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1. WO1999004711 - HAIR REMOVAL USING PHOTOSENSITIZER AND LASER

Publication Number WO/1999/004711
Publication Date 04.02.1999
International Application No. PCT/US1998/015222
International Filing Date 23.07.1998
Chapter 2 Demand Filed 24.02.1999
IPC
A61B 18/20 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
18by applying electromagnetic radiation, e.g. microwaves
20using laser
A61N 5/06 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
06using light
A61N 5/067 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
06using light
067using laser light
CPC
A45D 26/00
AHUMAN NECESSITIES
45HAND OR TRAVELLING ARTICLES
DHAIRDRESSING OR SHAVING EQUIPMENT
26Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers
A61B 18/203
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
18by applying electromagnetic radiation, e.g. microwaves
20using laser
203applying laser energy to the outside of the body
A61B 2017/00761
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
00743Type of operation; Specification of treatment sites
00747Dermatology
00761Removing layer of skin tissue, e.g. wrinkles, scars or cancerous tissue
A61B 2017/22085
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
22Implements for squeezing-off ulcers or the like on ; the inside of; inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; ; Apparatus for removing obstructions in blood vessels, not otherwise provided for
22082after introduction of a substance
22085light-absorbing
A61B 2018/00452
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
00315for treatment of particular body parts
00452Skin
A61B 2018/00476
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
00315for treatment of particular body parts
00452Skin
00476Hair follicles
Applicants
  • THERMOLASE CORPORATION [US]/[US]
Inventors
  • TANKOVICH, Nikolai, I.
Agents
  • WAINER, Jonathan, J.
Priority Data
08/900,17825.07.1997US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) HAIR REMOVAL USING PHOTOSENSITIZER AND LASER
(FR) ELIMINATION DES POILS PAR AGENT PHOTOSENSIBILISANT ET LASER
Abstract
(EN) A device and process for the permanent removal of unwanted human hair. Hair on a section of skin is contaminated with a substance having high absorption of a frequency band of light. The skin is illuminated with light at this frequency band at sufficient intensity and duration to kill the follicles or the skin tissue feeding the hair. Specific embodiments to produce death of the follicles or the skin tissues feeding the hair by heating and by photochemical reaction.
(FR) L'invention concerne un dispositif et un procédé visant à éliminer définitivement les poils non désirés chez l'être humain. On contamine les poils d'une partie de peau avec une substance à absorption élevée d'une bande de fréquences de la lumière. On illumine ensuite la peau en utilisant une lumière ayant la bande de fréquences considérée, selon une intensité et une durée suffisantes, de manière à détruire les follicules ou le tissu de la peau qui entretiennent la vie des poils. Selon des variantes spécifiques, on détruit les follicules ou les tissus de la peau qui entretiennent la vie des poils en produisant un échauffement et en conduisant ensuite une réaction photochimique.
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