ENDOSCOPE
To provide an endoscope having improved insertion property by properly fixing the bending rigidity of an insertion part.SOLUTION: In the endoscope having a long-sized insertion part to be inserted into a human body, the insertion part has a first area in which bending rigidity increases exponentiall...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide an endoscope having improved insertion property by properly fixing the bending rigidity of an insertion part.SOLUTION: In the endoscope having a long-sized insertion part to be inserted into a human body, the insertion part has a first area in which bending rigidity increases exponentially from a tip to the other end along a longitudinal direction and a second area which is positioned on the other end side of a first variation area and in which bending rigidity increases exponentially from a tip to the other end along a longitudinal direction.SELECTED DRAWING: Figure 1
【課題】挿入部の曲げ剛性を適切に定めることにより挿入性が向上した内視鏡を提供する。【解決手段】人体内へ挿入されるための長尺の挿入部を備える内視鏡において、挿入部は、曲げ剛性が長手方向に沿って先端から他端へ向けて指数関数状に増加する第１領域と、第１変化領域よりも他端側に位置しており、曲げ剛性が長手方向に沿って先端から他端へ向けて指数関数状に増加する第２領域とを有する。【選択図】図１ |
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