Hydro-acoustic massage system and method

Details Hydro-acoustic massage system and method Hydro-acoustic massage system and method

1995-09-29

1997-12-09

DeMille, Dante D.

Surgery: kinesitherapy

Kinesitherapy

Vibrator

601 55, 601 56, 601148, 5666, 5674, A61H 2300

Patent

active

056954557

ABSTRACT:
A massage apparatus includes a flexible bladder filled with a fluid and a plurality of bladder displacement devices coupled to the flexible bladder for displacing the flexible bladder in accordance with a specified displacement plan. A signal source is coupled to the bladder displacement devices to provide the specified displacement plan. The signal source outputs first and second frequency modulated (FM) signals. The FM signals are identical in spectrum and start at zero phase, but are propagated 180.degree. out-of-phase with respect to one another. The first FM signal is fed to one half of the bladder displacement devices and the second FM signal is fed to the other half of bladder displacement devices. The FM signals are controlled in such a way that vibrational energy travels in the fluid-filled bladder for coupling to a user reclined on the bladder while ambient vibration of the apparatus is canceled.

REFERENCES:
patent: 3085568 (1963-04-01), Whitesell
patent: 4507816 (1985-04-01), Smith
patent: 5097821 (1992-03-01), Eakin
patent: 5113852 (1992-05-01), Murtonen
patent: 5314403 (1994-05-01), Shaw

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