Biointerface membrane with macro-and micro-architecture

  • US 7,364,592 B2
  • Filed: 02/09/2005
  • Issued: 04/29/2008
  • Est. Priority Date: 02/12/2004
  • Status: Active Grant
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First Claim
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1. A biointerface membrane comprising a biostable membrane configured and arranged to be disposed on an in vivo implantable device, the biostable membrane comprising:

  • a macro-architecture defining a plurality of interconnected cavities that are greater than or equal to about 20 microns in a longest dimension; and

    a micro-architecture located within at least some of the cavities of the macro-architecture, wherein the micro-architecture has a plurality of interconnected cavities that are less than or equal to about 20 microns in at least one dimension, and wherein the interconnected cavities of the micro-architecture are sized such that a plurality of the interconnected cavities of the micro-architecture fit within one interconnected cavity of the macro-architecture.

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