Mask apparatus
US5592938A · kind A · utility
272Cited by
22References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1994 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | Aug 9, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/15
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for treating obstructive sleep apnea and other disorders by the novel application of pressure varying from ambient pressure to external portions of a patient's neck, and a novel breathing mask and seal apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.