US2009299237A1PendingUtilityA1

Microdermabrasion devices, compositions, and methods

Assignee: DERMANEW INCPriority: Oct 4, 1999Filed: Aug 11, 2009Published: Dec 3, 2009
Est. expiryOct 4, 2019(expired)· nominal 20-yr term from priority
Inventors:Dean L. Rhoades
A45D 2200/1054A61B 2017/00761A61H 2201/0153A61B 17/54A45D 2200/1018A61Q 19/00A61H 7/005A61Q 19/08A61H 23/0263A45D 34/042A61H 2205/022A61K 8/26A45D 2200/207A61H 2201/1692A45D 34/041A61H 2201/1635A61K 2800/28A61B 2017/320004A61H 23/0254
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Claims

Abstract

A composition including a base and a plurality of abrasive particles. An apparatus including a head, and an applicator coupled to the head, the applicator having dimensions suitable for contacting localized areas of human skin. A method including applying a composition to an area of human skin, the composition comprising a base and a plurality of abrasive particles, and manipulating the composition over the area of human skin with a handle-operated instrument.

Claims

exact text as granted — not AI-modified
1 . A method comprising:
 applying a composition to an area of human skin, the composition comprising a base and a plurality of abrasive particles having an average particle size in the range of 50 microns to 556 microns; and   manipulating the composition over the area of human skin with an apparatus, the apparatus having a head portion and a handle portion coupled to the head portion and suitable for gripping by a human hand, the handle portion comprising:
 a first member extending from a surface of the head portion, 
 a second member coupled to the first member at an angle, and 
 an applicator comprising a porous mass coupled to the head portion and having dimensions suitable for contacting localized areas of human skin. 
   
   
   
       2 . The method of  claim 1 , wherein manipulating comprises:
 at least one of vibrating and spinning the applicator.   
   
   
       3 . The method of  claim 1 , further comprising:
 heating the applicator.   
   
   
       4 . The method of  claim 1 , further comprising:
 propagating sonic waves through the applicator.   
   
   
       5 . The method of  claim 1 , wherein the porous mass has a pore size that is at least as large as the average particle size of the abrasive particles. 
   
   
       6 . The method of  claim 1 , wherein the porous mass has a pore size that enables the abrasive particles to move within the porous mass during manipulation of the composition. 
   
   
       7 . A composition comprising:
 a base suitable for application to human skin; and   a plurality of abrasive particles having an average particle size of about 34 micrometers to about 556 micrometers suspended in the base.   
   
   
       8 . The composition of  claim 7 , further comprising:
 at least one of a vitamin, a mineral, an antioxidant, a cleanser, and an emulsifier.   
   
   
       9 . The composition of  claim 7 , further comprising:
 a moisturizer.   
   
   
       10 . The composition of  claim 9 , wherein the moisturizer comprises:
 at least one of a liquid, a gel, and an emollient.   
   
   
       11 . The composition of  claim 9 , wherein the plurality of abrasive particles are suspended in the moisturizer. 
   
   
       12 . The composition of  claim 7 , wherein the abrasive particles comprise:
 at least one of corundum, magnesium oxide, and a precious stone.   
   
   
       13 . The composition of  claim 12 , wherein the precious stone comprises:
 at least one of diamond, garnet, sapphire, ruby, emerald, and topaz.

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