Medical implant device, namely, decellularized pancreas tissue, namely, porcine, bovine or human pancreas tissue for use in surgical organ repair and replacement, specifically involving the pancreas and its component parts and functions and Medical implant device, namely, partially and fully recellularized pancreas tissue, namely, porcine, bovine or human pancreas tissue for use in surgical organ repair and replacement, specifically involving the pancreas and its component parts and functions