Patent · US Expired

Heated respiratory therapy humidifier

US4657713A · kind A · utility

122Cited by
11References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 3, 1985
Grant dateApr 14, 1987
Priority date
Expiry dateApr 3, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S261/65
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A humidifier assembly is disclosed. Parts of the humidifier assembly may be disposable. The assembly comprises a housing, heater means on the housing, a liquid water supply means that communicates with the heater means, a hollow shell on the housing that defines a humidification chamber, and a filter means in the humidification chamber and positioned in juxtaposition with the surface of the heater means for passing water vapor into breathable gas. Preferably the filter means is hydrophobic.

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