Subcutaneous neural stimulation or local tissue destruction

Details Subcutaneous neural stimulation or local tissue destruction Subcutaneous neural stimulation or local tissue destruction

1979-10-04

1982-08-10

Pellegrino, Stephen C.

Surgery

Truss

Perineal

A61H 2300, A61H 3900

Patent

active

043433014

ABSTRACT:
A method of generating a high energy density at any point in the body, noninvasively, by two high frequency sonic beams creating a low frequency beating pattern at their intersection locus. One method provides for two transducers at different angular positions. Each transducer produces a beam pattern of high frequency. One transducer produces a high frequency which is higher by a predetermined quantity than the other. At their point of intersection, the sonic oscillations add and subtract, producing a low frequency beat equal to the predetermined quantity. This high energy low frequency beat can be used to stimulate neural points in the skull or other parts of the body or for tissue destruction. In a related method, the high frequency beams are set in axial alignment so that the frequency generating output is fixed between the transducers. A master modulator can then be used to electronically vary the position of the intersecting locus along the axial line connecting the transducers.

REFERENCES:
patent: 2968302 (1961-01-01), Fry et al.
patent: 3499437 (1970-03-01), Balamuth
patent: 3987673 (1976-10-01), Hansen
patent: 4023574 (1977-05-01), Nemec
patent: 4105024 (1978-08-01), Raffel
patent: 4153061 (1979-05-01), Nemec
Fry et al.; The Use of Ultrasound in Neurosurgery; 3rd International Conference on Medical Electronics, London, 1960.

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