Ear canal obstruction detecting acoustical stimulation ear...

Surgery – Diagnostic testing – Ear or testing by auditory stimulus

Reexamination Certificate

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C600S560000, C600S561000, C600S587000

Reexamination Certificate

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07976474

ABSTRACT:
An illuminated acoustical stimulation ear probe with outer ear illumination and a probe-fit status indicator.

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patent: 2010/0191144 (2010-07-01), Zoth et al.

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