US 12,272,264 B2
Mitral valve annular dilation devices and methods for use
Y. Joseph Woo, Stanford, CA (US); Michael John Paulsen, Los Altos, CA (US); Cole C. Paullin, Manhatten Beach, CA (US); Annabel M. Imbrie-Moore, Stanford, CA (US); and Tabitha Marie Bandy-Vizcaino, Stanford, CA (US)
Assigned to The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US)
Filed by THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, Stanford, CA (US)
Filed on Feb. 15, 2022, as Appl. No. 17/672,606.
Application 17/672,606 is a continuation of application No. PCT/US2020/047268, filed on Aug. 20, 2020.
Claims priority of provisional application 62/889,520, filed on Aug. 20, 2019.
Prior Publication US 2022/0172646 A1, Jun. 2, 2022
Int. Cl. G09B 23/32 (2006.01); G09B 23/30 (2006.01)
CPC G09B 23/32 (2013.01) [G09B 23/303 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A dilation device for modeling mitral regurgitation in a mitral valve, comprising:
an annular housing surrounding an aperture;
an anterior blade mounted to the housing and defining an inner edge adjacent the aperture;
a plurality of posterior blades mounted to the housing and defining an inner edge adjacent the aperture, the posterior blades movable to dilate a valve mounted to the blades.