Methods And Devices For Fractional Ablation Of Tissue
First Claim
Patent Images
1. A method for treating a volume of skin tissue comprising:
- generating optical radiation suitable for ablating skin tissue;
ablating portions of the volume of skin tissue with the optical radiation;
wherein the ablated portions form a set of grooves in the volume of skin tissue, separated by areas of unablated skin tissue.
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Abstract
Methods and devices for ablating portions of a tissue volume with electromagnetic radiation (EMR) to produce lattices of EMR-treated ablation islets in the tissue are disclosed, including lattices of micro-holes, micro-grooves, and other structures. Also, methods and devices for using the ablated islets are disclosed, including to deliver chromophores, filler, drugs and other substances to the tissue volume.
244 Citations
80 Claims
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1. A method for treating a volume of skin tissue comprising:
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generating optical radiation suitable for ablating skin tissue; ablating portions of the volume of skin tissue with the optical radiation; wherein the ablated portions form a set of grooves in the volume of skin tissue, separated by areas of unablated skin tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. A method of ablating portions of soft tissue comprising:
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generating electromagnetic radiation having at least one wavelength component suitable for ablating soft tissue; applying the electromagnetic radiation to the portions of soft tissue for a time sufficient to ablate the portions of soft tissue; wherein the ablated portions of soft tissue form in the soft tissue a plurality of elongated voids that are separated by unablated soft tissue. - View Dependent Claims (51, 52, 53, 54, 55, 56, 57)
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58. A method for treating soft tissue comprising:
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producing electromagnetic radiation having at least one wavelength component suitable for ablating soft tissue; and forming a set of grooves in the soft tissue by ablating the soft tissue with the electromagnetic radiation; wherein a condition of the soft tissue is improved after the soft tissue heals. - View Dependent Claims (59, 60, 61, 62, 63, 64, 65)
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66. A device for treating soft tissue comprising:
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a source of electromagnetic radiation; an output aperture; a transmission path extending from the source of the electromagnetic radiation to the output aperture, and configured to deliver the electromagnetic radiation to the soft tissue; wherein the output aperture is configured to emit electromagnetic radiation in a pattern of elongated segments; and wherein the source is configured to generate sufficient electromagnetic radiation to ablate tissue within the selected region during operation to produce a pattern of elongated segments in the tissue. - View Dependent Claims (67, 68, 69, 70, 71, 72, 73, 74, 75, 76)
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77. A device for treating soft tissue comprising:
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a source of electromagnetic radiation; a scanning device configured to deliver the optical radiation to the soft tissue; and an output aperture; wherein the scanning device is configured to translate the beam within a treatment region of tissue during operation such that the beam ablates a portion of the tissue in the treatment region to form a pattern of elongated segments in the tissue.
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78. A device for treating soft tissue comprising:
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a source of electromagnetic radiation configured to produce electromagnetic radiation having at least one wavelength component suitable for ablating soft tissue; an array of output apertures; a optical path extending from the source of the optical radiation to the output apertures of the array, and configured to deliver the optical radiation to soft tissue through the output apertures; a motion sensor; and a controller configured to control the source of electromagnetic radiation based on signals from the motion sensor; wherein the device is configured to ablate soft tissue by applying the electromagnetic radiation through the output apertures as the output widow is moved across the soft tissue, the device thereby forming grooves in the soft tissue.
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79. A device for treating soft tissue comprising:
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a set of sources of electromagnetic radiation, each source of the set configured to produce electromagnetic radiation having at least one wavelength component suitable for ablating soft tissue, and further configured to deliver the electromagnetic radiation to soft tissue adjacent the device during operation; a motion sensor; and a controller configured to control the sources of electromagnetic radiation based on signals from the motion sensor; wherein the device is configured to ablate soft tissue by applying the electromagnetic radiation to the soft tissue the device is moved across the soft tissue, the device thereby forming grooves in the soft tissue.
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80. A device for treating soft tissue comprising:
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a set of sources of electromagnetic radiation, each source of the set configured to produce electromagnetic radiation having at least one wavelength component suitable for ablating soft tissue, and further configured to deliver the electromagnetic radiation to soft tissue in a beam elongated in one direction; wherein the device is configured to ablate soft tissue by applying the electromagnetic radiation to the soft tissue, the device thereby forming grooves in the soft tissue.
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Specification