US 12,329,637 B2
Mitral valves with integrated cutting features
Simon Dunham, New York, NY (US); Bobak Mosadegh, New York, NY (US); James K. Min, Brooklyn, NY (US); and Tracey Lustig, New York, NY (US)
Assigned to Cornell University, Ithaca, NY (US)
Appl. No. 16/982,407
Filed by Cornell University, Ithaca, NY (US)
PCT Filed Mar. 21, 2019, PCT No. PCT/US2019/023396
§ 371(c)(1), (2) Date Sep. 18, 2020,
PCT Pub. No. WO2019/183372, PCT Pub. Date Sep. 26, 2019.
Claims priority of provisional application 62/646,009, filed on Mar. 21, 2018.
Prior Publication US 2021/0068951 A1, Mar. 11, 2021
Int. Cl. A61F 2/24 (2006.01); A61B 18/00 (2006.01); A61B 18/02 (2006.01); A61B 18/14 (2006.01)
CPC A61F 2/2427 (2013.01) [A61F 2/2418 (2013.01); A61B 2018/00369 (2013.01); A61B 2018/00601 (2013.01); A61B 2018/0212 (2013.01); A61B 18/1492 (2013.01); A61F 2220/0008 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method, comprising:
deploying a replacement valve through a cardiac valve of a subject, the replacement valve comprising:
a stent body comprising a first end and a second end and defining a lumen;
a prosthetic valve assembly coupled with an interior surface of the lumen;
a first set of anchors extending from the stent body to anchor the stent body to a target tissue location; and
at least one actuation arm extending from the stent body, the at least one actuation arm comprising a cutting feature to cut a portion of a heart;
lacerating a leaflet of the cardiac valve of the subject with the cutting feature; and
removing the cutting feature from the subject, wherein the removing the cutting feature comprises at least one of decoupling the actuation arm from the stent body or decoupling the cutting feature from the actuation arm.