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Tissue implant systems and methods for sustaining viable high cell densities within a host

  • US 5,593,440 A
  • Filed: 05/23/1994
  • Issued: 01/14/1997
  • Est. Priority Date: 10/31/1990
  • Status: Expired due to Term
First Claim
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1. A method of implanting cells comprising the steps ofproviding a wall comprising a porous boundary, wherein the wall defines a chamber for holding cells for implantation and the porous boundary has a given area (A);

  • placing within the chamber a given number of cells (N) such that the quantity A/N is less than about 200 μ

    m2 /cell; and

    embedding the chamber within host tissue.

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