Patent · US Expired

Measuring head for a gas analyser

US7235054B2 · kind B2 · utility

18Cited by
8References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 25, 2002
Grant dateJun 26, 2007
Priority date
Expiry dateOct 25, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/3174
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A measuring head for the analysis of respiratory gases to and from a patient connected to a respirator, includes an aperture (7) which is intended to be placed over an adapter (2) through which respiratory gases flow. The measuring head (1) has a light transmitter (9) which includes an IR-emitter (12) on one side of the aperture (7) and a light receiver (10) which includes an IR-detector on the other side of the aperture (7). The measuring head (1) also includes a signal processing unit (20) necessary for the gas analysis.

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