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Copyright © 2020 Ultrasound Technologies Ltd
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3.4
Operating Practice
The MedicCO
2
LON device administers CO
2
with an initial flow rate of 0.5 litre per minute
(LPM) and the flow rate increases to a pre-set maximum of 3 - 4LPM. Colonic pressure
gradually increases as CO
2
is administered to the patient to reach the target colonic
pressure pre-set by the user. The user can monitor colonic pressure with the Pressure
Display on the front panel of the unit. When maximum flow rate has been reached the
device continuously monitors actual colonic pressure.
The MedicCO
2
LON device has an electronically controlled Pressure Relief Valve activated
at 50mm Hg and an independent redundant mechanical Pressure Relief Valve pre-set to
78 mm Hg. Both pressure relief safety devices are active whether the Gas Flow is on or off.
3.5
General Warnings and Cautions
Users should be familiar with and adhere to all warnings, cautions and instructions for
use that are labelled on the MedicCO
2
LON device and included in the MedicCO
2
LON User
Manual.
• The MedicCO
2
LON device and associated equipment are designed for use by
personnel trained in the practice of undertaking CT colonography examinations
and the use of an automatic insufflation device. All personnel should be
thoroughly familiar with the operation of the device prior to use and should
follow good clinical practice when using the device.
• The MedicCO
2
LON device should not be used in the presence of flammable
anaesthetic mixtures; with air; with oxygen or with nitrous oxide.
• The MedicCO
2
LON device has not been tested for compatibility with Magnetic
Resonance Imaging (MRI) equipment and should not be introduced to an MRI
scanning room.
• The MedicCO
2
LON device has not been tested for paediatric use and should not
be used for paediatric CT colonography examinations.
• Regular periodic maintenance of the MedicCO
2
LON device is recommended and
as a minimum should be undertaken annually.
• It is recommended that the mechanical pressure relief valve is replaced during
periodic maintenance, to ensure continued safe operation of the device.
• Precautions for EMC safety should be observed. The MedicCO
2
LON Insufflator
3. INTRODUCTION