US 12,446,872 B2
Devices and methods for tether cutting
Russel Sampson, Palo Alto, CA (US); David Scott Baron, Sunnyvale, CA (US); and Rob Kotmel, Burlingame, CA (US)
Assigned to Ancora Heart, Inc., Santa Clara, CA (US)
Filed by Ancora Heart, Inc., Santa Clara, CA (US)
Filed on May 2, 2023, as Appl. No. 18/311,115.
Application 18/311,115 is a continuation of application No. 16/929,789, filed on Jul. 15, 2020, granted, now 11,672,524.
Claims priority of provisional application 62/874,279, filed on Jul. 15, 2019.
Prior Publication US 2024/0099710 A1, Mar. 28, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/04 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/0467 (2013.01) [A61B 2017/00292 (2013.01); A61B 2017/00367 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A tether-cutting device comprising:
a catheter comprising a proximal end, a distal end, a lumen therethrough, and a sidewall, wherein the sidewall comprises an opening;
an inner shaft comprising a shaft lumen, wherein the inner shaft is disposed within the lumen of the catheter;
a cutting blade disposed over the inner shaft; and
an actuation mechanism coupled to the cutting blade configured to rotate and translate the cutting blade about the inner shaft.