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Retrievable bioartificial implants having dimensions allowing rapid diffusion of oxygen and rapid biological response to physiological change, processes for their manufacture, and methods for their use

  • US 6,165,225 A
  • Filed: 08/03/1998
  • Issued: 12/26/2000
  • Est. Priority Date: 10/13/1995
  • Status: Expired due to Term
First Claim
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1. A viable, physiologically active and biocompatible cellular or tissue implant having (a) a total volume greater than 10 cubic millimeters, (b) a tissue or cell content of at least 10% by volume, and (c) dimensions permitting sufficient oxygen diffusion to sustain cell or tissue viability when the implant is implanted into a vascularized site in a patient.

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