JP2022541066A - 電極配置 - Google Patents
電極配置 Download PDFInfo
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- JP2022541066A JP2022541066A JP2022504044A JP2022504044A JP2022541066A JP 2022541066 A JP2022541066 A JP 2022541066A JP 2022504044 A JP2022504044 A JP 2022504044A JP 2022504044 A JP2022504044 A JP 2022504044A JP 2022541066 A JP2022541066 A JP 2022541066A
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- electrode
- heat dissipation
- dissipation device
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000004020 conductor Substances 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 abstract description 14
- 239000007789 gas Substances 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 12
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
-
- 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
- A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
-
- 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
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart 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
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
-
- 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
- A61B2018/00029—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids open
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00071—Electrical conductivity
- A61B2018/00077—Electrical conductivity high, i.e. electrically conducting
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00089—Thermal conductivity
- A61B2018/00095—Thermal conductivity high, i.e. heat conducting
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/00148—Coatings on the energy applicator with metal
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00482—Digestive system
-
- 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
- A61B2018/00589—Coagulation
-
- 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
- A61B2018/00601—Cutting
-
- 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
- A61B2018/00607—Coagulation and cutting with the same instrument
Abstract
Description
11 装置
12 ガス源
13 発電機
14 (電流用)ライン
15 (ガス用)ライン
16 中性電極
17 器具10の遠位端
18 ホース
19 管腔
20 電極
21 ワイヤ
22 先端
q 電極20の横方向寸法
d 電極20の厚さ
23,24 電極20の平坦な側部
25,26 電極20の狭い側部
Q 電極20の断面
α 狭い側部25、26のセクション間の角度
D 遠位方向
P 近位方向
λ 熱伝導率
27 電極ベース本体
28 放熱装置
29,30 コーティング
31 ガス流
32 プラズマ
33 根元点
34 ワイヤ形状電極セクション
35 コア
36 電極保持セクション
Claims (15)
- 電気外科用器具(10)、特にプラズマ凝固のための電極配置であって、
遠位方向に配向された先端(22)を備える電極(20、20’)を有し、前記先端から開始して、前記電極断面(Q)が近位方向(P)に増加するように構成され、
前記電極(20、20’)が、20W/(m*K)より高い熱伝導率(λ)を有する材料または材料の組み合わせからなることを特徴とする、電極配置。 - 前記電極(20、20’)が、最大横方向寸法(q)と、前記最大横方向寸法(q)の1/10よりも小さいその先端(22)における曲率半径(R)とを有することを特徴とする、請求項1に記載の電極配置。
- 前記横方向寸法(q)が、前記先端(22)から開始して近位方向に連続的に増加するように構成されることを特徴とする、請求項1に記載の電極配置。
- 前記電極(20)が、前記先端(22)に由来する無段階に構成された縁部を備えることを特徴とする、請求項1から3のいずれか一項に記載の電極配置。
- 前記電極(20)が、狭い側部(25、26)によって互いに接続された2つの平坦な側部(23、24)を備えるプレートレットとして構成されることを特徴とする、請求項1から4のいずれか一項に記載の電極配置。
- 前記狭い側部(25、26)と前記平坦な側部(23、24)との間に縁部が形成されることを特徴とする、請求項1から5のいずれか一項に記載の電極配置。
- 前記電極(20、20’)が、放熱装置(28、28’)が取り付けられる少なくとも1つの表面を備えるベース本体(27)からなることを特徴とする、請求項1から6のいずれか一項に記載の電極配置。
- 前記放熱装置(28、28’)が、前記ベース本体(27、27’)上に配置された層であることを特徴とする、請求項7に記載の電極配置。
- 前記電極(20、20’)が、少なくとも1つの平坦な側部(23、24)を備え、前記層が、前記平坦な側部(23、24)全体を覆うように構成されることを特徴とする、請求項8に記載の電極配置。
- 前記放熱装置(28、28’)が、熱伝導性材料からなることを特徴とする、請求項1から9のいずれか一項に記載の電極配置。
- 前記放熱装置(28、28’)が金属材料で作られていることを特徴とする、請求項7から10のいずれか一項に記載の電極配置。
- 前記放熱装置(28、28’)が、非金属材料で作られていることを特徴とする、請求項7から10のいずれか一項に記載の電極配置。
- 前記放熱装置(28、28’)が、前記電極(20、20’)から生じるスパークとの直接接触のために設けられた領域(33)まで延びるように構成および配置されることを特徴とする、請求項7から12のいずれか一項に記載の電極配置。
- 前記放熱装置(28、28’)が、前記ベース本体(27、27’)の導電率よりも高い導電率を含むことを特徴とする、請求項7から13のいずれか一項に記載の電極配置。
- 前記放熱装置(28、28’)が、前記ベース本体(27、27’)の熱伝導率よりも高い熱伝導率を有することを特徴とする、請求項7から14のいずれか一項に記載の電極配置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19187863.6A EP3769707A1 (de) | 2019-07-23 | 2019-07-23 | Elektrodenanordnung |
EP19187863.6 | 2019-07-23 | ||
PCT/EP2020/070567 WO2021013840A1 (de) | 2019-07-23 | 2020-07-21 | Elektrodenanordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2022541066A true JP2022541066A (ja) | 2022-09-21 |
Family
ID=67438565
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022504044A Pending JP2022541066A (ja) | 2019-07-23 | 2020-07-21 | 電極配置 |
JP2022504042A Pending JP2022541599A (ja) | 2019-07-23 | 2020-07-21 | プラズマ手術用の器具およびプラズマを生成するための方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022504042A Pending JP2022541599A (ja) | 2019-07-23 | 2020-07-21 | プラズマ手術用の器具およびプラズマを生成するための方法 |
Country Status (7)
Country | Link |
---|---|
US (3) | US20220280219A1 (ja) |
EP (3) | EP3769707A1 (ja) |
JP (2) | JP2022541066A (ja) |
KR (3) | KR20220039732A (ja) |
CN (3) | CN114126525A (ja) |
BR (3) | BR112021023591A2 (ja) |
WO (3) | WO2021013840A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4119080A1 (de) | 2021-07-12 | 2023-01-18 | Erbe Elektromedizin GmbH | Plasmasonde und verfahren zur montage ihrer elektrode |
EP4209188A1 (de) * | 2022-01-07 | 2023-07-12 | Erbe Elektromedizin GmbH | Plasmasonde |
CN117165918B (zh) * | 2023-11-02 | 2024-02-20 | 成都仕康美医疗器械有限公司 | 一种降低组织焦痂的电外科器械用电极及其制备方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5207675A (en) * | 1991-07-15 | 1993-05-04 | Jerome Canady | Surgical coagulation device |
US6149620A (en) * | 1995-11-22 | 2000-11-21 | Arthrocare Corporation | System and methods for electrosurgical tissue treatment in the presence of electrically conductive fluid |
DE10030111B4 (de) | 2000-06-19 | 2008-07-10 | Erbe Elektromedizin Gmbh | Sondenelektrode |
DE10351370B4 (de) | 2003-11-04 | 2011-08-11 | Erbe Elektromedizin GmbH, 72072 | Instrument für die Plasma-Koagulation |
EP1850780B1 (en) * | 2005-02-11 | 2012-06-20 | MacKay, Dale Victor | An electrosurgical probe |
US20070055226A1 (en) * | 2005-07-14 | 2007-03-08 | Garito Jon C | Electrosurgical electrode with silver |
US10448992B2 (en) | 2010-10-22 | 2019-10-22 | Arthrocare Corporation | Electrosurgical system with device specific operational parameters |
AU2012254836A1 (en) * | 2011-05-09 | 2013-12-19 | Ionmed Ltd | Medical device for tissue welding using plasma |
US20150038790A1 (en) * | 2011-08-25 | 2015-02-05 | Michael Rontal | Method and apparatus for cold plasma treatment of internal organs |
CN109152600A (zh) * | 2016-02-19 | 2019-01-04 | 梅迪登特科技股份有限公司 | 采用等离子弧流的组织治疗 |
DE102016110705A1 (de) * | 2016-06-10 | 2017-12-14 | Olympus Winter & Ibe Gmbh | Elektrochirurgisches Instrument, elektrochirurgisches System und Verfahren zur Herstellung eines elektrochirurgischen Instruments |
GB201621748D0 (en) * | 2016-12-20 | 2017-02-01 | Gyrus Medical Ltd | Electrosurgical apparatus |
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2019
- 2019-07-23 EP EP19187863.6A patent/EP3769707A1/de active Pending
-
2020
- 2020-07-21 CN CN202080052947.0A patent/CN114126525A/zh active Pending
- 2020-07-21 KR KR1020227004078A patent/KR20220039732A/ko unknown
- 2020-07-21 US US17/628,727 patent/US20220280219A1/en active Pending
- 2020-07-21 WO PCT/EP2020/070567 patent/WO2021013840A1/de active Application Filing
- 2020-07-21 KR KR1020227004075A patent/KR20220039731A/ko unknown
- 2020-07-21 CN CN202080052895.7A patent/CN114126523A/zh active Pending
- 2020-07-21 CN CN202080052940.9A patent/CN114126524A/zh active Pending
- 2020-07-21 WO PCT/EP2020/070580 patent/WO2021013847A1/de unknown
- 2020-07-21 BR BR112021023591A patent/BR112021023591A2/pt unknown
- 2020-07-21 JP JP2022504044A patent/JP2022541066A/ja active Pending
- 2020-07-21 EP EP20740638.0A patent/EP4003202A1/de active Pending
- 2020-07-21 BR BR112021024172A patent/BR112021024172A2/pt unknown
- 2020-07-21 WO PCT/EP2020/070585 patent/WO2021013852A1/de unknown
- 2020-07-21 JP JP2022504042A patent/JP2022541599A/ja active Pending
- 2020-07-21 BR BR112021024096A patent/BR112021024096A2/pt unknown
- 2020-07-21 KR KR1020227004072A patent/KR20220039730A/ko unknown
- 2020-07-21 US US17/628,709 patent/US20220265336A1/en active Pending
- 2020-07-21 US US17/628,666 patent/US20220257302A1/en active Pending
- 2020-07-21 EP EP20740640.6A patent/EP4003203A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2022540962A (ja) | 2022-09-20 |
US20220280219A1 (en) | 2022-09-08 |
EP4003203A1 (de) | 2022-06-01 |
EP3769707A1 (de) | 2021-01-27 |
US20220265336A1 (en) | 2022-08-25 |
CN114126523A (zh) | 2022-03-01 |
WO2021013847A1 (de) | 2021-01-28 |
KR20220039730A (ko) | 2022-03-29 |
KR20220039731A (ko) | 2022-03-29 |
BR112021024172A2 (pt) | 2022-03-22 |
WO2021013840A1 (de) | 2021-01-28 |
WO2021013852A1 (de) | 2021-01-28 |
JP2022541599A (ja) | 2022-09-26 |
RU2020123442A (ru) | 2022-01-17 |
BR112021024096A2 (pt) | 2022-04-19 |
BR112021023591A2 (pt) | 2022-01-04 |
CN114126524A (zh) | 2022-03-01 |
KR20220039732A (ko) | 2022-03-29 |
US20220257302A1 (en) | 2022-08-18 |
EP4003202A1 (de) | 2022-06-01 |
CN114126525A (zh) | 2022-03-01 |
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