Human Concha Measurements

Anthropometry is an ergonomic core of any attempt to resolve the dilemma of “fitting tasks to the human.”1   For external ear products (hearing aids, hearables, earbuds, etc.), comfort, cosmetics, and retention are the three critical areas leading to acceptance or rejection of a product. These are issues that should be addressed at the start of…

Read More

Instant Earmolds From Impressions

The desire to use the ear impression as the final earmold was an early objective of some earmold impression providers. For hearing aid dispensers, to be able to provide instant earmolds from impressions would certainly circumvent many of the problems they encountered with delays in delivery, remakes, distant service calls, cost, etc.      Early instant…

Read More