Methods and devices for tissue ablation
First Claim
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1. A method of causing live skin to tighten comprising:
- with a device comprising a plurality of vaporizing elements;
heating the vaporizing elements; and
using the device to advance the plurality of vaporizing elements to a depth which is smaller or equal to a papillary dermis depth within the live skin, and retract the vaporizing elements from the live skin after a short duration such that when the vaporizing elements are in the skin, the vaporizing elements are not in contact with a heating element, the short duration being short enough to prevent collateral damage further than 150 microns from any one hole of a plurality of holes vaporized in the epidermis by the vaporizing elements, inducing the live skin to tighten.
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Abstract
A device for vaporizing a hole in tissue, including a vaporizing element, a heating element, configured to heat the vaporizing element, and a mechanism configured to advance the vaporizing element into a specific depth in the tissue and retract the vaporizing element from the tissue within a period of time long enough for the vaporizing element to vaporize the tissue and short enough to limit diffusion of heat beyond a predetermined collateral damage distance from the hole. Related apparatus and methods are also described.
79 Citations
29 Claims
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1. A method of causing live skin to tighten comprising:
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with a device comprising a plurality of vaporizing elements; heating the vaporizing elements; and using the device to advance the plurality of vaporizing elements to a depth which is smaller or equal to a papillary dermis depth within the live skin, and retract the vaporizing elements from the live skin after a short duration such that when the vaporizing elements are in the skin, the vaporizing elements are not in contact with a heating element, the short duration being short enough to prevent collateral damage further than 150 microns from any one hole of a plurality of holes vaporized in the epidermis by the vaporizing elements, inducing the live skin to tighten. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A device for causing live skin to tighten, comprising:
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a plurality of vaporizing elements; a heating element, configured to heat the vaporizing elements; and a mechanism configured to advance the vaporizing elements into a specific depth in the skin which is smaller or equal to a papillary dermis depth within the live skin and retract the vaporizing elements from the skin within a short period of time producing a plurality of holes in the skin, such that when the vaporizing elements are in the skin, the vaporizing elements are not in contact with a heating element and the short time being short enough to prevent collateral damage further than 150 microns from any one hole of a plurality of holes vaporized in the epidermis. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification