Almost every medical department in hospitals around the world uses infusion devices to administer fluids, nutrition, and medications to patients to treat many different diseases and ailments. There have been several reports on adverse incidents caused by medication errors associated with infusion equipment. Such errors can result from malfunction or improper use, or even inaccuracy of the equipment, and can cause harm to patients' health. Depending on the intended use of the equipment, e.g. if it is used for anaesthesia of adults or for medical treatment of premature infants, the accuracy of the equipment may be more or less important. A well-defined metrological infrastructure can help to ensure that infusion devices function properly and are as accurate as needed for their use. However, establishing a metrological infrastructure requires adequate knowledge of the performance of infusion devices in use. This paper presents the results of various tests conducted with two types of devices.

Calibration and Measurement Technology Danish Technological Institute Aarhus C Denmark

Department of Primary Metrology of Liquids Flow Flow Velocity and Heat CMI Brno Czech Republic

Life Sciences and Healthcare TUV SUD NEL East Kilbride Glasgow UK

Metrology Department Portuguese Institute for Quality Caparica Portugal

Physics Federal Institute of Metrology METAS Bern Wabern Switzerland

RISE Research Institutes of Sweden Borås Sweden

Thermometry and Fluid Flow Metrology Group Division of Physical Metrology KRISS Daejeon South Korea

UNIDEMI Department of Mechanical and Industrial Engineering NOVA School of Science and Technology Caparica Portugal

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