Handheld audiometric device and method of testing hearing
US6974421B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2000 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Apr 28, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/7257
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Handheld apparatus (100), and method for comprehensive hearing testing with pass/refer results applicable for large scale neonatal screening, adult screening, full hearing diagnostic is disclosed. The apparatus (100) contains a signal processor (1), integral ear probe (150), and remote ear, and scalp probes (104) all packaged as a single handheld battery operated device (100). The apparatus (100) preferably performs a battery of tests, either independently or combined: oto-acoustic measurements utilizing a novel digital signal processing method for evoked oto-acoustic signal processing, auditory brain stem response test, tympanometry, and oto-reflectance. Algorithms for automatic test sequence, and pass/refer indication for the tests are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.