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:
Jul. 20, 2021
Filed:
Dec. 06, 2016
Shinshu University, Matsumoto, JP;
Mikuro Spring Co., Ltd., Suwa, JP;
Junichi Koyama, Matsumoto, JP;
Takuya Kojima, Suwa, JP;
Makoto Natori, Suwa, JP;
Yusuke Sato, Suwa, JP;
SHINSHU UNIVERSITY, Matsumoto, JP;
Mikuro Spring Co., Ltd., Suwa, JP;
Abstract
An embolic coil is formed by being spirally wound by an element wire and is filled into an aneurysm. The embolic coil includes: a first coil portion, in which a large-diameter coil portion wound to have a large diameter D1 and a small-diameter coil portion wound to have a diameter D2 smaller than the large-diameter coil portion are arranged in a plurality of coils and alternately in a longitudinal direction Y of the embolic coil. A second coil portion is wound to be continuous with the first coil portion and to have a surface flatter than the first coil portion.