Achieving adequate coupling between the internal and external components of a cochlear implant is essential for optimal device performance and depends in part on scalp thickness. AIMS/OBJECTIVES: Suboptimal cochlear implant coupling may occur in patients with increased scalp thickness, leading to impaired magnetic retention and signal transmission....
Surgeons performing cochlear implantation in patients with thick scalp flaps (>8 mm) may consider this hook-assisted transmuscular technique as a practical option to optimise magnet coupling and signal transmission, pending broader replication.
Scalp thickness is a growing implant-coupling challenge given rising obesity rates; a reproducible surgical workaround could expand cochlear implant candidacy and reduce device failure rates in this population.
- 01Thick scalp flaps can impair coupling between cochlear implant internal and external components.
- 02The modified hook-assisted transmuscular technique routes the internal magnet through muscle to reduce skin-device distance.
- 03Technique is described as a practical surgical solution without full device repositioning.
- 04Published as a technical report; broader clinical validation is still needed.
- 05Published in Acta Oto-Laryngologica.
A hook-assisted transmuscular technique can optimise cochlear implant coupling in patients with thick scalp flaps.
studypartially supportedThick scalp flaps negatively impact the coupling between internal and external cochlear implant components.
studysupported- PMID
- 42283499
- DOI
- 10.1080/00016489.2026.2684640.
- Journal
- Acta Oto-Laryngologica
- Publication type
- technical_report
- Evidence level
- 4
- Population
- Cochlear implant patients with thick scalp flaps presenting coupling difficulties
- Intervention
- Modified hook-assisted transmuscular surgical technique for cochlear implant coupling
Primary outcomes
Adequacy of coupling between internal and external cochlear implant components; Surgical feasibility and technique description