Method and device for preventing alterations in circadian rhythm
US7748845B2 · kind B2 · utility
49Cited by
17References
71Claims
0Family size
Inventors
Key dates
| Filing date | Aug 2, 2007 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Aug 24, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0648
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of maintaining circadian rhythm of a subject comprising selectively substantially blocking retinal exposure of the subject to light having a wavelength shorter than a specified wavelength during the night, and an apparatus for carrying out the claimed method comprising an optical filter that selectively at least substantially blocks light having a wavelength shorter than the specified wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.