Patent ID: 11969180
Assignee: NEURAVI LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. A system for retrieving an obstruction in a blood vessel, the system comprising:
a first conductive wire;
an electronic circuit providing a first current to the first conductive wire;
a frame in electrical communication with the first conductive wire and comprising a shape memory material, the frame comprising:
a first portion of the frame that is expandable from a collapsed configuration to an expanded configuration upon being heated by the first current; and
a second portion of the frame;

an insulating junction connecting the first portion of the frame to the second portion of the frame, such that the first current does not reach the second portion of the frame; and
a thermoelectric cooling circuit in electrical communication with the frame, wherein the at least the first portion of the frame is collapsible from the expanded configuration to the collapsed configuration upon removal of heat by the thermoelectric cooling circuit.