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:
Mar. 04, 2025
Filed:
Oct. 20, 2020
Shanghai Microport Cardioadvent Co., Ltd., Shanghai, CN;
Yi Zhou, Shanghai, CN;
Tianyu Liu, Shanghai, CN;
Zexun Zhu, Shanghai, CN;
Yao Yao, Shanghai, CN;
Junfei Li, Shanghai, CN;
SHANGHAI MICROPORT CARDIOADVENT CO., LTD., Shanghai, CN;
Abstract
A medical instrument () includes a stent () and a constraining structure (). The constraining structure () constrains, and thereby prevents tangling of, a trailing section of the stent (), ensuring successful release of the stent (). Specifically, the stent () has a first proximal end and an opposing first distal end. The first distal end is configured with an expanded configuration and a collapsed configuration. The trailing section at the first distal end includes a number of protrusions (). The constraining structure () includes a body () and a clamping mechanism (). The clamping mechanism () is disposed at a distal end of the body (), and the body () extends from the first proximal end to the first distal end. The clamping mechanism () limits relative movement and thus prevents tangling of the protrusions () by passing through all or some of the protrusions (). Additionally, it allows the stent () to be less deformed within a delivery sheath and thereby enables it to successfully expand when pushed out of the sheath.