CN110934640A - Radio frequency ablation needle electrode and preparation method thereof - Google Patents
Radio frequency ablation needle electrode and preparation method thereof Download PDFInfo
- Publication number
- CN110934640A CN110934640A CN201910920909.1A CN201910920909A CN110934640A CN 110934640 A CN110934640 A CN 110934640A CN 201910920909 A CN201910920909 A CN 201910920909A CN 110934640 A CN110934640 A CN 110934640A
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- Prior art keywords
- electrode
- needle
- radio frequency
- frequency ablation
- preparation
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- 238000007674 radiofrequency ablation Methods 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 12
- 229910001119 inconels 625 Inorganic materials 0.000 claims abstract description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002791 soaking Methods 0.000 claims abstract description 8
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000003999 initiator Substances 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 7
- 238000002679 ablation Methods 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 6
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010003658 Atrial Fibrillation Diseases 0.000 description 1
- 206010028851 Necrosis Diseases 0.000 description 1
- 206010046798 Uterine leiomyoma Diseases 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 201000010260 leiomyoma Diseases 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Images
Classifications
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- 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
- A61B18/14—Probes or electrodes therefor
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- 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
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
Abstract
The invention belongs to the technical field of medical instruments, and discloses a radio frequency ablation needle electrode and a preparation method thereof, wherein the preparation method of the radio frequency ablation needle electrode specifically comprises the following steps: wrapping the radio frequency ablation electrode needle in the Inconel625 alloy, and shaping the Inconel625 alloy on the electrode at 260-300 ℃ to form an insulating layer; stripping an insulating layer formed by the Inconel625 alloy; cleaning and polishing the radio frequency ablation electrode needle by using metallographic abrasive paper, carrying out ultrasonic stirring reaction for 4 hours at room temperature in the presence of initiator ammonium persulfate, and then soaking in 0.1-2mol/L hydrochloric acid solution for 1-48 hours; and after soaking, taking out the electrode needle and curing to obtain the radiofrequency ablation needle electrode. The electrode needle prepared by the preparation method provided by the invention has high comprehensive performance, cannot generate any influence on surrounding tissues, and has a large ablation range.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a radio frequency ablation needle electrode and a preparation method thereof.
Background
Currently, the current state of the art commonly used in the industry is such that:
radio Frequency Ablation (RFA) is a physical therapy for treating tumors by using radio frequency current to excite ions in tissues to collide with each other and rub against each other at high speed to generate high heat, so that tumor tissue cells and tissues are dehydrated to form local coagulation necrosis.
Because of the advantages of micro-invasion, economy, safety and the like, the radio frequency ablation technology plays an increasingly important role in treating various tumors such as liver, lung, kidney, prostate, pancreas, uterine fibroids and the like and arrhythmia diseases such as atrial fibrillation and the like. And the radio frequency electrode needle is a key factor influencing the radio frequency ablation level.
However, the existing radio frequency ablation electrode needle has poor comprehensive performance and is easy to damage nearby tissues in the using process.
In summary, the problems of the prior art are as follows:
the existing radio frequency ablation electrode needle has poor comprehensive performance and easily causes damage to nearby tissues in the using process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a radio frequency ablation needle electrode and a preparation method thereof.
The invention is realized in such a way, a radio frequency ablation needle electrode and a preparation method thereof, wherein the preparation method of the radio frequency ablation needle electrode specifically comprises the following steps:
step one, wrapping a radio frequency ablation electrode needle in Inconel625 alloy, and shaping the Inconel625 alloy on an electrode at 260-300 ℃ to form an insulating layer;
stripping an insulating layer formed by the Inconel625 alloy;
cleaning and polishing the radio frequency ablation electrode needle by using metallographic abrasive paper, carrying out ultrasonic stirring reaction for 4 hours at room temperature in the presence of initiator ammonium persulfate, and then soaking the radio frequency ablation electrode needle into 0.1-2mol/L hydrochloric acid solution for 1-48 hours;
and step four, after soaking, taking out the electrode needle and curing to obtain the radiofrequency ablation needle electrode.
Further, in the fourth step, the curing specifically includes:
the curing parameters include: the temperature range is 25-50 ℃; the relative humidity is 80 percent, and the curing time is 13 to 18 hours.
The invention also aims to provide the radio frequency ablation needle electrode prepared by the preparation method of the radio frequency ablation needle electrode.
In summary, the advantages and positive effects of the invention are:
the preparation method provided by the invention is simple to operate, low in cost and easy and controllable in process. Meanwhile, the electrode needle prepared by the preparation method provided by the invention has high comprehensive performance, cannot generate any influence on surrounding tissues, and has a large ablation range.
Drawings
Fig. 1 is a flow chart of a method for manufacturing a radiofrequency ablation needle electrode according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a method for manufacturing a radio frequency ablation needle electrode according to an embodiment of the present invention specifically includes:
s101, wrapping the radio frequency ablation electrode needle in an Inconel625 alloy, and shaping the Inconel625 alloy on the electrode at 260-300 ℃ to form an insulating layer.
S102, the insulating layer made of Inconel625 alloy is peeled off.
S103, cleaning and polishing the radio frequency ablation electrode needle by using metallographic abrasive paper, carrying out ultrasonic stirring reaction for 4 hours at room temperature in the presence of initiator ammonium persulfate, and then soaking the probe into 0.1-2mol/L hydrochloric acid solution for 1-48 hours.
And S104, after soaking, taking out the electrode needle and curing to obtain the radiofrequency ablation needle electrode.
In step S104, the curing provided in the embodiment of the present invention specifically includes:
the curing parameters include: the temperature range is 25-50 ℃; the relative humidity is 80 percent, and the curing time is 13 to 18 hours.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A preparation method of a radio frequency ablation needle electrode is characterized by comprising the following steps:
step one, wrapping a radio frequency ablation electrode needle in Inconel625 alloy, and shaping the Inconel625 alloy on an electrode at 260-300 ℃ to form an insulating layer;
stripping an insulating layer formed by the Inconel625 alloy;
cleaning and polishing the radio frequency ablation electrode needle by using metallographic abrasive paper, carrying out ultrasonic stirring reaction for 4 hours at room temperature in the presence of initiator ammonium persulfate, and then soaking the radio frequency ablation electrode needle into 0.1-2mol/L hydrochloric acid solution for 1-48 hours;
and step four, after soaking, taking out the electrode needle and curing to obtain the radiofrequency ablation needle electrode.
2. The method for preparing a needle electrode for radiofrequency ablation as claimed in claim 1, wherein in step four, the curing specifically comprises:
the curing parameters include: the temperature range is 25-50 ℃; the relative humidity is 80 percent, and the curing time is 13 to 18 hours.
3. A radiofrequency ablation needle electrode prepared by the method for preparing a radiofrequency ablation needle electrode as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910920909.1A CN110934640A (en) | 2019-09-27 | 2019-09-27 | Radio frequency ablation needle electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910920909.1A CN110934640A (en) | 2019-09-27 | 2019-09-27 | Radio frequency ablation needle electrode and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110934640A true CN110934640A (en) | 2020-03-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910920909.1A Pending CN110934640A (en) | 2019-09-27 | 2019-09-27 | Radio frequency ablation needle electrode and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110934640A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593454A (en) * | 2012-03-02 | 2012-07-18 | 合肥工业大学 | Preparation method for headspace iron trioxide and polypyrrole composite electrode material |
| US20150216595A1 (en) * | 2014-02-06 | 2015-08-06 | Cedars-Sinai Medical Center | Optimized method of coating the microwave ablation probe for surgical application |
| CN105943158A (en) * | 2016-04-19 | 2016-09-21 | 迈德医疗科技（上海）有限公司 | Radio frequency ablation electrode needle and manufacturing method |
-
2019
- 2019-09-27 CN CN201910920909.1A patent/CN110934640A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593454A (en) * | 2012-03-02 | 2012-07-18 | 合肥工业大学 | Preparation method for headspace iron trioxide and polypyrrole composite electrode material |
| US20150216595A1 (en) * | 2014-02-06 | 2015-08-06 | Cedars-Sinai Medical Center | Optimized method of coating the microwave ablation probe for surgical application |
| CN105943158A (en) * | 2016-04-19 | 2016-09-21 | 迈德医疗科技（上海）有限公司 | Radio frequency ablation electrode needle and manufacturing method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200331 |