Patent · US Active

Process for operating a respirator

US8707951B2 · kind B2 · utility

0Cited by

3References

21Claims

0Family size

Assignee

Dräger Medical GmbH · DE

Inventors

Ralf Lorenzen · Wulfen, DE
Hans-Joachim Kohl · Wulfen, DE
Tobias GLAW · Lübeck, DE
Tilman von BLUMENTHAL · Wulfen, DE

Key dates

Filing date	Jan 14, 2010
Grant date	Apr 29, 2014
Priority date	—
Expiry date	Feb 11, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/3317
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A process for controlling a respirator with reduced gas excess, wherein a load situation (37) of an expiration valve is polled in a continuous sequence and a flow value (36) is reduced step by step from a preset starting flow value (41) and wherein the flow value (36) is again increased when a predetermined value (44) is exceeded.

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