CN110584724A - Puncture and radio frequency ablation device - Google Patents
Puncture and radio frequency ablation device Download PDFInfo
- Publication number
- CN110584724A CN110584724A CN201910891986.9A CN201910891986A CN110584724A CN 110584724 A CN110584724 A CN 110584724A CN 201910891986 A CN201910891986 A CN 201910891986A CN 110584724 A CN110584724 A CN 110584724A
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- CN
- China
- Prior art keywords
- puncture
- needle
- opening
- radio frequency
- outer sleeve
- 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.)
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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
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3476—Powered trocars, e.g. electrosurgical cutting, lasers, powered knives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
- A61B2017/3449—Cannulas used as instrument channel for multiple instruments whereby the instrument channels merge into one single channel
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Otolaryngology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a puncture and radio frequency ablation device. The utility model provides a puncture and radio frequency ablation device, includes operating means, hollow outer tube and pjncture needle, hollow outer tube dress is in operating means is last, the pjncture needle inserts in the hollow outer tube from operating means to fix on operating means, the front end of pjncture needle is equipped with the prong, and the pjncture needle of prong rear side is equipped with puncture opening on the surface, still is equipped with one section cavity that links to each other with puncture opening in the pjncture needle, also is equipped with sample opening on the surface of outer tube. After puncture biopsy is completed under the guidance of the outer sleeve, the needle is directly replaced by an ablation needle for radio frequency ablation operation, secondary needle insertion can be effectively avoided, the injury to a patient is reduced, and the risk of pollution is reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a puncture and radio frequency ablation device.
Background
For malignant tumors, pathological classification, typing and even genetic detection of whether mutation exists are the primary problems in the process of disease diagnosis and treatment, and the detection result directly determines the corresponding treatment scheme. At present, the percutaneous aspiration biopsy under the CT guidance is the most common biopsy aspiration with the most extensive application, but because CT has ionizing radiation, the resolution of soft tissue images is not high, and some metal implant patients have artifacts, so that the CT guidance has certain limitations in the aspects of judging tumor boundaries and positioning. In addition, when the ablation needle needs to be rotated in the ablation operation process, the part of the ablation needle inserted into the tissue is directly covered by the tissue, so that the ablation needle is not easy to rotate and can damage the tissue.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the puncture assembly is provided, the radiofrequency ablation is directly carried out after the puncture, and the puncture and radiofrequency ablation device capable of avoiding secondary damage is avoided.
In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: the utility model provides a puncture and radio frequency ablation device, includes operating means, hollow outer tube and pjncture needle, hollow outer tube dress is in operating means is last, the pjncture needle inserts in the hollow outer tube from operating means to fix on operating means, the front end of pjncture needle is equipped with the prong, and the pjncture needle of prong rear side is equipped with puncture opening on the surface, still is equipped with one section cavity that links to each other with puncture opening in the pjncture needle, also is equipped with sample opening on the surface of outer tube.
Preferably, the puncture opening is smaller than the sampling opening.
Preferably, the puncture opening is as large as the sampling opening.
According to a preferable scheme, the puncture needle is matched with the outer sleeve, the puncture needle is inserted into the outer sleeve, and the outer side wall of the puncture needle is attached to the inner side wall of the outer sleeve.
Preferably, the surface of the sampling opening is provided with an inwards concave slice, the slice is attached to the inner side surface of the outer sleeve, and when the puncture opening and the sampling opening are mutually coincident, the slice extends towards the puncture opening.
Preferably, the operating device comprises a shell and a fixing piece, the outer sleeve is inserted into the fixing piece, an installation hole is formed in the middle of the fixing piece, and the puncture needle can penetrate through the installation hole.
Preferably, a rotating part is rotated in the shell, the rotating part is rotatably clamped on the fixing part, the puncture needle is fixed on the rotating part, a connecting hole is formed in the rotating part, and the puncture needle penetrates through the connecting hole and is fixed at the fixing part.
Preferably, the end of the housing is provided with a red dot, and the direction of the red dot is consistent with the direction of the puncture opening.
Preferably, an end of the rotating member is provided with an indication arrow, and a direction of the indication arrow and a direction of the sampling opening are consistent with each other.
Preferably, the ablation device further comprises an ablation needle, the ablation needle penetrates through the connecting hole and the mounting hole and is arranged in the outer sleeve in a penetrating mode, and the fixing piece fastens the ablation needle.
Compared with the prior art, the invention has the beneficial effects that:
the operating device with the puncture needle is inserted into a region needing to obtain a tumor, an opening is reserved on the outer sleeve, a corresponding opening is reserved on the puncture needle, the puncture needle is rotated, and whether the two openings are overlapped with each other or not is determined by means of the direction of an arrow and a red point. After coincidence is established, the tumor will naturally enter the puncture opening and remain in the cavity. At the moment, the puncture needle is rotated, the tumor is easily cut off by utilizing the concave section on the sampling opening, the puncture needle is pulled out, and the tumor is taken out for pathological analysis. And finally, after puncture biopsy is finished under the guidance of the outer sleeve, the needle is directly replaced by an ablation needle for radio frequency ablation operation, so that secondary needle insertion can be effectively avoided, the harm to a patient is reduced, and the risk of pollution is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an outer sleeve 2 according to the present invention;
FIG. 3 is an enlarged view of the line A of FIG. 2;
FIG. 4 is a schematic structural view of the present invention with an ablation needle 4 installed;
FIG. 5 is an internal view of the present invention patent;
FIG. 6 is an external structural view of the present invention patent;
fig. 7 is a schematic view showing the structure of the rotating member 104 connected to the puncture needle 3 according to the present invention;
FIG. 8 is a schematic view of the present invention showing a rotating member 104 connected to an ablation needle 4;
FIG. 9 is a schematic structural diagram of the present invention patent indicating arrow 107 and red dot 106;
FIG. 10 is a schematic structural view of embodiment 1 of the present invention;
fig. 11 is a schematic structural view of embodiment 2 of the present invention.
Detailed Description
A detailed description of an embodiment of the invention is provided below with reference to fig. 1-11.
Example 1
A puncture and radio frequency ablation device comprises an operating device 1, a hollow outer sleeve 2 and a puncture needle 3, wherein the hollow outer sleeve 2 is arranged on the operating device 1, the puncture needle 3 is inserted into the hollow outer sleeve 2 from the operating device 1 and is fixed on the operating device 1, the front end of the puncture needle 3 is provided with a tip part 301, the surface of the puncture needle 3 at the rear side of the tip part 301 is provided with a puncture opening 302, the puncture needle 3 is also internally provided with a section of cavity 303 connected with the puncture opening 302, the surface of the outer sleeve 2 is also provided with a sampling opening 201, the puncture opening 302 is equal to the sampling opening 201, the puncture needle 3 is matched with the outer sleeve 2, the puncture needle 3 is inserted into the outer sleeve 2, the outer side wall of the puncture needle 3 is mutually attached to the inner side wall of the outer sleeve 2, the surface of the sampling opening 201 is provided with an inwards concave slice, and the slice is attached, when the puncture opening and the sampling opening are coincident with each other, the slice extends into the puncture opening, the operating device 1 comprises a housing 101 and a fixing member 102, the outer sleeve 2 is inserted into the fixing member 102, a mounting hole 103 is arranged in the middle of the fixing member 102, the puncture needle 3 can pass through the mounting hole 103, a rotating member 104 is rotated in the housing 101, the rotating member 104 is rotatably clamped on the fixing member 102, the puncture needle 3 is fixed on the rotating member 104, a connecting hole 105 is arranged on the rotating member 104, the puncture needle 3 passes through the connecting hole 105 and is fixed at the fixing member 102, a red dot 106 is arranged at the end of the housing 101, the direction of the red dot 106 is consistent with the direction of the puncture opening 302, an indication arrow 107 is arranged at the end of the rotating member 104, the direction of the indication arrow 107 is consistent with the direction of the sampling opening 201, and an ablation needle 4 is further included, the ablation needle 4 penetrates through the connecting hole 105 and the mounting hole 103 and is alternately arranged in the outer sleeve 2 in a penetrating mode, the fixing piece 102 fastens the ablation needle 4, and the puncture needle device further comprises a puncture needle 3, and the puncture needle 3 and the ablation needle 4 are alternately arranged in the outer sleeve 2 in a penetrating mode and are detachably connected with the outer sleeve 2.
The puncture and radio frequency ablation device is divided into two aspects, and the main steps are as follows:
1) positioning the tumor position by an imaging technology, and calculating the depth of puncture;
2) placing the puncture needle 3 into the operation device 1, inserting the puncture needle 3 into the rotating member 104 from the connecting hole 105, penetrating through the mounting hole 103, and penetrating out of the outer cannula 2, controlling the puncture opening 302 and the sampling opening 201 to be on the same horizontal plane, and making the directions of the puncture opening 302 and the sampling opening 201 opposite, rotating the fixing member 102, and fastening the puncture needle 3, wherein the rotating member 104 is fixed in the housing 101;
3) inserting the device which is adjusted in place, and puncturing the device into a preset tumor position through a puncture needle;
4) the rotating part 104 is rotated to drive the puncture needle 3 to rotate, because the puncture needle 3 is fixed by the fixing part 102, the rotating part 104 rotates to be consistent with the puncture needle, the indication arrow 107 and the red point 106 behind the rotating part 104 are mutually arranged on the same side, the puncture opening 302 and the sampling opening 201 are superposed, and after the superposition, the tumor naturally enters the cavity 303 along with extrusion. The cavity 303 is the same size as the puncture opening 302, such that the tumor enters the cavity 303 along the puncture opening 302.
5) The rotating part 104 is rotated back, the tumor is cut off more rapidly with the help of the inward concave slice 202 on the sampling opening 201, and the tumor is stored in the cavity of the cavity 303;
6) rotating the fixing member 102, loosening the puncture needle 3, pulling out the puncture needle together with the rotating member 104, and performing pathological analysis by sampling;
7) after the analysis, the ablation needle 4 is replaced and placed in the rotating part 104, and after the ablation needle 4 is inserted into the tumor region, the fixing part 102 is fastened again to perform the radiofrequency ablation operation;
8) after the operation is completed, the ablation needle 4 is pulled out together with the operation device 1 and the outer cannula as a whole.
Example 2
The difference from embodiment 1 is that the puncture opening 302 is smaller than the sampling opening 201. This entails that the front side of the puncture opening 302 and the front side of the sampling opening 201 are flush,
the puncture opening 302 is smaller than the sampling opening 201, and the puncture needle 3 just flattens the section 202 of the non-flush side, so that the tumor block can be well cut in a form that one side is flattened and one side is inwards protruded.
Claims (10)
1. A puncture and radio frequency ablation device comprises an operating device, a hollow outer sleeve and a puncture needle, wherein the hollow outer sleeve is arranged on the operating device, the puncture needle is inserted into the hollow outer sleeve from the operating device and is fixed on the operating device, and the puncture and radio frequency ablation device is characterized in that a tip part is arranged at the front end of the puncture needle, a puncture opening is formed in the surface of the puncture needle on the rear side of the tip part, a section of cavity connected with the puncture opening is further formed in the puncture needle, and a sampling opening is also formed in the surface of the outer sleeve.
2. The puncture and radio frequency ablation device according to claim 1, wherein the puncture opening is smaller than the sampling opening.
3. The puncture and radio frequency ablation device according to claim 1, wherein the puncture opening is as large as the sampling opening.
4. A puncture and rf ablation device according to claim 1, wherein the puncture needle is mated with the outer sleeve, the puncture needle is inserted into the outer sleeve, and the outer sidewall of the puncture needle is engaged with the inner sidewall of the outer sleeve.
5. A puncture and radio frequency ablation device according to claim 2 or 3, wherein the surface of the sampling opening is provided with inwardly concave slices, which are placed against the inner side of the outer sleeve, and which extend into the puncture opening when the puncture opening and the sampling opening are brought into register.
6. A puncture and rf ablation device according to claim 1, wherein the operation device comprises a housing and a fixing member, the fixing member is inserted with the outer sleeve, and the fixing member has a mounting hole in the middle thereof, and the puncture needle can pass through the mounting hole.
7. A puncture and radio frequency ablation device according to claim 6, characterized in that a rotating member is rotated in the housing and is rotatably engaged with the fixing member, the puncture needle is fixed on the rotating member, a connecting hole is provided on the rotating member, and the puncture needle passes through the connecting hole and is fixed on the fixing member.
8. A puncture and radio frequency ablation device according to claim 6, wherein the end of the housing is provided with red dots, the direction of the red dots and the direction of the puncture opening being mutually coincident.
9. A puncture and radio frequency ablation device according to claim 6, wherein the end of the rotary member is provided with an indicator arrow, the direction of the indicator arrow and the direction of the sampling opening being coincident with each other.
10. The puncture and radio frequency ablation device according to claim 6, further comprising an ablation needle passing through the attachment hole and the mounting hole and alternatively passing through the outer sleeve, wherein the fixing member fastens the ablation needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891986.9A CN110584724A (en) | 2019-09-20 | 2019-09-20 | Puncture and radio frequency ablation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891986.9A CN110584724A (en) | 2019-09-20 | 2019-09-20 | Puncture and radio frequency ablation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110584724A true CN110584724A (en) | 2019-12-20 |
Family
ID=68861583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910891986.9A Withdrawn CN110584724A (en) | 2019-09-20 | 2019-09-20 | Puncture and radio frequency ablation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110584724A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345854A (en) * | 2020-03-12 | 2020-06-30 | 青岛大学附属医院 | Marrow biopsy needle |
| CN111938810A (en) * | 2020-08-24 | 2020-11-17 | 柯晋 | Microwave ablation puncture orienting device |
| CN112220535A (en) * | 2020-10-19 | 2021-01-15 | 北京大学第三医院 | Puncture needle protection mechanism and radio frequency puncture trocar combined device |
| WO2021135726A1 (en) * | 2019-12-31 | 2021-07-08 | 杭州诺诚医疗器械有限公司 | Integrated ablation needle and ablation system |
| CN113116503A (en) * | 2019-12-31 | 2021-07-16 | 杭州诺诚医疗器械有限公司 | Integrated ablation needle and ablation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202568323U (en) * | 2012-05-30 | 2012-12-05 | 李萌颖 | Medical rotating biopsy needle |
| CN204121127U (en) * | 2014-09-23 | 2015-01-28 | 毛宇 | A kind of ring first membrane orienting anaesthetic puncture needle |
| CN105030307A (en) * | 2015-06-26 | 2015-11-11 | 么文博 | Magnetic positioning cannula puncture needle |
| US20170281214A1 (en) * | 2013-09-27 | 2017-10-05 | Release Medical, Inc. | Tissue incision device |
| CN209332111U (en) * | 2018-07-10 | 2019-09-03 | 广东富江医学科技有限公司 | A kind of biopsy needle with driving device |
-
2019
- 2019-09-20 CN CN201910891986.9A patent/CN110584724A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202568323U (en) * | 2012-05-30 | 2012-12-05 | 李萌颖 | Medical rotating biopsy needle |
| US20170281214A1 (en) * | 2013-09-27 | 2017-10-05 | Release Medical, Inc. | Tissue incision device |
| CN204121127U (en) * | 2014-09-23 | 2015-01-28 | 毛宇 | A kind of ring first membrane orienting anaesthetic puncture needle |
| CN105030307A (en) * | 2015-06-26 | 2015-11-11 | 么文博 | Magnetic positioning cannula puncture needle |
| CN209332111U (en) * | 2018-07-10 | 2019-09-03 | 广东富江医学科技有限公司 | A kind of biopsy needle with driving device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135726A1 (en) * | 2019-12-31 | 2021-07-08 | 杭州诺诚医疗器械有限公司 | Integrated ablation needle and ablation system |
| CN113116503A (en) * | 2019-12-31 | 2021-07-16 | 杭州诺诚医疗器械有限公司 | Integrated ablation needle and ablation system |
| CN111345854A (en) * | 2020-03-12 | 2020-06-30 | 青岛大学附属医院 | Marrow biopsy needle |
| CN111938810A (en) * | 2020-08-24 | 2020-11-17 | 柯晋 | Microwave ablation puncture orienting device |
| CN112220535A (en) * | 2020-10-19 | 2021-01-15 | 北京大学第三医院 | Puncture needle protection mechanism and radio frequency puncture trocar combined device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191220 |
|
| WW01 | Invention patent application withdrawn after publication |