| 摘要 |
PURPOSE:To provide a front end lens washing pipe of an endoscope which is formed with respectively separate washing liquid supply and discharge pipes simply by mounting this pipe onto the bar-shaped part of the endoscope and is disposable by removing. CONSTITUTION:This front end lens C1 washing pipe A of the endoscope B is formed by arranging a plurality of build-up band-shaped parts 5 in tight contact with the outer peripheral surface of the bar-shaped part C at spaced intervals on the hollow inside wall surface of a pipe part 1 to be mounted having a bore slightly larger than the bore of the bar-shaped part C of the endoscope B over the entire length thereof. |
