Cochlear Bone Anchored Solutions AB
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Cochlear Bone Anchored Solutions is a company based in
Gothenburg Gothenburg (; abbreviated Gbg; sv, Göteborg ) is the second-largest city in Sweden, fifth-largest in the Nordic countries, and capital of the Västra Götaland County. It is situated by the Kattegat, on the west coast of Sweden, and has ...
, Sweden, that manufactures and distributes bone conduction hearing solutions under the trademark Baha. The company was founded in 1999 under the name Entific Medical Systems. When Cochlear bought the company in 2005, the name was changed to Cochlear Bone Anchored Solutions. The acronym "BAHA" (for bone anchored hearing aid) was trademarked into Baha, as it is not considered a hearing aid by insurance companies.


Baha system

The Baha system is a bone conduction hearing system designed, developed and marketed by Cochlear Bone Anchored Solutions. It is a semi-implantable, under the skin bone conduction hearing device coupled to the skull by a titanium fixture. The system transfers sound to the inner ear through the bone, thereby bypassing problems in the outer or middle ear. Candidates with a conductive, mixed, or single-sided sensorineural hearing loss can therefore benefit from bone conduction hearing solutions. Over 100,000 people have had the system implanted.


History

Professor Per-Ingvar Brånemark discovered osseointegration in the 1950s, which allows titanium implants to fuse with human bone. The discovery led to wide use in dental implants. In the mid-1970s Brånemark, together with his ENT colleague Dr Anders Tjellström, glued an Oticon bone vibrator to a snap coupling fitted to a dental implant and then connected it to an audiometer. The patient reported a very high, clear sound. suggesting that the sound propagated l through the bones of the maxilla to the inner ear. This became the starting point for the future development of the hearing device Baha together with the titanium implant. Doctors
Anders Tjellström Anders is a male name in Scandinavian languages and Fering North Frisian, an equivalent of the Greek Andreas ("manly") and the English Andrew. It originated from Andres via metathesis. In Sweden, Anders has been one of the most common names fo ...
at
Sahlgrenska University Hospital The Sahlgrenska University Hospital ( Swedish: ''Sahlgrenska Universitetssjukhuset'') is a hospital network associated with the Sahlgrenska Academy at the University of Gothenburg in Gothenburg, Sweden. With 17,000 employees the hospital is the lar ...
in Gothenburg, Sweden, implanted and fitted the first patient with a Baha sound processor in 1977.


References

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External links


Cochlear Ltd.
Hearing aid manufacturers Medical technology companies of Sweden Companies based in Västra Götaland County