Double chamber acoustical tonometer

Details Double chamber acoustical tonometer Double chamber acoustical tonometer

1988-09-23

1990-06-05

Sykes, Angela D.

Surgery

Truss

Pad

128739, 128774, A61B 810

Patent

active

049305077

ABSTRACT:
An acoustical tonometer having an ocular chamber in which a target eye is positionable, a drive chamber containing an acoustical generator and an inertia tube connecting the two chambers. Sound waves produced in the drive chamber are used to excite the target eye. The behavior of the eye on the resonant response of the system is used to determine the health of the eye.

REFERENCES:
patent: 3070087 (1962-12-01), Sittel
patent: 3192765 (1965-07-01), Keiper
patent: 3308653 (1967-03-01), Roth
patent: 3613666 (1971-10-01), Hobbs
patent: 3763696 (1973-10-01), Krakau
patent: 4192317 (1980-03-01), Munnerlyn et al.
patent: 4217912 (1980-08-01), Hubmann et al.
patent: 4771792 (1988-09-01), Seale
Hamelink et al.; "Ocular Tonometry Through Sonic Excitation and Laser Doppler Velocimetry"; Journal of Biomech. Engineering, vol. 101, 11-1979, pp. 261-270.
Survey of Ophthalmology, vol. 24, No. 4, Jan.-Feb. 1980, pp. 211-217.

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