刊名:Catheterization and Cardiovascular Interventions
出版年:2017
出版时间:January 2017
年:2017
卷:89
期:1
页码:E30-E37
全文大小:393K
ISSN:1522-726X
文摘
To evaluate a new transapical system which utilizes a novel designed positioning element and a two-step positioning mechanism for easy and accurate implantation of transcatheter valves.