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  • Title: [Results of a study of quality control of diagnostic ultrasound equipment].
    Author: Kollmann C.
    Journal: Ultraschall Med; 1995 Oct; 16(5):206-9. PubMed ID: 8533069.
    Abstract:
    AIMS: In this paper results of a quality control programme for B-mode ultrasound equipment used in clinical routine are presented. Over a period of 18 months 5 modern scanners with altogether 19 scanheads were periodically controlled. METHODS: The methods used for measuring the various performance parameters of an ultrasound equipment followed closely standard methods. All measurements were carried out with commercially available tissue-mimicking phantoms, and documented in a uniform protocol. RESULTS: Based on the results it was found that 11 of the scanheads did not operate correctly; 2 additional ones were severely defective. Only 6 scanheads were without loss of image quality or function. For the 13 malfunctioning scanheads adjustments, repair or even an exchange was necessary. CONCLUSION: The study demonstrates that quality control performed periodically is necessary to ensure optimal image quality and safe operation of the equipment.
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