Surgery – Truss – Pad
Patent
1982-03-16
1984-07-17
Cohen, Lee S.
Surgery
Truss
Pad
73585, A61B 512
Patent
active
044599960
ABSTRACT:
The present invention provides a method and apparatus for diagnosis of various ear pathologies, including the diagnosis of effusions of the middle ear associated with Otitis Media. The method is practiced by determining a quantity related to the complex acoustic impedance of the ear, namely the Vector Sum of an incident signal, propagating down the ear canal, and the same signal reflected from the tympanic membrane and middle ear components. The results obtained are compared with the expected results of a healthy ear.
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Cohen Lee S.
Sykes Angela D.
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