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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Bibliographic Details
Main Authors MIKKAICHI TAKAYASU, SATO MASATOSHI, SUZUKI KEITA, MOTAI KOSUKE, YOKOTA TAKUO
Format Patent
LanguageEnglish
Japanese
Published 02.02.2015
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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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
Bibliography:Application Number: JP20130150937