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Open-cell, silicone-elastomer medical implant

  • US 5,007,929 A
  • Filed: 07/27/1990
  • Issued: 04/16/1991
  • Est. Priority Date: 11/04/1986
  • Status: Expired due to Term
First Claim
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1. A medical implantable device of substantially homogeneous composition comprised of silicone elastomer, said implantable device having an external surface integral therewith, at least a portion of said surface having an open-cell structure, said medical implantable device made by the method comprising the steps of:

  • (a) applying a layer of silicone elastomer to said medical implantable device; and

    (b) applying solid particles to the surface before the layer is fully cured; and

    (c) fully curing the layer; and

    (d) dissolving the solid particles with a solvent that does not dissolve the silicone elastomer to any appreciable extent.

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