Surgical dressings incorporating collagen; Surgical dressings made from collagen; Surgical grafts (living tissues); Surgical implants comprised of living tissues; Surgical implants grown from stem cells (living tissues)

Surgical graft materials; Surgical grafts (artificial materials); Surgical implant materials; Surgical implants being artificial materials for gum tissue regeneration; Surgical implants being artificial materials for use in guided tissue regeneration; Surgical implants being artificial replacement materials for human tissue; Surgical implants comprised of artificial materials; Surgical membranes; Surgical nerve locator devices; Surgical nerve stimulator devices; Surgical prostheses; Surgical prostheses for human use; Surgical prostheses for veterinary use