CN111481270A - Kidney puncture device for nephrology department capable of avoiding needle handle slippage in use process - Google Patents
Kidney puncture device for nephrology department capable of avoiding needle handle slippage in use process Download PDFInfo
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- CN111481270A CN111481270A CN202010336682.9A CN202010336682A CN111481270A CN 111481270 A CN111481270 A CN 111481270A CN 202010336682 A CN202010336682 A CN 202010336682A CN 111481270 A CN111481270 A CN 111481270A
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- needle handle
- air bag
- nephrology
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- mounting sleeve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
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- Life Sciences & Earth Sciences (AREA)
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- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a kidney puncture device for nephrology department, which avoids needle handle slippage in the using process and comprises a puncture needle handle and a mounting sleeve, wherein fastening plates which are uniformly distributed are movably inserted on the inner wall of the mounting sleeve, a vertical plate inserted into the fastening plates is fixed in the mounting sleeve, a first air bag is fixedly arranged on one side of a backing plate close to a torsional ring, a wedge-shaped block is fixedly connected on the inner wall of the torsional ring, a second air bag is fixedly arranged below the fastening plates, the second air bag is communicated with the first air bag through a hollow ring and a vent pipe, the torsional ring is rotated, the fastening plates and the second air bag are simultaneously extruded by the wedge-shaped block, the fastening plates are inwards stretched and abut against the outer wall of the puncture needle handle, the stability of the puncture needle handle is enhanced, the gas in the second air bag is extruded into the first air bag, the first air bag is enlarged in volume, the fastening plates are continuously pushed, the clamping firmness is further enhanced, and, ensures that all the fastening plates can be propped against the puncture needle handle.
Description
Technical Field
The invention belongs to the technical field of renal puncture, and particularly relates to a renal puncture device for nephrology department, which avoids the slippage of a needle handle in the using process.
Background
Because kidney diseases are various in types, etiology and pathogenesis are complex, clinical manifestations of a plurality of kidney diseases are not completely consistent with histological changes of the kidney, kidney puncture needs to be conducted to check at the moment, and the needle handle is not particularly firm to install due to the small shape of the kidney puncture needle, so that the problem of needle handle slippage easily occurs in the process of kidney puncture, and normal operation of checking work is affected.
Patent is granted and is announced No. CN 209713076U and is proposed a novel kidney puncture assistor for nephrology dept, comprising a supporting rod, fixed gasbag, slider and pneumatic control valve, aerify and exit two fixed gasbags through pneumatic control valve, thereby fix the puncture needle, though can effectual fastening pjncture needle, avoid the needle handle slippage, this kind of scheme needs to set up subassembly such as air pump and connecting cable in addition, not only the structure is complicated, equipment is more, and is with high costs, and external connecting cable also can cause the influence to medical personnel's action on the air pump, it is inconvenient to use.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a renal puncture device for nephrology department is provided to avoid the slipping of the needle handle during the use process, so as to achieve the purpose of higher practical value.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a renal biopsy device for nephrology which prevents the needle shaft from slipping off during use.
The kidney puncture device for nephrology department for avoiding needle handle slippage in the using process comprises a puncture needle handle and an installation sleeve, wherein a torsion ring is rotatably installed on the outer side of the installation sleeve, fastening plates which are uniformly distributed are movably inserted on the inner wall of the installation sleeve, a vertical plate inserted into the fastening plates is fixed inside the installation sleeve, one side, close to the torsion ring, of the vertical plate is connected with a base plate through a pressure spring, one side, close to the torsion ring, of the base plate is fixedly provided with a first air bag, the inner wall of the torsion ring is fixedly connected with a wedge block corresponding to the fastening plates, a second air bag corresponding to the wedge block is fixedly installed inside the installation sleeve and below the fastening plates, the second air bag is communicated with the first air bag through a hollow ring and a vent pipe, and a positioning assembly is installed;
furthermore, an open slot corresponding to the fastening plate is formed in the inner wall of the mounting sleeve, so that the fastening plate can extend out and abut against the puncture needle handle;
furthermore, two ends of the pressure spring are fixedly connected with the vertical plate and the base plate respectively so as to ensure the stability of the pressure spring;
furthermore, the vertical plate, the pressure spring, the base plate and the air bag I in the same group are all positioned in the fastening plate, and a sliding groove corresponding to the fastening plate is formed in the fastening plate;
furthermore, a flexible section is arranged at the part of the vent pipe, connected with the hollow ring, of the first air bag, so that the first air bag is always communicated with the hollow ring when moving;
further, the interiors of the first air bag, the hollow ring and the second air bag are filled with gas;
furthermore, the positioning assembly comprises a positioning pin and a return spring, and a positioning groove corresponding to the positioning pin is formed in the mounting sleeve, so that the torsion ring can be fixed after rotation.
The invention has the beneficial effects that:
1. the torsion ring is rotated, the fastening plate and the air bag II are simultaneously extruded by the wedge-shaped block in the rotation process of the torsion ring, and the fastening plate is extruded inwards by the extruded mounting sleeve and abuts against the outer wall of the puncture needle handle, so that the stability of the puncture needle handle is enhanced; meanwhile, gas in the second air bag is extruded to the first air bag, the first air bag is enlarged in size, the fastening plate continues to be pushed to move towards the inner side, and the clamping firmness of the puncture needle handle is further enhanced.
2. Through set up hollow ring between gasbag one and gasbag two, can adjust the quantity of gas and the inflation volume of gasbag one of difference, and then adjust the inside distance that stretches out of mounting plate of difference, guaranteed that all mounting plates can both tightly support on the outer wall of puncture needle handle, avoided puncture needle handle slope in the installation cover pipe and the installation insecure that leads to, improved the installation fastness of puncture needle handle again.
3. The device need not additionally to set up equipment such as air pump, and not only simple structure, use cost is low, does not have external equipment such as cable moreover, can not cause the influence to medical personnel's action and use, convenient to use.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a top cross-sectional view of the fastening plate mounting structure of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic top view of a portion of a bladder and hollow ring attachment structure according to the present invention;
FIG. 6 is a schematic view of the fastening plate of the present invention;
fig. 7 is a schematic view of the structure of the hollow ring of the present invention.
In the figure: 1. a puncture needle handle; 2. installing a sleeve; 3. a torsion ring; 4. a fastening plate; 5. a vertical plate; 6. a pressure spring; 7. a base plate; 8. a first air bag; 9. a wedge block; 10. a second air bag; 11. a hollow ring; 12. a breather pipe; 13. and a positioning component.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example (b):
as shown in figures 1 to 7:
the invention provides a kidney puncture device for nephrology department, which avoids needle handle slippage in the using process and comprises a puncture needle handle 1 and a mounting sleeve 2, wherein the outer side of the mounting sleeve 2 is rotatably provided with a torsion ring 3, the inner wall of the mounting sleeve 2 is movably inserted with fastening plates 4 which are uniformly distributed, the interior of the mounting sleeve 2 is fixedly provided with a vertical plate 5 inserted into the fastening plates 4, one side of the vertical plate 5 close to the torsion ring 3 is connected with a backing plate 7 through a pressure spring 6, one side of the backing plate 7 close to the torsion ring 3 is fixedly provided with an air bag I8, the inner wall of the torsion ring 3 is fixedly connected with a wedge block 9 corresponding to the fastening plates 4, the interior of the mounting sleeve 2 and below the fastening plates 4 are fixedly provided with an air bag II 10 corresponding to the wedge block 9, the air bag II 10 is communicated with the air bag I8 through a hollow ring 11 and a vent pipe 12, and the torsion;
wherein, the inner wall of the mounting sleeve 2 is provided with an open slot corresponding to the fastening plate 4, so that the fastening plate 4 can extend out and abut against the puncture needle handle 1;
two ends of the pressure spring 6 are fixedly connected with the vertical plate 5 and the base plate 7 respectively to ensure the stability of the pressure spring 6;
the same group of vertical plates 5, the pressure spring 6, the backing plate 7 and the first air bag 8 are all positioned in the fastening plate 4, and a sliding groove corresponding to the fastening plate 4 is formed in the fastening plate 4;
the part of the vent pipe 12, where the first air bag 8 is connected with the hollow ring 11, is provided with a flexible section, so that the first air bag 8 is always communicated with the hollow ring 11 when moving;
wherein, the interiors of the first air bag 8, the hollow ring 11 and the second air bag 10 are all filled with gas;
wherein, locating component 13 includes locating pin and reset spring, sets up the constant head tank that corresponds with the locating pin on the installation sleeve 2 for the swing ring 3 can be fixed after rotatory.
The working principle and the process of the invention are as follows:
in the invention, a puncture needle handle 1 is arranged on a kidney puncture device through an installation sleeve 2, and in an initial state, a fastening plate 4 is contracted in the installation sleeve 2 under the action of a pressure spring 6 and is not contacted with the puncture needle handle 1 so as to carry out normal installation and disassembly on the puncture needle handle 1, as shown in figure 2; the first air bag 8 and the second air bag 10 are communicated through a hollow ring 11 and a vent pipe 12, and the fastening plate 4 and the second air bag 10 are not in contact with the wedge-shaped block 9, as shown in fig. 5.
When the puncture needle handle is used, the positioning assembly 13 is pulled out, the torsion ring 3 is rotated, the fastening plate 4 and the air bag II 10 are simultaneously pressed by the wedge-shaped block 9 in the rotating process of the torsion ring 3, the fastening plate 4 is pressed by the pressing installation sleeve 2 and extends inwards and abuts against the outer wall of the puncture needle handle 1, and therefore the stability of the puncture needle handle 1 is enhanced; meanwhile, after the air bag II 10 is extruded, the air in the air bag II 10 is extruded into the air bag I8 through the hollow ring 11 and the vent pipe 12, the volume of the air bag I8 is increased, the fastening plate 4 is continuously pushed to move inwards, and the clamping firmness of the puncture needle handle 1 is further enhanced; because the puncture needle handle 1 is relatively small, the central lines of the puncture needle handle 1 and the installation sleeve 2 are difficult to completely coincide in the installation process, so that the puncture needle handle 1 is inclined in the installation sleeve 2, the air quantity and the expansion volume of different air bags I8 can be adjusted by arranging the hollow ring 11 between the air bag I8 and the air bag II 10, the inward extending distance of different fastening plates 4 is further adjusted, all the fastening plates 4 can be tightly abutted against the outer wall of the puncture needle handle 1, and the installation firmness of the puncture needle handle 1 is improved again; the device need not additionally to set up equipment such as air pump, and not only simple structure, use cost is low, does not have external equipment such as cable moreover, can not cause the influence to medical personnel's action and use, convenient to use.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (7)
1. Avoid the kidney piercing depth for nephrology dept of the needle handle slippage in the use, including puncture needle handle (1) and installation sleeve pipe (2), its characterized in that: the utility model discloses a fixing device for air bag, including mounting sleeve (2), the outside of mounting sleeve (2) is rotated and is installed torque ring (3), the activity is pegged graft on the inner wall of mounting sleeve (2) has evenly distributed mounting plate (4), the inside of mounting sleeve (2) is fixed with inserts inside riser (5) of mounting plate (4), one side that riser (5) are close to torque ring (3) is connected with backing plate (7) through pressure spring (6), one side fixed mounting that backing plate (7) are close to torque ring (3) has gasbag (8), fixedly connected with corresponds wedge (9) with mounting plate (4) on the inner wall of torque ring (3), the inside of mounting sleeve (2) and the below fixed mounting that is located mounting plate (4) have gasbag two (10) that correspond with wedge (9), gasbag two (10) communicate with gasbag (8) through hollow ring (11) and breather pipe (12), install locating component (13) on torque ring (3).
2. The nephrology puncture device for nephrology department for avoiding the needle handle slippage during the use according to claim 1, which is characterized in that: an open slot corresponding to the fastening plate (4) is formed in the inner wall of the mounting sleeve (2).
3. The nephrology puncture device for nephrology department for avoiding the needle handle slippage during the use according to claim 1, which is characterized in that: two ends of the pressure spring (6) are respectively fixedly connected with the vertical plate (5) and the base plate (7).
4. The nephrology puncture device for nephrology department for avoiding the needle handle slippage during the use according to claim 1, which is characterized in that: the same group of the vertical plate (5), the pressure spring (6), the backing plate (7) and the air bag (8) are all located inside the fastening plate (4), and the inside of the fastening plate (4) is provided with a sliding groove corresponding to the fastening plate.
5. The nephrology puncture device for nephrology department for avoiding the needle handle slippage during the use according to claim 1, which is characterized in that: the part of the breather pipe (12) where the first airbag (8) is connected with the hollow ring (11) is provided with a flexible section.
6. The nephrology puncture device for nephrology department for avoiding the needle handle slippage during the use according to claim 1, which is characterized in that: the air bags I (8), the hollow ring (11) and the air bags II (10) are filled with air.
7. The nephrology puncture device for nephrology department for avoiding the needle handle slippage during the use according to claim 1, which is characterized in that: the positioning assembly (13) comprises a positioning pin and a return spring, and a positioning groove corresponding to the positioning pin is formed in the mounting sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010336682.9A CN111481270B (en) | 2020-04-26 | 2020-04-26 | Kidney puncture device for nephrology department capable of avoiding needle handle slippage in use process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010336682.9A CN111481270B (en) | 2020-04-26 | 2020-04-26 | Kidney puncture device for nephrology department capable of avoiding needle handle slippage in use process |
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| Publication Number | Publication Date |
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| CN111481270A true CN111481270A (en) | 2020-08-04 |
| CN111481270B CN111481270B (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010336682.9A Active CN111481270B (en) | 2020-04-26 | 2020-04-26 | Kidney puncture device for nephrology department capable of avoiding needle handle slippage in use process |
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| CN (1) | CN111481270B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337362A (en) * | 2020-10-15 | 2021-02-09 | 李朝霞 | Anti-drop blood drawing tube blending instrument used in emergency department |
| CN114271916A (en) * | 2022-01-20 | 2022-04-05 | 查丽君 | Prevent kidney piercing depth for nephrology dept of needle handle slippage |
| CN115088553A (en) * | 2022-07-29 | 2022-09-23 | 上海成耀建筑设计有限公司 | Nursery stock fixing device based on afforestation construction |
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| CN201987636U (en) * | 2011-03-13 | 2011-09-28 | 吴恩亮 | Kidney puncture assistant device |
| CN202313748U (en) * | 2011-12-01 | 2012-07-11 | 张守琦 | Puncture auxiliary device for nephrology department |
| CN204306860U (en) * | 2014-11-19 | 2015-05-06 | 杨慧 | Dissection of aorta invasive surgery fixes plugging device |
| CN204562321U (en) * | 2015-04-22 | 2015-08-19 | 郭成龙 | A kind of Urology Department puncture needle fixing head |
| CN205339083U (en) * | 2016-01-27 | 2016-06-29 | 张宁 | Thorax puncture positioner |
| CN209186996U (en) * | 2017-11-02 | 2019-08-02 | 盖俊杰 | Tumour wall turns up fixed device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337362A (en) * | 2020-10-15 | 2021-02-09 | 李朝霞 | Anti-drop blood drawing tube blending instrument used in emergency department |
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| CN115088553A (en) * | 2022-07-29 | 2022-09-23 | 上海成耀建筑设计有限公司 | Nursery stock fixing device based on afforestation construction |
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| CN111481270B (en) | 2021-04-30 |
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