Cell storage and delivery systems and methods for storing and delivering viable cells to a mammal are disclosed. The cell storage and delivery systems include a biodegradable and/or bioabsorbable fibrous matrix physically associated with viable cells to contain and release the cells at a controlled rate....http://www.google.com.tw/patents/US7323190?utm_source=gb-gplus-share專利 US7323190 - Cell delivery system comprising a fibrous matrix and cells
