Nutter, McClennen & Fish
Prosthetic heart valve
 A prosthetic heart valve comprises a suture ring supporting a stent which surrounds a conduit bearing a plurality of flexible valve leaflets. The conduit extends beyond the end of the suture ring. 
Abiomed, Inc.
Y A
Y10S A61F
additional inventional
David M. Clair L. Param I.
Lederman Strohl, Jr. Singh