Ultrasonic medical treatment apparatus

Details Ultrasonic medical treatment apparatus Ultrasonic medical treatment apparatus

1995-09-15

1998-04-28

Casler, Brian L.

Surgery: kinesitherapy

Kinesitherapy

Ultrasonic

310334, A61B 1722

Patent

active

057438625

ABSTRACT:
An applicator includes a concave piezoelectric oscillator. The concave piezoelectric oscillator comprises a plurality of piezoelectric oscillation plates having equal areas. Each piezoelectric oscillation plate comprises a plurality of piezoelectric oscillator elements. Each piezoelectric oscillator element has a higher resonance frequency in the lateral direction thereof than in the thickness direction thereof.

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Ultrasound in Medicine and Biology, vol. 21, No. 3, pp. 365-377, 1995, "Electronic Beam Steering of Shock Waves"; Cathignol et al. 1994.

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