1
Ronald W Songer, Peter R McInnes: Steerable perfusion dilatation catheter. Advanced Cardiovascular Systems, Fulwider Patton Lee & Utecht, January 9, 1990: US04892519 (205 worldwide citation)

A steerable dilatation catheter with perfusion holes for use in coronary angioplasty. The catheter has inner and outer tubular members, with an inflatable balloon near the distal end of the outer tubular member. The guidewire extends through a lumen in the inner tubular member, and the distal end po ...


2
Michael J Horzewski, Ronald W Songer: Vascular catheter with releasably secured guidewire. Advanced Cardiovascular Systems, Fulwider Patton Lee & Utecht, June 12, 1990: US04932959 (159 worldwide citation)

A vascular catheter having a central lumen adapted to slidably receive a guidewire therein with an inflatable collar or other suitable means to releasably secure or fix the guidewire within the lumen so that the catheter and guidewire can be advanced through a patient's vasculature as a unit. The ca ...


3
Ronald W Songer, James W Vetter, Enrique J Klein, Bernard A Andreas, Michael Barrett, Mark J Foley, Brian Gore, Lewis Isbell, T Daniel Gross, Tomoaki Hinohara: Device and method for suturing tissue. Abbott Laboratories, Workman Nydegger, November 4, 2008: US07445626 (55 worldwide citation)

Systems for suturing a tissue layer having two sides with a suture be releasably retaining at least a portion of the suture in a stationary position on one side of the tissue layer. The portion of the suture is retrieved through the tissue layer from the opposite side whereby the suture is drawn fro ...


4
Ronald W Songer, James W Vetter, Enrique J Klein, Bernard A Andreas, Michael Barrett, Mark J Foley, Brian Gore, Lewis Isbell, T Daniel Gross, Tomoaki Hinohara: Device and method for suturing tissue. Robert Deberardine, Abbott Laboratories, August 4, 2005: US20050171561-A1

Systems for suturing a tissue layer having two sides with a suture be releasably retaining at least a portion of the suture in a stationary position on one side of the tissue layer. The portion of the suture is retrieved through the tissue layer from the opposite side whereby the suture is drawn fro ...