Method and apparatus for measuring lung density by Compton backs

Details Method and apparatus for measuring lung density by Compton backs Method and apparatus for measuring lung density by Compton backs

1990-01-29

1991-04-02

Smith, Ruth S.

Surgery

Truss

Pad

128716, 378 89, A61B 600

Patent

active

050039806

ABSTRACT:
The density of the lung of a patient suffering from pulmonary edema is monitored by irradiating the lung by a single collimated beam of monochromatic photons and measuring the energies of photons Compton backscattered from the lung by a single high-resolution, high-purity germanium detector. A compact system geometry and a unique data extraction scheme are utilized to monimize systematic errors due to the presence of the chestwall and multiple scattering.

REFERENCES:
patent: 2997586 (1961-08-01), Scherbatskoy
patent: 3183351 (1965-05-01), White
patent: 3470372 (1969-09-01), Bayly
patent: 3961186 (1976-06-01), Leunbach
patent: 4123654 (1978-10-01), Reiss et al.
patent: 4224517 (1980-09-01), Lubecki et al.

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