[특허]Hair removal method

[미국특허] Hair removal method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/36 A61B-017/50
출원번호	US-0492283 (1995-06-19)
발명자 / 주소	Tankovich Nikolai Episcopo Richard G. Sverdrup Lawrence
출원인 / 주소	ThermoLase Corporation
대리인 / 주소	Fish & Richardson P.C.
인용정보	피인용 횟수 : 52 인용 특허 : 0

초록 ▼

The present invention provides a process for the destruction of unwanted human hair. Hair ducts in a section of skin in which the unwanted hair are growing is contaminated with a contaminant having a high absorption at at least one frequency band of light. The skin section is then illuminated with light at the frequency band of high absorption so as to impact sufficient energy to the contaminant so as to cause death to the hairs growing in the ducts. In a preferred embodiment the contaminant is a mixture of 1 micron graphite particles in mineral oil and each section is illuminated with about 5 laser pulses at 1.06 micron wavelength produced by a Nd:YAG laser, each pulse having an energy density of about 3 Joules/cm.sup.2 and a pulse width of about 10 nanoseconds. In another preferred embodiment the hairs in the section of skin being treated are pulled out prior to application of the contaminant so as to provide more space for the contaminant in the hair duct. In still another preferred embodiment a portion of the hairs below the skin surface is removed with a depilatory. In still another preferred embodiment C.sub.60 molecules, buckey balls, are the absorbing elements in the contaminant.

대표청구항 ▼

[ I claim:] [1.] A process for inhibiting growth of a plurality of hairs growing in hair ducts on a section of human skin comprising the steps of:(a) applying to said hairs and skin section a contaminant having a high absorption at at least one frequency band of light, said application being performed in a manner so as to assure that at least a portion of said contaminant infiltrates into said hair ducts,(b) illuminating said skin section with a plurality of short pulses of light at said at least one frequency band, the first of said short pulses having sufficient energy to cause a plurality of explosions in said contaminant so as to spread said contaminant in said hair ducts and subsequent pulses having sufficient energy to cause further explosions in said contaminant to further spread said contaminant toward the base of said hair ducts, said explosions and energy transferred to and from said contaminant causing damage to skin tissue surrounding the base of said hair ducts so as to cause long term inhibition of growth of at least a portion of the hairs growing in said ducts.

이 특허를 인용한 특허 (52) 인용/피인용 타임라인 분석

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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
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[미국특허] Hair removal method 원문보기

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