Ultrasound technology for hair removal
US10492862B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 26, 2016 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Jul 25, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2007/0078
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cosmetic method for the removal of hair from the skin tissue of a human body includes providing a device that includes a source of ultrasound energy and a source of light-based energy; activating the source of ultrasound energy and providing the ultrasound energy to the skin tissue to heat an area of skin tissue containing hair follicles from about 43 degrees C. to about 55 degrees C. for a first predetermined period of time; activating the source of light-based energy after the expiration of the first predetermined period of time to heat hair follicles in the area of skin tissue containing hair follicles to one of: above 55 degrees C., 60 degrees C., 65 degrees C. or 70 degrees C. for a second predetermined period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.