Method and apparatus treating area of the skin by using...

Details Method and apparatus treating area of the skin by using... Method and apparatus treating area of the skin by using...

2005-12-28

2009-12-22

Johnson, III, Henry M (Department: 3769)

Surgery

Instruments

Light application

C606S001000, C607S088000

Reexamination Certificate

active

07635362

ABSTRACT:
The invention relates to a method and apparatus for multipulse laser treatments on a spot target by using a CO2laser system and a laser beam scanner attached at the end of the delivery system. The laser system is controlled to emit a laser macropulse consisting of a series of micropulses with pulse durations in the range of microseconds to a few milliseconds. The first group of pulses is delivered to cause minimal thermal damage to the peripheral area in the epidermis and dermis, while creating a pinhole epidermal window down into the dermis, through which the subsequent pulses, which are longer in pulse duration and lower in energy, deliberately create thermal diffusion through conducted heat to create thermal damage in the targeted area of the dermis.

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patent: 7217267 (2007-05-01), Jay

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