THERAPY APPARATUS WITH SEQUENTIAL FUNCTIONING
First Claim
1. Therapy apparatus for the treatment of tissue by the emission of focused ultrasound waves, characterised in that it comprises:
- a probe (1) comprising a transducer (2) formed by ultrasound elements (3) distributed into several categories (N1 to NM) on an emission face of focused ultrasound waves (8) which is a revolution surface engendered by the rotation of a segment of a curve about an axis of symmetry, the categories of ultrasound elements defining independent and substantially contiguous focal volumes,and a control circuit (7) comprising a signal generator controlled to activate independently, alternatively and substantially consecutively the categories of ultrasound emitters so as to ensure continuous insonification according to a crown originating from different categories of ultrasound emitters.
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Abstract
A therapy apparatus for treating tissues by emission of focused ultrasound waves, includes a probe having a transducer formed by ultrasound elements distributed in several categories (N1 to NM) on a face for emission of focused ultrasound waves which is a surface of revolution generated by the rotation of a curve segment around an axis of symmetry, with the categories of ultrasound elements define independent and substantially contiguous focal volumes, and a control circuit including a signal generator for independently activating, alternately and substantially consecutively, the ultrasound emitter categories in such a way as to ensure continuous insonification in a ring shape originating from different categories of ultrasound emitters.
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Citations
13 Claims
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1. Therapy apparatus for the treatment of tissue by the emission of focused ultrasound waves, characterised in that it comprises:
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a probe (1) comprising a transducer (2) formed by ultrasound elements (3) distributed into several categories (N1 to NM) on an emission face of focused ultrasound waves (8) which is a revolution surface engendered by the rotation of a segment of a curve about an axis of symmetry, the categories of ultrasound elements defining independent and substantially contiguous focal volumes, and a control circuit (7) comprising a signal generator controlled to activate independently, alternatively and substantially consecutively the categories of ultrasound emitters so as to ensure continuous insonification according to a crown originating from different categories of ultrasound emitters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification