CN214208391U - Detachable needle handle for biopsy needle - Google Patents
Detachable needle handle for biopsy needle Download PDFInfo
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- CN214208391U CN214208391U CN202022931553.2U CN202022931553U CN214208391U CN 214208391 U CN214208391 U CN 214208391U CN 202022931553 U CN202022931553 U CN 202022931553U CN 214208391 U CN214208391 U CN 214208391U
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- wall
- pipe
- biopsy needle
- casing
- button
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- 238000001574 biopsy Methods 0.000 title claims abstract description 60
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000007390 skin biopsy Methods 0.000 description 15
- 230000006872 improvement Effects 0.000 description 7
- 208000017520 skin disease Diseases 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000002690 local anesthesia Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a can dismantle needle handle for biopsy needle relates to medical instrument technical field, including first button, second button, casing and sleeve pipe, the outer wall of first button and the inner wall sliding connection of casing, the sheathed tube outer wall is connected with the inner wall of casing is inlayed admittedly, the outer wall of second button and the inner wall sliding connection of casing, the inner wall of casing is provided with can dismantle the biopsy needle, the sheathed tube inner wall is provided with reset spring. The utility model discloses an adopt the sleeve pipe and can dismantle the combination of biopsy needle, when drawing materials to the user, the sleeve pipe can be fixed the position that the user was drawn materials, and the needle point that conveniently can dismantle the biopsy needle is more convenient pierces skin tissue and draws materials, avoids the biopsy needle to receive the pollution after breaking away from human skin tissue to near the needle point that can dismantle the biopsy needle has the barb, conveniently collects skin tissue so that the inspection appraisal.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to can dismantle needle handle for biopsy needle.
Background
The skin is the largest organ of the human body, the skin disease is the disease with the highest incidence, each person can suffer from one or more skin diseases all the life, according to incomplete statistics, about 70 skin diseases and 7000 skin diseases exist, the Chinese skin disease incidence rate reaches 23.6%, if the diagnosis mode of visual observation of doctors is relied on, the defects of large work, low efficiency, easy misdiagnosis and the like exist, the skin biopsy is an important tool for diagnosing and managing the skin diseases, common skin biopsy technologies comprise a cutting method, a drilling method, a cutting method and the like, and the cutting method is the most common at present due to the limitation of conditions and technologies.
The conventional operation of skin biopsy is firstly disinfected, then local anesthesia is carried out around pathological changes, then a scalpel is used for excision or a skin trephine is used for drilling, and finally suturing is carried out.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a detachable needle handle for biopsy needle, one of which aims to simplify the operation difficulty of skin biopsy and solve the problems that the skin biopsy cannot be carried out in general hospitals due to the complicated operation process of skin biopsy and professional training of operators; wherein another kind of purpose is in order to solve patient and produce certain uncomfortable sense and avoid causing the extravagant problem of unnecessary medical resources when carrying out skin biopsy to pain and postoperative when reducing the biopsy resume faster effect, wherein another kind of purpose is in order to possess and shorten the biopsy time, conveniently reduces medical personnel's the amount of labour, is favorable to improving skin biopsy's efficiency, need carry out local anesthesia or carry out the postoperative problem of sewing up when having solved present biopsy.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a can dismantle needle handle for biopsy needle, includes first button, second button, casing and sleeve pipe, the outer wall of first button and the inner wall sliding connection of casing, the sheathed tube outer wall is connected with the inner wall of casing is inlayed admittedly, the outer wall of second button and the inner wall sliding connection of casing, the inner wall of casing is provided with can dismantle the biopsy needle, the sheathed tube inner wall is provided with reset spring, reset spring's bottom and the inner wall bottom fixed connection of casing, reset spring's top and sheathed tube inner wall top fixed connection.
The utility model discloses technical scheme's further improvement lies in: the through-hole has been seted up to sheathed tube bottom, and can dismantle biopsy needle through the through-hole and the sleeve pipe sliding connection that set up, the barb has been seted up to the outer wall of dismantling the biopsy needle, the sleeve pipe is through reset spring and the casing elastic connection who sets up, the outer wall of dismantling the biopsy needle runs through in sheathed tube inner wall, the outer wall of first button is provided with the scale mark.
The utility model discloses technical scheme's further improvement lies in: the utility model discloses a biopsy needle, including first button, connecting piece, second button, connecting piece, hollow piece and gas-supply pipe, the bottom fixed mounting of first button has the connecting piece, the bottom of connecting piece and the outer wall fixed connection who can dismantle the biopsy needle, the bottom of second button is provided with the connecting pipe, the outer wall of connecting pipe and the inner wall sliding connection of casing, the outer wall of connecting piece runs through in the inner wall of connecting pipe, and the inner wall of connecting pipe is provided with miniature air cavity, hollow piece and the gas-supply pipe of taking, the bottom of miniature air cavity and the inner wall bottom fixed connection of connecting pipe, the hollow bottom of taking the piece and the inner wall bottom fixed connection of connecting pipe, and the hollow left side setting of taking the piece to be located miniature air cavity.
The utility model discloses technical scheme's further improvement lies in: the outer wall of connecting piece is provided with the arc fixture block, the both sides of arc fixture block are provided with receive and release pipe and flexible pipe, the tube hole has been seted up to the outer wall of arc fixture block, and flexible pipe through the tube hole and the arc fixture block sliding connection who sets up, the upper and lower both ends of arc fixture block and the inner wall sliding connection of connecting pipe.
The utility model discloses technical scheme's further improvement lies in: one side of the receiving and releasing pipe is fixedly connected with the left side of the inner wall of the connecting pipe, the outer wall of the telescopic pipe is connected with the inner wall of the hollow block in an embedded mode, and the inner side wall of the arc-shaped clamping block is in lap joint with the outer wall of the connecting piece.
The utility model discloses technical scheme's further improvement lies in: the left side of the micro air cavity is connected with a right pipeline of the hollow block, and the outer wall of the gas pipe is connected with the inner wall of the second key in an embedded mode.
Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:
1. the utility model provides a needle handle for a detachable biopsy needle, which adopts the combination of a sleeve and the detachable biopsy needle, when the materials are taken by a user, the sleeve can fix the position of the materials taken by the user, the needle point of the detachable biopsy needle can be conveniently penetrated into skin tissue for taking the materials, the contamination of the biopsy needle after the biopsy needle is separated from the skin tissue of a human body is avoided, and a barb is arranged near the needle point of the detachable biopsy needle, the skin tissue is convenient to collect for inspection and identification, when the device is used, the normal disinfection operation is needed at the lesion part, the local anesthesia is not needed, the skin biopsy needle with the corresponding size is directly used for biopsy, finally, a wound paste is used for covering the wound, the operation flow is very simple and convenient, an operator only needs simple exercise, professional training is not needed, and the possibility of carrying out skin biopsy in most hospitals is facilitated, solves the problem that the common skin biopsy operation is to sterilize firstly, then perform local anesthesia around the lesion, and then use the skin biopsy equipment to draw materials or perform suture after surgical excision, which leads to the fact that the common hospital can not perform skin biopsy.
2. The utility model provides a can dismantle needle handle for biopsy needle, through adopting arc fixture block and the hollow combination setting of taking the piece, can realize fixed to the centre gripping of connecting piece, and make flexible distance of pipe change when the atmospheric pressure in the miniature air cavity interior through setting up changes, thereby contact between arc fixture block and the connecting piece, whether the atmospheric pressure size regulation arc fixture block that has realized changing miniature air cavity carries out the centre gripping with the connecting piece and fixes, and at the scale mark that first key surface set up, not only can improve the degree of accuracy, simultaneously also very big reduction patient's painful sense when the operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a cross-sectional view of the connecting pipe of the present invention;
fig. 5 is the structural connection diagram of the arc-shaped clamping block of the present invention.
In the figure: 1. a first key; 2. a second key; 3. a housing; 4. a sleeve; 5. a detachable biopsy needle; 6. a return spring; 7. a barb; 8. a connecting member; 9. a connecting pipe; 10. a micro air cavity; 11. hollow building blocks; 12. a gas delivery pipe; 13. an arc-shaped fixture block; 14. collecting and releasing the pipe; 15. a telescopic tube.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-5, the utility model provides a can dismantle needle handle for biopsy needle, including first button 1, second button 2, casing 3 and sleeve pipe 4, the outer wall of first button 1 and the inner wall sliding connection of casing 3, the outer wall of sleeve pipe 4 is connected with the inner wall of casing 3 is embedded admittedly, the outer wall of second button 2 and the inner wall sliding connection of casing 3, the inner wall of casing 3 is provided with can dismantle biopsy needle 5, the inner wall of sleeve pipe 4 is provided with reset spring 6, reset spring 6's bottom and casing 3's inner wall bottom fixed connection, reset spring 6's top and sleeve pipe 4's inner wall top fixed connection.
In this embodiment, it should be noted that the first button 1 is composed of two elements, i.e. a pushing element and a restoring element, the pushing element can enable the detachable biopsy needle 5 in the cannula 4 to move forward by compressing the return spring 6, the detachable biopsy needle 5 also has corresponding scales corresponding to the moving forward distance during the moving forward, which is beneficial for the detachable biopsy needle 5 to enter the skin to have a certain value record, the restoring element can enable the detachable biopsy needle 5 moved before to return to the most original position by the return spring 6, and simultaneously enable the detachable biopsy needle 5 to carry the skin tissue back into the cannula 4, and the second button 2 is a node for controlling the detachable biopsy needle 5 to be connected with the needle handle, which can enable the detachable skin biopsy needle 5 to be quickly separated from the skin biopsy needle handle, thereby providing a basis for realizing the skin tissue transfer.
As shown in fig. 2-3, in this embodiment, preferably, a through hole is opened at the bottom of the sleeve 4, the detachable biopsy needle 5 is slidably connected to the sleeve 4 through the through hole, a barb 7 is opened on an outer wall of the detachable biopsy needle 5, the sleeve 4 is elastically connected to the housing 3 through the return spring 6, the outer wall of the detachable biopsy needle 5 penetrates through an inner wall of the sleeve 4, the outer wall of the first button 1 is provided with scale marks, the sleeve 4 is located at the front end of the housing 3, so as to simply fix a lesion position, so that a needle point of the detachable biopsy needle 5 can penetrate into skin tissue more conveniently to take materials, and the detachable biopsy needle 5 is protected from being contaminated after being separated from the skin tissue of a human body.
Example 2
As shown in fig. 4-5, on the basis of embodiment 1, the utility model provides a technical solution: the bottom of the first key 1 is fixedly provided with a connecting piece 8, the bottom of the connecting piece 8 is fixedly connected with the outer wall of the detachable biopsy needle 5, the bottom of the second key 2 is provided with a connecting pipe 9, the outer wall of the connecting pipe 9 is slidably connected with the inner wall of the shell 3, the outer wall of the connecting piece 8 penetrates through the inner wall of the connecting pipe 9, the inner wall of the connecting pipe 9 is provided with a micro air cavity 10, a hollow block 11 and a gas pipe 12, the bottom of the micro air cavity 10 is fixedly connected with the bottom of the inner wall of the connecting pipe 9, the right side of the micro air cavity 10 is communicated with the left side of the gas pipe 12, the bottom of the hollow block 11 is fixedly connected with the bottom of the inner wall of the connecting pipe 9, the hollow block 11 is arranged at the left side of the micro air cavity 10, the outer wall of the connecting piece 8 is provided with an arc-shaped clamping block 13, the combination arrangement of the arc-shaped clamping block 13 and the hollow block 11 is adopted, and the clamping fixation of the connecting piece 8 can be realized, and the telescopic distance of the telescopic pipe 15 is changed when the air pressure in the arranged micro air cavity 10 is changed, so that the arc-shaped clamping block 13 is contacted with the connecting piece 8, whether the arc-shaped clamping block 13 and the connecting piece 8 are clamped and fixed or not is adjusted by changing the air pressure in the micro air cavity 10, the two sides of the arc-shaped clamping block 13 are provided with a receiving pipe 14 and a telescopic pipe 15, the outer wall of the telescopic pipe 15 is welded with a limiting block, the limiting block is arranged at the two ends of the arc-shaped clamping block 13, the telescopic pipe 15 can drive the arc-shaped clamping block 13 to move when moving, the outer wall of the arc-shaped clamping block 13 is provided with a pipe hole, the telescopic pipe 15 is connected with the arc-shaped clamping block 13 in a sliding way through the arranged pipe hole, the upper end and the lower end of the arc-shaped clamping block 13 are connected with the inner wall of the connecting pipe 9 in a sliding way, and one side of the receiving pipe 14 is fixedly connected with the left side of the inner wall of the connecting pipe 9, receive and release and be provided with spring and sealing rubber ring in the inside of pipe 14, can make flexible pipe 15 and receive and release the distance between the pipe 14 and change through the change of miniature air cavity 10, the outer wall of flexible pipe 15 and the hollow inner wall embedding of taking piece 11 are connected, the hollow inside of taking piece 11 is provided with hollow chamber and flexible pipe for sealing connection, and also be sealing connection between the miniature air cavity 10, the inside wall of arc fixture block 13 and the outer wall overlap joint of connecting piece 8, the left side of miniature air cavity 10 and the hollow right side pipe connection of taking piece 11, the outer wall of gas-supply pipe 12 and the inner wall embedding of second button 2 are connected.
The following is a detailed description of the working principle of the needle handle for the detachable biopsy needle:
as shown in fig. 1-5, when the biopsy operation is not started, the needle tip of the detachable biopsy needle 5 is parallel to the bottom of the sleeve 4 or is exposed a little distance from the bottom of the sleeve 4, the detachable biopsy needle 5 compresses the reset spring 6 and moves a certain distance by the pushing element in the first button 1, the detachable biopsy needle 5 which moves before the elastic potential of the reset spring 6 is released by the reset element resets, and the barb 7 arranged at the bottom of the detachable biopsy needle 5 can carry skin tissue to return to the sleeve, so that the medical staff can detect the sample.
The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.
Claims (6)
1. The utility model provides a can dismantle needle handle for biopsy needle, includes first button (1), second button (2), casing (3) and sleeve pipe (4), the outer wall of first button (1) and the inner wall sliding connection of casing (3), the outer wall of sleeve pipe (4) is connected with the inner wall of casing (3) is embedded firmly, the outer wall of second button (2) and the inner wall sliding connection of casing (3), its characterized in that: the inner wall of casing (3) is provided with can dismantle biopsy needle (5), the inner wall of sleeve pipe (4) is provided with reset spring (6), the inner wall bottom fixed connection of the bottom of reset spring (6) and casing (3), the inner wall top fixed connection of the top of reset spring (6) and sleeve pipe (4).
2. A detachable biopsy needle handle according to claim 1, wherein: the through-hole has been seted up to the bottom of sleeve pipe (4), and can dismantle biopsy needle (5) through the through-hole and sleeve pipe (4) sliding connection who sets up, barb (7) have been seted up to the outer wall of dismantling biopsy needle (5), return spring (6) and casing (3) elastic connection through setting up in sleeve pipe (4), the outer wall of dismantling biopsy needle (5) runs through in the inner wall of sleeve pipe (4), the outer wall of first button (1) is provided with the scale mark.
3. A detachable biopsy needle handle according to claim 1, wherein: a connecting piece (8) is fixedly arranged at the bottom of the first key (1), the bottom of the connecting piece (8) is fixedly connected with the outer wall of the detachable biopsy needle (5), the bottom of the second key (2) is provided with a connecting pipe (9), the outer wall of the connecting pipe (9) is connected with the inner wall of the shell (3) in a sliding way, the outer wall of the connecting piece (8) penetrates through the inner wall of the connecting pipe (9), the inner wall of the connecting pipe (9) is provided with a micro air cavity (10), a hollow block (11) and an air pipe (12), the bottom of the micro air cavity (10) is fixedly connected with the bottom of the inner wall of the connecting pipe (9), the right side of the micro air cavity (10) is communicated with the left side of the air conveying pipe (12), the bottom of the hollow block (11) is fixedly connected with the bottom of the inner wall of the connecting pipe (9), and the hollow block (11) is arranged on the left side of the micro air cavity (10).
4. A detachable biopsy needle handle according to claim 3, wherein: the outer wall of connecting piece (8) is provided with arc fixture block (13), the both sides of arc fixture block (13) are provided with receive and release pipe (14) and flexible pipe (15), the tube hole has been seted up to the outer wall of arc fixture block (13), and flexible pipe (15) through the tube hole that sets up and arc fixture block (13) sliding connection, the upper and lower both ends of arc fixture block (13) and the inner wall sliding connection of connecting pipe (9).
5. A detachable biopsy needle handle according to claim 4, wherein: one side of the take-up and pay-off pipe (14) is fixedly connected with the left side of the inner wall of the connecting pipe (9), the outer wall of the telescopic pipe (15) is connected with the inner wall of the hollow block (11) in an embedded mode, and the inner side wall of the arc-shaped clamping block (13) is in lap joint with the outer wall of the connecting piece (8).
6. A detachable biopsy needle handle according to claim 3, wherein: the left side of the micro air cavity (10) is connected with a right side pipeline of the hollow block (11), and the outer wall of the air pipe (12) is connected with the inner wall of the second key (2) in an embedded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022931553.2U CN214208391U (en) | 2020-12-10 | 2020-12-10 | Detachable needle handle for biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022931553.2U CN214208391U (en) | 2020-12-10 | 2020-12-10 | Detachable needle handle for biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214208391U true CN214208391U (en) | 2021-09-17 |
Family
ID=77702022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022931553.2U Expired - Fee Related CN214208391U (en) | 2020-12-10 | 2020-12-10 | Detachable needle handle for biopsy needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214208391U (en) |
-
2020
- 2020-12-10 CN CN202022931553.2U patent/CN214208391U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |