US 12,257,397 B2
Catheter for portable lung assist device
Abbas Ardehali, Los Angeles, CA (US)
Assigned to The Regents of the University of California, Oakland, CA (US)
Filed by THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US)
Filed on Jan. 24, 2022, as Appl. No. 17/583,101.
Application 17/583,101 is a continuation of application No. 15/332,741, filed on Oct. 24, 2016, abandoned.
Application 15/332,741 is a continuation in part of application No. PCT/US2015/027334, filed on Apr. 23, 2015.
Claims priority of provisional application 62/322,293, filed on Apr. 14, 2016.
Claims priority of provisional application 62/092,387, filed on Dec. 16, 2014.
Claims priority of provisional application 62/050,507, filed on Sep. 15, 2014.
Claims priority of provisional application 61/983,804, filed on Apr. 24, 2014.
Prior Publication US 2022/0355065 A1, Nov. 10, 2022
Int. Cl. A61M 25/00 (2006.01); A61M 1/36 (2006.01); A61M 60/113 (2021.01); A61M 60/38 (2021.01)
CPC A61M 25/003 (2013.01) [A61M 1/3659 (2014.02); A61M 1/3666 (2013.01); A61M 25/0041 (2013.01); A61M 25/005 (2013.01); A61M 60/113 (2021.01); A61M 60/38 (2021.01); A61M 2025/0002 (2013.01); A61M 2025/0031 (2013.01); A61M 2210/125 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A cannula configured for use with a lung assist device, comprising:
a first tube with at least one first opening, at least one second opening, and a section without openings between the first and second openings, wherein the at least one first opening is configured to drain un-oxygenated blood from a right ventricle of the subject's heart, the at least one second opening is configured to drain un-oxygenated blood from a right atrium of the subject's heart, and the section without openings is configured to align with a tricuspid valve of the subject's heart when the first and second openings are situated in the right ventricle and right atrium, respectively, wherein the first tube is fluidly connected to the lung assist device such that the drained un-oxygenated blood from the first and second openings is transferred to the lung assist device;
a second tube, coaxial with the first tube and fluidly connected to the lung assist device, the second tube having at least one second opening configured to return oxygenated blood from the lung assist device to a pulmonary trunk of the subject.