Closed flow caloric test method
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United States of America Patent
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Feb 26, 1980
Issued Date -
N/A
app pub date -
Jul 21, 1978
filing date -
Feb 23, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of caloric vestibular testing comprises inserting an inflatable receptacle into an ear canal; admitting pressurized calorized fluid into the receptacle to cause its expansion laterally within the ear canal and longitudinally up to the tympanic membrane, such expansion filling the cross-sectional area of at least a portion of the ear canal; while inflating the receptacle, venting air trapped between the receptacle and the tympanic membrane to atmosphere; and circulating a volume of calorized liquid through the receptacle while carrying out a caloric vestibular function testing procedure.
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