Title:
SPIRAL OPEN SELF-EXPANDABLE STENT
Document Type and Number:
WIPO Patent Application WO/2018/157328
Kind Code:
A1
Abstract:
A spiral open self-expandable stent, comprising a body (1), transition regions (2) connected on both ends of the body (1), and tail end regions (3) connected to the transition regions (2). The body (1) comprises first sawtooth wave-shaped windings that are spirally arranged. The first sawtooth wave-shaped windings are connected by means of a first connection bridge (4). Each tail end region (3) comprises second sawtooth wave-shaped windings. The tail end region (3) and the transition region (2) are connected by means of a second connection bridge (5). The body (1), the transition regions (2), and the tail end regions (3) together enclose a tubular structure. The self-expandable stent has a collapsed diameter for placement in a blood vessel and an expansion diameter for expansion in the blood vessel. The self-expandable stent is reasonable in structure and convenient to use, and has high flexibility, high radial and axial strength, and good and durable service effect.
Inventors:
WANG CHENG (CN)
WANG YUANRU (CN)
ZHANG ZHENGLIANG (CN)
WANG YUANRU (CN)
ZHANG ZHENGLIANG (CN)
Application Number:
PCT/CN2017/075316
Publication Date:
September 07, 2018
Filing Date:
March 01, 2017
Export Citation:
Assignee:
ZHEJIANG BARTY MEDICAL TECH CO LTD (CN)
International Classes:
A61F2/88; A61F2/915
Domestic Patent References:
| WO2005027788A2 | 2005-03-31 |
Foreign References:
| CN106726039A | 2017-05-31 | |||
| CN105496614A | 2016-04-20 | |||
| CN105250059A | 2016-01-20 | |||
| CN103784222A | 2014-05-14 | |||
| CN101868195A | 2010-10-20 |
Attorney, Agent or Firm:
KG INTELLECTUAL PROPERTY LAW FIRM (CN)
Download PDF: