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Avalon us transducer
Official notice
12 Mar 2025
Last checked
12 Mar 2025
An official Health Canada notice concerns Avalon us transducer. The latest version of the wired Avalon ultrasound transducers (867246) may report inaccurate fetal heart rate (FHR) measurements when monitoring multiples (twins or triplets): in situations where the physiological signal (echo from the fetal heart) is absent or very weak (e.g. In early weeks of pregnancy), there is a tendency of the wired ultrasound transducers to interfere with each other and subsequently to produce an artificial FHR, mostly at approximately 180 bpm. The use cases affected by this issue are twin or triplet monitoring with wired ultrasound transducers including at least one transducer with software version l.01.04. The population at risk is women with multiple gestation (twins/triplets). Recall start date: March 10, 2025 Published 2025-03-12.
What to do now
Contact the manufacturer if you require additional information.
Recall number
77107
Official notice
2025-03-12
The hazard
The hazard
The latest version of the wired Avalon ultrasound transducers (867246) may report inaccurate fetal heart rate (FHR) measurements when monitoring multiples (twins or triplets): in situations where the physiological signal (echo from the fetal heart) is absent or very weak (e.g. In early weeks of pregnancy), there is a tendency of the wired ultrasound transducers to interfere with each other and subsequently to produce an artificial FHR, mostly at approximately 180 bpm. The use cases affected by this issue are twin or triplet monitoring with wired ultrasound transducers including at least one transducer with software version l.01.04. The population at risk is women with multiple gestation (twins/triplets). Recall start date: March 10, 2025
How to check if you're affected
How to check if you're affected
Compare the product name and identifiers below with the item you own. Follow the official notice if they match.
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Where it was sold
Where it was sold
The source does not list specific retailers. See the official notice for where affected products were sold.
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Affected area 1
Company & contacts
Company & contacts
Brand: Philips, Avalon Transducer.
Source & status
Source & status
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Recall details
Recall details
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Documents, notices & source
See the official notice and source documents for full details.
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