Donald M Golden, William P McVay: Two-piece tissue fastener with coinable leg staple and retaining receiver and method and instrument for applying same. Ethicon, Robert L Minier, March 4, 1986: US04573469 (290 worldwide citation)

A fastener is provided to hold together separated portions of mammalian tissue and includes an open loop fastening member and a receiver adapted to receive the legs of the fastening member. The legs of the fastening member are then deformed to effect engagement of the fastening member and receiver. ...