US 11,701,490 B2
Liquid embolic delivery device
Frida San, Long Beach, CA (US)
Assigned to MicroVention, Inc., Aliso Viejo, CA (US)
Filed by MicroVention, Inc., Aliso Viejo, CA (US)
Filed on Nov. 14, 2019, as Appl. No. 16/684,359.
Claims priority of provisional application 62/768,813, filed on Nov. 16, 2018.
Prior Publication US 2020/0155800 A1, May 21, 2020
Int. Cl. A61M 25/01 (2006.01); A61M 25/09 (2006.01)
CPC A61M 25/01 (2013.01) [A61M 2025/091 (2013.01); A61M 2025/09008 (2013.01); A61M 2025/09183 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A liquid embolic agent delivery device, comprising:
an outer catheter comprising:
a first elongated tube having an outer tube passage extending within it;
a valve disposed at a distal end of the first elongated tube and closing off the outer tube passage;
a first hub connected at a proximal end of the first elongated tube;
an inner catheter comprising a second elongated tube having a distal end;
a first fluid source including a volume of an embolic solvent; and
a second fluid source including a volume of an embolic agent;
wherein the first fluid source and the second fluid source are each interchangeably fluidly connected to the inner catheter;
a solvent container disposed on an outer surface of the first elongated tube near the proximal end of the first elongated tube and connected to the outer tube passage; and,
wherein the inner catheter moves between a first position in which the distal end of the second elongated tube is positioned within the outer tube passage and proximal of the valve, and a second position in which the distal end of the second elongated tube is positioned through the valve.