Surgery – Truss – Perineal
Patent
1974-09-30
1976-11-09
Howell, Kyle L.
Surgery
Truss
Perineal
128 205S, 346 33ME, A61B 700
Patent
active
039904350
ABSTRACT:
An apparatus for detecting breathing abnormalities forms a visual display of the breath sounds of a patient using a time-expanded scale on the order of meters per second to thereby delineate the differentiating sonic characteristics of these sounds. Breathing abnormalities such as coarse and fine rales, which are normally difficult to distinguish from each other, as well as abnormalities such as rhonchi are readily perceived and distinguished, and early diagnosis of diseases such as bronchities and bronchial pneumonia may thereby be facilitated.
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patent: 3181528 (1965-05-01), Brackin
patent: 3188645 (1965-06-01), Trumpy et al.
patent: 3221334 (1965-11-01), Jones, Jr.
patent: 3683398 (1972-08-01), Worley
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