CN111494004A - Be used for not having nerve radio frequency ablation equipment and system of wound - Google Patents
Be used for not having nerve radio frequency ablation equipment and system of wound Download PDFInfo
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- CN111494004A CN111494004A CN202010489655.5A CN202010489655A CN111494004A CN 111494004 A CN111494004 A CN 111494004A CN 202010489655 A CN202010489655 A CN 202010489655A CN 111494004 A CN111494004 A CN 111494004A
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- 238000007674 radiofrequency ablation Methods 0.000 title claims abstract description 84
- 210000005036 nerve Anatomy 0.000 title claims abstract description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 4
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000001537 neural effect Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract 1
- 238000002679 ablation Methods 0.000 description 18
- 210000001519 tissue Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000000451 tissue damage Effects 0.000 description 2
- 231100000827 tissue damage Toxicity 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000000944 nerve tissue Anatomy 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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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
- 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
- A61B18/1206—Generators 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
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
-
- 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
- A61B18/1206—Generators therefor
- A61B2018/1273—Generators therefor including multiple generators in one device
-
- 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
-
- 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
- A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a non-invasive nerve radio frequency ablation device and a system, which comprises a radio frequency ablation instrument and a radio frequency ablation catheter, the radio frequency ablation instrument is provided with a plurality of cable interfaces, the radio frequency ablation catheter comprises a working section, a catheter section, a body surface electrode section and a handle section, be equipped with a plurality of radio frequency ablation electrodes corresponding with body surface electrode section position in the working section, it is a plurality of the welding has many cables, and is a plurality of all be equipped with temperature sensor in the radio frequency ablation electrode, it is a plurality of the surface and the periphery of radio frequency ablation electrode all are equipped with pressure sensor, and are a plurality of the both sides of radio frequency ablation electrode all are equipped with the micropore of jettable carbon dioxide or normal saline, reduce the radio frequency in the at utmost and melt the damage to the non-target area, realize the accurate control of various pressure, temperature, impedance, power, further improve treatment and treatment accuracy.
Description
Technical Field
The invention relates to the field of related products of nerve radio frequency ablation, in particular to a noninvasive nerve radio frequency ablation device and system.
Background
In recent years, the nerve ablation using the minimally invasive intervention technology is applied clinically and achieves better effect. Meanwhile, the radio frequency ablation technology is widely applied to treatment of heart, cancer, tumor, skin and other lesion tissues. When the radio frequency energy acts on human tissues, the temperature field is quickly attenuated near the conductor, so that the treatment point is concentrated, and the minimally invasive treatment is carried out on the focus through a tiny catheter type probe.
And aiming at the indication of nerve tissue damage or superficial body tissue damage, a noninvasive radio frequency ablation mode can be used for treatment, so that the effects of reducing the pain of a patient, shortening the operation time and the like are achieved.
Disclosure of Invention
The invention solves the problems that: aiming at the defects and shortcomings of the design of the existing invasive ablation catheter, a brand-new multifunctional non-invasive, efficient and accurate ablation system which is organized, managed and cavitated is disclosed, the damage of radio frequency ablation to a non-target area is reduced to the maximum extent, the accurate control of various pressures, temperatures, impedances and powers is realized, and the treatment effect and the treatment accuracy are further improved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be used for not having nervous radio frequency ablation equipment and system of wound, melts the pipe including radio frequency ablation appearance and radio frequency, be equipped with a plurality of cable interfaces on the radio frequency ablation appearance, the radio frequency melts the pipe and includes working section, pipe section, body surface electrode section and handle section, be equipped with a plurality of radio frequency ablation electrodes corresponding with body surface electrode section position in the working section, it is a plurality of many cables have been welded in the radio frequency ablation electrode, it is a plurality of all be equipped with temperature sensor in the radio frequency ablation electrode, it is a plurality of the surface and the periphery of radio frequency ablation electrode all are equipped with pressure sensor, and are a plurality of the micropore that can spray carbon dioxide or normal saline all is equipped with the metal and weaves shielding layer in working section and the pipe section, be equipped with the electrode line chamber that is linked together between working section and the pipe section, fill the chamber, temperature sensor wire chamber, A pressure sensor wire cavity and a shaping cavity.
Preferably, the working section is made of metal materials, and the top end of the working section is arranged in an arc surface.
Preferably, the number of the radio frequency ablation electrodes is not less than 1-72.
Preferably, the radiofrequency ablation electrodes are arranged in a straight line.
Preferably, the working section main body is made of high polymer materials, and the radio frequency ablation electrode is fixed on the working section in a pressing, bonding or injection molding mode.
Preferably, the spacing distance between the plurality of radio frequency ablation electrodes is 1mm-300 mm.
Preferably, the length of the conduit section is 10mm to 2000 mm.
Compared with the prior art, the invention has the beneficial effects that:
the front section of the ablation catheter is provided with a plurality of ablation electrodes, and the number of the ablation electrodes is 1-144; the electrodes have a length, preferably in the range of 0.01-20 mm; the material is in a regular state when being closely arranged, can be in a round shape or a polygonal shape, and has a diameter range of 0.01mm-20 mm; when the electrode is pushed forwards and the front end of the catheter is bent, the distribution is still kept in a regular state, and the preferred range of the diameter of the electrode is 0.01-100 mm; the working section of the ablation catheter bears the middle sections of the ablation electrodes, namely the middle sections of the strip-shaped connecting electrodes and the perfusion holes, namely the open cavity, and the damage of radio frequency ablation to a non-target area is reduced to the maximum extent through a non-invasive, efficient and accurate ablation system through tissues and a lumen, and one body surface electrode can correspond to a plurality of ablation electrodes; and one body surface electrode can correspond to one ablation electrode, and the connecting end of the body surface electrode can be freely stretched, so that the accurate control of various pressures, temperatures, impedances and powers is realized, and the treatment effect and the treatment accuracy are further improved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic structural view of a plurality of body surface electrodes of the RF ablation catheter of the present invention;
FIG. 3 is a schematic view of a single body surface electrode structure of the RF ablation catheter of the present invention;
fig. 4 is a schematic view of the internal structure of the pipe section according to the present invention.
In the figure: the method comprises the following steps of 1-a radio frequency ablation instrument, 2-a radio frequency ablation catheter, 3-a working section, 4-a catheter section, 5-a body surface electrode section, 6-a handle section, 7-a radio frequency ablation electrode, 8-an electrode wire cavity, 9-a temperature sensor, 10-a pressure sensor, 11-a micropore, 12-a perfusion cavity, 13-a fixed cavity, 14-a temperature sensor wire cavity, 15-a pressure sensor wire cavity and 16-a metal woven shielding layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an embodiment of the present invention is shown: a device and a system for noninvasive nerve radio-frequency ablation comprise a radio-frequency ablation instrument 1 and a radio-frequency ablation catheter 2, wherein a plurality of cable interfaces are arranged on the radio-frequency ablation instrument 1, the radio-frequency ablation catheter 2 comprises a working section 3, a catheter section 4, a body surface electrode section 5 and a handle section 6, a plurality of radio-frequency ablation electrodes 7 corresponding to the body surface electrode section 5 are arranged in the working section 3, a plurality of cables are welded in the radio-frequency ablation electrodes 7, temperature sensors 9 are arranged in the radio-frequency ablation electrodes 7, pressure sensors 10 are arranged on the surfaces of the radio-frequency ablation electrodes 7, micropores 11 capable of spraying carbon dioxide or physiological saline are arranged on two sides of the radio-frequency ablation electrodes 7, metal woven shielding layers 16 are arranged in the working section 3 and the catheter section 4, an electrode wire cavity 8, a perfusion cavity 12 and a temperature sensor wire cavity 14 which are communicated with the working section 3 and the catheter section 4 are arranged, A pressure sensor lead cavity 15 and a shaping cavity 13.
In the invention, the working section 3 is made of metal materials, the top end of the working section is arranged in an arc surface, the working section can enter a natural cavity of a human body noninvasively, the number of the radio frequency ablation electrodes 7 is not less than 1-72, the radio frequency ablation electrodes 7 are arranged in a straight line, the main body of the working section 3 is made of high polymer materials, the radio frequency ablation electrodes 7 are fixed on the working section 3 in a pressing, bonding or injection mode, the spacing distance among the radio frequency ablation electrodes 7 is 1-300 mm, and the total length of the catheter section 4 is 10-2000 mm.
The working principle is as follows: the normal saline stored in the radiofrequency ablation instrument 1 is poured into a liquid passage of the radiofrequency ablation catheter 2 through an interface and is ejected out of a micropore 11, the radiofrequency ablation instrument is attached to a body surface electrode on a body surface electrode section 5, an ablation electrode is placed to the target position, whether the target tissue is completely attached is judged through a pressure sensor 10, the ablation temperature, time and safe impedance range are set, the radiofrequency ablation is started, when the radiofrequency ablation is started, the radiofrequency ablation instrument 1 can detect the tissue impedance between the radiofrequency ablation electrode 7 and the body surface electrode and record, when the radiofrequency ablation is started, the radiofrequency ablation instrument 1 starts to release power, an energy loop is formed between the radiofrequency ablation electrode 7 and the body surface electrode section, the tissue between the ablation electrode and the electrode starts to heat, a temperature sensor 9 of the radiofrequency ablation electrode 7 transmits a temperature signal to the radiofrequency ablation instrument 1, a temperature change curve is recorded and displayed until the ablation is finished, in the ablation process, once the temperature that temperature sensor 9 of radiofrequency ablation electrode 7 surveyed reaches the settlement temperature, then radiofrequency ablation instrument 1 begins to reduce the power of release, in order to maintain the settlement temperature, in the ablation process, the tissue between radiofrequency ablation electrode 7 and the body surface electrode can take place the degeneration because of being heated, the resistance value continues to reduce, radiofrequency ablation instrument 1 is with resistance signal record, show change curve and numerical value, until melting the end, in the ablation end process, the continuous normal atmospheric temperature of release or the normal atmospheric temperature of cooling or heating of normal saline pouring hole, carry out temperature control for the target position, after melting, radiofrequency ablation instrument sends the prompt tone.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a be used for not having neural radio frequency ablation equipment of wound and system, includes radio frequency ablation appearance (1) and radio frequency ablation catheter (2), its characterized in that: the radio frequency ablation instrument (1) is provided with a plurality of cable interfaces, the radio frequency ablation catheter (2) comprises a working section (3), a catheter section (4), a body surface electrode section (5) and a handle section (6), a plurality of radio frequency ablation electrodes (7) corresponding to the body surface electrode section (5) in position are arranged in the working section (3), a plurality of cables are welded in the radio frequency ablation electrodes (7), a plurality of temperature sensors (9) are arranged in the radio frequency ablation electrodes (7), pressure sensors (10) are arranged on the surfaces and the periphery of the radio frequency ablation electrodes (7), micropores (11) capable of spraying carbon dioxide or normal saline are arranged on two sides of the radio frequency ablation electrodes (7), the working section (3) is connected with the catheter section (4) through a pipe formed by a high polymer material, metal woven shielding layers (16) are arranged in the working section (3) and the catheter section (4), an electrode wire cavity (8), a perfusion cavity (12), a temperature sensor lead cavity (14), a pressure sensor lead cavity (15) and a shaping cavity (13) which are communicated are arranged between the working section (3) and the catheter section (4).
2. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the working section (3) is made of metal materials, and the top end of the working section is arranged in an arc surface mode.
3. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the number of the radio frequency ablation electrodes (7) is not less than 1-72.
4. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the radiofrequency ablation electrodes (7) are linearly arranged.
5. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the main body of the working section (3) is made of high polymer materials, and the radio frequency ablation electrode (7) is fixed on the working section (3) in a pressing, bonding or injection molding mode.
6. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the spacing distance between the plurality of radio frequency ablation electrodes (7) is 1mm-300 mm.
7. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the total length of the conduit section (4) is 10mm-2000 mm.
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CN202010489655.5A CN111494004A (en) | 2020-06-02 | 2020-06-02 | Be used for not having nerve radio frequency ablation equipment and system of wound |
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CN202010489655.5A CN111494004A (en) | 2020-06-02 | 2020-06-02 | Be used for not having nerve radio frequency ablation equipment and system of wound |
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CN111494004A true CN111494004A (en) | 2020-08-07 |
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CN202010489655.5A Pending CN111494004A (en) | 2020-06-02 | 2020-06-02 | Be used for not having nerve radio frequency ablation equipment and system of wound |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115220496A (en) * | 2022-09-20 | 2022-10-21 | 南京伟思医疗科技股份有限公司 | Temperature control method, device and equipment of sectional type radio frequency treatment equipment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102475574A (en) * | 2010-11-25 | 2012-05-30 | 北京恒福思特科技发展有限责任公司 | Scalpel for electrosurgery and electrosurgery system |
CN105147389A (en) * | 2015-10-22 | 2015-12-16 | 上海魅丽纬叶医疗科技有限公司 | Radiofrequency ablation equipment comprising balloon blocking type guide conduit and ablation method thereof |
US20150374435A1 (en) * | 2013-02-07 | 2015-12-31 | Shanghai Golden Leaf Med Tec Co., Ltd | Radio frequency ablation method, system and radio frequency ablation device thereof |
CN212261510U (en) * | 2020-06-02 | 2021-01-01 | 吉紫嫣 | Be used for not having nerve radio frequency ablation equipment and system of wound |
-
2020
- 2020-06-02 CN CN202010489655.5A patent/CN111494004A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102475574A (en) * | 2010-11-25 | 2012-05-30 | 北京恒福思特科技发展有限责任公司 | Scalpel for electrosurgery and electrosurgery system |
US20150374435A1 (en) * | 2013-02-07 | 2015-12-31 | Shanghai Golden Leaf Med Tec Co., Ltd | Radio frequency ablation method, system and radio frequency ablation device thereof |
CN105147389A (en) * | 2015-10-22 | 2015-12-16 | 上海魅丽纬叶医疗科技有限公司 | Radiofrequency ablation equipment comprising balloon blocking type guide conduit and ablation method thereof |
CN212261510U (en) * | 2020-06-02 | 2021-01-01 | 吉紫嫣 | Be used for not having nerve radio frequency ablation equipment and system of wound |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115220496A (en) * | 2022-09-20 | 2022-10-21 | 南京伟思医疗科技股份有限公司 | Temperature control method, device and equipment of sectional type radio frequency treatment equipment |
CN115220496B (en) * | 2022-09-20 | 2022-12-20 | 南京伟思医疗科技股份有限公司 | Temperature control method, device and equipment of sectional type radio frequency treatment equipment |
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