Patent · US Expired

Anesthesia device

US5509406A · kind A · utility

63Cited by

8References

7Claims

0Family size

Assignee

Siemens Elema AB · SE

Inventors

Mikael Kock · Åkersberga, SE
Georgios Psaros · Tullinge, SE
Goran Skog · Bromma, SE

Key dates

Filing date	Jul 20, 1995
Grant date	Apr 23, 1996
Priority date	—
Expiry date	Jul 20, 2015

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/70
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An anesthesia system has a fresh gas source for supplying a defined flow of fresh respiratory gas to a respiratory circuit wherein the flow is regulated by a flow valve which is controlled on the basis of a flow measured by a flow meter. The anesthesia system is permits the flow meter to be calibrated while the system is in operation to permit the supply of a continuous, or substantially continuous, flow of fresh respiratory gas to the respiratory circuit.

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