Single chamber acoustical tonometer

Details Single chamber acoustical tonometer Single chamber acoustical tonometer

1988-09-23

1990-08-07

Sykes, Angela D.

Surgery

Truss

Pad

128649, 128739, 128774, A61B 316

Patent

active

049459139

ABSTRACT:
The compliance of human tissue is determined by impinging a target area with acoustical energy over a range of frequencies. The target is dynamically sealed within a chamber and the pressure response produced in the chamber over the frequency range is measured. The characteristic of the frequency response is related directly to the compliance of the target.

REFERENCES:
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patent: 3192765 (1965-07-01), Keiper
patent: 3308653 (1967-03-01), Roth
patent: 3545260 (1970-12-01), Lichtenstein et al.
patent: 3613666 (1971-10-01), Hobbs
patent: 3690158 (1972-09-01), Lichtenstein et al.
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. Engr., vol. 101, 11-1979, pp. 267-270.
Survey of Ophthalmology, vol. 24, No. 4, Jan.-Feb. 1980, pp. 211-217.

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