CONTROLLED SHIELDING OF SHAPE MEMORY POLYMERS AND FOAMS

Abstract: an occlusive implant includes an expandable foam member in a compressed configuration and a biodegradable capsule disposed over the expandable foam member. the expandable foam member is made of a shape memory polymer, and the biodegradable capsule holds the expandable foam member in the compressed configuration for a first time period, after which the biodegradable capsule degrades, allowing the expandable form member to expand into an expanded configuration.

Inventor(s): Patrick Willoughby, Tatyana Dyndikova

CPC Classification: A61B17/12172 (for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord (specially adapted for vas deferens or fallopian tubes ; materials for ligaturing blood vessels ))

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