1
Yoram Palti, Robert Schnall: Padded vascular clamp. David M Klein, Bryan Cave, April 29, 1997: US05624454 (51 worldwide citation)

A vascular clamp for occluding a blood vessel or duct in a human or animal. The vascular clamp includes a pair of pivoting arms, with a clamping jaw rigidly attached to a distal end of each pivoting arm. A concave substantially semi-cylindrical chamber is formed in each clamping jaw. The clamping ja ...


2
Robert Schnall: Apparatus and method for measuring respiratory airway resistance and airway collapsibility in patients. S M C Sleep Medicine Center, Frishauf Holtz Goodman Langer & Chick, February 24, 1998: US05720709 (31 worldwide citation)

An apparatus for measuring the airways resistance of a person by short-time occlusion of inhalation, includes a face mask having an inlet channel and an outlet channel, the latter provided with an outlet valve, and a narrow passage close to a plenum in front of the face. A pneumotachograph is mounte ...