Patent ID: 11944333
Assignee: NEURAVI LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A system for removing an obstruction from a blood vessel, the system comprising:
a catheter comprising:
a proximal section with a proximal section lumen diameter, and
a distal section with a distal section lumen diameter less than the proximal section lumen diameter; and

a clot retrieval device comprising:
a clot engaging element having a first collapsed delivery configuration and a second expanded deployed configuration; and
a shaft comprising:
a shaft proximal section, and
a shaft distal section attached to the clot engaging element and configured to cross the obstruction;

wherein intermediate and distal sections of the catheter and shaft are advanceable through the blood vessel towards the obstruction; and
wherein the shaft proximal section is stiffer than the shaft distal section.