JPH09503677A - 像形成、電位検出型及び切除カテーテル - Google Patents
像形成、電位検出型及び切除カテーテルInfo
- Publication number
- JPH09503677A JPH09503677A JP7504117A JP50411795A JPH09503677A JP H09503677 A JPH09503677 A JP H09503677A JP 7504117 A JP7504117 A JP 7504117A JP 50411795 A JP50411795 A JP 50411795A JP H09503677 A JPH09503677 A JP H09503677A
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- Prior art keywords
- catheter
- balloon
- shaft
- ultrasonic
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
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- A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B17/2202—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement the ultrasound transducer being inside patient's body at the distal end of the catheter
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- A61B2017/22082—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance
- A61B2017/22084—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance stone- or thrombus-dissolving
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- A61B2018/00077—Electrical conductivity high, i.e. electrically conducting
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- Otolaryngology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.生物の体内で使用する音響式像形成システムにして、 前記生物の前記体内に挿入し得る構造とされた細長い可撓性のカテーテルと、 前記細長い可撓性のカテーテル内に組み込まれた超音波装置と、 前記細長い可撓性のカテーテルの末端部分に取り付けられた電極と、 前記細長い可撓性のカテーテルの基端から前記末端部分まで伸長する複数の導 電体とを備え、該複数の導電体の少なくとも二つが、前記超音波装置に接続され 、前記複数の導電体の少なくとも一つが前記電極に接続され、 前記超音波装置が、前記生物の前記体内の内部構造体の超音波像を形成する目 的にて、該内部構造体に向けて超音波信号を導入し得るように配置され、 前記電極が、前記超音波装置により像を形成した前記内部構造体と電気的に接 触し得るように配置されることを特徴とする音響式像形成システム。 2.請求の範囲第1項に記載の音響式像形成システムにして、前記内部構造体 が心臓組織を含むことを特徴とする音響式像形成システム。 3.請求の範囲第1項に記載の音響式像形成システムにして、前記電極が、該 電極が前記内部構造体と電気的に接触するように配置されたとき、前記内部構造 体内の電位を検出し得る構造とされた電気生理学的電極を備えることを特徴とす る音響式像形成システム。 4.請求の範囲第1項に記載の音響式像形成システムにして、前記電極が、該 電極が前記内部構造体と電気的に接触するように配置されたとき、組織を切除し 得る構造とされた切除電極を備えることを特徴とする音響式像形成システム。 5.請求の範囲第4項に記載の音響式像形成システムにして、前記切除電極の 少なくとも一部が前記内部構造体内に挿入し得る構造とされることを特徴とする 音響式像形成システム。 6.請求の範囲第5項に記載の音響式像形成システムにして、前記切除電極が ワイヤーであることを特徴とする音響式像形成システム。 7.請求の範囲第6項に記載の音響式像形成システムにして、前記ワイヤーが コルクねじの形状をしていることを特徴とする音響式像形成システム。 8.請求の範囲第1項に記載の音響式像形成システムにして、前記細長い可撓 性のカテーテルが、前記カテーテルの前記末端部分を曲げ得る構造とされたステ アリング装置を備え、該ステアリング装置が、前記カテーテルの前記末端部分の 前記曲がり程度を制御し得るように配置された、前記カテーテルの基端部分に設 けた制御機構を備えることを特徴とする音響式像形成システム。 9.請求の範囲第1項に記載の音響式像形成システムにして、 前記細長い可撓性のカテーテルが、細長い管状部材と、該管状部材を貫通して 伸長する細長い駆動シャフトとを備え、前記超音波装置の少なくとも一部が前記 駆動シャフトの末端部分に取り付けられ、 前記音響式像形成システムが、前記駆動シャフトと前記管状部材とを相対的に 長手方向に動かし得るような構造とされた機構を更に備えることを特徴とする音 響式像形成システム。 10.請求の範囲第1項に記載の音響式像形成システムにして、前記超音波装置 が超音波トランスデューサを備えることを特徴とする音響式像形成システム。 11.請求の範囲第10項に記載の音響式像形成システムにして、前記超音波装 置が、前記超音波トランスデューサにより発生された超音波信号が前記内部構造 体に向けて導入されるような方法にて、該超音波信号を反射し得るように配置さ れたミラーを更に備えることを特徴とする音響式像形成システム。 12.請求の範囲第1項に記載の音響式像形成システムにして、前記細長い可撓 性のカテーテルの前記末端部分に取り付けられたバルーンを更に備えることを特 徴とする音響式像形成システム。 13.請求の範囲第12項に記載の音響式像形成システムにして、前記バルーン が、前記超音波装置により像が形成された前記内部構造体の少なくとも一部を切 除し得る構造とされることを特徴とする音響式像形成システム。 14.請求の範囲第13項に記載の音響式像形成システムにして、前記バルーン が、通電に応答して振動する材料から成り、前記複数の導電体の少なくとも二つ が該材料に接続されて、該材料を振動させ、前記切除が前記材料の振動により少 なくとも支援されるようにしたことを特徴とする音響式像形成システム。 15.請求の範囲第12項に記載の音響式像形成システムにして、前記バルーン が、前記カテーテルを前記内部構造体の付近の位置に配置し易くする構造とされ ることを特徴とする音響式像形成システム。 16.請求の範囲第15項に記載の音響式像形成システムにして、前記カテーテ ルの末端に取り付けられた前記バルーンが、前記生物の前記体内の一つの位置か ら前記生物の前記体内の別の位置まで該バルーンが浮動し得るようにガスで充填 可能であるようにしたことを特徴とする音響式像形成システム。 17.請求の範囲第15項に記載の音響式像形成システムにして、前記カテーテ ルの前記末端に取り付けられた前記バルーンが、前記生物の前記体内の流体流と 共に該バルーンが移動し得るように液体で充填可能であるようにしたことを特徴 とする音響式像形成システム。 18.請求の範囲第15項に記載の音響式像形成システムにして、前記バルーン が、前記生物の前記身体の前記内部構造体の壁に対して前記カテーテルを押し付 け得る構造とされることを特徴とする音響式像形成システム。 19.請求の範囲第18項に記載の音響式像形成システムにして、前記電極が前 記バルーンに取り付けられることを特徴とする音響式像形成システム。 20.請求の範囲第18項に記載の音響式像形成システムにして、前記カテーテ ルが管状シャフト部材を備え、前記電極が前記管状のシャフト部材上に取り付け られることを特徴とする音響式像形成システム。 21.請求の範囲第12項に記載の音響式像形成システムにして、前記バルーン が音透過性であることを特徴とする音響式像形成システム。 22.生物の体内の内部構造体を診断し又は治療する方法にして、 細長い可撓性のカテーテルを前記生物の前記体内に挿入する段階と、 前記生物の前記体内の前記内部構造体の付近の位置に前記細長い可撓性のカテ ーテルの末端部分に取り付けられた電極を位置決めする段階と、 前記細長い可撓性のカテーテルに組み込まれた超音波装置を前記内部構造体の 付近の位置に配置する段階と、 前記超音波装置から前記内部構造体に向けて超音波信号を導入し、前記内部構 造体の超音波像が形成されるようにする段階と、 前記超音波装置により像が形成された前記内部構造体と電気的に接触し得るよ うに前記電極を配置する段階とを備えることを特徴とする方法。 23.請求の範囲第22項に記載の方法にして、前記内部構造体の前記超音波像 に基づいて、前記内部構造体に関する前記電極の位置を判断する段階を更に備え ることを特徴とする方法。 24.請求の範囲第23項に記載の方法にして、前記内部構造体に関する前記電 極の位置を判断する前記段階が、 長手方向に離間した少なくとも二つの位置の間で前記トランスデューサを摺動 させる段階と、 前記位置の少なくとも一つの位置にて前記超音波装置からの超音波信号を前記 内部構造体に導入し、該位置にて前記内部構造体の超音波像を形成する段階と、 前記複数の超音波像に基づいて、前記内部構造体に関する前記電極の位置を判 断する段階とを含むことを特徴とする方法。 25.生物の体内で使用する音響式像形成システムにして、 前記生物の前記体内に挿入し得る構造とされた細長い可撓性のカテーテルと、 前記細長い可撓性のカテーテル内に組み込まれた超音波装置と、 前記細長い可撓性のカテーテルの末端部分に取り付けられた化学的切除装置と 、 前記細長い可撓性のカテーテルの基端から前記末端部分まで伸長する複数の導 電体とを備え、該複数の導電体の少なくとも二つが前記超音波装置に接続され、 該超音波装置が、前記生物の前記体内の内部構造体の超音波像を形成する目的 にて、該内部構造体に向けて超音波信号を導入し得るように配置され、 前記化学的切除装置が、前記超音波装置により像が形成された前記内部構造の 少なくとも一部を該内部構造体に流体を供給することにより切除し得るように配 置されることを特徴とする音響式像形成システム。 26.請求の範囲第25項に記載の音響式像形成システムにして、前記切除装置 が、前記生物の前記身体の前記内部構造体内に流体を注入し得る構造とされた針 を備えることを特徴とする音響式像形成システム。 27.請求の範囲第26項に記載の音響式像形成システムにして、前記針が前記 カテーテルの末端先端から伸長することを特徴とする音響式像形成システム。 28.請求の範囲第26項に記載の音響式像形成システムにして、前記針が前記 カテーテルの側壁から伸長することを特徴とする音響式像形成システム。 29.請求の範囲第26項に記載の音響式像形成システムにして、前記針の少な くとも一部が、前記超音波装置により前記生物の前記身体の前記内部構造体に向 けて導入された前記超音波信号で画成された面内に位置するようにしたことを特 徴とする音響式像形成システム。 30.請求の範囲第26項に記載の音響式像形成システムにして、前記音響式像 形成システムが、電気生理学的電極を更に備え、 前記針が前記電気生理学的電極の付近の位置に配置されることを特徴とする音 響式像形成システム。 31.請求の範囲第26項に記載の音響式像形成システムにして、前記針が退却 位置と伸長位置とを有し、該退却位置と該伸長位置との間で可動であることを特 徴とする音響式像形成システム。 32.請求の範囲第25項に記載の音響式像形成システムにして、前記切除装置 が、前記生物の前記身体の前記内部構造体に流体を供給するポートが形成された 壁を有するバルーンを備えることを特徴とする音響式像形成システム。 33.請求の範囲第32項に記載の音響式像形成システムにして、前記バルーン が、通電に応答して振動する材料から成り、前記複数の導電体の少なくとも二つ が該材料を振動させ得るように該材料に接続され、前記内部構造体への前記流体 の供給が、前記材料の振動により支援されるようにしたことを特徴とする音響式 像形成システム。 34.請求の範囲第32項に記載の音響式像形成システムにして、前記バルーン が音透過性であること特徴とする音響式像形成システム。 35.請求の範囲第34項に記載の音響式像形成システムにして、前記バルーン の少なくとも一部が、前記超音波装置により前記生物の前記身体の前記内部構造 体に向けて導入された前記超音波信号で画成された面内に位置するようにしたこ とを特徴とする音響式像形成システム。 36.生物の体内で使用する音響式像形成システムにして、 前記生物の前記体内に挿入可能な構造とされた細長い可撓性のカテーテルと、 前記細長い可撓性のカテーテル内に組み込まれた超音波装置であって、前記内 部構造体の超音波像を形成する目的のため、超音波像を前記生物の前記体内の内 部構造体に向けて導入し得るように配置された前記超音波装置と、 前記細長い可撓性のカテーテルの前記末端部分に設けられたトランスデューサ であって、電気信号を放射体に変換し、組織を切除する目的にて、該放射体を前 記生物の前記体内の前記内部構造体に向けて導入し得る構造とされた前記トラン スデューサを有する切除装置と、 前記細長い可撓性のカテーテルの基端部分から前記末端部分まで伸長する複数 の導電体とを備え、該複数の導電体の少なくとも二つが前記超音波装置に接続さ れ、該複数の導電体の少なくとも二つが、前記切除装置に接続され、 前記切除装置が、前記超音波装置により像が形成された前記内部構造体の少な くとも一部を切除し得るように配置されることを特徴とする音響式像形成システ ム。 37.請求の範囲第36項に記載の音響式像形成システムにして、前記超音波装 置が前記超音波信号を第一の方向に導入し得るように配置された超音波トランス デューサを備え、 前記切除装置が該超音波トランスデューサを備えることを特徴とする音響式像 形成システム。 38.請求の範囲第36項に記載の音響式像形成システムにして、前記超音波装 置が前記超音波信号を第一の方向に導入し得るように配置された超音波トランス デューサを備え、 前記切除装置が前記第一の方向と異なる第二の方向に向けて前記放射体を導入 し得る構造とされたトランスデューサを備えることを特徴とする音響式像形成シ ステム。 39.請求の範囲第36項に記載の音響式像形成システムにして、前記放射体が 音波放射体を含むことを特徴とする音響式像形成システム。 40.請求の範囲第36項に記載の音響式像形成システムにして、前記放射体が マイクロ波放射体を含むことを特徴とする音響式像形成システム。 41.カテーテル・システムにして、 生物の体内に挿入可能な構造とされた細長い可撓性のカテーテルと、 前記生物の前記体内の内部構造体の図形像を形成するための情報を提供し得る 構造及び配置とされた像形成装置と、 前記細長い可撓性のカテーテルの末端部分に少なくとも一部分が配置されたデ ータ採取装置であって、前記内部構造体内のそれぞれの複数の位置に対応する複 数項目のデータを提供し得る構造及び配置とされた前記データ採取装置と、 前記像形成装置及び前記データ採取装置と電気的に接続された中央処理装置で あって、前記像形成装置により提供された前記情報に基づいて、前記内部構造体 の前記図形像を形成し、該図形像に、前記データ採取装置により提供される複数 項目のデータを重ね合わせ得る形態及び配置とされた前記中央処理装置とを備え 、 前記複数項目のデータが、該複数項目のデータに対応する前記内部構造体内の 前記それぞれの複数の位置を表現する前記図形像上に所定位置にて重ね合わされ 、 前記中央処理装置に電気的に接続され且つ前記複数項目のデータが重ね合わさ れる前記図形像を表現し得る構造とされた図形ディスプレイ装置を備えることを 特徴とするカテーテル・システム。 42.請求の範囲第41項に記載のカテーテル・システムにして、前記像形成装 置が、前記細長い可撓性のカテーテル内に組み込まれた超音波装置を備え、 該超音波装置が、前記内部構造体の超音波像を形成する目的のため、超音波信 号を該内部構造体に向けて導入し得るように配置され、 前記図形像が前記超音波像を含むことを特徴とするカテーテル・システム。 43.請求の範囲第41項に記載のカテーテル・システムにして、前記像形成装 置が、前記生物の前記身体の外側に配置されたX線透視法像形成装置を備えるこ とを特徴とするカテーテル・システム。 44.請求の範囲第41項に記載のカテーテル・システムにして、前記像形成装 置が、経食道超音波像形成装置を備え、 前記図形像が、前記経食道超音波像形成装置により形成された超音波像を含む ことを特徴とするカテーテル・システム。 45.請求の範囲第41項に記載のカテーテル・システムにして、前記データ採 取装置が、前記細長い可撓性のカテーテルの前記末端部分に取り付けられた電気 生理学的電極を備え、 該電気生理学的電極が、該電極が前記内部構造体と電気的に接触するように配 置されたとき、前記内部構造体内の電位を検出し得る構造とされることを特徴と するカテーテル・システム。 46.請求の範囲第41項に記載のカテーテル・システムにして、前記データ採 取装置により採取された前記項目のデータが、前記細長い可撓性のカテーテルの 前記末端部分が配置される前記内部構造体内の位置の識別を含むことを特徴とす るカテーテル・システム。 47.請求の範囲第41項に記載のカテーテル・システムにして、前記項目のデ ータが前記図形像に重ね合わせる像の部分であることを特徴とするカテーテル・ システム。 48.請求の範囲第41項に記載のカテーテル・システムにして、前記図形像が 前記内部構造体の二次元的な断面像を含むことを特徴とするカテーテル・システ ム。 49.請求の範囲第41項に記載のカテーテル・システムにして、前記図形像が 前記内部構造体の偽りの立体像を含むことを特徴とするカテーテル・システム。 50.請求の範囲第41項に記載のカテーテル・システムにして、前記図形像が 前記内部構造体の真の立体像を含むことを特徴とするカテーテル・システム。 51.請求の範囲第41項に記載のカテーテル・システムにして、前記図形像が 前記内部構造体のワイヤー・フレーム像を含むことを特徴とするカテーテル・シ ステム。 52.請求の範囲第41項に記載のカテーテル・システムにして、前記複数項目 のデータが同時に少なくとも二か所の一方に対応し、同時に前記少なくとも二か 所の一方を表現する同時的な前記図形像に重ね合わされるを特徴とするカテーテ ル・システム。 53.請求の範囲第52項に記載のカテーテル・システムにして、前記図形的な 表現が前記内部構造体のの像を反復的に表現する段階を含むことを特徴とするカ テーテル・システム。 54.請求の範囲第53項に記載のカテーテル・システムにして、前記内部構造 体の前記反復的な表現がEKG装置から受け取った入力と同期化されることを特 徴とするカテーテル・システム。 55.請求の範囲第41項に記載のカテーテル・システムにして、前記中央処理 装置が、前記内部構造体の前記図形像上に生物の像を重ね合わせる形態とされる ことを特徴とするカテーテル・システム。 56.生物の体内で使用する音響式像形成システムにして、 前記生物の前記体内に挿入し得る構造とされた細長い可撓性のカテーテルと、 前記細長い可撓性のカテーテル内に組み込まれた超音波装置と、 前記細長い可撓性のカテーテル内に組み込まれた少なくとも一つの音透過性の 導電性構造体とを備え、 前記超音波装置が、前記内部構造体の超音波像を形成する目的のため前記音透 過性の導電性構造体を通じて前記生物の前記体内の内部構造体に向けて超音波信 号を導入し得る配置とされることを特徴とする音響式像形成システム。 57.請求の範囲第56項に記載の音響式像形成システムにして、前記音透過性 の導電性構造体が電極を備えることを特徴とする音響式形成システム。 58.請求の範囲第57項に記載の音響式像形成システムにして、前記電極が、 該電極が前記内部構造体と電気的に接触するよう配置されたとき、前記内部構造 体内の電位を検出し得る構造とされた電気生理学的電極を備えることを特徴とす る音響式形成システム。 59.請求の範囲第57項に記載の音響式像形成システムにして、前記電極が、 該電極が前記内部構造体と電気的に接触するよう配置されたとき、組織を切除し 得る構造とされた切除用電極を備えることを特徴とする音響式形成システム。 60.請求の範囲第56項に記載の音響式像形成システムにして、前記音透過性 の導電性構造体が、前記カテーテルの末端部分に設けられた装置に電流を提供し 得るように前記細長い可撓性のカテーテルを貫通して長手方向に伸長するトレー スを備えることを特徴とする音響式像形成システム。 61.請求の範囲第56項に記載の音響式像形成システムにして、前記音透過性 の導電性構造体が、前記細長い可撓性のカテーテル用の遮蔽被覆を備えることを 特徴とする音響式像形成システム。 62.音響式像形成装置を製造する方法にして、 音透過性の管状部材を提供する段階と、 該音透過性の管状部材に音透過性の導電性構造体を印刷する段階と、 前記音透過性の導電性構造体を保護し得るように前記音透過性管状構造体に音 透過性被覆を被覆する段階と、 前記音透過性管状構造体内に超音波装置を提供する段階と、 前記内部構造体の超音波像を形成する目的にて、前記音透過性管状部材、前記 音透過性の導電性構造体、前記音不透過性被覆を通じて前記生物の前記体内の内 部構造体に向けて超音波信号を導入し得るように前記超音波装置を配置する段階 とを備えることを特徴とする方法。 63.請求の範囲第62項に記載の方法にして、前記音透過性の導電性構造体を 前記音透過性の管状構造体に印刷する前記段階が、真空蒸着により音透過性材料 を前記音透過性の管状部材に蒸着する段階を含むことを特徴とする方法。 64.請求の範囲第62項に記載の方法にして、前記音不透過性の導電性構造体 を前記音透過性の管状構造体に印刷する前記段階が、 第一の材料が板から前記音透過性の管状部材まで搬送されて、前記音透過性管 状部材の上にパターンを形成し得るように前記板を前記音透過性部材上で転動さ せる段階と、 第二の音不透過性材料が前記音透過性の管状部材上に蒸着する段階と、 前記第一の材料を前記音透過性の管状部材から洗浄し、前記第二の音透過性材 料が前記第一の材料に覆われた領域内で前記音透過性の管状部材から除去される ようにする段階とを含み、 前記音透過性の導電性構造体が、前記音透過性の管状部材に残る前記第二の音 透過性部分を備えることを特徴とする方法。 65.請求の範囲第62項に記載の方法にして、前記音透過性の導電性構造体を 前記音透過性の管状構造体に印刷する前記段階が、 前記音透過性管状部材の上に荷電したパターンを形成し得るように前記音透過 性管状部材に電荷を印加する段階と、 該荷電された音透過性材料が、前記音透過性の管状部材の上の前記荷電したパ ターンにて蒸着されるような方法にて、前記音透過性の管状部材上に荷電した音 透過性材料を蒸着し、前記音透過性の導電性構造体を形成する段階とを含むこと を特徴とする方法。 66.請求の範囲第62項に記載の方法にして、前記音透過性の導電性構造体を 前記音透過性の管状構造体に印刷する前記段階が、前記音不透過性の管状部材上 に音透過性材料を噴霧する段階を含むことを特徴とする方法。 67.請求の範囲第62項に記載の方法にして、前記音透過性の導電性構造体を 前記音透過性の管状構造体に印刷する前記段階が、前記音透過性の導電性構造体 を平坦なシートの上に印刷し、次に、該平坦なシートを転動させて前記音透過性 の管状部材を形成する段階を含むことを特徴とする方法。 68.請求の範囲第62項に記載の方法にして、前記音透過性被覆に少なくとも 一つの穴を形成する段階と、導電性材料が前記音透過性の導電性構造体と電気的 に接触する方法にて、該導電性材料で前記少なくとも一つの穴を充填する段階と を更に備えることを特徴とする方法。 69.請求の範囲第68項に記載の方法にして、前記音透過性被覆に複数の小径 穴を形成する段階と、前記複数の小径穴の各々の内部の導電性材料が前記音透過 性の導電性構造体と電気的に接触するような方法にて前記導電性材料で前記複数 の小径穴を充填する段階とを更に備えることを特徴とする方法。 70.生物の体内で使用される切除装置にして、 前記生物の前記体内に挿入可能な構造とされた細長い可撓性のカテーテルと、 該細長い可撓性のカテーテルの末端部分に取り付けられた切除装置と、 前記細長い可撓性のカテーテルの基端部分から前記末端部分まで伸長する複数 の導電体とを備え、 前記切除装置が、通電に応答して振動する材料から成り、前記複数の導電体の 少なくとも二つが前記材料に接続されて該材料を振動させ、 前記切除装置が、前記生物の前記体内の内部構造体の少なくとも一部を切除し 得るような構造及び配置とされ、 前記切除が、前記材料の振動により少なくとも支援されるようにしたことを特 徴とする切除装置。 71.請求の範囲第70項に記載の切除装置にして、前記切除装置が針を備える ことを特徴とする切除装置。 72.請求の範囲第71項に記載の切除装置にして、前記針が前記生物の前記体 内の前記内部構造体内に流体を注入し得る構造とされることを特徴とする切除装 置。 73.請求の範囲第70項に記載の切除装置にして、前記切除装置がバルーンを 備えることを特徴とする切除装置。 74.請求の範囲第73項に記載の切除装置にして、前記バルーンが、前記生物 の前記身体の前記内部構造体に流体を供給するポートが形成された壁を備えるこ とを特徴とする切除装置。 75.請求の範囲第73項に記載の切除装置にして、前記バルーンが、前記材料 の前記振動によってのみ前記切除を行い得るような構造とされることを特徴とす る切除装置。 76.請求の範囲第73項に記載の切除装置にして、前記生物の前記身体の前記 内部構造体内に流体を注入し得る構造とされた針を更に備え、 前記バルーンの前記振動が、前記内部構造体内への流体の供給を支援すること を特徴とする切除装置。 77.請求の範囲第76項に記載の切除装置にして、前記針が前記カテーテルの 側壁から伸長することを特徴とする切除装置。 78.請求の範囲第70項に記載の切除装置にして、前記細長い可撓性のカテー テル内に組み込まれた超音波装置を更に備え、 該超音波装置が、前記内部構造体の超音波像を形成する目的にて前記生物の前 記体内に位置し、 前記切除装置が、前記超音波装置により像が形成された前記内部構造体の少な くとも一部を切除し得るように配置されることを特徴とする切除装置。 79.請求の範囲第70項に記載の切除装置にして、前記材料が音透過性である ことを特徴とする切除装置。 80.請求の範囲第79項に記載の切除装置にして、前記材料がポリフッ化ビニ リデンであることを特徴とする切除装置。 81.カテーテル・システムにして、 生物の体内に挿入し得る構造とされた細長い可撓性のカテーテルと、 前記内部構造体の超音波像を形成する目的にて前記生物の前記体内の内部構造 体に向けて超音波信号を導入し得る構造及び配置とされた音響式像形成装置であ って、前記超音波像を形成し得る構造及び配置とされた前記音響式像形成装置と 、 前記細長い可撓性のカテーテルの少なくとも末端部分に取り付けられた音響マ ーカであって、該音響マーカが通電されたときに音波を発生させ得る構造とされ た前記音響マーカと、 前記細長い可撓性のカテーテルの基端部分から前記末端部分まで伸長する複数 の導電体とを備え、該複数の導電体の少なくとも二つが前記音響マーカに接続さ れ、 前記音響マーカにより発生される前記音波が前記音響式像形成装置により前記 内部構造体に向けて導入される前記超音波信号と干渉することにより、識別可能 な人為的な結果が前記体内構造体の前記超音波像に現れるようにしたことを特徴 とするカテーテル・システム。 82.請求の範囲第81項に記載のカテーテル・システムにして、前記細長い可 撓性のカテーテル内に組み込まれた超音波装置を更に備え、該超音波装置が、前 記内部構造体の超音波像を形成する目的にて超音波像を前記生物の前記体内の前 記内部構造体に向けて導入し得るように配置されることを特徴とするカテーテル ・システム。 83.請求の範囲第81項に記載のカテーテル・システムにして、前記細長い可 撓性のカテーテルの前記末端部分に取り付けられた電極を更に備え、該電極が、 前記内部構造体と電気的に接触し得るように配置されることを特徴とするカテー テル・システム。 84.請求の範囲第81項に記載のカテーテル・システムにして、前記細長い可 撓性のカテーテルの前記末端部分に取り付けられた切除装置を更に備え、該切除 装置が、前記内部構造体の少なくとも一部を切除し得るように配置されることを 特徴とするカテーテル・システム。 85.請求の範囲第81項に記載のカテーテル・システムにして、前記音響マー カが音透過性であることを特徴とするカテーテル・システム。 86.請求の範囲第85項に記載のカテーテル・システムにして、前記音響マー カがポリフッ化ビニリデンから成ることを特徴とするカテーテル・システム。 87.請求の範囲第81項に記載のカテーテル・システムにして、前記細長い可 撓性のカテーテルが、その全長に沿ってポリフッ化ビニリデンから成ることを特 徴とするカテーテル・システム。 88.請求の範囲第81項に記載のカテーテル・システムにして、前記音響マー カの一つの部分が第一の周波数の音波を発生し得る構造とされ、前記音響マーカ が別の部分が前記第一の周波数と異なる第二の周波数の音波を発生し得る構造と されることを特徴とするカテーテル・システム。 89.請求の範囲第81項に記載のカテーテル・システムにして、生物の体内に 挿入し得る構造とされた細長い可撓性の複数のカテーテルと、 前記細長い可撓性のカテーテルのそれぞれの一つの少なくとも末端部分に取り 付けられた複数の音響マーカであって、その各々が、該第二の音響マーカが通電 されたときに音波を発生し得る構造とされた前記複数の音響マーカとを備え、 前記音響マーカの少なくとも一つが、第一の周波数の音波を発生させ得る構造 とされ、前記音響マーカの少なくとも別のマーカが前記第一の周波数と異なる第 二の周波数の音波を発生させ得る構造とされることを特徴とするカテーテル・シ ステム。 90.請求の範囲第81項に記載のカテーテル・システムにして、前記音響式像 形成システムが経食道超音波像形成装置を備えることを特徴とするカテーテル・ システム。 91.請求の範囲第81項に記載のカテーテル・システムにして、前記識別可能 な人為的な結果が前記音響マーカの色の表現を含み、該色が、前記音響マーカに より発生される前記音波の周波数の関数であることを特徴とするカテーテル・シ ステム。 92.心臓組織を切除する方法にして、 超音波装置と、その末端部分に組み込まれた切除装置とを有する細長い可撓性 のカテーテルを提供する段階と、 該細長い可撓性のカテーテルを生物の体内に挿入する段階と、 前記細長い可撓性のカテーテルの前記末端部分を心臓内に導入する段階と、 前記心臓内の内部構造体の付近の位置に前記超音波装置を配置する段階と、 前記超音波装置からの超音波信号を前記内部構造体に向けて導入し、前記内部 構造体の超音波像を形成する段階と、 前記細長い可撓性のカテーテルの前記末端部分に取り付けられた前記切除装置 を使用して、前記内部構造体を切除する段階を備えることを特徴とする方法。 93.生物の体内の心臓組織を切除する方法にして、 次のものを備えるカテーテルを提供する段階と、 血管内に挿入し得る構造とされたカテーテル・シャフト; 該カテーテル・シャフトの末端に取り付けられた膨張可能なバルーン;前記 カテーテル・シャフト及びバルーンが、該バルーンが収縮している間に前記カテ ーテル・シャフトが前記末端部分を心臓の前房又は心室内に挿入可能である一方 、前記前房又は心室内で前記バルーンに流体を充填することを許容する寸法及び 構造とされ; 前記カテーテル・シャフトの前記末端部分に取り付けられ且つ前記バルーン を加熱可能に膨張させる間に、組織を前記バルーンと接触させ得る構造とされた 加熱装置; 前記カテーテルを前記体内に挿入する段階と、 前記カテーテルの前記末端部分を前記前房又は心室内部で且つ該前房又は心室 壁に隣接する位置に配置する段階と、 前記前房又は心室内で前記バルーンを膨張させ、該バルーンが膨張している間 に、該バルーンを前記前房又は心室の前記壁と直接、接触するように係合させる 段階と、 前記バルーンが膨張されている間に、前記加熱装置を使用して組織を加熱して 、前記バルーンに接触させる段階とを備えることを特徴とする方法。 94.請求の範囲第93項に記載の方法にして、前記組織を加熱する前記段階が 、前記バルーン内の流体を加熱する段階を含み、前記組織が前記バルーンの壁を 通じて熱伝導により加熱されることを特徴とする方法。 95.請求の範囲第93項に記載の方法にして、前記カテーテルが、該カテーテ ル・シャフトの前記末端に取り付けられた温度フィードバック装置を更に備え、 該温度フィードバック装置を使用して温度を監視する段階を更に備えることを 特徴とする方法。 96.請求の範囲第93項に記載の方法にして、前記カテーテルが、前記カテー テル・シャフトの末端部分に設けられた電極を更に備え、該電極を使用して、前 記心臓内の電位を監視する段階を更に備えることを特徴とする方法。 97.請求の範囲第96項に記載の方法にして、前記電極が、前記カテーテル・ シャフトに直接、取り付けられることを特徴とする方法。 98.請求の範囲第96項に記載の方法にして、前記電極が、前記カテーテル・ シャフトに取り付けられた前記バルーンに被覆されることを特徴とする方法。 99.請求の範囲第93項に記載の方法にして、前記カテーテルが前記カテーテ ル・シャフトの前記末端部分に配置された電極を更に備え、 該電極を使用して前記心臓内の組織を切除する段階を更に備えることを特徴と する方法。 100.請求の範囲第93項に記載の方法にして、前記カテーテルが、該カテー テル・シャフトの前記末端部分に設けられた超音波装置を更に備え、 該超音波装置を使用して前記心臓の像を形成する段階を更に備えることを特徴 とする方法。 101.請求の範囲第93項に記載の方法にして、前記バルーンを前記組織と直 接、接触するように係合させる前記段階が、前記バルーンの側壁を半径方向に向 けて前記組織と係合させる段階を含むことを特徴とする方法。 102.請求の範囲第93項に記載の方法にして、前記バルーンを前記組織と直 接、接触するように係合させる前記段階が、前記バルーンの末端壁を軸方向に向 けて前記組織と係合させる段階を含むことを特徴とする方法。 103.請求の範囲第93項に記載の方法にして、前記カテーテルが、前記カテ ーテル・シャフトの前記末端部分に取り付けられた定着装置を更に備え、 前記カテーテル・シャフトの前記末端部分を前記前房又は心室内に配置する前 記段階が、前記カテーテル・シャフトの前記末端部分を前記定着装置を使用して 一定位置に定着する段階を含むことを特徴とする方法。 104.カテーテル装置にして、 生物の体内に挿入可能な構造とされたカテーテル・シャフトと、 該カテーテル・シャフトの末端部分に取り付けられた膨張可能なバルーンとを 備え、前記カテーテル・シャフト及び前記バルーンが、該バルーンが収縮してい る間に、前記カテーテル・シャフトの前記末端部分を前記体内に挿入し且つ前記 バルーンに前記体内で流体を充填し得るような寸法及び構造とされ、 前記カテーテル・シャフトの前記末端部分に取り付けられた加熱装置であって 、前記バルーンが加熱されるように膨張される間に、組織を前記バルーンに接触 させ得る構造とされた前記加熱装置と、 前記カテーテル・シャフトの前記末端部分に配置された電極と、 前記電極に接続された制御回路であって、前記電極が前記組織に接触したとき 、前記電極が組織を切除するのに十分な無線周波数電流を前記電極に付与し得る 配置とされた前記制御回路とを備えることを特徴とするカテーテル装置。 105.請求の範囲第104項に記載のカテーテル装置にして、前記カテーテル が血管内に導入可能な構造とされ、 前記カテーテル・シャフトの前記末端部分が心室内に入り得るような構造とさ れ、前記膨張可能なバルーンが、前記心室の壁に係合し得る構造とされることを 特徴とするカテーテル装置。 106.請求の範囲第104項に記載のカテーテル装置にして、前記加熱装置が 前記バルーン内の流体を加熱し得る構造とされることを特徴とするカテーテル装 置。 107.請求の範囲第104項に記載のカテーテル装置にして、前記カテーテル ・シャフトの前記末端部分に取り付けられた温度フィードバック装置を更に備え ることを特徴とするカテーテル装置。 108.請求の範囲第104項に記載のカテーテル装置にして、前記制御回路が 、前記電極が電気生理学的マッピング・モードにて使用されるとき、前記電極か らの電位を受け入れ得る形態とされることを特徴とするカテーテル装置。 109.請求の範囲第104項に記載のカテーテル装置にして、前記カテーテル ・シャフトの前記末端部分内に配置された超音波装置を更に備え、該超音波装置 が、超音波信号を前記体内の内部構造体に向けて導入し、該内部構造体の超音波 像を 形成し得る配置とされることを特徴とするカテーテル装置。 110.請求の範囲第104項に記載のカテーテル装置にして、前記バルーンが 前記カテーテル・シャフトの周りで環状に配置され且つ前記バルーンが膨張した とき、前記カテーテル・シャフトの末端先端から離間されるようにしたことを特 徴とするカテーテル装置。 111.請求の範囲第104項に記載のカテーテル装置にして、前記バルーンが 前記カテーテル・シャフトの周りで環状に配置され、前記バルーンが膨張したと き、少なくとも前記カテーテル・シャフトの末端先端まで伸長して、前記バルー ンが軸方向に向けて組織に係合し得るようにしたことを特徴とするカテーテル装 置。 112.請求の範囲第104項に記載のカテーテル装置にして、前記カテーテル ・シャフトの末端部分に取り付けられた定着装置であって、前記カテーテル・シ ャフトの前記末端部分を前記体内の一定の位置に定着し得る構造とされた前記定 着装置を更に備えることを特徴とするカテーテル装置。 113.請求の範囲第112項に記載のカテーテル装置にして、前記定着装置が 、前記バルーンを超えて末端方向へ伸長する前記カテーテル・シャフトの末端伸 長部を備えることを特徴とするカテーテル装置。 114.請求の範囲第112項に記載のカテーテル装置にして、前記カテーテル ・シャフトが、末端ポートと、前記カテーテル・シャフトを貫通して長手方向に 伸長し、基端の吸入源を前記末端ポートに結合する内腔とを備え、 前記定着装置が、前記末端ポートを囲繞する組織係合装置であって、前記ポー トが前記組織に隣接する位置に配置され、前記内腔に前記吸入力が付与されたと きに、組織を前記吸入源に係合させ得る構造とされた前記組織係合装置を備える ことを特徴とするカテーテル装置。 115.カテーテル装置にして、 生物の体内に挿入し得る構造とされたカテーテル・シャフトと、 該カテーテル・シャフトの末端部分に取り付けられた膨張可能なバルーンとを 備え、 前記カテーテル・シャフト及び前記バルーンが、前記バルーンが収縮している 間に、前記カテーテル・シャフトの前記末端部分を前記体内に挿入し且つ前記バ ルーンに前記体内で流体を充填し得るような寸法及び構造とされ、 前記バルーンが、前記カテーテルの末端先端の周りで環状に配置され且つ膨張 したときに、軸方向に向けて組織に押し付けられるような構造とされ、 前記カテーテル・シャフトの前記末端部分に取り付けられた加熱装置であって 、前記バルーンが加熱され得るように膨張されている間に、組織を前記バルーン と接触させ得るような構造とされた前記加熱装置と、 前記カテーテルの前記末端先端に設けられた電極であって、前記バルーンが軸 方向に向けて前記組織に押し付けられる間に、前記組織と直接、接触し得るよう に配置された前記電極とを備えることを特徴とするカテーテル装置。 116.請求の範囲第115項に記載のカテーテル装置にして、前記カテーテル の血管内に挿入可能な構造とされ、 前記カテーテル・シャフトの前記末端部分が心室に入り得るような構造とされ 、 前記膨張可能なバルーンが、前記心室壁に係合し得るような構造とされること を特徴とするカテーテル装置。 117.請求の範囲第115項に記載のカテーテル装置にして、前記加熱装置が 、前記バルーン内の流体を加熱し得る構造とされることを特徴とするカテーテル 装置。 118.請求の範囲第115項に記載のカテーテル装置にして、前記カテーテル ・シャフトの前記末端部分に取り付けられた温度フィードバック装置を更に備え ることを特徴とするカテーテル装置。 119.請求の範囲第115項に記載のカテーテル装置にして、前記電極が電気 生理学的検出用電極であることを特徴とするカテーテル装置。 120.請求の範囲第115項に記載のカテーテル装置にして、前記電極が切除 用電極であることを特徴とするカテーテル装置。 121.請求の範囲第115項に記載のカテーテル装置にして、前記カテーテル ・シャフトの前記末端部分内に配置された超音波装置を更に備え、 該超音波装置が、前記体内の内部構造体に向けて超音波信号を導入し、前記内 部構造体の超音波像を形成し得るように配置されることを特徴とするカテーテル 装置。 122.請求の範囲第115項に記載のカテーテル装置にして、前記カテーテル ・シャフトの末端部分に取り付けられた定着装置であって、前記カテーテル・シ ャフトの前記末端部分を前記体内の一定位置に定着し得るような構造とされた前 記定着装置を更に備えることを特徴とするカテーテル装置。 123.請求の範囲第122項に記載のカテーテル装置にして、前記定着装置が 、前記バルーンを超えて末端方向に伸長する前記カテーテル・シャフトの末端方 向伸長部を備えることを特徴とするカテーテル装置。 124.請求の範囲第122項に記載のカテーテル装置にして、前記カテーテル ・シャフトが、末端ポートと、該カテーテル・シャフトを貫通して長手方向に伸 長し、基端方向の吸入源を前記末端ポートに結合する内腔とを備え、 前記定着装置が、前記バルーンであり、該バルーンが、前記末端ポートを囲繞 し且つ該ポートが前記組織に隣接する位置に配置され且つ前記内腔に吸入力を付 与したとき、組織を吸入源に係合させ得る構造とされることを特徴とするカテー テル装置。 125.請求の範囲第115項に記載のカテーテル装置にして、前記電極が前記 カテーテル・シャフトに直接、取り付けられることを特徴とするカテーテル装置 。 126.請求の範囲第115項に記載のカテーテル装置にして、前記電極が前記 バルーンの末端に被覆されることを特徴とするカテーテル装置。 127.カテーテル装置にして、 生物の体内に挿入し得る構造とされたカテーテル・シャフトであって、末端ポ ートと、前記カテーテルを貫通して長手方向に伸長して、基端方向の吸入源を前 記末端ポートに結合する内腔とを備える前記カテーテル・シャフトと、 該カテーテル・シャフトの末端部分に設けられた電極と、 前記末端ポートを囲繞する組織係合装置であって、前記ポートが前記組織に隣 接する位置に配置され且つ前記内腔に吸入力が付与されたとき、組織を前記吸入 源に係合させ得る構造とされた前記組織係合装置とを備え、該組織係合装置が、 前記電極が体内の内部構造体と接触するように配置されている間に、前記カテー テル・シャフトの前記末端部分が前記組織に関して一定位置に保持され得るよう な構造とされることを特徴とするカテーテル装置。 128.請求の範囲第127項に記載のカテーテル装置にして、前記電極が前記 組織係合装置に直接、取り付けられることを特徴とするカテーテル装置。 129.請求の範囲第127項に記載のカテーテル装置にして、前記電極が前記 組織係合装置に隣接する位置にて前記カテーテル・シャフトに取り付けられるこ とを特徴とするカテーテル装置。 130.請求の範囲第127項に記載のカテーテル装置にして、前記カテーテル が血管内に導入し得る構造とされ、 前記カテーテル・シャフトの前記末端部分が心室に入り得る構造とされ、 前記組織係合装置が前記心室壁に係合し得る構造とされることを特徴とするカ テーテル装置。 131.請求の範囲第127項に記載のカテーテル装置にして、前記組織係合装 置がカップの形状に成形された可撓性材料から成ることを特徴とするカテーテル 装置。 132.請求の範囲第127項に記載のカテーテル装置にして、前記組織係合装 置が、前記カテーテル・シャフトの前記末端部分の周りで環状に配置された膨張 可能なバルーンを備えることを特徴とするカテーテル装置。 133.請求の範囲第132項に記載のカテーテル装置にして、前記カテーテル ・シャフトの前記末端部分に取り付けられた加熱装置であって、前記バルーン内 の流体を加熱し得る構造とされた前記加熱装置を更に備えることを特徴とするカ テーテル装置。 134.請求の範囲第127項に記載のカテーテル装置にして、前記組織係合装 置が、半径方向に伸長する開放位置と、収縮した閉鎖位置とを有するような構造 とされることを特徴とするカテーテル装置。 135.請求の範囲第134項に記載のカテーテル装置にして、前記カテーテル ・シャフトが、前記組織係合装置が前記閉鎖位置にあるとき、前記組織係合装置 を保持し得る構造とされたキャビティを備えることを特徴とするカテーテル装置 。 136.請求の範囲第134項に記載のカテーテル装置にして、前記カテーテル ・シャフトが、該カテーテル・シャフトを貫通して長手方向に伸長するプル・ワ イ ヤー内腔を有し、 該カテーテル・シャフトが、該カテーテル・シャフトの基端に配置された引込 み型ハンドルと、前記引込み型ハンドル及び前記組織係合装置を結合させ得るよ うに前記プル・ワイヤー内腔を貫通して伸長するプル・ワイヤーとを備え、 該引込み型ハンドルが、前記組織係合装置を前記閉鎖位置に退却させ、前記組 織係合装置を前記開放位置に前進させ得る構造とされることを特徴とするカテー テル装置。 137.請求の範囲第127項に記載のカテーテル装置にして、前記電極が電気 生理学的検出用電極であることを特徴とするカテーテル装置。 138.請求の範囲第127項に記載のカテーテル装置にして、前記電極が切除 用電極であることを特徴とするカテーテル装置。 139.カテーテル装置にして、 細長い可撓性のカテーテル・シャフトと、 該カテーテル・シャフトに設けられ且つ心臓にアクセス可能な構造とされた膨 張可能な切除電極とを備え、 前記電極が小さい外径から大きい外径に膨張可能な径であり、 前記電極が、前記小さい外径のとき、十分に小さく且つ可撓性であり、蛇行し た経路を通じて心臓内に挿入可能である一方、前記大きい外径のとき、該電極の 広い導電性表面を適当な接触圧力にて心臓電極に押し付けるのを許容する程によ り剛性であり、 前記電極が、無線周波数エネルギを受け入れ且つ該エネルギに応答して、熱傷 を形成し得る構造及び配置とされることを特徴とするカテーテル装置。 140.請求の範囲第139項に記載のカテーテル装置にして、前記電極が略熱 伝導性であることを特徴とするカテーテル装置。 141.請求の範囲第139項に記載のカテーテル装置にして、前記電極が単極 作動可能である構造とされることを特徴とするカテーテル装置。 142.請求の範囲第139項に記載のカテーテル装置にして、前記電極がRF 電流を組織に双極導入可能な構造とされることを特徴とするカテーテル装置。 143.請求の範囲第139項に記載のカテーテル装置にして、前記膨張可能な 電極がバルーンを備えることを特徴とするカテーテル装置。 144.請求の範囲第143項に記載のカテーテル装置にして、前記バルーンの 外側が導電性で且つ熱伝導性材料の被覆材で被覆されることを特徴とするカテー テル装置。 145.請求の範囲第144項に記載のカテーテル装置にして、前記バルーンが 前記導電性材料で均一に被覆されることを特徴とするカテーテル装置。 146.請求の範囲第144項に記載のカテーテル装置にして、前記導電性材料 が金を含むことを特徴とするカテーテル装置。 147.請求の範囲第144項に記載のカテーテル装置にして、前記被覆が真空 蒸着により前記バルーンの表面に蒸着された材料を含むことを特徴とするカテー テル装置。 148.請求の範囲第144項に記載のカテーテル装置にして、前記被覆が電気 めっきにより前記バルーンの表面に蒸着された材料を含むことを特徴とするカテ ーテル装置。 149.請求の範囲第143項に記載のカテーテル装置にして、前記バルーンが バルーン血管形成拡張法に一般に使用される型式であることを特徴とするカテー テル装置。 150.請求の範囲第143項に記載のカテーテル装置にして、前記バルーンが 堅牢で伸びの少ない樹脂材料で出来ていることを特徴とするカテーテル装置。 151.請求の範囲第150項に記載のカテーテル装置にして、前記材料がポリ エチレン・テレフタレートであることを特徴とするカテーテル装置。 152.請求の範囲第143項に記載のカテーテル装置にして、前記バルーンが 、該バルーンが非膨張状態にあるとき、前記カテーテル・シャフトの周りで折り 畳み可能な構造とされることを特徴とするカテーテル装置。 153.請求の範囲第143項に記載のカテーテル装置にして、前記バルーンが 、高圧に膨張されたとき、略剛性となるような構造とされることを特徴とするカ テーテル装置。 154.請求の範囲第143項に記載のカテーテル装置にして、導電性材料の前 記被覆に取り付けられ且つ前記カテーテル・シャフトを通じて前記カテーテル・ シャフトの基端の端末まで伸長する電源の導電体を更に備えることを特徴とする カテーテル装置。 155.請求の範囲第143項に記載のカテーテル装置にして、前記バルーンが 柔軟な材料から成り且つユーザが該バルーンを膨張させるべく前記バルーン内に 導入された膨張流体の容積を選択することにより前記バルーンの膨張したときの 径を選択し得るような構造とされることを特徴とするカテーテル装置。 156.請求の範囲第155項に記載のカテーテル装置にして、前記柔軟な材料 がエラストマーであることを特徴とするカテーテル装置。 157.請求の範囲第143項に記載のカテーテル装置にして、前記カテーテル ・シャフトに取り付けられ且つ前記バルーンに導入される流体の量を精密に制御 し得る構造とされた高精度のスクリュー注射器を更に備えることを特徴とするカ テーテル装置。 158.請求の範囲第144項に記載のカテーテル装置にして、前記被覆が前記 バルーンの延伸を許容し得るように選択されたパターンにて形成されることを特 徴とするカテーテル装置。 159.請求の範囲第158項に記載のカテーテル装置にして、前記パターンが 前記バルーンの狭小な導電性のエラストマー・ストライプの蛇行したパターンで あり、該エラストマー・ストライプが、前記バルーンが膨張するとき、連続性を 保って接着し、前記バルーンの幾何学的形状の変化に対応し得るようにしたこと を特徴とするカテーテル装置。 160.請求の範囲第158項に記載のカテーテル装置にして、前記パターンが 前記バルーンの外面に付与された一連の金属導電性のドットであることを特徴と するカテーテル装置。 161.請求の範囲第158項に記載のカテーテル装置にして、前記バルーンが 前記ドットと前記バルーンの膨張流体として採用される導電性流体との静電容量 結合を可能にさせ得る構造とされることを特徴とするカテーテル装置。 162.請求の範囲第161項に記載のカテーテル装置にして、前記カテーテル ・シャフトに取り付けられ且つ前記バルーン内に伸長する電極を更に備え、該電 極が、前記バルーンが膨張したとき、前記バルーン内の流体に電流を付与し得る 形 態とされることを特徴とするカテーテル装置。 163.請求の範囲第144項に記載のカテーテル装置にして、前記導電性材料 から成る前記被覆が、バルーンの外面に付与された前記導電性材料の二つの環状 帯から成り、該帯が該帯の間で組織を通じてRF電流を双極透過させ得る形態と されることを特徴とするカテーテル装置。 164.請求の範囲第139項に記載のカテーテル装置にして、前記電極が一組 の膨張可能な部材を備え、 力により前記膨張可能な部材を拘束する拘束装置を更に備えることを特徴とす るカテーテル装置。 165.請求の範囲第164項に記載のカテーテル装置にして、前記拘束装置が ばね力により前記膨張可能な部材を拘束することを特徴とするカテーテル装置。 166.請求の範囲第164項に記載のカテーテル装置にして、前記膨張可能な 部材が、前記カテーテル・シャフトに沿って略軸方向に配置されたばねワイヤー で形成されたケージとして形成されることを特徴とするカテーテル装置。 167.請求の範囲第166項に記載のカテーテル装置にして、前記ばねワイヤ ーが、該ワイヤーがシースを除去することにより解放されたときに膨張して略球 状の静止径となり得るような構造とされることを特徴とするカテーテル装置。 168.請求の範囲第167項に記載のカテーテル装置にして、前記シースが、 該シースを基端方向に摺動させることにより前記ワイヤーから除去し得る形態と されることを特徴とするカテーテル装置。 169.請求の範囲第166項に記載のカテーテル装置にして、前記ワイヤー引 き出し得る形態とされた緊張ワイヤーを更に備え、該ワイヤーが、該ワイヤーを 前記シャフトに近接する位置に保ち得るように内方にバスケット状の構造にて形 成され、該緊張ワイヤーの張力を解放したとき、該ワイヤーが半径方向に膨張し て静止状態となり得るようにしたことを特徴とするカテーテル装置。 170.請求の範囲第166項に記載のカテーテル装置にして、前記カテーテル ・シャフトの外壁内に配置された中央部材を更に備え、該中央部材が、前記ケー ジの末端先端を動かして、前記ケージの径を縮小させ得る形態とされることを特 徴とするカテーテル装置。 171.請求の範囲第164項に記載のカテーテル装置にして、前記膨張可能な 部材がら旋状ケージの形態にて形成されることを特徴とするカテーテル装置。 172.請求の範囲第164項に記載のカテーテル装置にして、前記膨張可能な 部材が、編組組織の形態にて形成されることを特徴とするカテーテル装置。 173.請求の範囲第143項に記載のカテーテル装置にして、前記カテーテル ・シャフトに設けられた追加的な電極を更に備えることを特徴とするカテーテル 装置。 174.請求の範囲第173項に記載のカテーテル装置にして、前記追加的な電 極が、電気生理学的マッピングを行い得る構造とされることを特徴とするカテー テル装置。 175.請求の範囲第139項に記載のカテーテル装置にして、前記カテーテル ・シャフト内に組み込まれた超音波像形成装置を更に備えることを特徴とするカ テーテル装置。 176.請求の範囲第139項に記載のカテーテル装置にして、前記カテーテル ・シャフト内に形成された、流体を分配する内腔を更に備えることを特徴とする カテーテル装置。
Applications Claiming Priority (7)
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| US8652393A | 1993-07-01 | 1993-07-01 | |
| US8654393A | 1993-07-01 | 1993-07-01 | |
| US08/086,740 | 1993-07-01 | ||
| US08/086,523 | 1993-07-01 | ||
| US08/086,543 | 1993-07-01 | ||
| PCT/US1994/007535 WO1995001751A1 (en) | 1993-07-01 | 1994-07-01 | Imaging, electrical potential sensing, and ablation catheters |
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| JPH09503677A true JPH09503677A (ja) | 1997-04-15 |
| JP3898754B2 JP3898754B2 (ja) | 2007-03-28 |
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|---|---|---|---|
| JP50411795A Expired - Lifetime JP3898754B2 (ja) | 1993-07-01 | 1994-07-01 | 像形成、電位検出型及び切除カテーテル |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6004269A (ja) |
| EP (1) | EP0706345B1 (ja) |
| JP (1) | JP3898754B2 (ja) |
| CA (1) | CA2165829A1 (ja) |
| DE (1) | DE69432148T2 (ja) |
| ES (1) | ES2189805T3 (ja) |
| WO (1) | WO1995001751A1 (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE69432148T2 (de) | 2003-10-16 |
| ES2189805T3 (es) | 2003-07-16 |
| CA2165829A1 (en) | 1995-01-19 |
| EP0706345A1 (en) | 1996-04-17 |
| JP3898754B2 (ja) | 2007-03-28 |
| US6004269A (en) | 1999-12-21 |
| WO1995001751A1 (en) | 1995-01-19 |
| EP0706345B1 (en) | 2003-02-19 |
| EP0706345A4 (en) | 1998-10-07 |
| DE69432148D1 (de) | 2003-03-27 |
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