INCISION TOOL
PROBLEM TO BE SOLVED: To provide an incision tool that makes a support part hardly come off tissue, even when the tissue is incised by an incision part.SOLUTION: An incision tool 1 includes an incision part 10 that is formed in a cylindrical shape and that has an outside protrusion 12 provided on th...
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Main Authors | , , , , |
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Format | Patent |
Language | English Japanese |
Published |
02.02.2015
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide an incision tool that makes a support part hardly come off tissue, even when the tissue is incised by an incision part.SOLUTION: An incision tool 1 includes an incision part 10 that is formed in a cylindrical shape and that has an outside protrusion 12 provided on the side of a tip for puncturing tissue, and a support part 20 that is inserted into the incision part 10 in such a manner as to be capable of advancing thereinto/receding therefrom and that has an inside protrusion 22 provided on the side of the tip. The inside protrusion 22 is provided with a large-diameter part 23 that protrudes in the circumferential or radial direction of the incision part 10.
【課題】切開部により組織を切開したときでも組織から支持部を外れにくくした切開器具を提供する。【解決手段】切開器具1は、筒状に形成され、組織に刺入される先端側に外側凸部12を有する切開部10と、切開部10内に進退可能に挿通され、先端側に内側凸部22を有する支持部20と、を備え、内側凸部22には、切開部10の周方向または径方向に突出した大径部23が設けられている。【選択図】図1 |
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Bibliography: | Application Number: JP20130150937 |