Patent ID: 6550480
Filing Date: 2003-04-22
Classification: A61B,A61F,A61L

Abstract:
A method of occluding a lumen in a living mammal, said lumen having an inner diameter, comprising:providing an occluder deformed to a diameter equal to or smaller than the inner diameter of said lumen of a living mammal, said occluder comprising a shape memory composition having a glass transition temperature in the range of about âˆ’100Â° to about 20Â° C. and said composition comprising a crystalline domain structure having a crystalline melting temperature (Tm) in the range of about 0Â° to about 37Â° C.; surgically inserting the occluder into the lumen; allowing the occluder to warm to the body temperature of said mammal thereby becoming elastic and conforming to the size and shape of the lumen; wherein said lumen is selected from fallopian tubes, blood vessels, vas deferens, and vagina of said mammal.