US 12,453,808 B2
Cannula for apical cannulation
Jeko Metodiev Madjarov, Wilmington, NC (US); and Francis Robicsek, Charlotte, NC (US)
Assigned to Jeko Metodiev Madjarov, Wilmington, NC (US)
Appl. No. 17/775,103
Filed by Jeko Metodiev Madjarov, Charlotte, NC (US)
PCT Filed Nov. 9, 2020, PCT No. PCT/US2020/059633
§ 371(c)(1), (2) Date May 6, 2022,
PCT Pub. No. WO2021/092539, PCT Pub. Date May 14, 2021.
Claims priority of provisional application 62/932,197, filed on Nov. 7, 2019.
Prior Publication US 2022/0387691 A1, Dec. 8, 2022
Int. Cl. A61M 1/36 (2006.01); A61M 25/00 (2006.01); A61M 25/10 (2013.01)
CPC A61M 1/3659 (2014.02) [A61M 25/003 (2013.01); A61M 2025/0031 (2013.01); A61M 2025/1052 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A left ventricular assist device for a patient's heart comprising:
a cannula, wherein the cannula is configured to function as part of the left ventricular assist device with a primary lumen having a diameter between a range of 8 mm to 28 mm and a secondary lumen having a diameter between a range of 2 mm and 16 mm,
wherein the primary lumen comprises an inlet port at a distal end and an outlet port at a proximal end and routes blood flow through an internal bore between the inlet and outlet ports, and
wherein the secondary lumen is disposed within the internal bore of the primary lumen and comprises a decompression opening defined along a length of the secondary lumen, the decompression opening in fluid communication with an opening defined by the primary lumen.