medicap Precise 6000 MI Gebrauchsanweisung Seite 47

1.5 Intended use
Precondition for the intended use of the device is the exact knowledge and observance of these Instructions for
Use.
The device may only be used in accordance with the general regulations for the installation and operation of
medical devices (MPBetreibV – Ordinance on Operators of Medical Devices).
Before using the device, the user must satisfy himself of its functional safety and proper condition.
Read all safety instructions and warnings carefully before using the device. Follow the safety instructions to
avoid injuries and life-threatening situations.
When using the accessories, the Instruction for Use of the respective manufacturers and the corresponding
warnings must be followed.
If additional devices are connected, the permissible leakage currents may be exceeded. Electromagnetic
interference from outside does not pose a risk to the user.
1.6 Functional description
Oxygen extraction by the oxygen concentrator works on the principle of molecular sieve technology using the
alternating pressure method.
In the
1. Step ambient air is sucked in by a compressor and compressed in a molecular sieve container
(column).
2. Step nitrogen molecules are bound to the sieve surface and are thus separated from
molecules, which can pass through the molecular sieve.
3. Step the molecular sieve is vented by using some of the recovered oxygen to flush out the nitrogen it
contains.
With the 3-column technique used, one column is always filled alternately (cyclically); in another column the
nitrogen is seperated from the oxygen and in the third column the molecular sieve is flushed. This technology
ensures a continuous flow of oxygen without the need of an additional oxygen reservoir. This results in an
extremely rapid build-up of oxygen concentration, immediately after switching on the device.
By using a wear-free, ultrasound-based oxygen sensor, the oxygen concentration is permanently monitored.
The negatively charged oxygen ions are generated by means of a corona discharge in the ionisation module.
Needle-shaped and current-carrying electrodes release electrons that form negatively charged oxygen ions with
oxygen molecules.
The control of the ionisation voltage ensures that no harmful concentrations of ozone (O3) and nitrogen oxides
can occur.
The ionisation only works when the required high oxygen concentration is present.
Précise 6000 MS / Précise 6000 MSI Rev.D 2024-10
the oxygen
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