Methods and systems for ultrasound treatment
First Claim
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1. An ultrasound treatment system comprising:
- a primary energy source configured for delivery of a first ultrasound energy;
a secondary energy source comprising a plurality of mask apertures configured to receive the first ultrasound energy, wherein the primary energy source is configured to concentrate the first ultrasound energy onto the plurality of mask apertures, wherein a first group of the plurality of mask apertures is configured to receive a first portion of the first ultrasound energy and deliver a first distribution of energy fields to a first depth in a treatment region and a second group of the plurality of mask apertures is configured to receive a second portion of the first ultrasound energy and deliver a second distribution of energy fields to a second depth in the treatment region, wherein the secondary energy source is at least partially reflective and reflects a third portion of the first ultrasound energy; and
either the first depth is different than the second depth or the first distribution of energy fields has a different field pattern than the second distribution of energy fields;
an ultrasound absorber that is separate from the primary energy source, the ultrasound absorber configured and positioned to absorb the reflected third portion of the first ultrasound energy; and
an ultrasound emission controller configured to control the emission of the first ultrasound energy from the primary energy source.
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Abstract
A method and system for ultrasound treatment are provided. Acoustic energy, including ultrasound, can serve as input energy to a mask with apertures, such apertures acting as secondary acoustic sources to create a modulated output acoustic energy in a treatment region and treatment effects. Under proper control output energy can be precisely placed and controlled in tissue. In some embodiments, methods and systems are configured for ultrasound treatment based on creating an output energy distribution in tissue. In some embodiments, methods and systems are configured based on creating an output temperature distribution in tissue.
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Citations
15 Claims
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1. An ultrasound treatment system comprising:
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a primary energy source configured for delivery of a first ultrasound energy; a secondary energy source comprising a plurality of mask apertures configured to receive the first ultrasound energy, wherein the primary energy source is configured to concentrate the first ultrasound energy onto the plurality of mask apertures, wherein a first group of the plurality of mask apertures is configured to receive a first portion of the first ultrasound energy and deliver a first distribution of energy fields to a first depth in a treatment region and a second group of the plurality of mask apertures is configured to receive a second portion of the first ultrasound energy and deliver a second distribution of energy fields to a second depth in the treatment region, wherein the secondary energy source is at least partially reflective and reflects a third portion of the first ultrasound energy; and
either the first depth is different than the second depth or the first distribution of energy fields has a different field pattern than the second distribution of energy fields;an ultrasound absorber that is separate from the primary energy source, the ultrasound absorber configured and positioned to absorb the reflected third portion of the first ultrasound energy; and an ultrasound emission controller configured to control the emission of the first ultrasound energy from the primary energy source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An ultrasound treatment system comprising:
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a primary energy source configured for delivery of a first ultrasound energy; a mask comprising a plurality of apertures configured to receive the first ultrasound energy and convert the first ultrasound energy into a plurality of secondary energy sources, wherein the primary energy source is configured to concentrate the first ultrasound energy onto the plurality of mask apertures, wherein a first group of the plurality of apertures is configured to receive a first portion of the first ultrasound energy and deliver a first distribution of energy fields to a first depth in a treatment region and a second group of the plurality of apertures is configured to receive a second portion of the first ultrasound energy and deliver a second distribution of energy fields to a second depth in the treatment region, wherein either the first depth is different than the second depth or the first distribution of energy fields has a different field pattern than the second distribution of energy fields, wherein the mask is at least partially reflective and reflects a third portion of the first ultrasound energy; an ultrasound absorber that is separate from the primary energy source, the ultrasound absorber configured and positioned to absorb the reflected third portion of the first ultrasound energy; and an ultrasound emission controller configured to control the primary energy source such that, in use, the first distribution of energy fields is configured to create a thermal effect at the first depth and the second distribution of energy fields is configured to create a non-thermal effect at the second depth. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification