1
Todd J Polk, Francis E McGowan: Surgical ligating instrument and method. KLI, Miller & Prestia, October 7, 1980: US04226239 (119 worldwide citation)

A surgical ligating instrument is provided for tubal ligation within the human and/or animal body, by the application of two or more elastic rings to anatomical tubes such as Fallopian tubes. The instrument is constructed to grasp a Fallopian tube, to draw it into an elongated tubular member, and to ...


2
Todd J Polk, Jerry Polizzi: Ring applicator having floating inner tube. Cabot Medical Corporation, Austin R Miller, January 15, 1985: US04493319 (84 worldwide citation)

The tubal ligation instrument of the present invention includes a structure for ligating anatomical tubes within the human or another animal body, structure for anesthetizing the anatomical tubes being ligated and structure for internally viewing the ligation procedure. An example of an anatomical t ...


3
Todd J Polk, James F Morrin: Ultrasonic medical instrument. Cabot Medical Corporation, Austin R Miller, August 20, 1985: US04535759 (36 worldwide citation)

An ultrasonic friction reducing device is comprised of an ultrasonic generator having a special sweep frequency oscillator, a piezoelectric crystal transducer and a cervical dilator probe. The generator produces an oscillatory electric current for the operation of the device. The piezoelectric cryst ...