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Dive into the research topics where Yu Qifeng is active.

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Featured researches published by Yu Qifeng.


Archive | 2014

Heart valve delivery system and delivery device

Yu Qifeng; Liu Xiang; Luo Qiyi; Le Chengyun; Wang Haishan; Huang Feng


Archive | 2015

Intervention formula artificial heart valve

Yu Qifeng; Qin Tao; Yang Jian; Wang Haishan; Liang Yuchen


Archive | 2016

D shape intervention formula artificial heart valve

Yu Qifeng; Qin Tao; Wang Haishan; Liang Yuchen


Archive | 2015

Involvement type prosthetic heart valve stent with barbs and preparation method thereof

Yu Qifeng; Wang Haishan; Qin Tao


Archive | 2004

Mitral valve forming ring

Yu Qifeng; Wei Lai; Wang Chunsheng; Wang Zhijie; Wang Haishan; Chen Jingyu; Qin Tao


Archive | 2016

Involved artificial heart valve prosthesis

Yu Qifeng; Qin Tao; Yang Jian; Wang Haishan; Liang Yuchen


Archive | 2016

D-shaped invasive prosthetic heart valve

Yu Qifeng; Qin Tao; Wang Haishan; Liang Yuchen


Archive | 2015

Take intervention formula artificial heart valve's of barb supporting structure

Yu Qifeng; Wang Haishan; Qin Tao


Archive | 2018

ARTIFICIAL MITRAL VALVE ANNULOPLASTY RING

Yu Qifeng; Hou Lihong; Wang Zhijie; Wang Haishan; Qin Tao


Archive | 2018

ROTATABLE DELIVERY DEVICE FOR ARTIFICIAL MITRAL VALVE ANNULOPLASTY RING AND ARTIFICIAL MITRAL VALVE ANNULOPLASTY RING DELIVERY SYSTEM

Yu Qifeng; Hou Lihong; Wang Zhijie; Wang Haishan; Qin Tao

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