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. 2021 Oct;278(10):4119-4122.
doi: 10.1007/s00405-021-06946-8. Epub 2021 Jun 21.

Active transcutaneous bone-anchored hearing implant: how I do it

S Arndt  1 , A K Rauch  1 , I Speck  2
Affiliations

Active transcutaneous bone-anchored hearing implant: how I do it

S Arndt et al. Eur Arch Otorhinolaryngol. 2021 Oct.

Abstract

Background: The Cochlear™ Osia® System leaves a retroauricular bump that can cause discomfort and poor aesthetic outcome.

Method: To reduce the retroauricular bump, we introduced an implant well in the bone behind the ear for the transducer. We used cutting and diamond drills to create the implant well with an average depth of 4-5 mm. The surgical time including the implant well (40 min) was within the range of reported average surgical time (52 min).

Conclusion: Introduction of an implant well resulted in a better aesthetic outcome and improved patients' comfort. The reduced distance between BI300 and ear canal might improve audiological outcome.

Keywords: Auditory prosthesis; BAHI; Bone conduction hearing; Mixed hearing loss; OSIA; Single-sided deafness.

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Conflict of interest statement

Arndt S—Cochlear Ltd., Lane Cove, Australia: research funding, reimbursement of travel expenses; MED-EL, Innsbruck, Österreich: research funding, reimbursement of travel expenses; Advanced Bionics, Stäfa, Schweiz: research funding, reimbursement of travel expenses; Oticon Medical A/S, Smørum, Dänemark: research funding, reimbursement of travel expenses. Rauch AK—MED-EL, Innsbruck, Österreich: reimbursement of travel expenses. Speck I—Cochlear Ltd., Lane Cove, Australia: reimbursement of travel expenses.

Figures

Fig. 1
Fig. 1
Cochlear™ Osia® System implants OSI100 and OSI200 with audio processor (Osia; Cochlear, Sydney, Australia)
Fig. 2
Fig. 2
Patients with retroauricular bump of the Osia® implant
Fig. 3
Fig. 3
Digital volume tomography of the temporal bone is necessary with measured bone thickness behind the ear at implantation site of the titanium fixture
Fig. 4
Fig. 4
Surgical steps preparation of the implant well: A planned incision and position of the OSI200. B Preparation of the implant well. C Checking depth and shape of the implant well with the implant template
Fig. 5
Fig. 5
Surgical steps of the OI200 implantation: A drilling with the countersink drill. B Placing of the BI300. C Checking clearance with clearance indicator. D Placing of the OSI200. E Operation situs after closing incision
Fig. 6
Fig. 6
Patient with minimal retroauricular bump of the Osia® implant after surgery including the implant well
See this image and copyright information in PMC

References

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