US 12,220,140 B1
Thrombectomy devices with lateral and vertical bias
John To, Sunnyvale, CA (US)
Assigned to AVANTEC VASCULAR CORPORATION, Sunnyvale, CA (US)
Filed by AVANTEC VASCULAR CORPORATION, Sunnyvale, CA (US)
Filed on Aug. 16, 2024, as Appl. No. 18/807,575.
Claims priority of provisional application 63/520,029, filed on Aug. 16, 2023.
Int. Cl. A61B 17/22 (2006.01); A61B 17/00 (2006.01); A61B 17/3205 (2006.01)
CPC A61B 17/22 (2013.01) [A61B 17/00234 (2013.01); A61B 17/3205 (2013.01); A61B 2017/00238 (2013.01); A61B 2017/00292 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/22038 (2013.01); A61B 2017/22079 (2013.01); A61B 2217/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A thrombectomy device, comprising
a flexible rotating shaft with a proximal end, a distal end, and a lumen;
a curved, tubular cutter operably connected to the distal end of the flexible rotating shaft, the tubular cutter including a head with an axis and a mouth having a z-axis, a neck connected to the head and having an axis of rotation, and an angle, θz, ranging from 90° to 135°, between the z-axis of the mouth and the axis of rotation, the mouth configured with
a leading edge having a highest height, h-leading;
a trailing edge having a lowest height, h-trailing;
a vertical bias ratio of h-leading/h-trailing ranging from 1.05 to 2.0;
a distance, BL, between the axis of rotation and the leading edge;
a distance, BT, between the axis of rotation and the trailing edge; and,
a lateral bias ratio of BL/BT ranging from 1.05 to 2.0;
and,
a vacuum port configured for operable communication with a vacuum source to facilitate transport of the tissue out of the subject.