| 摘要 |
An endoscope comprises a telescope (12), an electrode assembly (13) comprisi ng at least one electrode (13T), and elongate conductive means (13S) for supplying electrosurgical power to said at least one electrode from the proximal end of the conductive means. Means are provided for supporting the electrode assembly (13) on the telescope (12) for pivotal movement, in a pla ne substantially normal to the axis of the telescope, towards, and away from, a n operational position in which the conductive means (13S) is substantially parallel to the telescope. Sealing means (16, 29) seals the electrode assemb ly (13) to prevent fluid passing from an operation site adjacent to said at lea st one electrode (13T) to the proximal end of the conductive means (13S).</SDOA B>
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