The invention provides methodologies and apparatus for producing acellular soft-tissue implants, both in small quantities and in commercializable quantities. Such soft-tissue implants include vascular graft substitutes. An acellular graft is produced by subjecting the tissue sample to an induced pressure...http://www.google.se/patents/US6734018?utm_source=gb-gplus-sharePatent US6734018 - Process for decellularizing soft-tissue engineered medical implants, and decellularized soft-tissue medical implants produced