CN216702573U - Novel centrum bone tissue get biopsy instrument - Google Patents
Novel centrum bone tissue get biopsy instrument Download PDFInfo
- Publication number
- CN216702573U CN216702573U CN202120142183.6U CN202120142183U CN216702573U CN 216702573 U CN216702573 U CN 216702573U CN 202120142183 U CN202120142183 U CN 202120142183U CN 216702573 U CN216702573 U CN 216702573U
- Authority
- CN
- China
- Prior art keywords
- inner tube
- sampling
- outer tube
- sample
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model relates to a novel centrum bone tissue biopsy taking instrument, which comprises an outer tube sampling assembly, an inner tube sampling assembly and a push rod assembly, wherein the outer tube sampling assembly comprises an outer tube sampling handle and a sampling outer tube, the sampling outer tube is fixedly connected with the outer tube sampling handle, the far end of the sampling outer tube is provided with an outer tube sampling component, the outer tube sampling component is subjected to reducing treatment, the inner tube assembly comprises an inner tube sampling handle, an inner tube connecting piece, a rotating piece and a sampling inner tube, the outer tube sampling handle is fixedly connected with the inner tube sampling handle, the inner tube connecting piece is fixedly connected with the sampling inner tube, the far end of the sampling inner tube is provided with the inner tube sampling component, and the inner tube sampling component can be formed by one or a plurality of sheet structures, through the rotation piece, sample inner tube connecting piece and inner tube are along axial forward, make inner tube sample section follow the outer tube sample section closure that gos forward of reducing, realize the function of cutting off of bone tissue.
Description
Technical Field
The utility model belongs to the field of medical instruments, and relates to a centrum bone tissue biopsy taking instrument.
Background
The main indications of percutaneous vertebroplasty are osteoporosis compression fracture and vertebral tumor, wherein the vertebral tumor is the earliest target of percutaneous vertebroplasty, and a needle biopsy is needed during the operation process in order to determine the pathology of the tumor. At present, the most common biopsy taking instrument in the market consists of a needle core part and a needle tube part, and is mainly inserted into a vertebral body through the needle tube part, and bone tissues in the vertebral body enter the needle tube through rotation or a suction device so as to realize the extraction of lesion tissues. However, in clinical feedback, the existing instruments are difficult to retain bone tissues in the needle tube during withdrawal during operation, and a sufficient amount of bone tissues cannot be obtained for pathological examination with a high probability.
In order to solve the above problems, there is a need for a biopsy instrument that ensures that more bone tissue can be harvested
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects of the prior art, the present invention is directed to a biopsy instrument for harvesting bone tissue of a vertebral body, which solves the above-mentioned problems of the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a novel centrum bone tissue biopsy instrument comprises an outer tube sampling component, an inner tube sampling component and a push rod component, wherein the outer tube sampling component comprises an outer tube sampling handle and a sampling outer tube, the sampling outer tube is fixedly connected with the outer tube sampling handle, the far end of the sampling outer tube is provided with an outer tube sampling component, the outer tube sampling component is subjected to reducing treatment, the inner tube component comprises an inner tube sampling handle, an inner tube connecting piece, a rotating piece and a sampling inner tube, the outer tube sampling handle is fixedly connected with the inner tube sampling handle, the inner tube connecting piece is fixedly connected with the sampling inner tube, the far end of the sampling inner tube is provided with an inner tube sampling component, the inner tube sampling component can be formed by one or more sheet structures, and the inner tube connecting piece and the inner tube are axially advanced by rotating the rotating piece to enable the inner tube sampling component to advance along the reducing outer tube sampling component to be closed, realize the cutting off function of bone tissue, push rod subassembly includes push rod handle and push rod, the push rod with push rod handle fixed connection, the gliding insertion of push rod the intraductal sample.
Further, the end part of the outer tube sampling part is provided with a tooth shape, and the tooth shape can be three teeth or multiple teeth.
Furthermore, the reducing angle of the outer tube sampling part is 120-180 degrees.
Further, the end part of the push rod is in a plane shape, a triangular shape or a multi-edge shape.
Compared with the prior art, the utility model has the following advantages and progresses: the instrument for taking the biopsy of the vertebral body bone tissue has simple operation and convenient use, and can separate the required bone tissue from the vertebral body by closing the inner tube sampling component in the using process to obtain enough bone tissue for pathological examination.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the inner sampling tube assembly of the present invention;
FIG. 3 is a schematic structural view of an outer sampling tube assembly of the present invention;
FIG. 4 is a schematic structural view of the pushrod assembly of the present invention;
FIG. 5 is a schematic structural view of an outer sampling tube member of the present invention;
FIG. 6 is a schematic view of the end of the push rod of the present invention;
FIG. 7 is a schematic view of a surgical procedure according to the present invention;
FIG. 8 is a schematic view of the inner sampling tube grasping bone tissue according to the present invention;
FIG. 9 is a schematic diagram of the recycled inner sampling tube of the present invention;
FIG. 10 is an operational view of the push rod assembly of the present invention inserted into a sample inner tube assembly;
FIG. 11 is a schematic view showing the pushing out of the bone tissue according to the present invention.
Wherein the reference numbers in the figures are as follows: 1 is an inner tube sampling component, 11 is an inner tube sampling handle, 111 is a handle limiting part, 12 is a rotating part, 13 is an inner tube connecting piece, 14 is a sampling inner tube, 141 is an inner tube sampling component, 2 is an outer tube sampling component, 21 is an outer tube sampling handle, 22 is an outer sampling tube, 221 is an outer tube sampling component, 3 is a push rod component, 31 is a push rod handle, 32 is a push rod, 321 is a push rod end part
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail below with reference to the accompanying drawings and examples.
The proximal end of the utility model refers to the end close to the operator, and the distal end refers to the end far away from the operator.
Examples
As shown in fig. 1-4, a novel biopsy instrument for vertebral bone tissue sampling comprises an inner tube sampling assembly 1, an outer tube sampling assembly 2 and a push rod assembly 3, wherein the outer tube sampling assembly 2 comprises an outer tube sampling handle 21 and an outer tube sampling 22, the outer tube sampling handle 21 is fixedly connected with the outer tube sampling 22, an outer tube sampling component 221 is arranged at the far end of the outer tube sampling 22, the outer tube sampling component 221 performs diameter-changing processing, the inner tube sampling assembly 1 comprises an inner tube sampling handle 11, an inner tube connecting piece 13, a rotating piece 12 and an inner sampling tube 14, the outer tube sampling handle 21 is fixedly connected with the inner tube sampling handle 11, the inner tube connecting piece 13 is fixedly connected with the inner sampling tube 14, the far end of the inner sampling tube 14 is provided with an inner tube sampling component 141, and the inner tube sampling component 141 can be composed of one or a plurality of sheet structures, through rotating rotate piece 12, inner tube connecting piece 13 with sample inner tube 14 advances along the axial, makes inner tube sample part 141 along the reducing outer tube sample part 221 advances closed, realizes the function of cutting off of bone tissue, push rod assembly 3 includes push rod handle 31 and push rod 32, the push rod with push rod handle fixed connection, the push rod can gliding the inserting in the sample inner tube.
As shown in fig. 5, the end of the outer tube sampling part 221 is provided with a tooth shape, which may be three or more teeth;
as shown in fig. 5, the reducing angle of the outer tube sampling part 221 is 120-180 °;
as shown in fig. 6, the end 321 of the push rod is planar, triangular or polygonal;
the specific surgical procedure is as follows: firstly, establishing a puncture channel under a C-shaped arm, then, puncturing a novel centrum bone tissue biopsy taking device into a puncture needle tube to enable the end of the device to be flush with the end face of the puncture needle tube, as shown in figure 7, withdrawing the push rod handle 31, then, continuously puncturing the device into a centrum, observing to a desired position under a perspective view, rotating the rotating part 12, enabling the inner tube connecting part 13 and the sampling inner tube 14 to axially advance, enabling the inner tube sampling part 141 to advance and close along the outer tube sampling part 221 with the diameter being changed (as shown in figure 8), then, rotating the device clockwise and anticlockwise and taking the device out from the puncture needle channel to realize the cutting function of the bone tissue, then, rotating the rotating part 12, recovering the sampling inner tube 14 to be incapable of rotating (as shown in figure 9), and finally, inserting the push rod component 3 into the sampling inner tube 14 in a sliding manner, pushing the bone tissue out (as shown in fig. 10-11).
Claims (4)
1. The utility model provides a novel biopsy instrument is got to centrum bone tissue, its characterized in that, includes inner tube sample subassembly (1), outer tube sample subassembly (2) and push rod subassembly (3), outer tube sample subassembly (2) includes outer tube sample handle (21) and sample outer tube (22), sample outer tube (22) with outer tube sample handle (21) fixed connection, sample outer tube (22) distal end is provided with outer tube sample part (221), reducing processing is done to outer tube sample part (221), inner tube sample subassembly (1) includes inner tube sample handle (11), inner tube connecting piece (13), rotation piece (12) and sample inner tube (14), outer tube sample handle (21) with inner tube sample handle (11) fixed connection, inner tube connecting piece (13) with sample inner tube (14) fixed connection, sample inner tube (14) distal end is provided with inner tube sample part (141), inner tube sample part (141) can be that one or more lamellar structure constitutes, through rotating rotate piece (12), inner tube connecting piece (13) with sample inner tube (14) advance along the axial, make inner tube sample part (141) are along the reducing outer tube sample part (221) advance the closure, realize the function of cutting off of bone tissue, push rod subassembly (3) are including push rod handle (31) and push rod (32), the push rod with push rod handle fixed connection, the push rod can gliding insertion in the sample inner tube.
2. The instrument for taking the biopsy of the bone tissue of a vertebral body according to claim 1, characterized in that the end of the outer tube sampling part (221) is provided with a tooth shape which can be three or more teeth.
3. The apparatus for biopsy of bone tissue of vertebral body according to claim 1, wherein the outer tube sampling member (221) has a variable diameter angle of 120 ° -180 °.
4. The apparatus for biopsy of bone tissue of vertebral bodies according to claim 1, wherein the end (321) of the push rod is shaped as a plane, a prism or a polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120142183.6U CN216702573U (en) | 2021-01-19 | 2021-01-19 | Novel centrum bone tissue get biopsy instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120142183.6U CN216702573U (en) | 2021-01-19 | 2021-01-19 | Novel centrum bone tissue get biopsy instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216702573U true CN216702573U (en) | 2022-06-10 |
Family
ID=81871731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120142183.6U Active CN216702573U (en) | 2021-01-19 | 2021-01-19 | Novel centrum bone tissue get biopsy instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216702573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754537A (en) * | 2021-01-19 | 2021-05-07 | 宁波华科润生物科技有限公司 | Novel centrum bone tissue get biopsy instrument |
-
2021
- 2021-01-19 CN CN202120142183.6U patent/CN216702573U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754537A (en) * | 2021-01-19 | 2021-05-07 | 宁波华科润生物科技有限公司 | Novel centrum bone tissue get biopsy instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4648554B2 (en) | Bone marrow biopsy assembly and bone marrow biopsy collector | |
| US6673023B2 (en) | Micro-invasive breast biopsy device | |
| US20090112119A1 (en) | Rotating biopsy device and biopsy robot | |
| US20020138021A1 (en) | Micro-invasive tissue removal device | |
| EP1385431A1 (en) | Micro-invasive tissue removal device | |
| JPH10507952A (en) | Biopsy needle | |
| US9237906B2 (en) | Combination of a bone drill and a sleeve | |
| CN216702573U (en) | Novel centrum bone tissue get biopsy instrument | |
| CN108095774B (en) | Improved bone biopsy device | |
| CN209751113U (en) | Rotary cutting type cervix biopsy sampler | |
| CN215227917U (en) | Novel centrum bone tissue get biopsy instrument | |
| CN211213272U (en) | Tissue sampler | |
| CN112754537A (en) | Novel centrum bone tissue get biopsy instrument | |
| CN212547010U (en) | Marrow aspiration biopsy needle | |
| CN211022797U (en) | Integrated puncture biopsy needle | |
| CN215227916U (en) | Novel centrum bone tissue get biopsy instrument | |
| RU204562U1 (en) | BONE TUMOR BIOPSY DEVICE | |
| CN219166481U (en) | A take angle biopsy puncture suit for anterior centrum tissue of vertebral canal | |
| CN110537939A (en) | Integrated puncture biopsy needle | |
| CN221229355U (en) | Sampler for pathological biopsy of bone and soft tissue | |
| CN200984196Y (en) | Biopsy device for the sampling and puncturing | |
| US20160220234A1 (en) | Multiple sample biopsy device | |
| CN220495032U (en) | Minimally invasive bone taking device and kit thereof | |
| CN219070420U (en) | Tumor minimally invasive living body sampler | |
| CN220695297U (en) | Novel anti-drop bone puncture biopsy needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |