Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Light application
Reexamination Certificate
2001-06-04
2003-11-04
Cohen, Lee (Department: 3739)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Light application
C128S898000, C607S088000
Reexamination Certificate
active
06641600
ABSTRACT:
TECHNICAL FIELD
This invention discloses a process for the cosmetic treatment of acne vulgaris by irradiation of the affected skin areas with light and an apparatus for the application of the process.
BACKGROUND ART
A known process uses UV light for the irradiation of the face. This, however, has the possible disadvantage of erythema formation or an undesirable oxidation of skin pigments.
Also known is a treatment with a cream containing approximately 0.5% benzoyl peroxide. The disadvantage of this treatment is possible skin dryness.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a process and an apparatus for the treatment of acne which not only eliminates the known disadvantages but also results in an excellent cosmetic effect.
REFERENCES:
patent: 4599536 (1986-07-01), Steeger et al.
patent: 4930504 (1990-06-01), Diamantopoulos et al.
patent: 5549660 (1996-08-01), Mendes et al.
patent: 5610477 (1997-03-01), Ivanov et al.
patent: 6183500 (2001-02-01), Köhler
patent: 19724299 (1998-12-01), None
patent: 2190994 (1987-12-01), None
patent: WO 9614899 (1996-05-01), None
Article: “Aknetherapie mit sichtbarem Licht” (“Acne Treatment With Visible Light”), p. 597-603 (See the English language summary of the article in the middle of p. 597-first page).
Wallace, Trudi, “Could a beam of light reduce the lines on your face?” Daily Mail, Jun. 11, 1998, pp. 44-45.
Halle, Martyn, “A lamp to treat acne in safety,” Daily Mail, May 12, 1998, p. 43.
Brooks & Kushman P.C.
Cohen Lee
Johnson, III Henry M.
SLI Lichtsysteme GmbH
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