CN102652692A - Microwave ablation needle and connection method thereof - Google Patents
Microwave ablation needle and connection method thereof Download PDFInfo
- Publication number
- CN102652692A CN102652692A CN2012100844947A CN201210084494A CN102652692A CN 102652692 A CN102652692 A CN 102652692A CN 2012100844947 A CN2012100844947 A CN 2012100844947A CN 201210084494 A CN201210084494 A CN 201210084494A CN 102652692 A CN102652692 A CN 102652692A
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- Prior art keywords
- ablation needle
- base
- main body
- plane
- handle
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Links
- 238000002679 ablation Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000012212 insulator Substances 0.000 claims abstract description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- -1 polytetrafluoroethylene Polymers 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 206010028980 Neoplasm Diseases 0.000 description 6
- 238000010317 ablation therapy Methods 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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Abstract
The invention provides a microwave ablation needle and a connection method thereof. The microwave ablation needle comprises an ablation needle head, an ablation needle tubing and a handle, wherein a polytetrafluoroethylene insulator is arranged between the ablation needle head and one end of the ablation needle tubing; the other end of the ablation needle tubing is connected with the head of the handle; the handle comprises a main body and a base; the tail of the main body is provided with an insertion hole inserted into the base and a coaxial cable connector; the upper surface of the main body is a first plane and the lower surface of the main body is a first cambered surface; the base is provided with a metal interface; the upper surface of the base is a second plane and one side of the base is a second cambered surface; and when the main body is inserted into the base, the first plane and first cambered surface of the main body respectively correspond to the second plane and second cambered surface of the base, and the coaxial cable connector is fastened with the metal interface. The method comprises the following steps: ensuring the first plane and first cambered surface of the main body to respectively correspond to the second plane and second cambered surface of the base; and inserting the insertion hole of the main body into the base and fastening the coaxial cable connector with the metal interface. The microwave ablation needle can be convenient to connect and remove.
Description
Technical Field
The invention relates to a microwave ablation needle and a connecting method thereof, in particular to a microwave ablation needle which is convenient to connect and disassemble.
Background
With the development of medical imaging technology, under the guidance of images, the microwave ablation therapy of tumors is a new method for tumor therapy, which is to insert a microwave therapy needle into the tumor tissue of a human body under the guidance of B-ultrasonic images or CT images to perform thermal ablation therapy on the tumors. The microwave ablation therapy is a high-efficiency, rapid and uniform heating method for tumor tissues, thorough thermal coagulation, convenient use and safety, and has been widely applied to clinic for many years.
At present, the existing connection mode of the tumor microwave ablation needle and a microwave cable on the market is mostly connected in an integrated mode, the connection mode cannot be detached, the operation process is complicated and inconvenient, particularly, the operation performed under CT equipment is not beneficial to use and operation of doctors, and the tail connector of the handle of the microwave ablation needle is large, so that the handle of the microwave ablation needle is heavy and not light.
In view of this, how to design a microwave ablation needle, which can be conveniently connected and detached, is a problem that needs to be solved by those in the industry.
Disclosure of Invention
Aiming at the defects that the microwave ablation needle is inconvenient to accurately position the puncture depth and errors are easy to cause in the prior art, the invention provides the microwave ablation needle and the connection method thereof.
According to one aspect of the invention, a microwave ablation needle is provided, which comprises an ablation needle head, an ablation needle tube and a handle, wherein a tetrafluoro insulator is arranged between the ablation needle head and one end of the ablation needle tube, and the other end of the ablation needle tube is connected with the head of the handle, and the microwave ablation needle is characterized in that the handle comprises a main body and a base, the tail of the main body is provided with a socket inserted into the base and a coaxial cable connector, the upper surface of the main body is a first plane, the lower surface of the main body is a first cambered surface, the base is provided with a metal interface, the upper surface of the base is a second plane, and one side surface of the base is a second cambered surface,
when the main body is inserted into the base, the first plane and the first cambered surface of the main body respectively correspond to the second plane and the second cambered surface of the base, and the coaxial cable connector is clamped on the metal interface.
Preferably, the main body of the handle forms an angle with the base.
Preferably, the included angle ranges from 90 ° to 150 °.
Preferably, the included angle is 90 °.
Preferably, the handle is made of synthetic plastics of acrylonitrile, butadiene and styrene.
Preferably, the length of the socket of the main body is 3-5 mm.
According to another aspect of the present invention, there is provided a method of attaching a microwave ablation needle, comprising the steps of:
respectively corresponding the first plane and the first cambered surface of the main body to the second plane and the second cambered surface of the base; and
inserting the socket of the main body into the base, and clamping the coaxial cable connector with the metal interface.
The invention has the advantages that: the first plane and the first cambered surface on the main body of the handle are correspondingly inserted with the second plane and the second cambered surface on the base of the handle, so that the handle can be connected more conveniently.
Drawings
The various aspects of the present invention will become more apparent to the reader after reading the detailed description of the invention with reference to the attached drawings. Wherein,
FIG. 1 shows a schematic structural view of a microwave ablation needle in accordance with an aspect of the present invention.
Fig. 2 shows a top view of the body of the handle of fig. 1.
Fig. 3 shows a side view of the base of the handle of fig. 1.
Fig. 4 illustrates a flow chart of a method of attaching a microwave ablation needle in accordance with another aspect of the present invention.
The specific implementation mode is as follows:
embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
FIG. 1 shows a schematic structural view of a microwave ablation needle in accordance with an aspect of the present invention. Referring to fig. 1, the microwave ablation needle comprises an ablation needle head 10, an ablation needle tube 11 and a handle 12. Wherein, the ablation needle tube 10 is connected with the ablation needle tube 11, a tetrafluoro insulator 13 is arranged between one end of the ablation needle tube 11 and the ablation needle tube 10, and the other end of the ablation needle tube 11 is connected with the head of the handle 12. The handle 12 includes a body 14 and a base 15.
Fig. 2 shows a top view of the body of the handle of fig. 1. Referring to fig. 2, the rear portion of the main body 14 has a socket 141 into which the base 15 is inserted and a coaxial cable connector 142. With continued reference to fig. 1, the upper surface of the body 14 is a first plane 143 and the lower surface is a first arc 144.
Fig. 3 shows a side view of the base of the handle of fig. 1. Referring to fig. 3, the base 15 has a metal interface 151. With continued reference to fig. 1, the upper surface of the base 15 is a second plane 152 and a side surface is a second arc surface 153.
When the main body 14 is inserted into the base 15, the first plane 143 and the first arc surface 144 of the main body 14 correspond to the second plane 152 and the second arc surface 153 of the base 15, respectively, and meanwhile, the coaxial cable connector 142 in the main body is just engaged with the metal interface 151. The handle 12 may be made of synthetic plastics such as acrylonitrile, butadiene, and styrene. In addition, the main body 14 of the handle 12 forms an angle α with the base 15, specifically, the angle α ranges from 90 ° to 150 °, and more specifically, the angle α is 90 °. With the handle 12 angled in this manner, the medical professional will feel more comfortable with his or her hand during the procedure. In this embodiment, the length of the insertion opening 141 of the main body 14 is 3 to 5 mm. Because the handle 12 is inserted into the base 15 through the main body 14, the handle can be conveniently detached.
Fig. 3 illustrates a flow chart of a method of attaching a microwave ablation needle in accordance with another aspect of the present invention. Referring to fig. 3 in combination with fig. 1 and 2, the method for accurately positioning the penetration depth of the microwave ablation needle comprises the following steps:
step S1: the first plane and the first cambered surface of the main body are respectively corresponding to the second plane and the second cambered surface of the base. First, the first plane 143 of the body 14 corresponds to the second plane 152 of the base 15, and the first arc surface 144 of the body 14 corresponds to the second arc surface 153 of the base 15.
Step S2: the socket of the main body is inserted into the base, and the coaxial cable connector is clamped with the metal interface. Then, the socket 141 of the main body 14 is inserted into the base 15, and the length of the socket 141 is 3 to 5mm, and at this time, the coaxial cable connector 142 is just engaged with the metal mouthpiece 151, and a slight metal click sound is generated. The microwave ablation needle is connected in such a way, so that the microwave ablation needle is very convenient and is convenient to detach.
The invention has the advantages that: the first plane and the first cambered surface on the main body of the handle are correspondingly inserted with the second plane and the second cambered surface on the base of the handle, so that the handle can be connected more conveniently.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A microwave ablation needle comprises an ablation needle head, an ablation needle tube and a handle, wherein a tetrafluoro insulator is arranged between the ablation needle head and one end of the ablation needle tube, the other end of the ablation needle tube is connected with the head of the handle, the microwave ablation needle is characterized in that the handle comprises a main body and a base, the tail of the main body is provided with a socket and a coaxial cable connector which are inserted into the base, the upper surface of the main body is a first plane, the lower surface of the main body is a first cambered surface, the base is provided with a metal interface, the upper surface of the base is a second plane, and one side surface of the base is a second cambered surface,
when the main body is inserted into the base, the first plane and the first cambered surface of the main body respectively correspond to the second plane and the second cambered surface of the base, and the coaxial cable connector is clamped on the metal interface.
2. A microwave ablation needle according to claim 1 wherein the body of the handle forms an angle with the base.
3. A microwave ablation needle according to claim 2 wherein the included angle is in the range 90 ° to 150 °.
4. A microwave ablation needle according to claim 3 wherein the included angle is 90 °.
5. A microwave ablation needle according to claim 1 wherein the handle is made of a synthetic plastic of acrylonitrile, butadiene and styrene.
6. A microwave ablation needle according to claim 1 wherein the socket of the body is 3 to 5mm in length.
7. A method of attaching a microwave ablation needle according to any one of claims 1 to 6, comprising the steps of:
respectively corresponding the first plane and the first cambered surface of the main body to the second plane and the second cambered surface of the base; and
inserting the socket of the main body into the base, and clamping the coaxial cable connector with the metal interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210084494.7A CN102652692B (en) | 2012-03-27 | 2012-03-27 | A kind of microwave melt needle and attaching method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210084494.7A CN102652692B (en) | 2012-03-27 | 2012-03-27 | A kind of microwave melt needle and attaching method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102652692A true CN102652692A (en) | 2012-09-05 |
| CN102652692B CN102652692B (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210084494.7A Expired - Fee Related CN102652692B (en) | 2012-03-27 | 2012-03-27 | A kind of microwave melt needle and attaching method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102652692B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000998A1 (en) * | 2022-06-27 | 2024-01-04 | 上海美杰医疗科技有限公司 | Split-type ablation needle and cryoablation puncture system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101156804A (en) * | 2006-12-14 | 2008-04-09 | 南京康友微波能应用研究所 | Temperature control microwave melt needle |
| CN101224137A (en) * | 2007-10-30 | 2008-07-23 | 南京康友微波能应用研究所 | Ablation needle for 915MHz energy-gathering microwave |
| CN101711705A (en) * | 2009-11-18 | 2010-05-26 | 南京康友微波能应用研究所 | Microwave ablation needle and microwave ablation therapeutic apparatus thereof |
| CN201500173U (en) * | 2009-09-28 | 2010-06-09 | 天津市赛盟医疗科技有限公司 | Electrode for radio frequency therapeutic apparatus |
| CN201642316U (en) * | 2009-11-18 | 2010-11-24 | 南京康友微波能应用研究所 | Microwave ablation needle and microwave ablation therapeutic instrument employing same |
| US20110118723A1 (en) * | 2009-11-17 | 2011-05-19 | Bsd Medical Corporation | Microwave coagulation applicator and system |
| US20110172659A1 (en) * | 2010-01-13 | 2011-07-14 | Vivant Medical, Inc. | Ablation Device With User Interface at Device Handle, System Including Same, and Method of Ablating Tissue Using Same |
| US20110295245A1 (en) * | 2010-05-25 | 2011-12-01 | Vivant Medical, Inc. | Flow Rate Verification Monitor for Fluid-Cooled Microwave Ablation Probe |
-
2012
- 2012-03-27 CN CN201210084494.7A patent/CN102652692B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101156804A (en) * | 2006-12-14 | 2008-04-09 | 南京康友微波能应用研究所 | Temperature control microwave melt needle |
| CN101224137A (en) * | 2007-10-30 | 2008-07-23 | 南京康友微波能应用研究所 | Ablation needle for 915MHz energy-gathering microwave |
| CN201500173U (en) * | 2009-09-28 | 2010-06-09 | 天津市赛盟医疗科技有限公司 | Electrode for radio frequency therapeutic apparatus |
| US20110118723A1 (en) * | 2009-11-17 | 2011-05-19 | Bsd Medical Corporation | Microwave coagulation applicator and system |
| CN101711705A (en) * | 2009-11-18 | 2010-05-26 | 南京康友微波能应用研究所 | Microwave ablation needle and microwave ablation therapeutic apparatus thereof |
| CN201642316U (en) * | 2009-11-18 | 2010-11-24 | 南京康友微波能应用研究所 | Microwave ablation needle and microwave ablation therapeutic instrument employing same |
| US20110172659A1 (en) * | 2010-01-13 | 2011-07-14 | Vivant Medical, Inc. | Ablation Device With User Interface at Device Handle, System Including Same, and Method of Ablating Tissue Using Same |
| US20110295245A1 (en) * | 2010-05-25 | 2011-12-01 | Vivant Medical, Inc. | Flow Rate Verification Monitor for Fluid-Cooled Microwave Ablation Probe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000998A1 (en) * | 2022-06-27 | 2024-01-04 | 上海美杰医疗科技有限公司 | Split-type ablation needle and cryoablation puncture system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102652692B (en) | 2015-11-25 |
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| C10 | Entry into substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190613 Address after: 210042 Building 1, 699-10 Xuanwu Avenue, Xuanwu District, Nanjing City, Jiangsu Province Patentee after: NANJING FUZHONG MEDICAL HI-TECH CO., LTD. Address before: 210019 No. 1 Building, Fuzhong High-tech Industrial Park, 699-10 Xuanwu Avenue, Nanjing, Jiangsu Province Patentee before: Fuzhong Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20210327 |