Abstract: A prosthetic heart valve includes a base and a plurality of polymeric leaflets. Each leaflet has a root portion coupled to the base, and each leaflet has an edge portion substantially opposite the root portion and movable relative to the root portion to coapt with a respective edge portion of at least one of the other leaflets of the plurality of leaflets. Each leaflet includes) at least two polymers along at least one portion of the leaflet, and each leaflet has a composition gradient of each of the at least two polymers along at least one portion of the leaflet.
Type:
Grant
Filed:
July 1, 2013
Date of Patent:
June 16, 2015
Assignee:
Boston Scientific SciMed, Inc.
Inventors:
Peter Edelman, Horng-Ban Lin, Scott Fisher, Jeffrey S. Lindquist, Huisun Wang, Richard C. Gunderson
Abstract: A powered leg prosthesis includes powered knee joint comprising a knee joint and a knee motor unit for delivering power to the knee joint. The prosthesis also includes a prosthetic lower leg having a socket interface coupled to the knee joint and a powered ankle joint coupled to the lower leg opposite the knee joint comprising an ankle joint and an ankle motor unit to deliver power to the ankle joint. The prosthesis further includes a prosthetic foot coupled to the ankle joint, at least one sensor for measuring a real-time input, and at least one controller for controlling movement of the prosthesis based on the real-time input.
Type:
Grant
Filed:
August 22, 2013
Date of Patent:
March 24, 2015
Assignee:
Vanderbilt University
Inventors:
Michael Goldfarb, Huseyin Atakan Varol, Frank Charles Sup, IV, Jason Mitchell, Thomas J. Withrow