NDD EasyOne Pro Operator's Manual page 18

Introduction
Operator's Manual V5.0 • EasyOne Pro/LAB Rev. 05
© ndd Medizintechnik AG • Technoparkstrasse 1, 8005 Zurich, Switzerland • www.ndd.ch
The one-way valve for multi-patient use
The one-way valve ensures that DLCO gas or O
direction. The one-way valve can be used for multiple patients and must be
replaced once a year.
The one-way valve is designed to work accurately with EasyOne Pro/LAB. For
reliable results, use only the original one-way valve manufactured by ndd.
The figure shows how to insert the one-way valve.
 Attaching the one-way valve
gas only flows in one
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