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[Medical equipment--errors, causes and risks].

Development in technology has introduced advanced technological apparatus into the health care sector. New technology has led to increased possibilities in diagnostics and treatment, but it also represents a substantial risk. A survey at the Lillehammer Hospital showed a relatively high rate of apparatus failure. However, only in a few cases was this of any consequence to the patient or the operator. The survey showed that preventive maintenance reduces the failure rate and that operator training and user checks reduce the risk related to medical apparatus.