US 12,433,597 B2
Atraumatic occlusive system with compartment for measurement of vascular pressure change
Erik Dean Olson, Castle Rock, CO (US); David Benjamin Jaroch, Arvada, CO (US); Patrick Charles McCain, Denver, CO (US); and Aravind Arepally, Atlanta, GA (US)
Assigned to TriSalus Life Sciences, Inc., Westminster, CO (US)
Filed by TriSalus Life Sciences, Inc., Westminster, CO (US)
Filed on Jun. 4, 2019, as Appl. No. 16/431,547.
Prior Publication US 2020/0383688 A1, Dec. 10, 2020
Int. Cl. A61B 17/12 (2006.01); A61B 5/00 (2006.01); A61B 5/02 (2006.01); A61B 5/0215 (2006.01); A61M 25/00 (2006.01); A61M 25/09 (2006.01); A61M 25/10 (2013.01)
CPC A61B 17/12109 (2013.01) [A61B 5/0215 (2013.01); A61B 17/1204 (2013.01); A61B 17/12136 (2013.01); A61M 25/09 (2013.01); A61M 25/10181 (2013.11); A61B 5/02007 (2013.01); A61B 5/6853 (2013.01); A61B 2017/1205 (2013.01); A61M 2025/0002 (2013.01); A61M 2025/09008 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A system for temporarily occluding a blood vessel, comprising:
a) a flexible tubular member having a proximal end and a distal end, the flexible tubular member comprising an infusion lumen extending through the flexible tubular member between the proximal and distal ends, the infusion lumen having a distal orifice at the distal end;
b) an expandable occluder comprising a braided construct of filaments mounted at the distal end of the tubular member, the braided construct having a proximal portion and a distal portion, the proximal portion covered with a fluid impermeable cover and the distal portion covered with a fluid permeable cover, an interior of the occluder encloses a chamber,
the distal end of the tubular member extending through the occluder such that the orifice opens distal of the occluder; and
c) a first pressure sensor located inside the chamber and positioned proximal to the fluid permeable cover, the first pressure sensor configured to sense pressure beyond the orifice by sensing pressure in the chamber, wherein the fluid permeable cover is located between the orifice and the first pressure sensor, and
wherein the fluid permeable cover comprises radially symmetrically arranged apertures and is configured to be sufficiently permeable to permit fluid continuity between the chamber and a portion of the blood vessel distal to the occluder and to dampen an effect on the first pressure sensor of fluid turbulence from infusion of an infusate through the infusion lumen and out of the orifice.