Patent · US Active

Sound dampening in positive airway pressure devices

US9855397B2 · kind B2 · utility

2Cited by
8References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 2010
Grant dateJan 2, 2018
Priority date
Expiry dateNov 8, 2034

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2205/42
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A CPAP system includes a PAP device (5) structured to generate a supply of pressurized air, a patient interface (15) adapted to engage with the patient's face to provide a seal, an air delivery conduit (102,104) provided between the PAP device and the patient interface to deliver the supply of pressurized air along a gas delivery path from the PAP device to the patient interface, and a muffler (100) provided along the gas delivery path downstream of the PAP device.

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