1
Robert A Roth: Surgical tool and method of use. Lackenbach Siegel Marzullo & Aronson, March 27, 1990: US04911164 (153 worldwide citation)

A surgical suture guide, has an elongated body with a substantially straight portion and an end portion with a rounded tip at one end of the elongated body. A curved portion is situated between the substantially straight portion and the end portion. A guide arrangement having at least one groove ext ...


2
Robert A Roth, Michael A Martinelli: Instrument and method for intraluminally relieving stenosis. Intra Sonix, Schiller & Kusmer, May 4, 1993: US05207672 (128 worldwide citation)

An instrument for and method of effectively treating the prostatic urethra so as to relieve the symptoms associated with an enlarged urethra is disclosed. The tissue of at least selected portions of the prostate are compressed (preferably with a balloon inserted into the prostatic urethra so as to e ...


3
Donald O Smith, Alan P Sliski, Kenneth J Harte, Robert A Roth: Apparatus for applying a predetermined x-radiation flux to an interior surface of a body cavity. Photoelectron Corporation, Lappin & Kusmer, October 15, 1996: US05566221 (91 worldwide citation)

The present invention is directed to a kit for delivering x-rays to the interior surface of a body cavity. The kit includes an x-ray source and an x-ray source guidance tube. The guidance tube includes an inflatable inelastic balloon disposed about and affixed at its distal end such that when inflat ...


4
Robert A Roth: Prostatic urethra dilatation catheter system and method. Schiller & Kusmer, May 11, 1993: US05209725 (75 worldwide citation)

An improved instrument for and method of performing a transurethral balloon dilatation procedure of the prostate is disclosed. The instrument includes a hollow catheter comprising a shaft having at least its distal end portion made of an optically transparent material, and a substantially non-compli ...


5
Douglas I Fales, Robert A Roth: Fuel pump system. General Motors Corporation, Saul Schwartz, June 16, 1987: US04672937 (54 worldwide citation)

A fuel system for maintaining fuel flow when the surface of the pool of fuel in the fuel tank is below a minimum level. The fuel pump system includes a reservoir in the fuel tank and a pump in the reservoir. A motor in the pump drives a first pump which draws fuel from a secondary chamber of the pum ...


6
Victor Lazarev, Yuri E Kazakevich, Robert A Roth, Jim Hang: Fluorescence imaging system. O Connell Law Firm, November 16, 1999: US05986271 (41 worldwide citation)

A fluorescent imaging system provides an illuminated image of an object that has been subjected to a fluorescent dye, as well as a fluorescence image of the object. Thus, highlighted fluorescent portions of the object are viewed in context with the surrounding environment of the object being viewed. ...


7
Robert A Roth: Medical irrigation device. Schiller & Pandiscio, August 11, 1981: US04282873 (23 worldwide citation)

A medical irrigation device includes means for connecting a bulb-type syringe to a cannula such as a resectoscope so that fluid may be circulated therethrough in either direction and selectively either by a direct path therebetween or by a circuitous path including a specimen collecting receptacle w ...


8
Robert A Roth: Surgical drape. Polster Lieder Woodruff & Lucchesi, January 14, 1992: US05080108 (22 worldwide citation)

A sterile surgical drape sufficiently wide to circumferentially cover and enclose a non-sterile element such as tubing and a junction between the non-sterile element and a sterile element includes a malleable strip adhered to the inside of the drape, the strip being bent around the non-sterile eleme ...


9
Robert A Roth: Manual compression aid and method. Polster Lieder Woodruff & Luccchesi, November 23, 1993: US05263965 (18 worldwide citation)

A manual compression aid for applying direct pressure to arterial and venous punctures to obtain hemostasis includes an integrally formed pressure applicator having a relatively flat first surface adapted for contact with a human body and having a user manipulable member for holding the pressure app ...


10
Robert A Roth: Pump impeller. General Motors Corporation, Saul Schwartz, March 29, 1988: US04734008 (16 worldwide citation)

An open-vane regenerative impeller for a fuel pump. The impeller has a ring-like body portion from which a plurality of open-vane impeller vanes extend radially out and a plurality of fan blades extend radially in. The impeller is disposed in a closed cavity between two pump bodies with the vanes in ...