Patent · US Expired

Measuring device for measuring the volume flow or the substance properties of a gas, whose direction of flow can reverse

US7162921B2 · kind B2 · utility

6Cited by

8References

20Claims

0Family size

Assignee

Dräger Medical AG & Co. KG · DE

Inventors

Henning Gerder · Lübeck, DE
Artur Kuo · Wulfen, DE

Key dates

Filing date	Jan 24, 2005
Grant date	Jan 16, 2007
Priority date	—
Expiry date	Apr 11, 2025

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2016/0036
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A device for measuring the volume flow or other substance properties of a gas, whose direction of flow can reverse. The arrangement contains a specially designed Y-piece, which is used for branching into direction-dependent flow paths and can be used at the same time for the measurement. Such devices can be preferably used in the area of mechanical respiration.

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