Patent · US Active

Anesthetic dispensing device with a measuring unit

US11801361B2 · kind B2 · utility

0Cited by

4References

19Claims

0Family size

Assignee

DRÄGERWERK AG & CO. KGAA · DE

Inventors

Hartmut Stark · Stockelsdorf, DE
Norbert WRUCK · Lübeck, DE

Key dates

Filing date	Jan 14, 2021
Grant date	Oct 31, 2023
Priority date	—
Expiry date	Dec 22, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/702
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An anesthetic dispensing device (100) includes a measuring unit (150) for determining an anesthetic concentration in an area of an outlet (142) of the anesthetic dispensing device. The measuring unit is configured to measure a first parameter (154) of a gas concentration-dependent characteristic between a mixer unit (140) and a second parameter (155) of the gas concentration-dependent characteristic in a second gas branch (120) or in an area of a breathing gas feed (112) of the anesthetic dispensing device by at least one sensor element (152). The measuring unit is further configured to determine the anesthetic concentration between the mixer unit and the outlet and to output a corresponding concentration signal (160) as a function of calibration information assigned to the second parameter and of the first parameter.

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