Surgery – Truss – Pad
Patent
1985-02-08
1986-07-08
Howell, Kyle L.
Surgery
Truss
Pad
128689, 128726, A61B 508
Patent
active
045987009
ABSTRACT:
A portable apparatus which enables the user to measure his pulse rate and pulmonary volume during exercise comprises a single case equipped with a neck cord and comprising all of the elements necessary for taking such measurements, i.e., a mouth-piece into which to exhale, a switch, an electro-optical display, means for measuring the volume of exhaled air, pulse sensing means, electronic circuits and batteries.
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Iton et al, "Non-Invasive Respiratory Function Monitoring System," Proceedings of the Vth ICEBI, Aug. 1981, pp. 341-344.
Howell Kyle L.
Smith Ruth S.
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