The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2020
Filed:
Aug. 21, 2015
Sumitomo Bakelite Co., Ltd., Shinagawa-ku, JP;
Takuya Hayashi, Akita, JP;
Masao Ikeda, Akita, JP;
Hiroshi Utsugi, Akita, JP;
Etsuro Yamabe, Akita, JP;
Hideaki Matsunami, Akita, JP;
SUMITOMO BAKELITE CO., LTD., Shinagawa-ku, JP;
Abstract
An endoscopic clip device including a clip, a treatment instrument body comprising a sheath, an operation wire, and a distal connection portion, a sleeve accommodated inside the sheath and accommodating the connection portion in distal portion of the wire such that portion of inner diameter of the sleeve is smaller than outer diameter of the locking portion when the connection portion is drawable from the accommodation portion. The sleeve has diameter enlargement portion on distal side of the sleeve and elastically self-openable, a diameter reduction step portion on proximal side of the enlargement portion, and a sleeve body positioned on the proximal side of the enlargement portion from the step portion and having radial rigidity higher than that of the enlargement portion, and the inner diameter of the sleeve body is smaller than the outer diameter of the locking portion when the connection portion is drawable from the accommodation portion.