JP2021053371A - アブレーションプローブ - Google Patents
アブレーションプローブ Download PDFInfo
- Publication number
- JP2021053371A JP2021053371A JP2020148032A JP2020148032A JP2021053371A JP 2021053371 A JP2021053371 A JP 2021053371A JP 2020148032 A JP2020148032 A JP 2020148032A JP 2020148032 A JP2020148032 A JP 2020148032A JP 2021053371 A JP2021053371 A JP 2021053371A
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- hose
- distal end
- probe
- wall
- plastic
- Prior art date
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- 239000000523 sample Substances 0.000 title claims abstract description 77
- 238000002679 ablation Methods 0.000 title claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 48
- 229920003023 plastic Polymers 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 210000004185 liver Anatomy 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- -1 wire pieces Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 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
- A61B18/12—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
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/04—Macromolecular materials
-
- 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
- A61B2018/00005—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
- A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
-
- 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
- A61B2018/00059—Material properties
- A61B2018/00089—Thermal conductivity
- A61B2018/00101—Thermal conductivity low, i.e. thermally insulating
-
- 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
- A61B2018/00136—Coatings on the energy applicator with polymer
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00172—Connectors and adapters 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00404—Blood vessels other than those in or around the heart
-
- 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
- A61B2018/00529—Liver
-
- 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
- A61B2018/00541—Lung or bronchi
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Cardiology (AREA)
- Epidemiology (AREA)
- Surgical Instruments (AREA)
Abstract
Description
11 装置
12 ホース
13 コネクタ
14 ホース12の遠位端部
15 第1電極
16 第2電極
17 ホース壁
18 チャネル/ルーメン
19 端片
20 流体導管
21 溶接接続部
22 ノズル開口部
23 ホース壁17の接続位置
24 導電体
25 伝熱体
25a、b 伝熱体部
26 ホース壁中間部
27 中間部
28 粒子
29 スリーブ
30 縦穴
31 接触位置
32 スペーサ
33 電気絶縁部
K ホース壁のプラスチック
K1 端部14のプラスチック
K2 端部14以外のホース壁部のプラスチック
Claims (15)
- プローブ(10)、特に、内部冷却を備えた高周波アブレーションプローブであって、
ホース壁(17)によって制限されたチャネル(18)を含むフレキシブルホース(12)を備え、前記フレキシブルホース(12)の前記ホース壁(17)には、少なくとも1つの電極(15)が遠位端部(14)に設けられており、
前記ホース壁(17)は、前記遠位端部(14)において、前記電極(15)から前記チャネル(18)への方向に、前記遠位端部(14)以外より高い径方向熱伝導率を有する
プローブ。 - 前記ホース壁(17)は、プラスチック(K、K1、K2)からなる
請求項1に記載のプローブ。 - 前記ホース壁(17)は、前記遠位端部(14)において第1プラスチック(K1)からなり、前記遠位端部(14)以外において第2プラスチック(K2)からなる
請求項2に記載のプローブ。 - 前記第1プラスチック(K1)は、前記プラスチック(K2)より低い特有の熱抵抗率を有する
請求項3に記載のプローブ。 - 前記ホース壁(17)は、前記遠位端部(14)に少なくとも1つの伝熱体(25)を含む
請求項1〜4のいずれか1項に記載のプローブ。 - 前記少なくとも1つの伝熱体(25)は、前記ホース壁(17)内に埋め込まれるように配置される
請求項5に記載のプローブ。 - 前記少なくとも1つの伝熱体(25)は、金属からなるワイヤ、金属からなるバンド、またはリング群もしくはスリーブ群である
請求項5または6に記載のプローブ。 - 前記伝熱体(25)は、周方向および/または長手方向に延在するように配置される
請求項5〜7のいずれか1項に記載のプローブ。 - 複数の伝熱体(25a、25b、28)が設けられる
請求項5〜7のいずれか1項に記載のプローブ。 - 前記複数の伝熱体(28)は、不規則に配置され、かつ/または不規則に形成された粒子である
請求項9に記載のプローブ。 - 前記ホース壁(17)の前記遠位端部(14)における壁厚は、前記ホース壁(17)の他の壁厚より薄い
請求項1〜10のいずれか1項に記載のプローブ。 - 前記ホース(12)の前記遠位端部(14)は、アダプタ(29)を介して残りのホース(12)に接続される
請求項1〜11のいずれか1項に記載のプローブ。 - 前記ホース(12)の前記遠位端部(14)で終端する流体導管(20)が前記チャネル(18)内に配置される
請求項1〜12のいずれか1項に記載のプローブ。 - 前記流体導管(20)は、金属毛細管として構成される
請求項13に記載のプローブ。 - 前記ホース(12)は、前記電極(15、16)に接続される少なくとも1つの導電体(24、20)を含む
請求項1〜14のいずれか1項に記載のプローブ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19195658.0A EP3788974A1 (de) | 2019-09-05 | 2019-09-05 | Ablationssonde |
EP19195658 | 2019-09-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021053371A true JP2021053371A (ja) | 2021-04-08 |
JP2021053371A5 JP2021053371A5 (ja) | 2021-09-30 |
Family
ID=67875257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020148032A Pending JP2021053371A (ja) | 2019-09-05 | 2020-09-03 | アブレーションプローブ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210068894A1 (ja) |
EP (1) | EP3788974A1 (ja) |
JP (1) | JP2021053371A (ja) |
KR (1) | KR20210029094A (ja) |
CN (1) | CN112438798A (ja) |
BR (1) | BR102020017227A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11489286B2 (en) | 2020-03-27 | 2022-11-01 | Aptiv Technologies Limited | Electrical connector with a mate assist system |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11515676B2 (en) * | 2020-02-21 | 2022-11-29 | Qualcomm Incorporated | Thermal mitigation for USB power delivery |
CN113729916B (zh) * | 2021-10-18 | 2022-12-09 | 佳木斯大学 | 基于大数据的肿瘤冷冻探针系统及组装设备 |
EP4349288A1 (de) | 2022-10-07 | 2024-04-10 | Erbe Elektromedizin GmbH | Ablationssonde mit innerer kühlung |
EP4349289A1 (de) | 2022-10-07 | 2024-04-10 | Erbe Elektromedizin GmbH | Sonde mit distaler schneidelektrode |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3485234A (en) | 1966-04-13 | 1969-12-23 | Cordis Corp | Tubular products and method of making same |
DE2945607A1 (de) | 1979-11-12 | 1981-05-21 | Krüger, Bernhard, 7053 Kernen | Anordnung zur einkopplung von waerme in den primaerkreislauf der waermepumpe einer waermepumpen-heizanlage |
DE8505999U1 (de) | 1985-03-02 | 1985-10-31 | Karl Herzog Gmbh & Co, 7000 Stuttgart | Handtuch |
US5899898A (en) * | 1997-02-27 | 1999-05-04 | Cryocath Technologies Inc. | Cryosurgical linear ablation |
US6913604B2 (en) * | 1997-02-27 | 2005-07-05 | Cryocath Technologies Inc. | Cryosurgical catheter |
US6939350B2 (en) | 2001-10-22 | 2005-09-06 | Boston Scientific Scimed, Inc. | Apparatus for supporting diagnostic and therapeutic elements in contact with tissue including electrode cooling device |
US6755824B2 (en) * | 2002-04-15 | 2004-06-29 | Uab Research Foundation | Platelet inhibitor eluting ablation catheter |
US8226648B2 (en) * | 2007-12-31 | 2012-07-24 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Pressure-sensitive flexible polymer bipolar electrode |
US9220555B2 (en) * | 2010-10-28 | 2015-12-29 | Medtronic Ablation Frontiers Llc | Cryo-ablation device with deployable injection tube |
EP2731528B1 (en) * | 2011-07-14 | 2018-08-22 | AFreeze GmbH | Ablation applicator with a matrix filled with particles |
US20130281997A1 (en) * | 2012-04-20 | 2013-10-24 | Medtronic Cryocath Lp | Method for treatment of vt using ablation |
US11369301B2 (en) * | 2017-01-27 | 2022-06-28 | Medtronic Cryocath Lp | Highly flexible mapping and treatment device |
-
2019
- 2019-09-05 EP EP19195658.0A patent/EP3788974A1/de active Pending
-
2020
- 2020-08-24 BR BR102020017227-1A patent/BR102020017227A2/pt unknown
- 2020-08-25 KR KR1020200106843A patent/KR20210029094A/ko unknown
- 2020-08-27 US US17/004,606 patent/US20210068894A1/en active Pending
- 2020-09-03 JP JP2020148032A patent/JP2021053371A/ja active Pending
- 2020-09-04 CN CN202010922879.0A patent/CN112438798A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11489286B2 (en) | 2020-03-27 | 2022-11-01 | Aptiv Technologies Limited | Electrical connector with a mate assist system |
Also Published As
Publication number | Publication date |
---|---|
CN112438798A (zh) | 2021-03-05 |
KR20210029094A (ko) | 2021-03-15 |
US20210068894A1 (en) | 2021-03-11 |
RU2020128732A (ru) | 2022-02-28 |
EP3788974A1 (de) | 2021-03-10 |
BR102020017227A2 (pt) | 2021-03-16 |
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