Skin wrinkle reduction using pulsed light
US6881212B1 · kind B1 · utility
77Cited by
6References
28Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 3, 2000 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | Mar 3, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0662
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Wrinkles are cosmetically removed from a superficial area of mammalian skin tissue having an epidermal layer, a basal layer, and a dermal layer, by irradiating the dermal layer through the basal layer, the irradiation having an energy density in the range 5J/cm2 or less, and being selected to be absorbed by a chromophore in the dermal layer such that collagen present in the dermal layer is heated, while the basal layer remains intact so as to substantially inhibit contact of the dermal layer with ambient air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.