Patent 7338657 was granted and assigned to Biosphere Medical, Inc. on March, 2008 by the United States Patent and Trademark Office.
The present invention relates to injectable compositions comprising biocompatible, hydrophilic, non-toxic and substantially spherical microspheres associated with stem cells useful for tissue construction and generation. The invention also relates to methods of tissue construction and generation, for the treatment of various tissue damage and defects, using the injectable compositions.