Patent · US Active

Method and apparatus for resolving upper airway obstruction, resistance or instability

US8985109B2 · kind B2 · utility

5Cited by
13References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 1, 2013
Grant dateMar 24, 2015
Priority date
Expiry dateMar 21, 2033

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2230/63
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A CPAP apparatus has a variable rise time (iii) from a base level of positive air pressure during expiration (EPAP) to a higher level during inspiration (IPAP). The rise time is adjusted in order to reduce obstruction, resistance or instability in the upper airway.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.