What this guide covers
You’ll learn what bone conduction hearing implants are, how active transcutaneous systems differ from percutaneous systems, who may benefit, what evaluation and surgery typically involve, MRI considerations, insurance coverage basics, and practical day-to-day tips.
Safety note
If you have a sudden change in hearing, new severe dizziness, facial weakness, or other neurologic symptoms, don’t wait—use our safety guide for what to do now: Emergency: Hearing, Tinnitus, and Balance Safety Guide.
What are bone conduction hearing implants?
Bone conduction hearing implants are hearing systems designed to send sound to the inner ear (cochlea) by using vibrations through the skull instead of pushing sound through the ear canal and middle ear. This can be helpful when the ear canal or middle ear can’t reliably transmit sound, or when one ear can’t hear well enough to use sound on that side effectively.
You may also hear the term “bone-anchored hearing device (BAHD)”. Some clinics use BAHD as an umbrella term for multiple bone conduction systems (including active transcutaneous and percutaneous designs). In this guide, we use “bone conduction hearing implants” as the main term, and we define the major types below.
Types of systems (active transcutaneous focus, percutaneous included)
1) Active transcutaneous implants (under the skin)
Active transcutaneous systems place the vibrating component under the skin. Sound is picked up by an external processor, and the implanted component creates vibration that is delivered through bone to the cochlea. These systems are designed to keep the skin intact (no through-skin post). Device-specific indications and candidacy criteria are set by FDA-cleared/approved labeling.1
Why people consider them: less daily skin care than percutaneous systems and no visible abutment. Tradeoffs can include device-specific surgical details, and device-specific MRI conditions you must follow.1
2) Percutaneous (abutment) systems (through the skin)
Percutaneous systems use a small abutment that passes through the skin. The external processor connects to the abutment, creating a direct mechanical path for vibration to the skull bone. These systems can be a good option for some people, and they remain relevant because coverage and device access can vary across insurance plans and regions.
Key considerations: because there is a small through-skin site, ongoing skin care matters. Your care team will teach you how to reduce irritation and infection risk.
3) Non-surgical bone conduction options (trial or bridge)
Non-surgical options can help you test benefit or serve as a bridge when surgery is not appropriate (for example, while waiting for medical clearance). These may use a headband/softband or an adhesive attachment, depending on the device family. Coverage varies widely, and some plans treat non-surgical bone conduction devices similarly to hearing aids.
Quick comparison
| System type | What’s implanted? | Skin intact? | Common tradeoffs |
|---|---|---|---|
| Active transcutaneous implant | Implanted vibrating component (plus fixation hardware) | Yes | Device-specific MRI conditions; device-specific surgical approach; less daily skin care |
| Percutaneous (abutment) | Implant + abutment (post through skin) | No (small through-skin site) | Ongoing skin care needed; direct connection can be useful for some hearing profiles |
| Non-surgical | Nothing implanted | Yes | May be less comfortable for long wear (pressure/adhesive); coverage varies |
Who may benefit
Bone conduction systems are not “one-size-fits-all.” Candidacy depends on your hearing test, your anatomy, your medical history, and the device labeling for the specific system under consideration. In most clinics, the decision is made by an ENT surgeon (often an otologist/neurotologist) working closely with an audiologist.2
Conductive hearing loss
Conductive loss means sound has trouble getting through the outer or middle ear, while the inner ear (cochlea) may still work relatively well. Bone conduction systems can be considered when traditional hearing aids are not feasible or not effective (for example, chronic drainage, ear canal anatomy that makes earmolds difficult, or certain middle-ear conditions). Device labeling specifies the exact audiometric criteria.2
Mixed hearing loss
Mixed loss combines conductive and sensorineural (inner-ear) components. Bone conduction systems can sometimes help, but candidacy depends on how well the cochlea is functioning and on device-specific labeling cutoffs (which vary by model).2
Single-sided deafness (SSD) / “sound routing”
Some bone conduction systems can be used for SSD by picking up sound on the poorer-hearing side and sending it to the better-hearing cochlea through bone conduction. This can improve awareness of sound from the poorer side and reduce the “head shadow” effect—but it typically does not restore true two-ear localization, because sound is still being heard by one cochlea.2
A conservative, clinic-safe way to think about candidacy
Your clinic should match your audiogram and goals to the FDA-cleared/approved indications and candidacy criteria for the specific device family being considered. If you see hard numeric cutoffs online, treat them as device-specific unless they are explicitly linked to labeling for the exact model.
What evaluation usually includes
1) Medical + ear exam
An ENT clinician evaluates your history, examines your ears, and looks for treatable causes (for example, active infection or a condition that should be addressed medically or surgically before deciding on an implant). Imaging may be used in some cases to support surgical planning.
2) Full hearing assessment
An audiologist typically measures air- and bone-conduction thresholds and speech understanding. For SSD decisions, testing often includes how you function in noise and whether sound routing meets your day-to-day goals.
3) A “trial” listening experience (when feasible)
Many clinics can demonstrate bone conduction using a non-surgical setup (for example, with a headband/softband). This doesn’t perfectly replicate an implanted system, but it can help set expectations and support shared decision-making.
MRI: what to know (device-specific)
MRI safety is device- and model-specific. Many implanted hearing systems are MRI-conditional, meaning MRI can be possible under defined conditions. Those conditions can vary based on magnet design, scan type, and MRI field strength.
Before any MRI
- Tell the imaging team you have an implanted hearing device before scheduling.
- Bring your implant card (or device information) to the appointment.
- Follow your specific device family’s MRI guideline—do not assume two systems have the same rules.
Examples of manufacturer MRI guidance documents are listed in the references section to show what “device-specific MRI rules” typically look like.3
Surgery and activation: the usual arc (details vary)
Most bone conduction implants are outpatient procedures, but the exact approach depends on system type and on your anatomy. In general:
- Percutaneous systems involve placing an implant and an abutment that exits the skin.
- Active transcutaneous systems involve placing implanted components under intact skin.
After surgery, there is typically a healing period before the external processor is fitted and activated. Your team will give you a timeline based on the system type and how healing is going.
Insurance coverage (U.S.): what’s usually true, and what varies
Coverage is one of the biggest sources of confusion. A key point: some implantable bone conduction systems may be treated by insurers as prosthetic/implantable devices rather than “hearing aids,” and that classification can affect coverage pathways.4
- Medicare: Medicare generally distinguishes between hearing aids (often not covered) and certain implantable hearing prostheses (which may be covered when criteria are met). Your clinic’s authorization team can help confirm what applies to your specific case and device type.4
- Medicaid: Coverage varies by state and age group, and often requires prior authorization.
- Private insurance: Policies vary widely. Plans may cover one implant type more readily than another, which is one reason percutaneous systems remain part of the conversation in some settings.
Practical tip
Ask your clinic for the exact device category being requested (implant type), the planned billing codes, and the clinical documentation they’ll submit. If something is denied as a “hearing aid,” an appeal may hinge on whether the requested system is categorized as an implantable prosthesis under your plan.
Living with a bone conduction system
Daily care (system-specific)
- Percutaneous (abutment): you’ll get specific instructions for cleaning the skin around the abutment to reduce irritation/infection risk.
- Active transcutaneous: routine skin hygiene is usually similar to typical daily care, but you’ll still need guidance on magnet/processor placement and comfort if your system uses magnetic coupling.
Water, sports, and sleep
In general, the implanted part stays in place and the external processor is removed for activities like showering/swimming (unless your specific processor is rated for water exposure). For contact sports, clinics often recommend removing the processor and protecting the implant area, but the best guidance depends on your implant type and your activities.
The bottom line
Bone conduction hearing implants can improve access to sound when the usual ear pathway isn’t working well—or when sound needs to be routed from one side to the other. The “best” system depends on your hearing profile, goals, anatomy, and the device labeling, plus real-world factors like MRI needs and insurance coverage.
The safest next step is a combined evaluation with an ENT surgeon and an audiologist who routinely work with bone conduction systems.
Frequently Asked Questions
Next steps: get an implant-focused evaluation
If you’re considering a bone conduction system, the most useful next step is a coordinated evaluation with an ENT surgeon and an audiologist who regularly work with these devices.
References
We prioritize primary sources (FDA summaries/labeling and payer guidance). For device-specific numbers (audiometric cutoffs, MRI conditions), always defer to the labeling and MRI guidance for the exact model your clinic is recommending.
- U.S. Food & Drug Administration (FDA). De Novo Classification Summary PDF for an active transcutaneous bone conduction implant system (example FDA primary source). Accessed Jan 31, 2026. FDA PDF.
- Manufacturer candidacy/selection guide for the specific device family recommended by your clinic (model-specific). Used here to reinforce that numeric candidacy cutoffs must be tied to the exact model’s labeling. Accessed Jan 31, 2026.
- Manufacturer MRI guidelines for the specific implanted component and processor (model-specific). Used here to reinforce device-specific MRI-conditional requirements. Accessed Jan 31, 2026.
- Centers for Medicare & Medicaid Services (CMS). Medicare Coverage Database (coverage policies and related guidance; implantable hearing prostheses vary by context). Accessed Jan 31, 2026. CMS MCD.
- Dahm V, Baumgartner W-D, Liepins R, Arnoldner C. A consensus statement on bone conduction implants (BCI). Audiology Research. 2022. Accessed Jan 31, 2026. https://doi.org/10.3390/audiolres12020030.
- Sprinzl GM, Wolf-Magele A. The Bonebridge bone conduction hearing implant: indication criteria, surgery and a systematic review of the literature. Clinical Otolaryngology. 2016. Accessed Jan 31, 2026. https://doi.org/10.1111/coa.12484.
- Systematic review: audiological indication criteria for bone conduction hearing devices and active middle ear implants. 2021. Accessed Jan 31, 2026. ScienceDirect record.
- U.S. Food & Drug Administration (FDA). Premarket Notification (510(k)) Database (use to locate device entries and, when available, labeling/IFU references). Accessed Jan 31, 2026. FDA 510(k) database.
- U.S. Food & Drug Administration (FDA). De Novo Database (decision summaries for De Novo devices). Accessed Jan 31, 2026. FDA De Novo database.
- National Library of Medicine (NLM). AccessGUDID (Global Unique Device Identification Database; helpful for verifying identifiers and basic device fields). Accessed Jan 31, 2026. https://accessgudid.nlm.nih.gov/.
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Disclaimer: This content is for general educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.