US 11,969,176 B2
Aspiration medical device
Daniel T. Quillin, Eden Prairie, MN (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by BOSTON SCIENTIFIC SCIMED, INC., Maple Grove, MN (US)
Filed on May 4, 2022, as Appl. No. 17/736,244.
Claims priority of provisional application 63/183,856, filed on May 4, 2021.
Prior Publication US 2022/0370084 A1, Nov. 24, 2022
Int. Cl. A61B 17/22 (2006.01); A61M 25/00 (2006.01)
CPC A61B 17/22 (2013.01) [A61M 25/007 (2013.01); A61B 2017/22079 (2013.01); A61B 2017/22084 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An aspiration medical device, comprising:
a catheter shaft having a distal end region and defining an inflow orifice adjacent to the distal end region;
an aspiration member disposed within the catheter shaft, the aspiration member having a plurality of axially-spaced fluid jets formed therein;
a collar disposed over the aspiration member, the collar having a jet support region disposed adjacent to at least one of the fluid jets and a wall support region disposed adjacent to a wall of the catheter shaft;
wherein the jet support region includes a jet opening that is aligned with one of the fluid jets; and
wherein the jet opening is angled proximally.