Surgery – Instruments – Means for removal of skin or material therefrom
Reexamination Certificate
1999-07-11
2001-08-21
Hirsch, Paul J. (Department: 3732)
Surgery
Instruments
Means for removal of skin or material therefrom
C606S131000
Reexamination Certificate
active
06277128
ABSTRACT:
FIELD OF INVENTION
The present invention relates generally to abrasion devices for removing surface material. More particularly, it relates to an abrasion device for removing the surface of the human tissue, particularly the skin, having an abrasion chamber with a slot through which an abrasive material passes to abrade a surface. In some embodiments, the abrasive material flows in a generally helical, spiral, or vortex path.
BACKGROUND OF THE INVENTION
The removal of the exterior surface of the skin has been used to provide softer skin for years. Typically, this has taken the form of a scrub which a user may apply to the a portion of the body, frequently the face, and the scrub material is rubbed around on the skin abrading off the outermost layer of skin cells. The user then rinses off both the scrub and the removed skin tissue.
In today's society, removal of the outer layer of skin tissue has become widely used. Application of this type of treatment is used to fade and sometimes even remove scars, stretch marks, and other blemishes on the skin, to decreases the appearance of wrinkles and other sign of aging, etc.
As our society has more and more of a desire to have smooth, clear, young-looking skin, the demand for systems to perform the removal of the outer layer of skin will increase. To achieve the desired results, the systems need to work easily, safely and effectively.
SUMMARY OF THE INVENTION
The present invention takes the form of a nozzle with an abrasion chamber for removal of the outermost layer of skin and the skin treatment system for use therewith. The abrasive material flows across a slot formed in the abrasion chamber. The path of the abrasive material may be generally helical. In the preferred helical embodiments, the paths are either vertically or horizontally oriented within the abrasion nozzle. To promote the spiral path of the material, some embodiments feed the abrasive material into the abrasion chamber at an angle causing the material to flow down the curved sidewall of a generally cylindrical abrasion chamber, thereby encouraging the spiral path. Other objects and advantages of the invention will no doubt occur to those skilled in the art upon reading and understanding the following detailed description along with the accompanying drawings.
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Hirsch Paul J.
Leary James J.
Titus Carol D.
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