Ear probe for use in closed-loop caloric irrigation

Details Ear probe for use in closed-loop caloric irrigation Ear probe for use in closed-loop caloric irrigation

1978-10-19

1981-01-13

Michell, Robert W.

Surgery

Truss

Pad

128746, 128401, 128151, A61B 500, A61B 1000

Patent

active

042443776

ABSTRACT:
An ear probe for use in closed-loop caloric irrigation including a manifold and balloon, the manifold conducting fluid flow into and out of the balloon concentrically, the balloon being a one-piece, elongate, cylindrical member formed from an elastic material and having open and closed ends and sections of different diameters and thicknesses. One section is inflatable, having a small diameter and a minimum thickness to permit insertion into the ear canal and inflation into contact with the inner ear. Another section has a relatively large outside diameter and a substantial thickness so as to contact the exterior ear and limit movement of the balloon into the ear canal. An intermediate section has a relatively small diameter to permit insertion into the ear canal and an increased thickness to prevent inflation thereof, the intermediate section providing a return flow channel for fluid conducted through the balloon.

REFERENCES:
patent: 726009 (1903-04-01), Whisler
patent: 824071 (1906-06-01), Faber et al.
patent: 2190384 (1940-02-01), Newman
patent: 2826000 (1958-03-01), Fischman et al.
patent: 3049125 (1962-08-01), Kriwkowitsch
patent: 3848607 (1974-11-01), St. Clair
patent: 4102342 (1978-07-01), Akiyama et al.
Foti, Thos. et al., "A Closed Flow Water Caloric System", JNMA vol. 69 No. 5, 6/77 pp. 303-305.
Ono, H. et al., "A New Caloric Tester Using an Ear Canal Balloon", Revue de Laryngologie, Otologie and Rhinologie, vol. 97, Nos. 5-6, May-Jun. 1976 pp. 223-230.

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