Drug – bio-affecting and body treating compositions – Whole live micro-organism – cell – or virus containing – Animal or plant cell
Reexamination Certificate
2004-03-08
2010-10-05
Naff, David M (Department: 1657)
Drug, bio-affecting and body treating compositions
Whole live micro-organism, cell, or virus containing
Animal or plant cell
C424S426000, C435S178000, C435S182000, C435S395000, C435S396000, C435S397000
Reexamination Certificate
active
07807150
ABSTRACT:
Slowly polymerizing polysaccharide hydrogels have been demonstrated to be useful as a means of delivering large numbers of isolated cells via injection. The gels promote engraftment and provide three dimensional templates for new cell growth. The resulting tissue is similar in composition and histology to naturally occurring tissue. This method can be used for a variety of reconstructive procedures, including custom molding of cell implants to reconstruct three dimensional tissue defects, as well as implantation of tissues generally.
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Atala Anthony
Griffith Linda G.
Paige Keith T.
Vacanti Charles A.
Children's Medical Center Corporation
Massachusetts Institute of Technology
Naff David M
Pabst Patent Group LLP
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