1
James M Griffith, Mario Maciel, Walter L Henry, Paul J Zalesky: Ultra-thin acoustic transducer and balloon catheter using same in imaging array subassembly. Inter Therapy, Nixon & Vanderhye, June 27, 1989: US04841977 (320 worldwide citation)

An array of miniature ultrasound crystals mounted on preassembled subassembly which is, in turn, mounted on a small lumen catheter provides dimensional and other quantitative information relating to arterial wall geometry and character at disease or obstruction sites. Balloons also mounted to the ca ...


2
James M Griffith, Paul J Zalesky, James M Gessert, Viet P Dinh, James D Passafaro: Intravascular ultrasonic imaging probe and methods of using same. InterTherapy, Nixon & Vanderhye, May 26, 1992: US05115814 (168 worldwide citation)

An intravascular ultrasonic imaging probe includes a transducer subassembly adapted to being rotated within a guide catheter via a drive cable. The guide catheter establishes a bearing surface for supporting the transducer subassembly during rotation while also mechanically isolating the rotating tr ...


3
Joseph L Pope Jr, James M Griffith, James M Gessert, Mario Maciel, Paul Zalesky: Ultrasound imaging probe with zero dead space. InterTherapy, Nixon & Vanderhye, February 13, 1990: US04899757 (107 worldwide citation)

An ultrasonic imaging probe includes a probe guide assembly, an ultrasonic transducer fixed to the distal end of the probe guide assembly, and electrical cabling housed within the probe guide assembly and operatively connected to the transducer for sending electrical pulse/signals to/from the transd ...


4
James D Passafaro, James M Griffith: Medical probe assembly having combined ultrasonic imaging and laser ablation capabilities. InterTherapy, Nixon & Vanderhye, April 30, 1991: US05010886 (78 worldwide citation)

Intravascular probe assemblies are provided with both ultrasonic imaging and laser ablation (angioplasty) capabilities. In preferred embodiments, the probe assemblies will include a distally positioned rotatable housing having an ultrasonic transducer and an optical fiber operatively fixed therein s ...


5
James M Griffith: Combination catheter for invasive probe delivery and balloon dilation. Woodcock Washburn Kurtz Mackiewicz & Norris, July 12, 1994: US05327885 (61 worldwide citation)

A catheter for delivering both a probe and a balloon to a lumen in a subject. The probe is most preferably an ultrasonic imaging probe and the balloon a dilation balloon. The catheter comprises, at a proximal end, a triple lumen section that comprises a guidewire lumen, a probe lumen and a lumen for ...


6
James M Griffith: Ultrasound imaging sheath. Woodcock Washburn Kurtz Mackiewicz & Norris, April 13, 1993: US05201315 (21 worldwide citation)

An ultrasound imaging sheath for invasive imaging, in particular for imaging blood vessels including the coronary vessels. The sheath is comprised of three lumens; one serves as an ultrasound probe passage, one serves as a guide wire passage, and one serves as either a probe or a guide wire passage ...


7
James M Griffith, Walter L Henry: System for combining analog and image signals into a standard video format. The United States of America represented by the Secretary of the Department of Health Education and Welfare, Browdy and Neimark, August 30, 1977: US04045815 (16 worldwide citation)

A system for combining at least one analog signal, such as EKG signal, and an image signal, such as video signal representing a fluoroscopic view of a patient's heart or the like. The system includes a summing amplifier, which provides an input to a TV monitor and/or video recorder. The first input ...


8
James M Griffith: Sheath for guide wire probe. Woodcock Washburn Kurtz Mackiewicz & Norris, March 28, 1995: US05400789 (13 worldwide citation)

A catheter for delivering both a probe and a balloon to a lumen in a subject. The probe is most preferably an ultrasonic imaging probe and the balloon a dilation balloon. The catheter comprises, at a proximal end, a triple lumen section that comprises a guidewire lumen, a probe lumen and a lumen for ...


9
James M Griffith: Method for ultrasound imaging. Woodcock Washburn Kurtz Mackiewicz & Norris, October 5, 1993: US05249580 (12 worldwide citation)

An ultrasound imaging method for invasive imaging, in particular for imaging blood vessels including the coronary vessels. A sheath is comprised of three lumens; one serves as an ultrasound probe passage, one serves as a guide wire passage, and one serves as either a probe or a guide wire passage an ...


10
James M Griffith, Walter L Henry: Ultrasonic diagnostic technique utilizing switched gain signal processing. The United States of America, Holman & Stern, February 22, 1977: US04008713 (7 worldwide citation)

An ultrasonic diagnostic technique utilized to determine the wall thickness of cardiac structures. In a preferred embodiment, the endocardial and epicardial surfaces of the left ventricular posterior wall are irradiated with an ultrasonic sound beam. The signal reflected at the epicardial-lung inter ...