US 11,871,934 B2
Catheter with improved flow characteristics
George Stern, Aliso Viejo, CA (US); and Vladimir Satchouk, Aliso Viejo, CA (US)
Assigned to MicroVention, Inc., Aliso Viejo, CA (US)
Filed by MicroVention, Inc., Aliso Viejo, CA (US)
Filed on Sep. 28, 2021, as Appl. No. 17/488,052.
Claims priority of provisional application 63/084,944, filed on Sep. 29, 2020.
Prior Publication US 2022/0096095 A1, Mar. 31, 2022
Int. Cl. A61M 25/00 (2006.01); A61B 17/12 (2006.01)
CPC A61B 17/12186 (2013.01) [A61M 25/007 (2013.01); A61M 25/0071 (2013.01); A61M 2025/0073 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A catheter for delivering embolic agents, comprising:
a catheter shaft;
a delivery lumen within the catheter shaft; and,
a fluid flow modifying structure within a distal portion of the delivery lumen comprising a central lumen and a plurality of outer lumens that are each located adjacent to the central lumen, each of the plurality of outer lumens being in fluid communication with the central lumen; and,
wherein at least part of a length of each of the plurality of outer lumens form longitudinal channels that connect to the central lumen.