Method for bonding or fusion of biological tissue and material Grant US-5749895-A United States of America 12 May 1998
Methods for joining tissue by applying radiofrequency energy to performed collagen films… Grant US-5669934-A United States of America 23 Sep 1997
Collagen welding rod material for use in tissue welding Grant US-5156613-A United States of America 20 Oct 1992