Methods and apparatus for measuring body composition

Details Methods and apparatus for measuring body composition Methods and apparatus for measuring body composition

1995-06-07

1997-01-21

Hindenburg, Max

Surgery

Truss

Pad

73433, A61B 5103

Patent

active

055951899

ABSTRACT:
A system for measuring body fat percentage is disclosed. The system relies upon the measurement of a subject's weight in two gases of different densities. The difference in weight, along with the difference in atmospheric density, is used to determine the subject's density. Implementing Archimedes' principle of binary mixtures, this figure is used to determine the proportion by weight of fat in the subject. The weight of the subject is measured with a precision balance. The density of the gas is determined with an ultrasonic probe that senses the change in sonic velocity, which is related to the density of the atmosphere.

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patent: 4184371 (1980-01-01), Brachet
patent: 5052405 (1991-10-01), Batchelder

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