CN205041508U - Continuous type renal puncture needle of adjustable length - Google Patents
Continuous type renal puncture needle of adjustable length Download PDFInfo
- Publication number
- CN205041508U CN205041508U CN201520811396.8U CN201520811396U CN205041508U CN 205041508 U CN205041508 U CN 205041508U CN 201520811396 U CN201520811396 U CN 201520811396U CN 205041508 U CN205041508 U CN 205041508U
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- China
- Prior art keywords
- shank
- pull bar
- groove
- puncture needle
- push
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Abstract
The utility model discloses a continuous type renal puncture needle of adjustable length, including the cylinder, the front end of cylinder is connected with the needle bar, and the inside of cylinder is provided with the piston, is connected with the push -and -pull rod on the piston, and the needle bar is provided with first check valve with the junction of cylinder, and the tip of push -and -pull rod is connected with reservoir through the connecting pipe, needle bar before the one end connection of pull rod, and the other end of pull rod is connected with and extends to the outer plectrum of back needle bar, and it has first recess to open on the back needle bar, and the front end of preceding needle bar is near being fixed with two seal chamber on the syringe needle inner wall. The utility model discloses can use different length according to different patients' demand, guarantee that the puncture in -process buckling phenomenon can not appear to water in the seal chamber is clear with the surrounding tissue boundary with the kidney on supersound machine fluorescent screen, improves the accuracy of doctor's judgement, and in addition, the lid has avoided impurity or bacterium to enter into the tissue fluid that draws.
Description
Technical field
This utility model relates to medical apparatus and instruments correlative technology field, specifically a kind of length-adjustable continous way kidney puncture needle.
Background technology
Nephropathy is commonly encountered diseases and frequently-occurring disease, can develop into uremia, serious harm health of people if worsened.Chronic kidney disease has become the important diseases of another threat human health after cardiovascular and cerebrovascular disease, tumor, diabetes, becomes global public health problem; In diagnosis of nephropathy therapeutic process, renal puncture biopsy is a kind of method judging nephropathy type.
At present, the kidney puncture needle that general hospital uses structurally only contains needle handle and shank, shank is used for thrusting kidney, needle handle is used for allowing doctor's hands hold, the defect of this common kidney puncture needle is the length of shank is fixing, because everyone skin surface is different from the distance of kidney, therefore, the length of these common kidney puncture needlies is longer with regard to what arrange, so that the kidney of different patient can be thrust, but kidney puncture needle will be caused like this when puncture, in the process being punctured to kidney, bending phenomenon is there will be because length is long, after there is bending phenomenon in kidney puncture needle, predetermined puncture position will be departed from, cause puncture failure, and need again to puncture after puncture failure, damage the health of patient, and the treatment time of patient can be incured loss through delay, and existing puncture needle to be demarcated unclear problem because reasons in structure exists kidney and surrounding tissue when biopsy shows, and then affect doctor diagnosed, in addition, the tissue fluid of extraction be injected in storage capsule process, impurity or antibacterial enter into the tissue fluid of extraction, affect test effect.
Utility model content
The purpose of this utility model is to provide a kind of length-adjustable continous way kidney puncture needle, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
A kind of length-adjustable continous way kidney puncture needle, comprise syringe, the front end of described syringe is connected with shank, the inside of described syringe is provided with piston, and described piston is connected with push-pull bar, and the junction of shank and syringe is provided with the first check valve, described push-pull bar is hollow tubular, the end of push-pull bar is connected with storage capsule by connection tube, and described storage capsule is provided with import, and the junction of described piston and push-pull bar is also provided with the second check valve, described connection tube is flexible pipe, and connection tube is provided with control valve, described shank comprises front shank and rear shank, the rear end of front shank is connected with the front end of rear shank, the rear end of rear shank is connected with syringe, the rear end of front shank is connected with pull bar, one end of described pull bar connects front shank, the other end of described pull bar is connected with the plectrum extended to outside rear shank, described rear shank has the first groove, described first groove is connected with the second groove, the junction of described front shank and rear shank is provided with arc-like sheet, described arc-like sheet is connected on rear shank, described front shank and rear shank are hollow state, between the outer wall of rear shank and inwall, there is cavity, the front end of described front shank is fixed with two seal chambers on inner needle wall, and the inside of described seal chamber is filled with water.
As further program of the utility model: described connection tube and import are for removably connecting.
As this utility model further scheme: described storage capsule is hung with the lid suitable with import by line body.
As this utility model further scheme: arrange in vertical state between the second groove and the first groove, the second groove is that ordered state is arranged on rear shank.
As this utility model further scheme: the front end of described front shank is arranged in ramp shaped.
Compared with prior art, the beneficial effects of the utility model are: this utility model achieves the adjustable length of kidney puncture needle, can use different length according to the demand of different patient, ensure that kidney puncture needle there will not be buckling phenomenon in the process of puncture; And front shank carries out under ultrasound guidance, have strong reflexive due to ultrasonic to water, the water in seal chamber is demarcated clear with kidney and surrounding tissue on ultrasonic machine fluorescent screen, improves the accuracy that doctor judges; In addition, after having extracted the tissue fluid in kidney, compress push-pull bar inwardly, the tissue fluid of extraction directly can enter into storage capsule through push-pull bar and connection tube from syringe, avoids impurity or antibacterial to enter into the tissue fluid of extraction; Doctor continuously from extracting interstitial fluid in kidney, can avoid secondary contact pin, easy to use, reduces work difficulty; The tissue fluid extracted enters into storage capsule, and connection tube of dismantling can cover lid in import department, avoids impurity or antibacterial to enter into the tissue fluid of extraction.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of length-adjustable continous way kidney puncture needle.
Fig. 2 is the sectional view of front shank in a kind of length-adjustable continous way kidney puncture needle.
In figure: shank, 14-pull bar, 15-plectrum, 16-first groove, 17-second groove, 18-arc-like sheet, 19-seal chamber after shank, 2-syringe, 3-piston, 4-push-pull bar, 5-first check valve, 6-connection tube, 7-storage capsule, 8-second check valve, 9-control valve, 10-import, 11-lid, 12-shank, 13-before 1-.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Refer to Fig. 1-2, in this utility model embodiment, a kind of length-adjustable continous way kidney puncture needle, comprise syringe 2, the front end of described syringe 2 is connected with one for thrusting kidney from human skin and length-adjustable shank 12, the inside of described syringe 2 is provided with piston 3, described piston 3 is connected with push-pull bar 4, shank 12 is provided with the first check valve 5 with the junction of syringe 2, described push-pull bar 4 is set to hollow tubular, the end of push-pull bar 4 is connected with storage capsule 7 by connection tube 6, described storage capsule 7 is provided with import 10, for removably connecting between connection tube 6 and import 10, piston 3 is also provided with the second check valve 8 with the junction of push-pull bar 4, described connection tube 6 is flexible pipe, and connection tube 6 is provided with control valve 9, control valve 9 can play the effect of timely throttling, described storage capsule 7 is hung with the lid 11 suitable with import 10 by line body, and the tissue fluid of extraction enters into storage capsule 7, and connection tube 6 of dismantling can cover lid 11 at import 10 place, effectively prevent the tissue fluid that impurity or antibacterial enter into extraction.
Described shank 12 comprises front shank 1 and rear shank 13, the rear end of front shank 1 is connected with the front end of rear shank 13, the rear end of rear shank 13 is connected with syringe 2, the rear end of front shank 1 is connected with the pull bar 14 for driving the movement in rear shank 13 of front shank 1, one end of described pull bar 14 connects front shank 1, the other end of described pull bar 14 is connected with the plectrum 15 extended to outside rear shank 13, described rear shank 13 have for allowing the first groove 16 of plectrum 15 movement on rear shank 13, described first groove 16 is connected with one group and is embedded into the second groove 17 on rear shank 13 for allowing plectrum 15, arrange in vertical state between second groove 17 and the first groove 16, second groove 17 is arranged on rear shank 13 in ordered state, described front shank 1 is provided with for thrusting the arc-like sheet 18 preventing scratch human body in human body process at shank 12 with the junction of rear shank 13, and described arc-like sheet 18 is connected on rear shank 13, described front shank 1 and rear shank 13 are hollow state, between the outer wall of rear shank 13 and inwall, there is cavity, first groove 16 and the second groove 17 make cavity be in communication with the outside, the cavity that like this, shank 13 is formed can avoid blood to enter in shank 12, puncture is carried out smoothly, and the front end of front shank 1 is arranged in ramp shaped, and plectrum 15 can be embedded in the second groove 17 completely, can not be outwardly, plectrum 15 scratch patient body can be avoided.
The front end of described front shank 1 is fixed with two seal chambers 19 on inner needle wall, and the inside of described seal chamber 19 is filled with water; Front shank 1 carries out under ultrasound guidance, has strong reflexive due to ultrasonic to water, and the water in seal chamber 19 is demarcated clear with kidney and surrounding tissue on ultrasonic machine fluorescent screen, improves the accuracy that doctor judges.
During use, according to the penetration length of needs of patients, plectrum 15 is mobile in the first groove 16, pull bar 14 on plectrum 15 drives front shank 1 mobile in rear shank 13, now the length of shank 12 just starts to occur change, elongated or shorten, when the length of shank 12 reaches the length of needs, stop mobile plectrum 15, plectrum 15 is embedded in the second groove 17 of relevant position, now the length of shank 12 no longer changes, reach the effect regulating shank 12 length, ensure that kidney puncture needle there will not be buckling phenomenon in the process of puncture, can ensure to puncture successfully, puncture according to predetermined puncture position, there will not be and depart from, afterwards, stretch out push-pull bar 4, the first check valve 5 is opened, second check valve 8 is closed, tissue fluid in kidney can enter into syringe 2, compresses push-pull bar 4, first check valve 5 inwards and closes, second check valve 8 is opened, the tissue fluid extracted can directly enter into storage capsule 7 through push-pull bar 4 and connection tube 6 from syringe 2, and avoid impurity or antibacterial to enter into the tissue fluid of extraction, doctor can continuously from extracting interstitial fluid in kidney, avoid secondary contact pin, reduce work difficulty.
To those skilled in the art, obvious this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or basic feature, can realize this utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in this utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. a length-adjustable continous way kidney puncture needle, comprise syringe (2), it is characterized in that, the front end of described syringe (2) is connected with shank (12), the inside of described syringe (2) is provided with piston (3), described piston (3) is connected with push-pull bar (4), shank (12) is provided with the first check valve (5) with the junction of syringe (2), described push-pull bar (4) is hollow tubular, the end of push-pull bar (4) is connected with storage capsule (7) by connection tube (6), described storage capsule (7) is provided with import (10), described piston (3) is also provided with the second check valve (8) with the junction of push-pull bar (4), described connection tube (6) is flexible pipe, connection tube (6) is provided with control valve (9), described shank (12) comprises front shank (1) and rear shank (13), the rear end of front shank (1) is connected with the front end of rear shank (13), the rear end of rear shank (13) is connected with syringe (2), the rear end of front shank (1) is connected with pull bar (14), one end of described pull bar (14) connects front shank (1), the other end of described pull bar (14) is connected with and extends to rear shank (13) plectrum outward (15), described rear shank (13) has the first groove (16), described first groove (16) is connected with the second groove (17), described front shank (1) is provided with arc-like sheet (18) with the junction of rear shank (13), described arc-like sheet (18) is connected on rear shank (13), described front shank (1) and rear shank (13) are hollow state, between the outer wall of rear shank (13) and inwall, there is cavity, the front end of described front shank (1) is fixed with two seal chambers (19) on inner needle wall, and the inside of described seal chamber (19) is filled with water.
2. the length-adjustable continous way kidney puncture needle of one according to claim 1, is characterized in that, described connection tube (6) and import (10) are for removably connecting.
3. the length-adjustable continous way kidney puncture needle of one according to claim 1, is characterized in that, described storage capsule (7) is hung with the lid (11) suitable with import (10) by line body.
4. the length-adjustable continous way kidney puncture needle of one according to claim 1, is characterized in that, arranges in vertical state between the second groove (17) and the first groove (16), and the second groove (17) is arranged in ordered state on rear shank (13).
5. the length-adjustable continous way kidney puncture needle of one according to claim 1, is characterized in that, the front end of described front shank (1) is arranged in ramp shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811396.8U CN205041508U (en) | 2015-10-20 | 2015-10-20 | Continuous type renal puncture needle of adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811396.8U CN205041508U (en) | 2015-10-20 | 2015-10-20 | Continuous type renal puncture needle of adjustable length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205041508U true CN205041508U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520811396.8U Expired - Fee Related CN205041508U (en) | 2015-10-20 | 2015-10-20 | Continuous type renal puncture needle of adjustable length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205041508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107095708A (en) * | 2017-06-08 | 2017-08-29 | 邳州东大医院 | Adjustable Pericardiopuncture needle |
| CN107137112A (en) * | 2017-05-22 | 2017-09-08 | 太和县人民医院 | A kind of ultrasound guidance breast biopsy sting device |
-
2015
- 2015-10-20 CN CN201520811396.8U patent/CN205041508U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107137112A (en) * | 2017-05-22 | 2017-09-08 | 太和县人民医院 | A kind of ultrasound guidance breast biopsy sting device |
| CN107137112B (en) * | 2017-05-22 | 2023-08-11 | 太和县人民医院 | Mammary gland biopsy puncture device under ultrasonic guidance |
| CN107095708A (en) * | 2017-06-08 | 2017-08-29 | 邳州东大医院 | Adjustable Pericardiopuncture needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20161020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |