US 12,290,456 B2
Prosthetic cardiac valve devices, systems, and methods
Claudio Argento, Felton, CA (US); Andrew Backus, Santa Cruz, CA (US); and Alice Yang, Campbell, CA (US)
Assigned to Shifamed Holdings, LLC, Campbell, CA (US)
Filed by Shifamed Holdings, LLC, Campbell, CA (US)
Filed on Aug. 21, 2019, as Appl. No. 16/546,901.
Claims priority of provisional application 62/720,853, filed on Aug. 21, 2018.
Prior Publication US 2020/0060852 A1, Feb. 27, 2020
Int. Cl. A61F 2/24 (2006.01); A61F 2/88 (2006.01)
CPC A61F 2/88 (2013.01) [A61F 2/2418 (2013.01); A61F 2/2433 (2013.01); A61F 2220/0008 (2013.01); A61F 2230/0004 (2013.01); A61F 2230/0067 (2013.01); A61F 2230/0091 (2013.01); A61F 2250/001 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A heart valve prosthesis for replacing a diseased native valve in a heart of a patient, the valve prosthesis comprising:
a compressible and expandable frame structure having a frame axis;
a valve segment disposed within the frame structure, the valve segment comprising a biocompatible one-way valve; and
a compressible and expandable anchor permanently attached to and configured to encircle an outer periphery of the frame structure, wherein the anchor comprises a spiral wire and a free end, the free end having a larger radius of curvature than the spiral wire;
wherein the heart valve prosthesis has an anchoring configuration in which the anchor is in an expanded state, the frame structure is in a collapsed state, and the frame axis is centrally located within the spiral wire;
wherein when heart valve prosthesis is in the anchoring configuration, rotation of the spiral wire is configured to guide the frame structure into the native valve.