Biocompatible hydrophobic laminate with thermoplastic elastomer layer
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United States of America Patent
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May 20, 1997
Grant Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Jun 7, 1995
priority date (Note) -
Expired
status (Latency Note)
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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.
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