SURGICAL INSTRUMENT HAVING POSITION DETECTION DEVICE

To provide a surgical working instrument that is inserted in a working channel of an endoscope and is slidably located in the endoscope.SOLUTION: A device (27) for determination of the position of a working instrument (3) relative to an endoscope is configured to determine in an optical manner that...

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Bibliographische Detailangaben
Hauptverfasser: KLAUS FISCHER, ALEXANDER NEUGEBAUER, JAEGER JAN, BJOERN SEITZ
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a surgical working instrument that is inserted in a working channel of an endoscope and is slidably located in the endoscope.SOLUTION: A device (27) for determination of the position of a working instrument (3) relative to an endoscope is configured to determine in an optical manner that a distal end of the working instrument (3) has reached a distal end of a working channel The position determination device (27) comprises a light conductor (28) that is attached to the working instrument (3) and configured to receive light surrounding the working instrument (3) in the vicinity of the distal end (14) of the working instrument (3), where based on the light received by the light conductor (28) the position of the light conductor, and thus the working instrument (3), relative to the endoscope can be determined.SELECTED DRAWING: Figure 2 【課題】内視鏡の作業チャネルに挿入され、内視鏡の中にスライド可能に位置する手術作業器具を提供する。【解決手段】内視鏡に対する作業器具(3)の相対位置を決定するためのデバイス(27)は、作業器具(3)の遠位端が作業チャネルの遠位端に到達したことを光学的に決定するように構成される。位置決定デバイス(27)は、導光体(28)を備え、導光体は、作業器具(3)に取り付けられ、作業器具(3)の遠位端(14)の近くで作業器具(3)を取り囲む光を受け取るように構成され、導光体(28)によって受け取られた光に基づき、内視鏡に対する導光体、したがって作業器具(3)の相対位置を決定することができる。【選択図】図2