CA2290760A1 - Method and apparatus for laser removal of hair - Google Patents

Method and apparatus for laser removal of hair Download PDF

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Publication number
CA2290760A1
CA2290760A1 CA002290760A CA2290760A CA2290760A1 CA 2290760 A1 CA2290760 A1 CA 2290760A1 CA 002290760 A CA002290760 A CA 002290760A CA 2290760 A CA2290760 A CA 2290760A CA 2290760 A1 CA2290760 A1 CA 2290760A1
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CA
Canada
Prior art keywords
hair
area
skin
laser removal
laser energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002290760A
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French (fr)
Other versions
CA2290760C (en
Inventor
David B. Vasily
Peter Ladislaus Dorogi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
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Unilever PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever PLC filed Critical Unilever PLC
Publication of CA2290760A1 publication Critical patent/CA2290760A1/en
Application granted granted Critical
Publication of CA2290760C publication Critical patent/CA2290760C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/203—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser applying laser energy to the outside of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00057—Light
    • A61B2017/00061—Light spectrum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00452—Skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00452—Skin
    • A61B2018/00476—Hair follicles

Abstract

A method for removing hairs from living skin is provided which includes steps of measuring with a colorimeter the color of the area of the skin where the hair is to be removed to obtain a color value, employing the color value to select an optimum range of laser energy necessary to kill hair follicles in the area yet minimize inflammatory reaction, and directing the laser energy of the optimum range at the skin area.
CA002290760A 1998-12-03 1999-11-25 Method and apparatus for laser removal of hair Expired - Fee Related CA2290760C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11073298P 1998-12-03 1998-12-03
US60/110732 1998-12-03
US09/394171 1999-09-13
US09/394,171 US6514242B1 (en) 1998-12-03 1999-09-13 Method and apparatus for laser removal of hair

Publications (2)

Publication Number Publication Date
CA2290760A1 true CA2290760A1 (en) 2000-06-03
CA2290760C CA2290760C (en) 2009-05-26

Family

ID=26808347

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002290760A Expired - Fee Related CA2290760C (en) 1998-12-03 1999-11-25 Method and apparatus for laser removal of hair

Country Status (2)

Country Link
US (2) US6514242B1 (en)
CA (1) CA2290760C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6607523B1 (en) 1999-03-19 2003-08-19 Asah Medico A/S Apparatus for tissue treatment

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US20040015156A1 (en) 2004-01-22
US7029469B2 (en) 2006-04-18
US6514242B1 (en) 2003-02-04
CA2290760C (en) 2009-05-26

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