Problems with the HDI 4000 Ultrasound Imaging system from Philips
2006.03.02
Product group Ultrasonics
Reference 00055/06
In May 2005 Philips informed all user of HDI 4000 Ultrasound Imaging system about two potential problems: 1. The acoustic display of MI (Mechanical Index) and TI (Thermal Index) is inaccurate and should not be relied upon to gauge acoustic exposure. 2. Two transducers may exceed limits for acoustic intensity (Ispta) and MI, depending on their mode of operation.
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