Kymograph. Electric. 1950s. Brass drums mounted on teak base. Instrument used to measure and graphically record physiological responses: blood pressure, pulse, respiration, muscle contraction, nerve impulses, etc.
Heart-lung machine with heat exchanger and experimental pieces, including left to right: two unidentified parts, Blood Filter, Mayo type Blood Filter, Blood Pressure Gauges, Brown Heat Exchanger, Kay-Cross type of Disc Blood Oxygenator An...
Bertrand rectilinear system. Canada. 1953. Dr. Claude Bertrand, the French Canadian neurosurgeon, introduced his pneumotaxic guide in 1953 for the treatment of Parkinson's disease. It was based on the orthogonal system combined with rectolinear...