Patent · US Expired

Device for wetting and heating gases, preferably breathing gases in respirators

US4013742A · kind A · utility

81Cited by
6References
10Claims
0Family size

Inventor

Key dates

Filing dateJul 28, 1975
Grant dateMar 22, 1977
Priority date
Expiry dateJul 28, 1995

Classification

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

Abstract

In a humidifying and heating apparatus for respiratory gas, a transformer for inductively heating a humidifying liquid is provided in a housing having a socket, whilst a vessel for containing the liquid is made as a separable sterilizable or disposable unit through which the respiratory gas can be passed and which has a plug connector releasably engaged in the socket. The secondary transformer winding is in the form of a plate which is disposed in the plug connector and comprises an upper portion in contact with the liquid and a lower portion straddling the transformer core.

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