JP2000508196A - 損失性誘電特性を備えた生体医療用電極 - Google Patents
損失性誘電特性を備えた生体医療用電極Info
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- JP2000508196A JP2000508196A JP09536149A JP53614997A JP2000508196A JP 2000508196 A JP2000508196 A JP 2000508196A JP 09536149 A JP09536149 A JP 09536149A JP 53614997 A JP53614997 A JP 53614997A JP 2000508196 A JP2000508196 A JP 2000508196A
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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
- A61B18/16—Indifferent or passive electrodes for grounding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
- A61N1/0452—Specially adapted for transcutaneous muscle stimulation [TMS]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
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- A61N1/046—Specially adapted for shock therapy, e.g. defibrillation
-
- A—HUMAN NECESSITIES
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- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch electrodes
- A61N1/0496—Patch electrodes characterised by using specific chemical compositions, e.g. hydrogel compositions, adhesives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Electrotherapy Devices (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.生体医療用電極であって、 不導電性裏地と、 前記不導電性裏地と接触する導電板と、 前記導電板と、患者の身体に接触できる電極の表面との間の損失性誘電体のフ ィールドと、 前記導電板と前記損失性誘電体のフィールドとの両方と接触している導電性接 着剤のフィールドと、を含む生体医療用電極。 2.前記導電板が身体接触部分と延長タブとを有し、前記損失性誘電体のフィ ールドが前記導電板の身体接触部分の外部エッジに近接した領域と接触する、請 求の範囲第1項に記載の生体医療用電極。 3.前記損失性誘電体のフィールドが各導電板の一部とのみ接触し、前記導電 性接着剤のフィールドが前記損失性誘電体のフィールドと接触している、第2の 導電板をさらに含む、請求の範囲第1項に記載の生体医療用電極。 4.各導電板が身体接触部分と延長タブとを有し、前記損失性誘電体のフィー ルドが各導電板の身体接触部分の外部エッジに近接した領域と接触する、請求の 範囲第3項に記載の生体医療用電極。 5.前記損失性誘電体のフィールドが、導電性表面の周囲においてエッジ効果 を起こす抵抗型分散電極と、前記導電性表面と前記患者の身体との間に容量性の 流れしかを起こさない容量型分散電極との両極端間に性能パラメータを有する、 請求の範囲第1項に記載の生体医療用電極。 6.前記損失性誘電体が、ある外形の前記生体医療用電極と接触する患者の皮 膚での温度上昇の最大量を同外形の抵抗型分散電極と比べて最小限に抑える、請 求の範囲第5項に記載の生体医療用電極。 7.前記皮膚温度上昇の最大量が、AAMI Standard Section4.2.3.1(AAMI標準 章4.2.3.1)(1986)に従って試験されると電気外科用ジェネレータと の使用開始から約6℃未満である、請求の範囲第6項に記載の生体医療用電極で ある。 8.導電性接着剤の2つの異なるフィールドが2つの異なる導電板と接触する 、請求の範囲第3項に記載の生体医療用電極。 9.前記電極の領域が、前記電極の外部エッジにおいて約-0.5Ω/129c m2〜約-16Ω/129cm2の範囲の129cm2当たりのリアクタンスを有する 、請求の範囲第1項に記載の生体医療用電極。 10.前記電極の領域が、500kHzおよび60mVの信号振幅(RMS)で測定 されると、前記生体医療用電極の前記身体接触部分の外部エッジにおいて約0. 14〜約1.7の範囲のtanδを有する、請求の範囲第1項に記載の生体医療用 電極。 11.前記損失性誘電体が約5%〜約70%の範囲の前記身体接触部分22の 面積を占有する、請求の範囲第2項に記載の生体医療用電極。 12.前記損失性誘電体が、前記身体接触部分の外部エッジにおいて約0.3 87Ω/129cm2〜約20Ω/129cm2の範囲の129cm2当たりの最大 インピーダンスを有する、請求の範囲第2項に記載の生体医療用電極。 13.前記損失性誘電体が、前記身体接触部分の外部エッジにおいて約0.3 87Ω/129cm2〜20Ω/129cm2のインピーダンス/面積、および50 0kHzおよび60mVの信号振幅(RMS)で測定されると、前記生体医療用電 極上の前記身体接触部分の前記外部エッジにおいて約0.1〜約1.7のtanδ を有する、請求の範囲第1項に記載の生体医療用電極。 14.前記損失性誘電体が、前記身体接触部分の外部エッジにおいて約1Ω/ 129cm2〜8Ω/129cm2のインピーダンス/面積、および500kHzお よび60mVの信号振幅(RMS)で測定されると、前記生体医療用電極上の前記 身体接触部分の前記外部エッジにおいて約0.2〜約0.7のtanδを有する、 請求の範囲第1項に記載の生体医療用電極。 15.前記損失性誘電体のフィールドが、前記導電性接着剤のフィールド内の シートである、請求の範囲第1項に記載の生体医療用電極。 16.前記損失性誘電体のフィールドが、皮膚と接触する前記導電性接着剤の フィールド上のシートである、請求の範囲第1項に記載の生体医療用電極。 17.前記損失性誘電体のフィールドが、損失性誘電特性を与えるように変更 された前記導電性表面の一部である、請求の範囲第1項に記載の生体医療用電極 。 18.前記損失性誘電体のフィールドが、前記導電性表面の一部にまたは前記 導電性接着剤のフィールドの一部に損失性誘電特性を与えるべく前記導電性接着 剤のフィールドの一部である、請求の範囲第1項に記載の生体医療用電極。 19.前記生体医療用電極がCQM監視に応答する分散電極である、請求の範囲 第1項に記載の生体医療用電極。 20.前記電極が、心臓刺激電極であり、電流を患者に送る、請求の範囲第1 項に記載の生体医療用電極。 21.前記心臓刺激電極が、細動除去電極、カルジオバージョン電極、または 整調電極である、請求の範囲第19項に記載の生体医療用電極。 22.電気外科装置であって、 電気外科ジェネレータと、不導電性裏地を備えた生体医療用電極と、 前記不導電性裏地と接触する導電板と、 損失性誘電体のフィールドと、 前記導電板と前記損失性誘電体のフィールドとの両者と接触している導電性接 着剤のフィールドと、を具備した電気外科装置。 23.生体医療用電極の誘電特性を制御する方法であって、 (a)損失性誘電体を、導電性表面と、患者と接触する前記電極の表面との間 の前記電極の少なくとも一部に適用するステップと、 (b)前記電極の残りの要素を組み立てるステップと、を含む方法。 24.前記適用ステップが前記損失性誘電体で前記導電性表面の一部を塗布す ることを含む、請求の範囲第23項に記栽の方法。 25.前記適用ステップが、シートとして損失性誘電体のフィールドを、患者 と接触する前記表面における導電性接着剤のフィールドに適用することを含む、 請求の範囲第23項に記載の方法。 26.前記適用ステップが、前記導電性表面を変えて損失性誘電特性を与える ために損失性誘電体のフィールドを前記導電性表面の一部として適用することを 含む、請求の範囲第23項に記載の方法。 27.前記適用ステップが、前記導電性表面の一部にまたは前記導電性接着剤 のフィールドの一部に損失性誘電特性を与えるために損失性誘電体のフィールド を導電性接着剤のフィールドの一部として適用することを含む、請求の範囲第2 3項に記載の方法。 28.前記損失性誘電体のフィールドが、外部エッジにおける最大インピーダン スの約30%〜90%の範囲の、前記身体接触部分の中心から前記外部エッジま での電気的インピーダンス勾配となるように適用される、請求の範囲第27項に 記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/628,182 | 1996-04-04 | ||
| US08/628,182 US5836942A (en) | 1996-04-04 | 1996-04-04 | Biomedical electrode with lossy dielectric properties |
| PCT/US1996/012891 WO1997037719A1 (en) | 1996-04-04 | 1996-08-08 | Biomedical electrode with lossy dielectric properties |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007176448A Division JP2007325935A (ja) | 1996-04-04 | 2007-07-04 | 損失性誘電特性を備えた生体医療用電極 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000508196A true JP2000508196A (ja) | 2000-07-04 |
| JP2000508196A5 JP2000508196A5 (ja) | 2004-09-16 |
| JP4335312B2 JP4335312B2 (ja) | 2009-09-30 |
Family
ID=24517821
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53614997A Expired - Fee Related JP4335312B2 (ja) | 1996-04-04 | 1996-08-08 | 損失性誘電特性を備えた生体医療用電極 |
| JP2007176448A Pending JP2007325935A (ja) | 1996-04-04 | 2007-07-04 | 損失性誘電特性を備えた生体医療用電極 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007176448A Pending JP2007325935A (ja) | 1996-04-04 | 2007-07-04 | 損失性誘電特性を備えた生体医療用電極 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5836942A (ja) |
| EP (1) | EP0891206B1 (ja) |
| JP (2) | JP4335312B2 (ja) |
| CN (1) | CN1145504C (ja) |
| AU (1) | AU7103696A (ja) |
| DE (1) | DE69625935T2 (ja) |
| WO (1) | WO1997037719A1 (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| US5836942A (en) | 1998-11-17 |
| EP0891206A1 (en) | 1999-01-20 |
| WO1997037719A1 (en) | 1997-10-16 |
| JP2007325935A (ja) | 2007-12-20 |
| AU7103696A (en) | 1997-10-29 |
| JP4335312B2 (ja) | 2009-09-30 |
| DE69625935T2 (de) | 2003-11-27 |
| DE69625935D1 (de) | 2003-02-27 |
| CN1145504C (zh) | 2004-04-14 |
| EP0891206B1 (en) | 2003-01-22 |
| CN1216001A (zh) | 1999-05-05 |
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