Biostable elastomeric polymers having quaternary carbons

Details Biostable elastomeric polymers having quaternary carbons Biostable elastomeric polymers having quaternary carbons

1996-07-29

1998-04-21

Prebilic, Paul B.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

623 6, 623 1, 607 1, 607 2, 607119, A61F 202, A61F 206

Patent

active

057413312

ABSTRACT:
An article of manufacture and method of making and implanting the article made of a polyolefin star or linear copolymer are disclosed in which the polyolefin copolymer is biostable and crack-resistant when implanted in vivo. The polyolefin copolymer is the reaction product of a rubbery component which when homopolymerized produces a polymer having a low level of hardness, and a hardening component which when homopolymerized produces a polymer having a high level of hardness. The polyolefin copolymer is elastomeric, has a hardness intermediate the low and high levels of hardness, and has a backbone in which the majority of polymer linkages along the copolymer chain are alternating quaternary and secondary carbon atoms.

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