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Self-sealing shell for inflatable prostheses

  • US 8,690,943 B2
  • Filed: 08/19/2009
  • Issued: 04/08/2014
  • Est. Priority Date: 08/20/2008
  • Status: Active Grant
First Claim
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1. A shell for an inflatable breast implant, the shell comprising:

  • a wall comprising a particle/matrix composition comprising an elastomeric silicone polymer matrix defining enclosed spaces, and discontinuous particles of a swellable material occupying the enclosed spaces in the matrix;

    wherein, when the wall is contacted with an aqueous fluid, the particles of swellable material enlarge within the enclosed spaces such that the wall becomes self-sealing to a needle puncture.

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