Title:
RE-EXPANDABLE STENT COMPRISING MULTIPLE SHAPE MEMORY WIRES
Document Type and Number:
WIPO Patent Application WO/2023/128148
Kind Code:
A1
Abstract:
The present invention relates to a re-expandable stent comprising multiple shape memory wires in which a ring-shaped shape memory alloy support is connected to an intersection point between shape memory alloy wires so as to improve expanding force and support force in the direction perpendicular to the axial direction. The present invention can comprise: a cylindrical stent body including a first shape memory wire, a second shape memory wire, and a hollow portion formed by weaving the first shape memory wire and the second shape memory wire in an intersecting manner; and a third shape memory wire having one end fixed to a first intersection point from among a plurality of intersection points at which the first shape memory wire and the second shape memory wire intersect, and having the other end fixed to a second intersection point spaced apart from the first intersection point.
Inventors:
KIM CHEOL SANG (KR)
PARK CHAN HEE (KR)
KO SUNG WON (KR)
PARK CHAN HEE (KR)
KO SUNG WON (KR)
Application Number:
PCT/KR2022/014481
Publication Date:
July 06, 2023
Filing Date:
September 27, 2022
Export Citation:
Assignee:
NAT UNIV CHONBUK IND COOP FOUND (KR)
International Classes:
A61F2/90; A61F2/844; A61L31/02; A61L31/14
Foreign References:
| KR100943255B1 | 2010-02-19 | |||
| KR101668373B1 | 2016-10-21 | |||
| US20030055484A1 | 2003-03-20 | |||
| KR20120051187A | 2012-05-22 | |||
| KR100548782B1 | 2006-02-01 |
Attorney, Agent or Firm:
SON, Ki Ho (KR)
Download PDF: