1
Richard A Hillstead: Endovascular stent apparatus and method. Cordis Corporation, Watts Hoffman Fisher & Heinke Co, August 15, 1989: US04856516 (980 worldwide citation)

A stent for reinforcing a vessel wall is constructed from a single elongated wire. The wire is first bent into a series of tight bends. The wire is then further bent into a sequence of loops that are connected by half hitch junctions and interconnections which are either aligned or spiral around a c ...


2
Hillstead Richard A: Endovascular stent apparatus and method.. Cordis, July 18, 1990: EP0378151-A2 (19 worldwide citation)

A stent (10) for reinforcing a vessel wall is constructed from a single elongated wire. The wire is first bent into a series of tight bends. The wire is then further bent into a sequence of loops (50) that are connected by half hitch junctions (56) and interconnections which are either aligned or sp ...