Transdermal drug delivery and analyte extraction
DC CAFCFirst Claim
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1. A device for ablating stratum corneum epidermidis of skin on the body of a subject, comprising:
- a plurality of electrodes, which are adapted to be applied to the skin of the subject at respective points; and
a power source, which is adapted to apply electrical energy between two or more of the plurality of electrodes, to cause ablation of an area of the stratum corneum during a first time period, so as to facilitate passage of a substance through the ablated area during a second time period, subsequent to the first time period.
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Abstract
A device for ablating the stratum corneum epidermidis of a subject, including a plurality of electrodes, which are applied to the subject'"'"'s skin at respective points. A power source applies electrical energy between two or more of the plurality of electrodes, in order to cause ablation of the stratum corneum primarily in an area intermediate the respective points.
272 Citations
36 Claims
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1. A device for ablating stratum corneum epidermidis of skin on the body of a subject, comprising:
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a plurality of electrodes, which are adapted to be applied to the skin of the subject at respective points; and a power source, which is adapted to apply electrical energy between two or more of the plurality of electrodes, to cause ablation of an area of the stratum corneum during a first time period, so as to facilitate passage of a substance through the ablated area during a second time period, subsequent to the first time period. - 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)
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28. A device for passing electrical current through skin on the body of a subject, comprising:
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a power source, which is adapted to generate the current; a plurality of electrodes, which are adapted to be applied to the skin at respective points; and an electrically conductive dissolving element coupled to at least one of the electrodes, the element being adapted to have a dissolving rate generally proportional to the current passing therethrough, and to become substantially nonconductive responsive to a function of the current passing therethrough.
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29. A device for ablating stratum corneum epidermidis of skin on the body of a subject, comprising:
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a plurality of electrodes, which are adapted to be applied to the skin of the subject at respective points; and a power source, which is adapted to apply, between two or more of the plurality of electrodes, an alternating electric current so as to cause ablation of the stratum corneum. - View Dependent Claims (30, 31)
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32. A device for ablating stratum corneum epidermidis of skin of a subject, comprising:
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a plurality of electrodes, which are adapted to be applied to the skin of the subject at respective points, such that two of the points are spaced less than about 0.3 mm apart; and a power source, which is adapted to apply electrical energy between the two electrodes applied to the skin at the two points, to cause ablation of the stratum corneum. - View Dependent Claims (33, 34, 35, 36)
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Specification