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US 10,869,673 B2Granted
Embolic coil with kick-in tail
AssigneeBoston Scientific Scimed, Inc.
InventorsKen Zhang, Gary Pederson, Katherine Routh, Jeffry Johnson
Life of this patent
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Abstract
The present disclosure relates to embolic coils that eliminate kick-back into a parent vessel by providing a proximal end that retracts following deployment within the vasculature. Also disclosed are methods of making such coils, delivery systems that comprise such coils, and methods of delivering such coils to a patient.
Claims17
An embolic coil comprising:
- an elongate helical primary shape having a diameter, a first end, a second end, and defining a lumen there along having a volume;
- a bend in the first end of the primary shape extending into the volume;
- and
- a secondary shape defining a helix and a terminal end, wherein the entire helix and the terminal end are contained between the bend and the second end.
1 more element
A method comprising:
- (a) advancing an embolic coil of a delivery system to a target occlusion area in a patient, said delivery system comprising:
- (i) an embolic coil comprising:
- an elongate helical primary shape having a diameter, a first end, a second end, and defining a lumen therealong having a volume;
- a bend in the first end of the primary shape extending into the volume;
- and
- a secondary shape defining a helix and a terminal end, wherein the entire helix and the terminal end are contained between the bend and the second end;
- and
- (ii) a delivery wire;
- and
- (b) releasing the embolic coil from the delivery system.
7 more elements
Dependencies are inferred from the claim text.