JP2021129981A - 位置検出デバイスを備えた手術器具 - Google Patents
位置検出デバイスを備えた手術器具 Download PDFInfo
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Abstract
Description
Claims (15)
- 内視鏡(2)の作業チャネル(7)内に挿入するための手術作業器具(3)であって、
前記内視鏡(2)に対する前記作業器具(3)の相対位置を決定するためのデバイス(27)を有し、
前記位置決定デバイス(27)は、導光体(28)を備え、
前記導光体(28)は、前記作業器具(3)に取り付けられ、前記作業器具(3)の遠位端(14)の近くで前記作業器具(3)を取り囲む光を受信するように構成され、
前記内視鏡(2)に対する前記作業器具(3)の前記相対位置は、前記導光体(28)によって受け取られた光に基づいて決定され得る、
手術作業器具(3)。 - 前記導光体(28)は、前記作業器具(3)に取り付けられた光ファイバ、特にガラスファイバまたはプラスチックに基づく光ファイバを備え、それにより、前記作業器具(3)の挿入中、前記導光体(28)を前記作業器具(3)と共に前記内視鏡(2)の前記作業チャネル(7)に挿入して内部でスライドさせることができる、
請求項1に記載の手術作業器具(3)。 - 前記導光体(28)は、前記作業器具(3)の前記遠位端(14)の近くの場所から前記作業器具(3)の近位端(16)まで延びて、前記導光体(28)によって受け取られた光を評価のために前記作業器具(3)の前記近位端(16)に送信する、
請求項1または2に記載の手術作業器具(3)。 - 前記作業器具(3)は、管(23)を備え、
前記位置決定デバイス(27)は、入光面(33、52、54)を含み、
前記入光面(33、52、54)は、前記管(23)の外側に配置され、かつ前記作業器具(3)の前記遠位端(14)を取り囲む光を側面から受け取るように構成される、
請求項1から3のいずれか一項に記載の手術作業器具(3)。 - 前記入光面は、前記管(23)から側面に案内された前記導光体(28)の面(33)によって形成され、
前記導光体(28)は、前記管(23)の内側で前記管(23)の長手方向延長部に沿って実質的に延びる、
請求項4に記載の手術作業器具(3)。 - 前記入光面は、前記導光体(28)のベベル付き面(52)によって形成され、
前記導光体(28)は、前記管(23)の外側に取り付けられ、前記管(23)の長手方向延長部に沿って延びる、
請求項4に記載の手術作業器具(3)。 - 前記入光面は、前記管(23)の外側に配置された長手方向ガラス棒(53)の外面(54)によって形成され、それにより、前記管(23)の長手方向延長部は、前記作業器具(3)の前記長手方向に向けられ、
前記作業器具(3)の前記遠位端(14)から反対側を向く前記作業器具(3)の面端(56)は、前記導光体(28)に接続される、
請求項4に記載の手術作業器具(3)。 - 前記作業器具(3)の近位端(13)に接続され、前記導光体(28)によって受け取られた光を受け取り、評価するように構成される、評価デバイス(36、36’)をさらに備える、
請求項1から7のいずれか一項に記載の手術作業器具(3)。 - 前記評価デバイス(36)は、受け取られた光を光のスペクトル成分に分割するように構成された光学分光計ユニット(37)を備える、
請求項8に記載の手術作業器具(3)。 - 前記評価デバイス(36)は、スペクトル分析ユニット(41)を備え、
前記スペクトル分析ユニット(41)は、光周波数の範囲にわたってまたは特定の離散周波数内で決定された光の強度を、記憶された参照スペクトルと比較し、前記比較に基づいて、前記導光体(28)によって受け取られた光を識別するように構成され、
前記スペクトル分析ユニット(41)は、好ましくは、治療室の周囲光、暗闇、および前記内視鏡(2)からの治療光を少なくとも区別するように構成される、
請求項9に記載の手術作業器具(3)。 - 前記評価デバイス(36)は、検出器ユニット(43)を備え、
前記検出器ユニット(43)は、前記作業チャネル(7)への前記作業器具(3)の挿入中、前記入光面(33、52、54)が治療室の環境にさらされるとき、前記環境から前記作業チャネル(7)に入るとき、または前記作業チャネル(7)から治療される体領域内に出るときを決定し、それに基づいて対応する位置決定信号を生成するように構成される、
請求項4から7のいずれか一項を引用する請求項8から10のいずれか一項に記載の手術作業器具(3)。 - 前記評価デバイス(36’)は、検出器デバイス(40、43’)を備え、
前記検出器デバイス(40、43’)は、最小強度を有する光が前記導光体(28)によって受け取られたかどうかを決定し、それに基づいて対応する位置決定信号を生成するように構成される、
請求項8に記載の手術作業器具(3)。 - 前記評価デバイス(36、36’)は、コネクタ(15)内に統合され、
前記コネクタ(15)は、作業器具(3)の近位端(16)に配置され、外部制御装置(4)との接続のために設けられる、
請求項11または12に記載の手術作業器具(3)。 - 前記評価デバイス(36、36’)は、前記作業器具(3)および/または前記内視鏡(2)の制御装置(4)に接続することができ、
前記制御装置(4)は、前記位置決定信号に基づいて、前記作業器具(3)によって供給された電気信号もしくは前記作業器具(3)内のガス流の起動の解放もしくはブロッキング、または、所望の作業位置における前記作業器具(3)および/もしくは前記内視鏡(2)の作動のパラメータ化および/もしくは制御のうちの、1つまたは複数の対策を自動的にもたらすように構成される、
請求項11から13のいずれか一項に記載の手術作業器具(3)。 - 手術作業器具(3)は、可撓性内視鏡(2)による生体組織のRF凝固のための凝固プローブ(3)であり、
前記凝固プローブ(3)は、非導電性材料、特にPTFEから作られた可撓性ホースの形態の管(23)であって、前記管(23)を通じて、不活性ガス、特にアルゴンを供給することができる、管(23)と、
前記管(23)の遠位端(14)上に配置された電極(22)であって、前記電極(22)に対して、前記ガスのイオン化のために接続導体(19)を介してRF凝固電流を供給することができる、電極(22)と、を備える、
請求項1から14のいずれか一項に記載の手術作業器具(3)。
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