Skin care device
US7001355B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2003 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Jan 8, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2037/0007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is a device for penetrating a skin active agent to the human body via the skin by the use of an ultrasound applying apparatus which applies ultrasound to the human body via the skin, comprising: (1) composition comprising: (a) safe and effective amount of the skin active agent; (b) a viscosifying agent that provides the composition a viscosity of from about 1,000 mPas to about 1,000,000 mPas; (c) from about 0.1% to about 30% of a water-soluble humectant; and (d) an aqueous carrier; wherein the composition is substantially free of surfactants; and (2) the ultrasound applying apparatus comprising: (e) an application element for applying to the skin ultrasound at a frequency of from about 3 MHz to about 10 MHz and an intensity of from about 0.1 W/cm2 to about 2 W/cm2; and (f) a control element for controlling application conditions of the application element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.