Abstract
Here, we describe the surgical technique for implanting a new, active, transcutaneous bone conduction hearing aid. The implant technology is based on a system that has been in use reliably since 2012. The geometry of the new implant has been adapted based on experience with previously introduced implants. The surgery was feasible, standardized, and safe. Due to the optimized geometric design that improved the bone fit, it is not necessary to use specialized, detailed preoperative planning, except in challenging anatomical conditions; e.g., in young children, malformations, poor pneumatization, or after a canal wall down mastoidectomy.
Highlights
Skin closure is typically performed in layers, with resorbable and nonresorbable sutures
Preoperative 3D planning was performed without BC Lifts, since lifts would further elevate the bone conduction-floating mass transducer (BC-FMT) over the bony surface, a feature the authors like to avoid, in the presence of thin skin, which is common in children
The patient had experienced recurrent skin irritation around the abutment, including skin overgrowth; the percutaneous bone conduction system on the right side was replaced with a BCI 602
Summary
Skin closure is typically performed in layers, with resorbable (subcutaneous and pericranial: 3/0) and nonresorbable (skin, 4/0) sutures. . Figure 7 shows the preoperative planning for implanting bone conduction hearing systems in a 4.5-year-old patient with atresia (ear canal stenosis, malformation of the malleus and incus, and a thickened stapes footplate) and complete conductive hearing loss.
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