1
Andrew H Cragg, Blair D Walker, John Perl II, Michael Jones, George Robert Greene, George Wallace, Richard J Greff: Device and method for controlling injection of liquid embolic composition. Micro Therapeutics, Burns Doane Swecker & Mathis L, January 28, 2003: US06511468 (432 worldwide citation)

A liquid embolic delivery system is provided for trapping an injected liquid embolic composition to prevent the liquid embolic from solidifying or otherwise passing outside of an embolization area. The delivery system includes a catheter for delivery of a liquid embolic composition and a containment ...


2
Wayne A Noda, Mike L Jones, Scott M Evans, Blair D Walker, William J Worthen, Yves Pierre Gobin: Indwelling heat exchange catheter and method of using same. Alsius Corporation, January 15, 2002: US06338727 (165 worldwide citation)

A catheter is adapted to exchange heat with a body fluid, such as blood, flowing in a body conduit, such as a blood vessel. The catheter includes a shaft with a heat exchange region disposed at its distal end. This region may include hollow fibers which are adapted to receive a remotely cooled heat ...


3
Blair D Walker, Scott M Evans: Infusion guidewire having fixed core wire and flexible radiopaque marker. Micro Therapeutics, Joseph F Breimayer, February 22, 2000: US06027461 (125 worldwide citation)

An infusion guidewire that can be used either as a guidewire or an infusion catheter having an integral, tapered core wire within an infusion lumen formed of the aligned lumens of the conduit of a proximal connector housing, a proximal inner sheath in a proximal guidewire portion and a distal coil w ...


4
Blair D Walker, Sheryl W Higgins: Low-profile single-lumen dual-balloon catheter with integrated guide wire for embolectomy dilatation/occlusion and delivery of treatment fluid. Baxter International, Poms Smith Lande & Rose, June 14, 1994: US05320604 (118 worldwide citation)

A fully exchangeable low-profile single-lumen dual-balloon catheter for embolectomy, dilatation, occlusion, and infusion of treatment fluid, and having an integrated guide wire, includes a flexible small diameter guide wire provided with an distal end valving portion of comparatively enlarged diamet ...


5
Nora Tran Pham, Lynn M Shimada, Scott M Evans, Blair D Walker: Dual balloon central venous line catheter temperature control system. Alsius Corporation, October 9, 2001: US06299599 (115 worldwide citation)

A system for controlling patient temperature uses a central venous line catheter having axially spaced distal and proximal heat exchange balloons. The central venous line catheter is provided with one or more lumens for providing access to the central blood supply of the patient, and with additional ...


6
Blair D Walker, Sheryl W Higgins: Exchangeable integrated-wire balloon catheter. Baxter International, Debra D Condino, Raymond Sun, November 15, 1994: US05364354 (86 worldwide citation)

A fully exchangeable integrated-wire dilation catheter for performing angioplasty is disclosed having a flexible small diameter guide wire provided with an enlarged diameter distal end portion and a flexible elongated tubular shaft with at least one dual function fluid conducting lumen adapted to re ...


7
R Scott Huennekens, Stephen M Fry, Blair D Walker, Jon D Klingensmith, Nancy Perry Pool, Vincent J Burgess, William R Kanz: Vascular image co-registration. Volcano Corporation, Haynes and Boone, April 19, 2011: US07930014 (69 worldwide citation)

A system and method for providing a vascular image are disclosed wherein a single composite display simultaneously provides a first view of a patient including an angiogram image and a second view including an intravascular image rendered from information provided by an imaging probe mounted on a di ...


8
Blair D Walker, Scott M Evans, Wayne A Noda: Central venous line catheter having multiple heat exchange elements and multiple infusion lumens. Alsius Corporation, John L Rogitz, April 13, 2004: US06719724 (65 worldwide citation)

An intravenous catheter system (apparatus and method) for controlling patient temperature includes a generally tubular elongated body having lumens for circulating a heat exchange fluid in a plurality of heat exchange elements provided at spaced intervals along the length of the elongated body. The ...


9
Richard Scott Huennekens, Vincent J Burgess, Marja Pauliina Margolis, Blair D Walker, Jon D Klingensmith, Nancy Perry Pool, Randall Kent Hanson: Three dimensional co-registration for intravascular diagnosis and therapy. Volcano Corporation, Haynes and Bone, October 30, 2012: US08298147 (60 worldwide citation)

A method and system are disclosed for creating, in a coordinated manner, graphical images of a body including vascular features from a combination of image data sources. The method includes initially creating an angiographic image of a vessel segment. The angiographic image is, for example, either a ...


10
Mark Evan Whitebook, Blair D Walker, Scott M Evans, Lynn M Shimada: System and method employing indwelling RF catheter for systemic patient warming by application of dielectric heating. Alsius Corporation, John L Rogitz, March 4, 2003: US06529775 (59 worldwide citation)

An indwelling RF catheter achieves warming of patients by dielectric heating of blood or other bodily fluids. In one example, the catheter is deployed in a suitable blood vessel, such as the inferior vena cava. The catheter design includes an emitter structure electrically coupled to an RF generator ...