CN220175155U - Biopsy needle sampling winding structure - Google Patents
Biopsy needle sampling winding structure Download PDFInfo
- Publication number
- CN220175155U CN220175155U CN202321656924.8U CN202321656924U CN220175155U CN 220175155 U CN220175155 U CN 220175155U CN 202321656924 U CN202321656924 U CN 202321656924U CN 220175155 U CN220175155 U CN 220175155U
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- China
- Prior art keywords
- connecting rod
- handle
- winding
- biopsy needle
- pulling plate
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- 238000001574 biopsy Methods 0.000 title claims abstract description 32
- 238000004804 winding Methods 0.000 title claims abstract description 30
- 238000005070 sampling Methods 0.000 title claims abstract description 18
- 230000009471 action Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010064912 Malignant transformation Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000036212 malign transformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Abstract
The utility model discloses a biopsy needle sampling winding structure which comprises a handle, a winding connecting rod and a winding pulling plate, wherein the front end of the handle is provided with symmetrically arranged rotating shaft mounting holes, the rear end far away from the rotating shaft mounting holes is provided with locking buckles, the front end of the handle is symmetrically provided with two first rotating shafts which are rotationally connected with the rotating shaft mounting holes, the front end of the winding connecting rod is provided with a deformation strip, the rear end of the winding connecting rod is provided with a connecting rod base connected with the deformation strip, the winding pulling plate is arranged in an inner cavity of the handle and comprises a convex end face arranged at one end of the winding pulling plate and a connecting rod base square groove arranged at the rear end of the back surface of the winding pulling plate. The utility model has the beneficial effects that: the winding structure is a push type primary winding, the structure is simple, the operation is convenient, the performance is stable, when in use, medical staff operates, the handle is pulled up to drive the connecting rod to do parallel motion with the pulling plate, the pulling plate buckling position is clamped to the inner needle seat and the outer needle seat and then is pushed to the bottom, and the handle and the locking buckle are clamped to the connecting rod and the deformation strip, so that the winding action is completed.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a biopsy needle sampling winding structure.
Background
For diagnosis and treatment of malignant tumors, analyzing the biopsy condition of other tissues before malignant transformation of the tissues, and how to relieve the pain of patients to the greatest extent, safely, rapidly and at low cost, taking out target tissues from the body is a long-term research field.
Percutaneous aspiration biopsy, i.e., a single-use biopsy needle that enters human target tissue through a small incision and cuts a tissue specimen for examination and analysis, has significant advantages over other known sampling techniques: the recovery time of the patient is short, the pain is small, the operation time is short, the cost is low, the risk of adjacent infection is low, the damage to the patient is small, and the damage to adjacent body tissues such as nerves is reduced.
The biopsy sample acquisition modes of biopsy needle products commonly used in the current market can be divided into: aspiration biopsy needle, incising biopsy needle, and aspiration incising biopsy needle. The most widely applied range and the most mature performance are cut biopsy needles.
The biopsy needle can be used in the following ways: a manual biopsy needle; motorized assembly biopsy needle; motorized integrated biopsy needle;
the existing biopsy needle sampling power device principle is a double-tube cutting mode, under the action of the force of a spring, the rear inner needle seat impacts the front outer needle seat to realize tube cutting, and the power device is complex in structure, and has the following structure as disclosed in the specification: the full-automatic biopsy needle disclosed in CN216876432U has a complex structure, and is inconvenient to operate when a medical staff takes a sample again.
Disclosure of Invention
The utility model aims to provide a biopsy needle sampling winding structure which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a biopsy needle sample string structure, includes handle, string connecting rod and string pulling plate, the handle front end is equipped with the pivot mounting hole that the symmetry set up, keeps away from the rear end of pivot mounting hole is equipped with the locking hole, handle front end symmetry be equipped with two with the first pivot that the pivot mounting hole rotates to be connected, string connecting rod front end is equipped with the deformation strip, and its rear end is equipped with the connecting rod base of being connected with it, string pulling plate set up in the handle inner chamber, including set up in the protruding terminal surface of its one end and the connecting rod seat square groove of back rear end.
Further preferably, an upper chord pull rod rotating shaft mounting hole is formed in the middle of the handle, and the handle is rotated through the upper chord pull rod rotating shaft mounting hole.
Further preferably, two second rotating shafts are symmetrically arranged at one end of the deformation strip, which is far away from the square groove of the connecting rod seat, and the two symmetrically arranged second rotating shafts can realize rotation of the deformation strip.
Further preferably, the two second rotating shafts are respectively connected with the upper chord pull rod rotating shaft mounting holes in a rotating mode, and the upper chord pull rod is rotated through the two rotating shafts.
Further preferably, a deformation shaft is arranged between the rear end of the deformation strip and the connecting rod base, the deformation shaft is triangular, the deformation shaft has a deformation effect, and in addition, the triangular deformation shaft is stable in structure and higher in strength.
Further preferably, a locking buckle is further arranged on one side of the connecting rod base, and clamping limiting work after the connecting rod base is wound is achieved.
Further preferably, the connecting rod base is installed in the connecting rod base square groove, and a groove for installing the connecting rod base is formed in the connecting rod base square groove.
Further preferably, a rotating shaft hole which is rotationally connected with the upper chord connecting rod is arranged at the rear part of the handle, and the rotating shaft hole can be used for free rotation of the handle.
Further preferably, the handle is composed of a left side shell and a right side shell which are arranged in a mirror symmetry mode, and the handle and the left side shell and the right side shell are of an integrated structure, and the handle is integrated after being assembled.
Advantageous effects
The biopsy needle sampling winding structure provided by the utility model has the advantages that the winding structure is a push-type primary winding structure, the structure is simple, the operation is convenient, the performance is stable, when in use, medical staff pulls up the handle to drive the connecting rod and the pulling plate to do parallel motion, the buckling position of the pulling plate is clamped to the inner needle seat and the outer needle seat and then is pushed to the bottom, and the handle and the locking buckle are clamped to the connecting rod and the deformation strip, so that the winding action is completed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic view of the handle structure of the present utility model;
FIG. 4 is a schematic view of the handle structure of the present utility model;
FIG. 5 is a schematic view of the structure of the upper chord connecting rod of the present utility model;
fig. 6 is a schematic view of the structure of the upper chord pulling plate according to the present utility model.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Examples
As shown in fig. 1-6, a biopsy needle sampling winding structure comprises a handle 1, a handle 2, a winding connecting rod 3 and a winding pulling plate 4, wherein the front end of the handle 1 is provided with a rotating shaft mounting hole 11 which is symmetrically arranged, the rear end far away from the rotating shaft mounting hole 11 is provided with a locking hole 13, the front end of the handle 2 is symmetrically provided with two first rotating shafts 21 which are rotationally connected with the rotating shaft mounting hole 11, the front end of the winding connecting rod 3 is provided with a deformation strip 31, the rear end of the winding connecting rod 3 is provided with a connecting rod base 33 which is connected with the front end of the winding connecting rod, and the winding pulling plate 4 is arranged in an inner cavity of the handle 2 and comprises a convex end face 41 arranged at one end of the winding pulling plate and a connecting rod base square groove 42 at the rear end of the back surface of the winding pulling plate.
In this embodiment, the middle part of the handle 1 is provided with an upper chord pull rod rotating shaft mounting hole 12, and the handle 1 is rotated through the upper chord pull rod rotating shaft mounting hole 12.
Two second rotating shafts 32 are symmetrically arranged at one end of the deformation strip 31 far away from the square groove 42 of the connecting rod seat, and the rotation of the deformation strip 31 can be realized by the two symmetrically arranged second rotating shafts 32.
The two second rotating shafts 32 are respectively connected with the upper chord pull rod rotating shaft mounting holes 12 in a rotating mode, and the upper chord pull rod 3 is rotated through the two rotating shafts 32.
A deformation shaft 35 is arranged between the rear end of the deformation bar 31 and the connecting rod base 33, the deformation shaft 35 is triangular, the deformation shaft 35 plays a role in deformation, and when the deformation bar 31 rotates, the deformation shaft 35 can realize the deformation function of the deformation bar 31 through deformation.
And a locking buckle 34 is further arranged on one side of the connecting rod base 33, and the locking limiting work after the connecting rod base is wound is realized through the arrangement of the locking buckle 34.
The connecting rod base 33 is installed in the connecting rod base square groove 42, a groove for installing the connecting rod base 33 is formed in the connecting rod base square groove 42, and the connecting rod base 33 is fixed and limited to the inside of the groove.
The rear part of the handle 2 is provided with a rotary shaft hole 22 which is rotationally connected with the upper chord connecting rod 3, and the rotary shaft hole 22 can be used for free rotation of the handle 2.
The handle 2 is composed of a left side shell and a right side shell which are arranged in a mirror symmetry mode, and the handle 2 is of an integrated structure, and the handle 2 is integrally formed through the combination of the shells arranged on the left side and the right side.
The handle 2 takes the rotating shaft as a center point, the handle is pulled up to drive the connecting rod 3, the connecting rod 3 drives the pulling plate 4 to do parallel motion, and the pulling plate 41 is pressed to the bottom when the buckling position of the pulling plate is clamped to the inner needle seat and the outer needle seat; the handle 2 and the locking hole 13 are clamped on the connecting rod 3 and the deformation strip 31 to finish winding.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the summary of the present utility model within the scope of the present utility model.
Claims (9)
1. A biopsy needle sampling winding structure, characterized in that: including handle (1), handle (2), last chord connecting rod (3) and last chord pulling plate (4), handle (1) front end is equipped with pivot mounting hole (11) that the symmetry set up, is kept away from the rear end of pivot mounting hole (11) is equipped with locking hole (13), handle (2) front end symmetry be equipped with two with first pivot (21) that pivot mounting hole (11) rotate to be connected, last chord connecting rod (3) front end is equipped with deformation strip (31), and the rear end is equipped with connecting rod base (33) that are connected with it, go up chord pulling plate (4) set up in handle (2) inner chamber, including set up in protruding terminal surface (41) of its one end and connecting rod seat square groove (42) of the rear end of the back.
2. The biopsy needle sampling cocking mechanism of claim 1, wherein: the middle part of the handle (1) is provided with an upper chord pull rod rotating shaft mounting hole (12).
3. The biopsy needle sampling cocking mechanism of claim 2, wherein: two second rotating shafts (32) are symmetrically arranged at one end of the deformation strip (31) far away from the square groove (42) of the connecting rod seat.
4. A biopsy needle sampling cocking structure according to claim 3, wherein: the two second rotating shafts (32) are respectively connected with the upper chord pull rod rotating shaft mounting holes (12) in a rotating mode.
5. The biopsy needle sampling cocking mechanism of claim 1, wherein: a deformation shaft (35) is arranged between the rear end of the deformation strip (31) and the connecting rod base (33), and the deformation shaft (35) is triangular.
6. The biopsy needle sampling cocking mechanism of claim 1, wherein: one side of the connecting rod base (33) is also provided with a locking buckle (34).
7. The biopsy needle sampling cocking mechanism of claim 1, wherein: the connecting rod base (33) is arranged in the connecting rod base square groove (42).
8. The biopsy needle sampling cocking mechanism of claim 1, wherein: the rear part of the handle (2) is provided with a rotary shaft hole (22) which is rotationally connected with the upper chord connecting rod (3).
9. The biopsy needle sampling cocking mechanism of claim 1, wherein: the handle (2) is composed of a left shell and a right shell which are arranged in a mirror symmetry mode, and the handle and the right shell are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321656924.8U CN220175155U (en) | 2023-06-28 | 2023-06-28 | Biopsy needle sampling winding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321656924.8U CN220175155U (en) | 2023-06-28 | 2023-06-28 | Biopsy needle sampling winding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220175155U true CN220175155U (en) | 2023-12-15 |
Family
ID=89100501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321656924.8U Active CN220175155U (en) | 2023-06-28 | 2023-06-28 | Biopsy needle sampling winding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220175155U (en) |
-
2023
- 2023-06-28 CN CN202321656924.8U patent/CN220175155U/en active Active
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