CN216495540U - Peripheral vein negative pressure puncture needle - Google Patents
Peripheral vein negative pressure puncture needle Download PDFInfo
- Publication number
- CN216495540U CN216495540U CN202122407610.1U CN202122407610U CN216495540U CN 216495540 U CN216495540 U CN 216495540U CN 202122407610 U CN202122407610 U CN 202122407610U CN 216495540 U CN216495540 U CN 216495540U
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- Prior art keywords
- negative pressure
- puncture needle
- pressure bag
- bag
- puncture
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- 230000002093 peripheral effect Effects 0.000 title claims abstract description 21
- 210000003462 vein Anatomy 0.000 title claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000008280 blood Substances 0.000 description 10
- 210000004369 blood Anatomy 0.000 description 10
- 239000002775 capsule Substances 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The application relates to the field of medical puncture instruments, in particular to a peripheral vein negative pressure puncture needle, which comprises a puncture needle body, and a negative pressure device detachably connected to the puncture needle body, wherein the negative pressure device is provided with a negative pressure bag communicated with the puncture needle body, and the negative pressure bag is a capsule-shaped shell made of thin-wall soft plastics. The puncture needle has the effect of improving the puncture accuracy and operability of the puncture needle operated by an operator.
Description
Technical Field
The application relates to the field of medical puncture instruments, in particular to a peripheral vein negative pressure puncture needle.
Background
The interventional therapy operation is a minimally invasive therapy operation carried out by utilizing modern high-tech means, and is characterized in that under the guidance of medical imaging equipment, a puncture is used for puncturing a human body to establish an operation access, then a special catheter or guide wire and other precise instruments are introduced into the human body, and the catheter or guide wire is operated to diagnose and locally treat internal diseases.
In the vein intervention operation, the puncture needle needs to puncture peripheral veins such as femoral vein, internal jugular vein, brachial vein, and the like, blood flows out from the tail of the puncture needle, namely, the puncture returns blood, which can prove that the puncture is successful, but because the pressure of the peripheral veins is low, the phenomenon of the puncture returns blood is difficult to observe, negative pressure puncture is needed when the puncture needle punctures the peripheral veins, namely, an injector is fixedly connected to the tail of the puncture needle, the piston of the injector is moved outwards and kept by hand while the puncture needle punctures the peripheral veins, so that negative pressure is continuously generated in an empty cylinder of the injector, blood can be sucked into the injector when the puncture needle penetrates through the vein wall, and the phenomenon of the puncture returns blood can be conveniently observed to prove that the puncture is successful.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the whole length of the puncture needle filling syringe is too long, the syringe can be held by only the positive hand, the operation accuracy of the positive hand holding is low, the syringe continuously performs negative pressure suction, and an operator needs to operate the piston by hands with dispersed attention, so that the operability of puncture of the puncture needle is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve when using pjncture needle filling syringe to carry out the negative pressure puncture, the accuracy of puncture operation is lower and the relatively poor defect of operability, the application provides a periphery vein negative pressure pjncture needle.
The application provides a peripheral vein negative pressure pjncture needle adopts following technical scheme:
a negative pressure puncture needle for peripheral veins comprises a puncture needle body and a negative pressure device detachably connected to the puncture needle body, wherein the negative pressure device is provided with a negative pressure bag communicated with the puncture needle body, and the negative pressure bag is a capsule-shaped shell made of thin-wall soft plastics.
Through adopting above-mentioned technical scheme, puncture the pjncture needle body into skin when negative pressure bag compression, open the negative pressure bag again, make the negative pressure bag inflation produce the negative pressure that lasts in inside, the pjncture needle body can continuously produce the suction, when the pjncture needle body punctures into the vein, can observe the blood return phenomenon more conveniently, and the length of negative pressure bag is less than the length of syringe simultaneously, can make operating personnel operate the pjncture needle body more conveniently accurately.
Optionally, a connection tail is fixedly connected to one end of the puncture needle body, a conversion connector communicated with the negative pressure bag is arranged on the negative pressure device, a connection tube head is arranged at one end, far away from the negative pressure bag, of the conversion connector, and the connection tube head is inserted into the connection tail.
Through adopting above-mentioned technical scheme, the connection afterbody is inserted and is established on the connecting pipe head, makes pjncture needle body can dismantle and connect on the conversion connector, and negative pressure bag and conversion connector intercommunication simultaneously, the negative pressure that the negative pressure bag produced can make pjncture needle body produce the suction effect.
Optionally, a compression box is movably connected to the negative pressure bag, and the negative pressure bag is placed in the compression box after being compressed.
Through adopting above-mentioned technical scheme, the negative pressure bag is the compression state and places in the compression box, when pjncture needle body punctured into skin, will compress the box and take off and make the inside negative pressure that produces of negative pressure bag inflation, and operating personnel does not need manual compression negative pressure bag when puncturing, avoids operating personnel to disperse the attention, reduces the accuracy nature of operation.
Optionally, a sliding groove is formed in the outer wall of the negative pressure bag, the length direction of the sliding groove is parallel to the length direction of the negative pressure bag, and a sliding block matched with the sliding groove is fixedly connected to the inner wall of the compression box.
Through adopting above-mentioned technical scheme, through the cooperation of spout and slider, make operating personnel can convenient and fast ground take off the compression box from the negative pressure bag.
Optionally, the conversion connector comprises a pen holding table fixedly connected to one end of the connector head, and the pen holding table is fixedly connected to a clamping barrel arranged at one end of the connector head.
By adopting the technical scheme, the pen holding table and the clamping cylinder enable an operator to use the pen holding type or clamping type to operate the puncture needle body when the puncture needle body is operated to puncture, so that the operator can more conveniently and accurately puncture.
Optionally, one end of the negative pressure bag is provided with a bag body pipe head which is fixedly connected with the inner wall of the clamping cylinder.
Through adopting above-mentioned technical scheme, utricule tube head rigid coupling makes negative pressure bag and conversion connector intercommunication on a centre gripping section of thick bamboo, and the gas tightness is good between the two, when producing the negative pressure in the negative pressure bag, can use the pjncture needle body better on.
Optionally, a hollow pipeline is arranged inside the pen holding table and communicated with the connector head and the clamping barrel.
By adopting the technical scheme, the hollow pipeline is communicated with the connecting tube head and the clamping cylinder, so that the puncture needle body inserted on the connecting tube head is communicated with the negative pressure bag fixedly connected on the clamping cylinder, and when the negative pressure bag generates negative pressure, the puncture needle body generates suction.
Optionally, the conversion connector is a component made of transparent plastic.
By adopting the technical scheme, when the blood return phenomenon occurs, the blood can be directly observed when being sucked into the conversion connector, so that an operator can observe the blood return phenomenon more conveniently and rapidly.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the puncture needle body, the negative pressure device and the negative pressure bag, the puncture needle body is punctured into the skin when the negative pressure bag is compressed, and then the negative pressure bag is opened, so that the negative pressure bag is expanded to generate continuous negative pressure inside, the puncture needle body can continuously generate suction, when the puncture needle body is punctured into a vein, the blood return phenomenon can be observed more conveniently, and meanwhile, the length of the negative pressure bag is smaller than that of an injector, so that an operator can operate the puncture needle body more conveniently and accurately;
by arranging the compression box, the negative pressure bag is placed in the compression box in a compressed state, when the puncture needle body punctures into skin, the compression box is taken down to enable the negative pressure bag to expand to generate negative pressure inside, and an operator does not need to manually compress the negative pressure bag during puncturing, so that the operator is prevented from dispersing attention, and the operation accuracy is reduced;
through setting up a pen platform, a centre gripping section of thick bamboo, hold a pen platform and a centre gripping section of thick bamboo and make operating personnel when the operation pjncture needle body punctures, can use and hold pen type or centre gripping formula operation pjncture needle body, make operating personnel can more conveniently accurately carry out the puncture operation.
Drawings
Fig. 1 is a schematic view of the structure of the puncture needle.
Fig. 2 is a schematic view of the puncture needle with the compression cassette removed.
Fig. 3 is a cross-sectional view of the negative pressure device.
Description of reference numerals: 1. a puncture needle body; 11. connecting the tail part; 2. a negative pressure device; 21. a conversion connector; 211. connecting the pipe heads; 212. a pen holding table; 213. a clamping cylinder; 214. a hollow conduit; 22. a negative pressure bladder; 221. a chute; 222. a balloon tip; 23. compressing the box; 231. a slide block.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a negative pressure puncture needle for peripheral veins. Referring to fig. 1, a peripheral venous negative pressure puncture needle comprises a puncture needle body 1 and a negative pressure device 2 detachably connected to the puncture needle body 1.
Referring to fig. 1 and 2, the puncture needle body 1 includes a needle tube having a needle head at one end thereof, and a connecting tail 11 fixedly connected to an end of the needle tube remote from the needle head. The connecting tail part 11 is a cylinder with one end being a sealed end and the other end being an open end, and the needle tube is fixedly connected in the middle of the sealed end and communicated with the inside of the connecting tail part 11.
Referring to fig. 1 and 2, the negative pressure device 2 includes a conversion connector 21 detachably connected to the connection tail 11, a negative pressure bag 22 fixedly connected to the conversion connector 21, and a compression box 23 movably connected to the negative pressure bag 22. The length of the negative pressure bladder 22 is less than that of a typical syringe.
Referring to fig. 2 and 3, the conversion connector 21 is made of a transparent material, and the conversion connector 21 includes a connector head 211 inserted into the connection tail 11, a pen holder 212 fixed to an end of the connector head 211, and a holding barrel 213 fixed to an end of the pen holder 212 remote from the connector head 211. The pen holding table 212 is a circular table, the bottom surface with a small cross-sectional area is an upper bottom surface, the bottom surface with a large cross-sectional area is a lower bottom surface, three rectangular pen holding surfaces are arranged on the side surface of the pen holding table 212 at intervals, a hollow pipeline 214 is arranged in the middle of the pen holding table 212, and the connector head 211 is fixedly connected to the upper bottom surface of the pen holding table 212. The clamping cylinder 213 comprises a cylinder, a large ring fixedly attached to one end of the cylinder, and a small ring fixedly attached to the other end of the cylinder. One end of the holding tube 213 near the large ring is fixed on the upper bottom surface of the pen holder 212, and the hollow pipe 214 is connected with the connector 211 and the holding tube 213.
Referring to fig. 1 and 2, after the connection tail 11 is inserted into the connector holder 211, an operator can operate the puncture needle body 1 by holding a pen with the pen holder 212 or operate the puncture needle body 1 by holding the needle with the holding cylinder 213.
Referring to fig. 2 and 3, the negative pressure bag 22 is a capsule-shaped shell made of thin-wall soft plastic, two sliding grooves 221 are formed in the outer wall of the negative pressure bag 22, the notches of the two sliding grooves 221 are arranged in a reverse manner, and the length directions of the two sliding grooves 221 are the same as the length of the negative pressure bag 22. A capsule tube head 222 is arranged at one end of the negative pressure bag 22, the capsule tube head 222 is communicated with the inside and the outside of the negative pressure bag 22, and one end of the capsule tube head 222 far away from the negative pressure bag 22 is fixedly connected on the inner wall of the clamping cylinder 213.
Referring to fig. 2 and 3, the compression box 23 is a rectangular box with an opening at one end, two sliding blocks 231 adapted to the two sliding grooves 221 are fixedly connected to the inner wall of the compression box 23, and the two sliding blocks 231 are oppositely disposed at one end of the compression box 23 close to the opening.
Referring to fig. 1 and 2, the negative pressure bag 22 is compressed inward and then placed in the shrinkage box, after the puncture needle body 1 punctures into the skin, the compression box 23 is taken down to expand and recover the negative pressure bag 22, negative pressure is generated in the negative pressure bag 22, and the puncture blood return phenomenon can be conveniently observed after the puncture needle body 1 punctures into the vein.
The implementation principle of the peripheral vein negative pressure puncture needle in the embodiment of the application is as follows: after the puncture needle body 1 is punctured into the skin, the compression box 23 is taken down from the negative pressure bag 22, the negative pressure bag 22 expands and recovers to generate continuous negative pressure, so that the puncture needle body 1 generates suction, an operator does not need to disperse attention to maintain negative pressure suction, and the operator can operate the puncture needle body 1 to puncture by using a pen holding table 212 and a clamping type through the pen holding table 213, so that the operator can accurately and conveniently operate the puncture needle body 1 to puncture.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A peripheral vein negative pressure puncture needle is characterized in that: the puncture needle comprises a puncture needle body (1) and a negative pressure device (2) detachably connected to the puncture needle body (1), wherein the negative pressure device (2) is provided with a negative pressure bag (22) communicated with the puncture needle body (1), and the negative pressure bag (22) is a capsule-shaped shell made of thin-wall soft plastics.
2. A peripheral venous aspiration needle according to claim 1 wherein: one of pjncture needle body (1) is served the rigid coupling and is had connection afterbody (11) be equipped with on negative pressure device (2) with conversion connector (21) of negative pressure bag (22) intercommunication, conversion connector (21) are kept away from the one end of negative pressure bag (22) is provided with connection tube head (211), connection tube head (211) are inserted and are established connect in afterbody (11).
3. A peripheral venous aspiration needle according to claim 2 wherein: a compression box (23) is movably connected to the negative pressure bag (22), and the negative pressure bag (22) is placed in the compression box (23) after being compressed.
4. A peripheral venous aspiration needle according to claim 3 wherein: the outer wall of the negative pressure bag (22) is provided with a sliding groove (221), the length direction of the sliding groove (221) is parallel to the length direction of the negative pressure bag (22), and a sliding block (231) matched with the sliding groove (221) is fixedly connected to the inner wall of the compression box (23).
5. A peripheral venous aspiration needle according to claim 2 wherein: conversion connector (21) include the rigid coupling be in connector head (211) one end is served and is held a platform (212), the rigid coupling is in it keeps away from to hold a platform (212) a centre gripping section of thick bamboo (213) that connector head (211) one is served.
6. A peripheral venous aspiration needle according to claim 5 wherein: one end of the negative pressure bag (22) is provided with a bag body pipe head (222), and the bag body pipe head (222) is fixedly connected with the inner wall of the clamping cylinder (213).
7. A peripheral venous aspiration needle according to claim 5 wherein: a hollow pipeline (214) is arranged inside the pen holding table (212), and the hollow pipeline (214) is communicated with the connector head (211) and the clamping barrel (213).
8. A peripheral venous aspiration needle according to claim 5 wherein: the conversion connector (21) is a component made of transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122407610.1U CN216495540U (en) | 2021-09-30 | 2021-09-30 | Peripheral vein negative pressure puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122407610.1U CN216495540U (en) | 2021-09-30 | 2021-09-30 | Peripheral vein negative pressure puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216495540U true CN216495540U (en) | 2022-05-13 |
Family
ID=81520779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122407610.1U Expired - Fee Related CN216495540U (en) | 2021-09-30 | 2021-09-30 | Peripheral vein negative pressure puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216495540U (en) |
-
2021
- 2021-09-30 CN CN202122407610.1U patent/CN216495540U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |