System and method for variable depth ultrasound treatment
First Claim
1. A non-invasive ultrasound treatment system for providing treatment to a patient, the non-invasive ultrasound treatment system comprising:
- a variable depth transducer comprising a transduction element and a variable depth element, the variable depth transducer operable to provide non-invasive treatment to tissue at least two depths in a patient, the transduction element comprising at least one surface configured to emit acoustic energy, the variable depth element comprising a frequency dependent device configured for spatial control of a focal depth and position of the treatment to the tissue by changing a frequency of the acoustic energy emitted by the at least one surface of the transduction element; and
a controller in communication with the variable depth transducer, the controller comprising a control of the spatial control and a control of a frequency range of the acoustic energy.
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Abstract
A non-invasive variable depth ultrasound treatment method and system comprises a variable depth transducer system configured for providing ultrasound treatment to a patient. An exemplary variable depth transducer system can comprise a transducer configured to provide treatment to more than one region of interest, such as between a deep treatment region of interest and a superficial region of interest, and/or a subcutaneous region of interest. The variable depth transducer can comprise a transduction element having a piezoelectrically active layer, matching layers and/or other materials for generating radiation or acoustical energy. The variable depth transducer may be configured to operate at moderate frequencies within the range from approximately 750 kHz to 20 MHz or more. In addition, the transduction element may be configured with a variable depth device comprising one or more materials configured to allow for control and focusing/defocusing of the acoustic energy to more than one region of interest.
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Citations
29 Claims
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1. A non-invasive ultrasound treatment system for providing treatment to a patient, the non-invasive ultrasound treatment system comprising:
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a variable depth transducer comprising a transduction element and a variable depth element, the variable depth transducer operable to provide non-invasive treatment to tissue at least two depths in a patient, the transduction element comprising at least one surface configured to emit acoustic energy, the variable depth element comprising a frequency dependent device configured for spatial control of a focal depth and position of the treatment to the tissue by changing a frequency of the acoustic energy emitted by the at least one surface of the transduction element; and a controller in communication with the variable depth transducer, the controller comprising a control of the spatial control and a control of a frequency range of the acoustic energy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An ultrasound system for providing energy deposition at more than one depth, the system comprising:
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a variable depth transducer system comprising a transducer and a variable depth element, the variable depth transducer operable to provide energy deposition into tissue comprising at least a deep region and an inner region, the transducer comprising at least one surface configured to emit ultrasound energy at a frequency, the variable depth element comprising a frequency dependent device configured for spatial control of a focal depth of the energy deposition into the tissue by changing the frequency of the ultrasound energy emitted from the at least one surface of the transducer; and a controller in communication with the transducer and the variable depth element, the controller comprising a control of a frequency range of the ultrasound energy emitted from the at least one surface of the transducer. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. An ultrasound system for providing energy deposition at more than one depth, the system comprising:
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a variable depth transducer system comprising a transducer having at least one surface configured to emit energy to a region of interest at a frequency, and a variable depth element comprising a frequency dependent device configured to simultaneously convert the energy, emitted by the at least one surface of the transducer, into at least three different frequencies and provide energy deposition to at least three different depths in the region of interest; and a controller in communication with the transducer and the variable depth element, the controller comprising a control of a frequency range of the energy emitted by the at least one surface of the transducer.
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Specification