Acoustic lens

Details Acoustic lens Acoustic lens

1993-08-18

1995-05-30

Jaworski, Francis

Surgery

Truss

Pad

12866003, 601 4, A61B 800, A61B 1722

Patent

active

054193354

ABSTRACT:
An acoustic lens having a variable focal length for employment in an acoustic propagation medium has two lens walls, namely an entry wall and an exit wall at least one lens wall being deformable for varying the focal length, a lens liquid located between the lens walls, and a pressure compensation system which maintains the static pressure of the lens liquid the same as the static pressure of the acoustic propagation medium adjoining the deformable lens wall.

REFERENCES:
patent: 4630607 (1986-12-01), Duinker et al.
patent: 4674505 (1987-06-01), Pauli et al.
patent: 4718421 (1988-01-01), Rohwedder et al.
patent: 4745921 (1988-05-01), Nowacki et al.
patent: 5240005 (1993-08-01), Viebach
patent: 5305731 (1994-04-01), Buchholtz

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