ASTM F2504 PDF
ASTM F2504 PDF
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ASTM F2504 PDF

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Standard Practice for Describing System Output of Implantable Middle Ear Hearing Devices

Published byPublication DateNumber of Pages
ASTM03/01/20146

ASTM F2504 – Standard Practice forDescribing System Output of Implantable Middle Ear HearingDevices

1.1 This practice defines means for describing system performance (ex vivo) and, in particular, system output of an implantable middle ear hearing device (IMEHD) by measuring a physical quantity that is relevant to the insertion gain and output level of the IMEHD when implanted in the patient.

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