Title:
IMPROVED LEAFLET OF CARDIAC VALVE, AND CARDIAC VALVE PREFORM, CARDIAC VALVE, AND PROCESSING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/068788
Kind Code:
A1
Abstract:
Disclosed are an improved leaflet of a cardiac valve, and a cardiac valve preform, a cardiac valve, and a processing method therefor. The improved leaflet of a cardiac valve comprises a leaflet body (1), wherein the leaflet body (1), in a height direction, is provided with a movable edge (12) on the top side and a fixed edge (11) on the bottom side, and the movable edge (12) and the fixed edge (11) extend in the width direction of the leaflet body (1) and are connected to connecting lugs (10) on respective sides. Each of the connecting lugs (10) comprises a lifting part (2), the lifting part (2) extending in the height direction and crossing the movable edge (12), wherein the movable edge (12) extends and intersects with the inner side of the lifting part (2), and the fixed edge (11) extends and intersects with the outer side of the lifting part (2); and a first wing (3), wherein the first wing (3) is connected to the inner side of the lifting part (2), a first fold line (L1) is provided between the first wing (3) and the inner side of the lifting part (2). The side of the first wing (3) that faces the movable edge (12) is a bottom edge (31), and a stress release opening (32) allowing the first wing (3) to be folded along the first fold line (L1) is reserved between the bottom edge (31) and the movable edge (12).
Inventors:
QI JESSE JUN (CN)
ZENG MIN FRANK (CN)
ZI ZHENJUN (CN)
ZENG MIN FRANK (CN)
ZI ZHENJUN (CN)
Application Number:
PCT/CN2020/118540
Publication Date:
April 15, 2021
Filing Date:
September 28, 2020
Export Citation:
Assignee:
VENUS MEDTECH HANGZHOU INC (CN)
International Classes:
A61F2/24
Domestic Patent References:
| WO2012106011A1 | 2012-08-09 |
Foreign References:
| US20110172765A1 | 2011-07-14 | |||
| CN209059539U | 2019-07-05 | |||
| CN103006352A | 2013-04-03 | |||
| CN1304298A | 2001-07-18 | |||
| CN105263445A | 2016-01-20 | |||
| US20170266000A1 | 2017-09-21 |
Attorney, Agent or Firm:
SHINY INTELLECTUAL PROPERTY FIRM (CN)
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