US 12,472,020 B2
Robotically controlled clot manipulation and removal
Anne Donahue Doisneau, San Francisco, CA (US); Alexander Tarek Hassan, San Francisco, CA (US); and Frederic H. Moll, San Francisco, CA (US)
Assigned to Auris Health, Inc., Santa Clara, CA (US)
Filed by Auris Health, Inc., Redwood City, CA (US)
Filed on Nov. 15, 2023, as Appl. No. 18/510,317.
Application 18/510,317 is a division of application No. 16/748,405, filed on Jan. 21, 2020, granted, now 11,857,277.
Claims priority of provisional application 62/803,328, filed on Feb. 8, 2019.
Prior Publication US 2024/0081928 A1, Mar. 14, 2024
Int. Cl. A61B 34/30 (2016.01); A61B 17/12 (2006.01); A61B 17/22 (2006.01); A61B 17/3207 (2006.01); A61B 90/00 (2016.01)
CPC A61B 34/30 (2016.02) [A61B 17/12136 (2013.01); A61B 17/3207 (2013.01); A61B 2017/22038 (2013.01); A61B 2034/301 (2016.02); A61B 2034/303 (2016.02); A61B 2090/08021 (2016.02)] 10 Claims
OG exemplary drawing
 
1. A method of clot removal comprising:
driving a robotically controlled instrument system toward a clot within vasculature of a patient, wherein the instrument system comprises a first elongate member and a second elongate member positioned coaxially with the first elongate member, the first elongate member having a greater number of articulation cables than the second elongate member;
piercing the clot using a blunt distal tip of a third elongate member;
reducing the clot to smaller particles using a clot cutter of the third elongate member;
deploying a distal guard along a length of the third elongate member that is downstream from a location of the clot to prevent the smaller particles from being distributed downstream in the patient;
applying a pump of the second elongate member to aspirate the clot; and
capturing the clot using a retriever of the instrument system.