CN215458238U - Efficient biopsy extractor - Google Patents
Efficient biopsy extractor Download PDFInfo
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- CN215458238U CN215458238U CN202121807848.7U CN202121807848U CN215458238U CN 215458238 U CN215458238 U CN 215458238U CN 202121807848 U CN202121807848 U CN 202121807848U CN 215458238 U CN215458238 U CN 215458238U
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- button
- sleeve
- mounting hole
- connecting block
- connecting piece
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- 238000001574 biopsy Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 21
- 210000000988 bone and bone Anatomy 0.000 abstract description 11
- 210000001519 tissue Anatomy 0.000 abstract description 9
- 210000001185 bone marrow Anatomy 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000000605 extraction Methods 0.000 description 5
- 206010061728 Bone lesion Diseases 0.000 description 4
- 108010048734 sclerotin Proteins 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 208000020084 Bone disease Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007470 bone biopsy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of medical devices, in particular to a high-efficiency biopsy extractor. The efficient biopsy extractor comprises a material taking assembly and an adjusting assembly, wherein the material taking assembly comprises an inner tube and a handle, a through channel is arranged in the handle, a connecting block is arranged in the channel, one end of the inner tube is fixedly connected with the connecting block, the other end of the inner tube is provided with material taking teeth, the outer wall of one end of the inner tube, which is provided with the material taking teeth, comprises a gradually expanding section, and one end of the inner tube, which is provided with the material taking teeth, is provided with a notch; the adjusting component comprises a sleeve, a sleeve connecting piece and a button, the sleeve connecting piece is installed in the channel, a sleeve mounting hole, a connecting block accommodating hole and a button mounting hole are sequentially formed in the sleeve connecting piece, the connecting end of the button is installed in the button mounting hole in a limiting mode, the pressing end of the button is abutted to the outer wall of the sleeve connecting piece, and a spring is arranged between the button and the connecting block. The bone marrow taking device provided by the utility model can hold the focus tissue tightly after cutting the bone focus tissue, and can take the bone marrow out smoothly, so that the sampling success rate is extremely high.
Description
Technical Field
The utility model relates to the technical field of medical devices, in particular to a high-efficiency biopsy extractor.
Background
Biopsy is a technique of taking a diseased tissue from a patient's body by cutting, clamping, puncturing, or the like, and performing pathological examination, which is called "biopsy" for short, surgical pathology examination, and is called "diagnosis and treatment". Bone biopsy extractors are tools used in the extraction of bone lesion tissue samples prior to a planned surgery by a patient, making a definitive diagnosis prior to the surgery.
Most of the existing biopsy extractors adopt an extraction cylinder to cut and extract osteopathy focus tissues, the osteopathy focus tissues are left in an inner cavity of the extraction cylinder and then are taken out, and the success rate of obtaining samples meeting requirements after the biopsy extractors are inserted into bones once is relatively low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient biopsy extractor, which overcomes the defects of the prior art, and has the advantages that bone lesion tissues are cut and then tightly held, the bone lesion tissues are smoothly taken out, and the success rate of obtaining samples meeting the requirements by inserting the bone lesion tissues into a single time is extremely high.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a high efficiency biopsy extractor comprising a material extraction assembly and an adjustment assembly, wherein:
the material taking assembly comprises an inner pipe and a handle, a through channel is arranged in the handle, a connecting block is arranged in the channel, the width of the connecting block is smaller than that of the channel, one end of the inner pipe is fixedly connected with the connecting block, material taking teeth are arranged at the other end of the inner pipe, the outer wall of one end of the inner pipe, provided with the material taking teeth, comprises a gradually expanding section, one end of the inner pipe, provided with the material taking teeth, is provided with a notch, and the notch penetrates through the gradually expanding section;
the adjusting assembly comprises a sleeve, a sleeve connecting piece and a button, the sleeve connecting piece is installed in the channel, a sleeve mounting hole, a connecting block accommodating hole and a button mounting hole are sequentially formed in the sleeve connecting piece, the sleeve mounting hole, the connecting block accommodating hole and the button mounting hole are communicated, the width of the button mounting hole is larger than that of the connecting block accommodating hole, a first limiting block is arranged in the button mounting hole, the button comprises a connecting end and a pressing end, a second limiting block is arranged at the connecting end of the button, the connecting end of the button is installed in the button mounting hole through the matching of the first limiting block and the second limiting block, the pressing end of the button is abutted against the outer wall of the sleeve connecting piece, one end of the sleeve is fixed in the sleeve mounting hole, and the sleeve is sleeved outside the inner tube;
a spring is arranged between the button and the connecting block, when the spring naturally extends out, the connecting block is positioned in the connecting block accommodating hole, and one end of the sleeve, which is far away from the sleeve connecting piece, is positioned at the narrow end of the gradually-expanded section of the inner pipe;
when the efficient biopsy extractor is used, the handle is held to rotate the front end of the inner tube of the biopsy extractor with the extracting teeth to cut bone, part of bone can enter the inner tube with the extracting teeth, when the inner cavity at the front end of the inner tube enters the depth required by the biopsy taking position, the inner tube stops going deep, the handle is kept still, the button is pressed downwards, the pressing end of the button presses the sleeve connecting piece downwards to further drive the sleeve to move downwards relative to the inner tube, the front end of the sleeve pushes the gradually expanding section at the front end of the inner tube to be closed along the notch in the moving process, the front end of the inner tube is extruded to shrink, therefore, the bone in the inner cavity of the inner tube is tightly held, the button is kept still to move the whole efficient biopsy extractor out, the button is released after the moving out, and the bone at the front end of the inner tube is taken out and transferred to a vessel for biopsy to detect.
Furthermore, the width of the sleeve pipe connecting piece is matched with the width of the channel, so that the stability of the sleeve pipe connecting piece in the moving process is improved, and the stability of the sleeve pipe in the moving process is further improved.
Furthermore, the connecting end of the button comprises two symmetrically arranged connecting plates, and the lower ends of the connecting plates are symmetrically provided with second limiting blocks; first limiting blocks matched with the second limiting blocks are symmetrically arranged in the button mounting holes, so that the buttons can be conveniently mounted.
Further, be provided with the inclined plane of mutually supporting and the joint face of mutually supporting before first stopper and the second stopper, when the button was installed in the button mounting hole, the inclined plane of first stopper and second stopper cooperateed for the second stopper can be smooth by pushing the inboard space of first stopper, under the effect of spring, the joint face laminating of first stopper and second stopper effectively prevents that the button from deviating from the button mounting hole.
Furthermore, a spring guide shaft is arranged at the pressing end of the button, and the upper end of the spring is sleeved outside the spring guide shaft, so that the spring does not deflect left and right in the pressing process.
Further, the inner pipe is in threaded connection with the connecting block.
Furthermore, a pressing end movable groove is formed in the handle.
The utility model has the beneficial effects that: compared with the prior art, the efficient biopsy extractor disclosed by the utility model has the following advantages: the structure design is reasonable, the operation is convenient, the success rate of obtaining samples meeting the requirements by inserting the biopsy extractor into bones once is high, when the high-efficiency biopsy extractor is used, the handle is held to rotate the biopsy extractor to cut sclerotin at the front end of the inner tube with the extracting teeth, part of sclerotin can enter the inner tube with the extracting teeth, when the inner cavity at the front end of the inner tube enters the depth required by the extracting teeth, the inner tube stops going deep, the handle is kept still, the button is pressed downwards, the pressing end of the button presses the sleeve connecting piece downwards to drive the sleeve to move downwards relative to the inner tube, the gradually expanding section at the front end of the inner tube is pushed to be closed along the notch in the moving process of the front end of the sleeve to extrude the front end of the inner tube to shrink, thereby realizing the cohesion of the sclerotin in the inner cavity of the inner tube, the button is kept still to move the whole high-efficiency biopsy extractor out, the button is loosened after the moving out, the sclerotin at the front end of the inner tube is taken out and transferred to a vessel for biopsy, for use in detection.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of area A of FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic cross-sectional view of the structure B-B' of FIG. 3 according to the present invention;
FIG. 5 is a schematic perspective view of a take-out assembly according to the present invention;
FIG. 6 is a side view of the take-off assembly of the present invention;
FIG. 7 is a schematic cross-sectional view of the structure of FIG. 6C-C' according to the present invention;
FIG. 8 is a schematic view of the adjustment assembly of the present invention with the button removed;
FIG. 9 is another angular configuration of the adjustment assembly of the present invention with the button removed;
wherein, 1 inner tube, 2 handles, 3 passageways, 4 connecting blocks, 5 get material tooth, 6 gradually expand section, 7 incisions, 8 sleeve pipes, 9 sleeve pipe connecting pieces, 10 buttons, 11 sleeve pipe mounting holes, 12 connecting block accommodation holes, 13 button mounting holes, 14 first stopper, 15 second stopper, 16 springs, 17 spring guide shafts, 18 press end activity grooves.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the embodiment shown in fig. 1-9, a high efficiency biopsy extractor includes a material extraction assembly and an adjustment assembly, wherein:
the material taking assembly comprises an inner pipe 1 and a handle 2, a through channel 3 is arranged in the handle 2, a connecting block 4 is arranged in the channel 3, the width of the connecting block 4 is smaller than that of the channel 3, one end of the inner pipe 1 is fixedly connected with the connecting block 4, the other end of the inner pipe 1 is provided with material taking teeth 5, the outer wall of one end, provided with the material taking teeth 5, of the inner pipe 1 contains a gradually expanding section 6, one end, provided with the material taking teeth 5, of the inner pipe 1 is provided with a notch 7, and the notch 7 penetrates through the gradually expanding section 6;
the adjusting assembly comprises a sleeve 8, a sleeve connecting piece 9 and a button 10, the sleeve connecting piece 9 is installed in the channel 3, a sleeve mounting hole 11, a connecting block accommodating hole 12 and a button mounting hole 13 are sequentially formed in the sleeve connecting piece 9, the sleeve mounting hole 11, the connecting block accommodating hole 12 and the button mounting hole 13 are communicated, the width of the button mounting hole 13 is larger than that of the connecting block accommodating hole 12, a first limiting block 14 is arranged in the button mounting hole 13, the button 10 comprises a connecting end and a pressing end, the connecting end of the button 10 is provided with a second limiting block 15, the connecting end of the button 10 is installed in the button mounting hole 13 through the matching of the first limiting block 14 and the second limiting block 15, the pressing end of the button 10 abuts against the outer wall of the sleeve connecting piece 9, one end of the sleeve 8 is fixed in the sleeve mounting hole 11, and the sleeve 8 is sleeved outside the inner pipe 1;
a spring 16 is arranged between the button 10 and the connecting block 4, when the spring 16 naturally extends out, the connecting block 4 is positioned in the connecting block accommodating hole 12, and one end of the sleeve 8 far away from the sleeve connecting piece 9 is positioned at the narrow end of the gradually-expanded section 6 of the inner pipe 1;
when the efficient biopsy extractor is used, the handle 2 is held, the front end of the inner tube 1 with the taking-out teeth of the biopsy extractor is rotated to cut bone substances, part of the bone substances can enter the inner tube 1 with the taking-out teeth, when the inner cavity at the front end of the inner tube 1 enters the depth required by taking the biopsy part, the biopsy extractor stops going deep, the handle 2 is kept still, the button 10 is pressed downwards, the pressing end of the button 10 presses the sleeve connecting piece 9 downwards, the sleeve 8 is driven to move downwards relative to the inner tube 1, the front end of the sleeve 8 pushes the gradually expanding section 6 at the front end of the inner tube 1 to be closed along the cut in the moving process, the front end of the inner tube 1 is extruded to shrink, accordingly, the bone substances in the inner cavity of the inner tube 1 are tightly held, the button 10 is kept still to move the whole efficient biopsy extractor out, the button 10 is loosened after the moving out, and the bone substances at the front end of the inner tube 1 are taken out and transferred to a biopsy container for detection.
In this embodiment, the width of the sleeve pipe connecting piece 9 is matched with the width of the channel 3, so that the stability of the sleeve pipe connecting piece 9 in the moving process is improved, and the stability of the sleeve pipe 8 in the moving process is further improved.
In this embodiment, the connecting end of the button 10 includes two symmetrically arranged connecting plates, and the lower ends of the connecting plates are symmetrically provided with second limiting blocks 15; the button mounting hole 13 is symmetrically provided with a first stopper 14 matched with a second stopper 15, so that the button 10 can be conveniently mounted.
In this embodiment, first stopper 14 and second stopper 15 are provided with the inclined plane of mutually supporting and the joint face of mutually supporting before, and when button 10 installed in button mounting hole 13, the inclined plane of first stopper 14 and second stopper 15 cooperatees for second stopper 15 can be smooth is pushed the inboard space of first stopper 14, and under spring 16's effect, the joint face laminating of first stopper 14 and second stopper 15 prevents effectively that button 10 from deviating from in button mounting hole 13.
In this embodiment, the pressing end of the button 10 is provided with a spring guide shaft 17, and the upper end of the spring 16 is sleeved outside the spring guide shaft 17, so that the spring 16 does not deflect left and right in the pressing process.
In this embodiment, the inner tube 1 is connected with the connecting block 4 by screw threads.
In this embodiment, the handle 2 is provided with a pressing end movable groove 18.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. An efficient biopsy extractor, comprising: get material subassembly and adjusting part including, wherein:
the material taking assembly comprises an inner pipe and a handle, a through channel is arranged in the handle, a connecting block is arranged in the channel, the width of the connecting block is smaller than that of the channel, one end of the inner pipe is fixedly connected with the connecting block, material taking teeth are arranged at the other end of the inner pipe, the outer wall of one end of the inner pipe, provided with the material taking teeth, comprises a gradually expanding section, one end of the inner pipe, provided with the material taking teeth, is provided with a notch, and the notch penetrates through the gradually expanding section;
the adjusting assembly comprises a sleeve, a sleeve connecting piece and a button, the sleeve connecting piece is installed in the channel, a sleeve mounting hole, a connecting block accommodating hole and a button mounting hole are sequentially formed in the sleeve connecting piece, the width of the button mounting hole is larger than that of the connecting block accommodating hole, a first limiting block is arranged in the button mounting hole, the button comprises a connecting end and a pressing end, a second limiting block is arranged at the connecting end of the button, the connecting end of the button is installed in the button mounting hole through the matching of the first limiting block and the second limiting block, the pressing end of the button is abutted against the outer wall of the sleeve connecting piece, one end of the sleeve is fixed in the sleeve mounting hole, and the sleeve is sleeved outside the inner pipe;
and a spring is arranged between the button and the connecting block, and when the spring naturally extends out, the connecting block is positioned in the connecting block accommodating hole, and one end of the sleeve pipe, which is far away from the sleeve pipe connecting piece, is positioned at the narrow end of the gradually-expanded section of the inner pipe.
2. The efficient biopsy extractor of claim 1, wherein: the width of the sleeve connecting piece is matched with the width of the channel.
3. The efficient biopsy extractor of claim 1, wherein: the connecting end of the button comprises two symmetrically arranged connecting plates, and the lower ends of the connecting plates are symmetrically provided with second limiting blocks; first limiting blocks matched with the second limiting blocks are symmetrically arranged in the button mounting holes.
4. A high efficiency biopsy extractor as claimed in claim 3, wherein: the first limiting block and the second limiting block are provided with inclined surfaces matched with each other and clamping surfaces matched with each other in front.
5. The efficient biopsy extractor of claim 1, wherein: the pressing end of the button is provided with a spring guide shaft, and the upper end of the spring is sleeved outside the spring guide shaft.
6. The efficient biopsy extractor of claim 1, wherein: the inner pipe is in threaded connection with the connecting block.
7. The efficient biopsy extractor of claim 1, wherein: the handle is provided with a pressing end movable groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121807848.7U CN215458238U (en) | 2021-08-04 | 2021-08-04 | Efficient biopsy extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121807848.7U CN215458238U (en) | 2021-08-04 | 2021-08-04 | Efficient biopsy extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215458238U true CN215458238U (en) | 2022-01-11 |
Family
ID=79755571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121807848.7U Active CN215458238U (en) | 2021-08-04 | 2021-08-04 | Efficient biopsy extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215458238U (en) |
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2021
- 2021-08-04 CN CN202121807848.7U patent/CN215458238U/en active Active
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