Fig. 1

Prosthetic aortic valved stent. a balloon-expandable cobalt-chromium alloy stent. b self-expanding nitinol ring; c. compressed stent; d. aortic stent; e, f. ChenValve system)
Prosthetic aortic valved stent. a balloon-expandable cobalt-chromium alloy stent. b self-expanding nitinol ring; c. compressed stent; d. aortic stent; e, f. ChenValve system)