Auxiliary balloon structure for transcatheter aortic valve replacement (tavr)
AssigneeFuwai Hospital of Chinese Academy of Medical Sciences
InventorsYongjian WU, Qingrong LIU
Life of this patent
Estimating the term…
Abstract
The invention discloses an auxiliary balloon structure for transcatheter aortic valve replacement (TAVR), which comprises a balloon head and a balloon body. When unexpanded, the balloon body has two conical ends and a cylindrical middle part. The conical ends are defined as a front and a rear conical part. The cylindrical middle part is provided with a mastoid structure. The front and rear conical parts are made of a semi-compliant material, while the cylindrical middle part is made of a non-compliant material.
Claims15
An auxiliary balloon structure for transcatheter aortic valve replacement (TAVR), comprising a balloon head and a balloon body, wherein:
- when unexpanded, the balloon body has two conical ends and a cylindrical middle part;
- the conical ends are defined as a front and a rear conical part;
- the cylindrical middle part is provided with a mastoid structure;
- the front and rear conical parts are made of a semi-compliant material;
- and
- the cylindrical middle part is made of a non-compliant material.
Dependencies are inferred from the claim text.