needle catheter seat 22 can also be four-way type catheter block, and promptly the side at triplet type catheter block 22b increases a bypass interface again.
Below exemplify the use explanation of two kinds of remaining needles:
One, as Fig. 1, Fig. 5 and shown in Figure 6, the indwelling needle catheter seat 22 in this remaining needle is through-type catheter block 22a
During use, after puncture needle assembly 10 is extracted, indwelling needle catheter seat 22 is connected with non-puncture type hemostix 40, when the insertion section 4311 of non-puncture type hemostix 40 was pressed into batching pig 23, the otch 234 of batching pig 23 opened the formation path under pressure naturally, and take quantitative blood sample by blood taking tube this moment, after finishing blood collection procedure, extract non-puncture type hemostix 40, the projection 231 of batching pig 23 is closed under the reset response of self and reinforcement 232, path blockade.When through-type remaining needle 22a infused, the joint of infusion set was pressed into batching pig 23, and otch 234 opens the formation path under pressure again naturally, carries out the normal infusion process then.
Two, as Fig. 2, Fig. 7 and shown in Figure 8, the indwelling needle catheter seat 22 in this remaining needle is triplet type catheter block 22b
During use, after puncture needle assembly 10 is extracted, indwelling needle catheter seat 22 is connected with non-puncture type hemostix 40, when the insertion section 4311 of non-puncture type hemostix 40 is pressed into batching pig 23, the otch 234 of batching pig 23 opens the formation path under pressure naturally, take quantitative blood sample by blood taking tube this moment, after finishing blood collection procedure, extract non-puncture type hemostix 40, the projection 231 of batching pig 23 is closed under the reset response of self and reinforcement 232, path blockade, this moment, infusion set can carry out normal infusion by another interface of triplet type catheter block 22b.
This utility model cooperates non-puncture type hemostix repeatedly to take a blood sample after extracting puncture needle assembly 10, thereby has avoided the repeatedly puncture of patient because of taking blood sample to cause, and has alleviated the misery of sufferer greatly.
Extremely shown in Figure 8 as Fig. 5, the above-mentioned non-puncture type hemostix 40 that cooperates with this utility model comprises the blood taking needle assembly 41 supporting with vacuum test tube, and the blood sampling end of described blood taking needle assembly 41 is communicated with the joint 43 that cooperates with indwelling needle catheter seat 22 afterbodys by conduit 42.Described joint 43 can be screwed union 431 (referring to Fig. 5 and Fig. 6), also can be cassette joint 432 (referring to Fig. 7 and Fig. 8).These two kinds of joints 43 all have an insertion section 4311,4321 that is used to insert indwelling needle catheter seat 22 afterbodys.The female thread that the external screw thread of indwelling needle catheter seat 22 afterbodys is mainly used in screwed union 431 clamping rings 4312 in this utility model is spirally connected.
Claims (7)
1. needleless blood sampling hermetic type iv cannule, comprise puncture needle assembly (10), indwelling casing tube assembly (20) and needle point helmet (30), described puncture needle assembly (10) comprises puncture needle needle stand (11) and puncture needle tubing (12), described indwelling casing tube assembly (20) comprises that the front portion is provided with the indwelling needle catheter seat (22) of indwelling needle catheter (21), be provided with batching pig (23) in the indwelling needle catheter seat (22), puncture needle tubing (12) passes batching pig (23) back and inserts in the indwelling needle catheter (21), it is characterized in that: described batching pig (23) is opening barrel-like structure forward, the interior rear wall of batching pig (23) convexes with projection (231), be connected with some reinforcements (232) between the medial wall of projection (231) and batching pig (23), the aft bulkhead of batching pig (23) is provided with an otch (234) that runs through projection (231).
2. according to the described needleless blood sampling of claim 1 hermetic type iv cannule, it is characterized in that: described reinforcement (232) is arranged in the leading section of projection (231).
3. according to the described needleless blood sampling of claim 1 hermetic type iv cannule, it is characterized in that: described otch is yi word pattern.
4. according to the described needleless blood sampling of claim 1 hermetic type iv cannule, it is characterized in that: described projection (231) is the spherical crown shape.
5. according to claim 1 or 2 or 3 or 4 described needleless blood sampling hermetic type iv cannules, it is characterized in that: the afterbody of described indwelling needle catheter seat (22) is provided with external screw thread.
6. according to claim 1 or 2 or 3 or 4 described needleless blood sampling hermetic type iv cannules, it is characterized in that: described indwelling needle catheter seat (22) is a through-type catheter block (22a).
7. according to claim 1 or 2 or 3 or 4 described needleless blood sampling hermetic type iv cannules, it is characterized in that: described indwelling needle catheter seat (22) is a triplet type catheter block (22b), and described indwelling casing tube assembly (20) also comprises the long duct (24) that is connected with the bypass connector of indwelling needle catheter seat (22), the long duct seat (25) that is connected with long duct (24), calparine cap (26) and is folded in flow-stopping clip (27) on the long duct (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200613898U CN201609542U (en) | 2010-01-11 | 2010-01-11 | Closed type arteriovenous indwelling needle for no-needle blood sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200613898U CN201609542U (en) | 2010-01-11 | 2010-01-11 | Closed type arteriovenous indwelling needle for no-needle blood sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201609542U true CN201609542U (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200613898U Expired - Fee Related CN201609542U (en) | 2010-01-11 | 2010-01-11 | Closed type arteriovenous indwelling needle for no-needle blood sampling |
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| CN (1) | CN201609542U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948984A (en) * | 2014-04-11 | 2014-07-30 | 李泉 | Arterial remaining needle capable of displaying arterial pulsation |
| CN105107058A (en) * | 2015-09-22 | 2015-12-02 | 四川省人民医院 | Oval diversion safe indwelling needle |
| CN105769257A (en) * | 2016-01-22 | 2016-07-20 | 姚蔼晟 | Multi-instrument-channel spinal endoscopy |
| CN107308520A (en) * | 2017-08-11 | 2017-11-03 | 湖南平安医械科技有限公司 | A kind of batching pig and venous detaining needle |
| CN113144320A (en) * | 2021-05-21 | 2021-07-23 | 端源医疗科技无锡有限公司 | Automatic flow stopping hemodialysis remaining needle and using method thereof |
-
2010
- 2010-01-11 CN CN2010200613898U patent/CN201609542U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948984A (en) * | 2014-04-11 | 2014-07-30 | 李泉 | Arterial remaining needle capable of displaying arterial pulsation |
| 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 |
| CN105769257A (en) * | 2016-01-22 | 2016-07-20 | 姚蔼晟 | Multi-instrument-channel spinal endoscopy |
| CN107308520A (en) * | 2017-08-11 | 2017-11-03 | 湖南平安医械科技有限公司 | A kind of batching pig and venous detaining needle |
| CN113144320A (en) * | 2021-05-21 | 2021-07-23 | 端源医疗科技无锡有限公司 | Automatic flow stopping hemodialysis remaining needle and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU LINHUA MEDICAL DEVICES CO., LTD. Free format text: FORMER OWNER: WU LINYUAN Effective date: 20120711 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215101 SUZHOU, JIANGSU PROVINCE TO: 215122 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120711 Address after: 215122, Jiangsu, Suzhou Province, only 3 new road, Ting Town Patentee after: Linhua Medical Appliances Co., Ltd., Suzhou Address before: Wuzhong District Mudu town of Suzhou city in Jiangsu Province, 215101 Shandong Road No. 98 Patentee before: Wu Linyuan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20160111 |