Biocompatible hydrophobic laminate with thermoplastic elastomer

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Breast prosthesis – Implantable

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623 11, 427 224, A61F 212

Patent

active

056308442

ABSTRACT:
A biocompatible hydrophobic laminate. The laminate structure includes one layer of a rubber, such as silicone rubber, which is biocompatible with the inside of the body. The laminate structure further includes a hydrophobic layer or membrane formed of a thermoplastic elastomer such as a styrene triblock copolymer. The triblock copolymer may contain styrene endblocks with an elastomeric midblock such as polyisoprene, polybutadiene, polyisobutylene, and poly(ethylene-co-butylene). The laminate structure may be utilized for structures to be introduced into the body, such as for a breast prosthesis shell or a coating for a catheter.

REFERENCES:
patent: 4413359 (1983-11-01), Akiyama et al.
patent: 4992312 (1991-02-01), Frisch
patent: 5302393 (1994-04-01), Matsumoto et al.

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