
DEHAS Medical Systems GmbH, Wesloer Straße 107-109, 23568 Lübeck, Germany
1. Introduction
1.3 Defined use and abuse
Change management
This documentation is not part of the change management from DEHAS.
Chances are possible without announcement.
Defined use
The pressure regulator of the D-QR-200 series are designed for use on compressed
gas cylinders for compressed and under pressure solute medical gas. They cut down
the particular cylinder pressure on a continuous flow as possible. The approved gases
are shown on the type label.
Abuse
The following operating conditions are classified as abuse:
Using the pressure regulator with gases that are not listed on the type label.
Using the pressure regulator for gases during the liquid phase.
Using the pressure regulator beyond the allowed technical limiting values
Manipulate the adjusted initial pressure or adjusted flow rate.
The inobservance and noncompliance of the local regulations and appointments.
Abuse
All further categories of usage, which are not listed above are classified as device
abuse.
1.4 Personnel requisition
Definition person in authority
A person is in authority, if he/she comes with an education as a medical-technical as-
sistant, got an technical briefing and education about the whole system and the coher-
ent hazards (compressed gas cylinder, medical gas, gas cylinder valve, pressure re-
ducer) and successfully completed trainings about „Supply with compressed gases“
particularly oxygen-gases and their hazards.