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font size U.S. Department of Health and Human Services  Medical
Devices    • Print   • Share   • E-mail  QUS-2 Calcaneal
Ultrasonometer - P990039   Product Name: QUS-2 Calcaneal
Ultrasonometer Manufacturer:  Metra Biosystems Address: 265 N.
Whisman Road, Mountain View, CA 94043 Approval Date:  August 8,
2000 Approval
Letter:http://www.accessdata.fda.gov/cdrh_docs/pdf/p990039a.pdf
What is it?  The QUS-2 Calcaneal Ultrasonometer is a portable
medical device that uses ultrasound to measure the strength of
the heel bone (calcaneus). Since the heel bone is similar to the
bones in the hip and spine, this measurement can indicate the
strength of those bones as well.  How does it work?  The QUS-2
sends a beam of ultrasound across the heel to a detector that
measures the strength of the beam after it has passed through
the bone. This is then compared to the average of measurements
that have been obtained from young, healthy Caucasian (white)
women. If t