Method and apparatus for air caloric testing for the evaluation

Details Method and apparatus for air caloric testing for the evaluation Method and apparatus for air caloric testing for the evaluation

1976-12-23

1978-08-15

Cohen, Lee S.

Surgery

Truss

Perineal

128 2N, 128 21M, 128401, A61B 1900, A61B 1000

Patent

active

041064968

ABSTRACT:
A caloric testing technique and apparatus for evaluating vestibular ear disorders by independently stimulating the left and right lateral canal receptor organs, using heated and cold air, and measuring the responses in order to obtain an indication of disordered vestibular function. Timed irrigation periods are employed, the periods being adjustable so as to control the magnitudes of the caloric stimulations, and the measurements of responses are made by the electrical recording of eye movements for accurate measurement of nystagmic response intensity.

REFERENCES:
patent: 1819941 (1931-08-01), Brown
patent: 3000271 (1961-09-01), Harvey et al.
patent: 3563231 (1971-02-01), Ducote et al.
patent: 3616796 (1971-11-01), Jackson
patent: 3942515 (1976-03-01), Servos et al.
Proctor et al., "New Approach . . . Receptor", Ann. Otol. 84: 1975, pp. 683-694.
Proctor et al., "Stimulation . . . Aural Inrrigation", Acta Otol. 79: 1975, pp. 425-435.
Capps et al., "Evaluation of the Air Caloric Test . . . , Laryngoscope, vol. 83, Jul. 1973, No. 7, pp. 1013-1021.
Albernaz et al., "The Use of Air . . . Stimulation", Laryngoscope, vol. 82, 1972, pp. 2198-2203.
Aantaa, "Caloric Test with Air", Acto Otol., Supp. 224, vol. 24, 1967, pp 82-85.
Gates et al., "The Thermoelectric Air Stimulator", Acta. Otol., vol. 92, Jul. 1970, pp 80-84.

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