Scott J Solano, Myles L Saunders, James Crittenden: Cerebral balloon angioplasty system. C R Bard, May 1, 1990: US04921478 (455 worldwide citation)

An occlusion catheter for use during the therapeutic intervention of a cerebral blood vessel for flushing away fluid and debris from the area of the therapeutic intervention is provided. The catheter carries an inflatable occlusion balloon capable of being formed into a funnel with the larger end of ...

Walter A Gezari, James Crittenden: Apparatus for controlling the pressure in a tracheal cuff. Fishman and Van Kirk, August 25, 1981: US04285340 (62 worldwide citation)

An apparatus for controlling the pressure in a tracheal cuff used with a tracheal tube to seal the walls of the trachea with respect to the tube, the cuffed tracheal tube being of the type used with an automatic respirator which cycles between an inhalation mode and an exhalation mode.