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AssigneeThe Regents of the University of Michigan
InventorsLingjie Jay Guo, Hyoung Won Baac
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A high-frequency light-generated focused ultrasound (LGFU) device is provided. The device has a source of light energy, such as a laser, and an optoacoustic lens comprising a concave composite layer with a plurality of light absorbing particles that absorbs laser energy, e.g., carbon nanotubes, and a polymeric material that rapidly expands upon exposure to heat, e.g., polydimethylsiloxane. The laser energy is directed to the optoacoustic lens and thus can generate high-frequency (e.g., ≧10 MHz) and high-amplitude pressure output (e.g., ≧10 MPa) focused ultrasound. The disclosure also provides methods of making such new arcuate optoacoustic lenses, as well as methods for generating and using the high-frequency and high-amplitude ultrasound, including for surgery, like lithotripsy and ablation.
A high-frequency light-generated focused ultrasound (LGFU) device, comprising:
A method of making a focused optoacoustic lens for a high-frequency light-generated focused ultrasound, the method comprising:
A method of generating a high-frequency and high-amplitude focused ultrasound, the method comprising:
A method for surgery, lithotripsy, or ablation employing ultrasound energy, the method comprising:
Dependencies are inferred from the claim text.