CN112754537A - Novel centrum bone tissue get biopsy instrument - Google Patents
Novel centrum bone tissue get biopsy instrument Download PDFInfo
- Publication number
- CN112754537A CN112754537A CN202110071734.9A CN202110071734A CN112754537A CN 112754537 A CN112754537 A CN 112754537A CN 202110071734 A CN202110071734 A CN 202110071734A CN 112754537 A CN112754537 A CN 112754537A
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- China
- Prior art keywords
- inner tube
- sampling
- outer tube
- sample
- push rod
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 27
- 238000001574 biopsy Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 85
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000013188 needle biopsy Methods 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Classifications
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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
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
-
- 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
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
- A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Hematology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention 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, the inner tube sampling component can be composed of one or more sheet structures, and the sampling inner tube connecting piece and the inner tube advance along the axial direction by, the inner tube sample part is made to advance along the reducing outer tube sample part and is closed, the cutting-off function of bone tissues is realized, the push rod assembly comprises a push rod handle and a push rod, the push rod is fixedly connected with the push rod handle, and the push rod can be inserted into the sampling inner tube in a sliding mode.
Description
Technical Field
The invention 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
Disclosure of Invention
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 invention 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, 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 angle of the reducing part 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 invention 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 invention 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 biopsy 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 a sampling outer tube 22, the sampling outer tube 22 is fixedly connected with the outer tube sampling handle 21, an outer tube sampling component 221 is arranged at the far end of the sampling outer tube 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 part 13, a rotating part 12 and a sampling inner tube 14, the outer tube sampling handle 21 is fixedly connected with the inner tube sampling handle 11, the inner tube connecting part 13 is fixedly connected with the sampling inner tube 14, the far end of the sampling inner tube 14 is provided with an inner tube sampling component 141, and the inner tube sampling component 141 can be composed of one or more 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 angle of the variable diameter part of the outer tube sampling part 221 is 120-180 °.
As shown in fig. 6, the end 321 of the push rod is flat, triangular or polygonal.
The specific surgical procedure is as follows: firstly, establishing a puncture channel with the assistance of a C-shaped arm, then puncturing a puncture needle tube of the novel centrum bone tissue biopsy taking device of the invention, enabling the end part of the invention to be flush with the end surface of the puncture needle tube, as shown in fig. 7, withdrawing the push rod handle 31, then continuously puncturing the invention into the centrum, observing to the expected position under the perspective, rotating the rotating part 12, enabling the inner tube connecting part 13 and the sampling inner tube 14 to advance axially, 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 fig. 8), then rotating the device clockwise and anticlockwise and taking the device out of the puncture needle channel, realizing the cutting function of the bone tissue, then rotating the rotating part 12 to recycle the sampling inner tube 14 until the sampling inner tube 14 cannot rotate (as shown in fig. 9), and finally inserting the push rod component 3 into the sampling inner tube 14 in, pushing the bone tissue out (as shown in fig. 10-11).
Claims (4)
1. A novel biopsy instrument is got to centrum bone tissue, 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), outer tube sample part (221) is the reducing processing, 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 novel centrum bone tissue biopsy instrument according to claim 1, wherein the end of the outer tube sampling component (221) is provided with a tooth shape, and the tooth shape can be three teeth or multiple teeth.
3. The biopsy instrument for bone tissue of vertebral body according to claim 1, wherein the angle of the reducing part of the outer tube sampling component (221) is 120-180 °.
4. The biopsy instrument for vertebral bone tissue according to claim 1, wherein the end (321) of the shaft is planar, triangular or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110071734.9A CN112754537A (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 |
|---|---|---|---|
| CN202110071734.9A CN112754537A (en) | 2021-01-19 | 2021-01-19 | Novel centrum bone tissue get biopsy instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112754537A true CN112754537A (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110071734.9A Pending CN112754537A (en) | 2021-01-19 | 2021-01-19 | Novel centrum bone tissue get biopsy instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112754537A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342647A (en) * | 2015-12-01 | 2016-02-24 | 苏州爱得科技发展股份有限公司 | Percutaneous puncture device with sampling biopsy function |
| CN209611287U (en) * | 2018-11-20 | 2019-11-12 | 宁波华科润生物科技有限公司 | Integral multifunctional vertebral plasty instrument |
| CN209996375U (en) * | 2019-03-27 | 2020-01-31 | 无锡市人民医院 | Aspiration rotary-cut biopsy trocar device |
| CN216702573U (en) * | 2021-01-19 | 2022-06-10 | 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 CN202110071734.9A patent/CN112754537A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342647A (en) * | 2015-12-01 | 2016-02-24 | 苏州爱得科技发展股份有限公司 | Percutaneous puncture device with sampling biopsy function |
| CN209611287U (en) * | 2018-11-20 | 2019-11-12 | 宁波华科润生物科技有限公司 | Integral multifunctional vertebral plasty instrument |
| CN209996375U (en) * | 2019-03-27 | 2020-01-31 | 无锡市人民医院 | Aspiration rotary-cut biopsy trocar device |
| CN216702573U (en) * | 2021-01-19 | 2022-06-10 | 宁波华科润生物科技有限公司 | Novel centrum bone tissue get biopsy instrument |
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