US 11,839,708 B2
Linear cardiac assist pulsatile pump
Steve C. Smith, Trabuco Canyon, CA (US); and Brian A. Babson, Long Beach, CA (US)
Assigned to SummaCor, Inc., San Diego, CA (US)
Filed by SummaCor, Inc., San Diego, CA (US)
Filed on Oct. 16, 2020, as Appl. No. 17/073,085.
Claims priority of provisional application 63/044,298, filed on Jun. 25, 2020.
Claims priority of provisional application 62/923,542, filed on Oct. 19, 2019.
Prior Publication US 2021/0113826 A1, Apr. 22, 2021
Int. Cl. A61M 60/419 (2021.01); A61L 27/02 (2006.01); A61M 60/139 (2021.01); A61M 60/13 (2021.01); A61M 60/562 (2021.01); A61M 60/89 (2021.01); A61M 60/268 (2021.01)
CPC A61M 60/139 (2021.01) [A61M 60/13 (2021.01); A61M 60/268 (2021.01); A61M 60/562 (2021.01); A61M 60/89 (2021.01); A61M 2205/0216 (2013.01)] 96 Claims
OG exemplary drawing
 
1. A pump for assisting blood circulation comprising:
a housing comprising an interior surface and an expanded configuration;
a valve member comprising a rim disposed within the housing, wherein the valve member has an expanded or extended configuration, and a collapsed configuration; and
an actuator coupled to the valve member, wherein the actuator is configured to linearly reciprocate the valve member within the housing,
wherein the pump is configured for advancement within the circulatory system and has a fill stroke and a pump stroke, and wherein the rim of the valve member is configured to maintain contact with the interior surface of the housing during the pump stroke.