The First CROS Hearing Aids?
In 1965, Harford and Barry were credited for the first accessible published description of across-head fitting1. It was called the CROS (Contralateral Routing of Offside Signals). Harford and Barry did acknowledge, however, that Wullstein and Wigand had published results on an almost identical across-head arrangement three years earlier2. The Wullstein and Wigand work has seldom…
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Auriculostomy – First Surgical Hearing Aid Approach
This post provides an historical archive to the application of hearing aids. The auriculostomy may have been the first surgical hearing aid involvement in the fitting of amplification in that it provided an alternate approach to the application of corrective amplification involving ear-level hearing aids1. This was in 1975. It was an invention of Charles…
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