1
Erik T Engelson: Detachable pusher-vasoocclusive coil assembly with interlocking ball and keyway coupling. Target Therapeutics, Morrison & Foerster, November 16, 1993: US05261916 (501 worldwide citation)

A pusher-vasoocclusive coil assembly that is advanced through a catheter to a site within a vessel and is manipulated to detach the coil from the assembly. The coil has an enlarged member at its proximal end and the pusher has a keyway at its distal end that receives the enlarged member in interlock ...


2
Erik T Engelson: Catheter for guide-wire tracking. Target Therapeutics, Ciotti & Murashige Irell & Manella, April 26, 1988: US04739768 (389 worldwide citation)

A catheter for use with a guide wire which can be guided from an external body access site to an internal tissue, and into the tissue along a tortuous path of at least about 5 cm through vessels of less than about 3 mm lumen inner diameter. The catheter includes a relatively stiff proximal segment d ...


3
Erik T Engelson, Gene Samson: Mechanical clot encasing and removal wire. Target Therapeutics, Morrison & Foerster, May 23, 2000: US06066158 (379 worldwide citation)

This is a surgical device usually delivered through an intravascular catheter. It is designed to pierce and remove emboli often found in tortuous vasculature. The device includes several sections. The device has a core element. Placed around the distal end of the core wire is a collapsible but self ...


4
Erik T Engelson, Gene Samson, Kim Nguyen, Rose Y Wong: Mechanical clot treatment device. Target Therapeutics, Morrison & Foerster, October 26, 1999: US05972019 (345 worldwide citation)

This is a medical device. In particular, it is a surgical device usually delivered through an intravascular catheter. It may be used in several ways. It may, for instance, be used to open a clear passageway adjacent thrombus to allow both blood and medication to bypass the clot. It may be used to pi ...


5
Robert H Twyford Jr, Erik T Engelson, Uriel H Chee, Michael J Mariant: Detachable pusher-vasoocclusive coil assembly with interlocking coupling. Target Therapeutics, Morrison & Foerster, April 19, 1994: US05304195 (335 worldwide citation)

A pusher-vasoocclusive coil assembly that is advanced through a catheter to a site within a vessel and is manipulated to detach the coil from the assembly. The coil has an affixed, proximally-extending wire that carries a ball on its proximal end and the pusher has an affixed, distally-extending wir ...


6
Erik T Engelson: Catheter guide wire. Target Therapeutics, Peter J Dehlinger, December 5, 1989: US04884579 (264 worldwide citation)

A catheter guide wire designed for use in guiding a catheter to a target site along a tortuous vessel path. The guide wire has a relatively long, torqueable proximal wire section, a more flexible intermediate section, and a most flexible distal end section designed to be advanced across sharp-bend v ...


7
Erik T Engelson: Aneurysm closure method. Target Therapeutics, Morrison & Foerster, May 12, 1998: US05749894 (253 worldwide citation)

This is a procedure for stabilizing or filling an aneurysm in the vasculature. The procedure involves the introduction into the aneurysm of a solid vaso-occlusive device such as a coil or braid and a polymeric composition which may be reformed or solidified in situ. The solid vaso-occlusive device i ...


8
Erik T Engelson, Gene Samson: Vasoocclusion device containing radiopaque fibers. Target Therapeutics, Morrison & Foerster, June 13, 1995: US05423849 (245 worldwide citation)

This invention is a vasoocclusive device. More particularly, it is a tubular vasoocclusion braid woven from at least radiopaque fibers. The braid may also be partially woven from radiolucent fibers. Optionally, the device may contain a fibrous center or wick in its interior. The device may be contin ...


9
John R Daniels, Erik T Engelson, Garbriel B Vegh: Catheter device. Target Therapeutics, Ciotti & Murashige, April 7, 1987: US04655746 (230 worldwide citation)

A catheter device for transferring fluid material to or from one or more selected-length segment of a vessel. The device includes first and second catheters, each having a tube with distal and proximal ends, an inflatable balloon carried on the tube, adjacent the distal tube end, and a fluid conduit ...


10
Timothy C Mills, Rhoda M Santos, Erik T Engelson, Henry Nita: Guide catheter with enhanced guidewire tracking. Target Therapeutics, Morrison & Foerster, October 26, 1999: US05971975 (220 worldwide citation)

This is a guide catheter assembly. The guide catheter assembly is used to cooperate with a micro-catheter in accessing a tissue target within the body, typically a target which is accessible through the vascular system. Central to the invention is the use of a braided metallic reinforcing member, si ...