Portable phototherapy unit
US5919217A · kind A · utility
51Cited by
7References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 1993 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | Apr 15, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0648
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bright-light portable phototherapy unit to modify biological rhythms has a housing in which there is a source for producing light energy having a major portion in the visible light range. The housing is to be placed adjacent to the body of a user for positioning and directing the light from the source through an opening in the housing to be applied to the eyes of the user. The light source can be one or more fluorescent lamps and the light incident on the eyes preferably is at least 2,000 lux and, more preferably, at least 8,000 lux.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.