US 12,213,661 B2
Mitral valve fixation device removal devices and methods
Raghuveer Basude, Fremont, CA (US); Kent Dell, Redwood City, CA (US); Arundhati Kabe, Sunnyvale, CA (US); Gaurav Krishnamurthy, Mountain View, CA (US); and Michael F. Wei, Redwood City, CA (US)
Assigned to Evalve, Inc., Santa Clara, CA (US)
Filed by Evalve, Inc., Santa Clara, CA (US)
Filed on Apr. 23, 2020, as Appl. No. 16/856,704.
Application 15/423,060 is a division of application No. 14/216,787, filed on Mar. 17, 2014, granted, now 9,572,666, issued on Feb. 21, 2017.
Application 16/856,704 is a continuation of application No. 15/423,060, filed on Feb. 2, 2017, granted, now 10,667,804.
Prior Publication US 2020/0245998 A1, Aug. 6, 2020
Int. Cl. A61F 2/24 (2006.01); A61B 17/04 (2006.01); A61B 17/064 (2006.01); A61B 17/068 (2006.01); A61B 17/3205 (2006.01); A61B 17/00 (2006.01); A61B 17/22 (2006.01)
CPC A61B 17/0467 (2013.01) [A61B 17/0644 (2013.01); A61B 17/0682 (2013.01); A61F 2/2463 (2013.01); A61F 2/2466 (2013.01); A61B 2017/00243 (2013.01); A61B 2017/00783 (2013.01); A61B 2017/00867 (2013.01); A61B 2017/22097 (2013.01); A61B 17/32053 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A system for removing a mitral valve fixation device, the system comprising:
a cutting assembly disposed at a distal end of a first catheter member, the cutting assembly comprising:
an annular cutting member; and
a lumen formed by at least a portion of the cutting member, the lumen being configured to receive the mitral valve fixation device;
a cutting member receiving member into which a portion of the cutting member penetrates during cutting of a leaflet tissue coapted by the mitral valve fixation device; and
an elongate member extending proximally from the cutting member receiving member and into the lumen, the elongate member being configured to control movement of the cutting member receiving member, the elongate member being disposed within the lumen non-concentric to a central axis of the lumen.