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Device Explorer · FDA GUDID · GMDN 58991

Fully-implantable middle ear implant system

An implanted assembly of sterile devices intended to compensate for impaired hearing by transmitting vibrations to the middle ear. It is powered by a battery that is recharged inductively, via an external device. It consists of a capsule, containing the batter

US‑registered devices54in commercial distribution
Companies1labelers on GUDID
Single‑use65%of device records
Sterile63%labelled sterile
Prescription100%Rx‑only share
ImplantableYesGMDN flag
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Share of device records

Envoy Medical Corporation54100%

Top labelers

CompanyDevicesShare
Envoy Medical Corporation54100%

Company = labeler of record on GUDID. 1 companies in total; top 12 shown. Click headers to sort.

Brand names on the register (sample)

Esteem Intraoperative System AnalyzerEsteem MedCemEsteem® Laser Light GuideEsteem® Subdural Needle ElectrodeEsteem® Surgical Tools KitEsteem® Sterile DrapeEsteem® Commander™Esteem® Intraoperative System AnalyzerEsteem® Sensor ReplicaEsteem® Driver ReplicaEsteem® EnvoyCem®Esteem® Ear Insert AssemblyEsteem® Laser ReflectorEsteem® Sound Processor ReplicaEsteem® Transducer ReplicaEsteem® MedCem®

Sample of brand names as labelled; no endorsement. Ask us for the full list with company, model and UDI.

FDA product codes

CodeNameDevices
OAFImplant, Hearing, Active, Middle Ear, Totally Implanted54

GMDN & GCC registration

  • GMDN code 58991 · implantable
  • Single‑use 65% · sterile 63% · Rx‑only 100% · OTC 0%
  • UAE: MOHAP / DoH medical device registration and an authorised representative are required; Saudi: SFDA MDMA. We check status on request.

Size attributes recorded

Outer Diameter (Millimeter) · 7Length (Meter) · 2Length (Millimeter) · 2Total Volume (Milliliter) · 1

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No closely related category with 50+ devices.

How many fully-implantable middle ear implant system products are registered in the US?

54 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Fully-implantable middle ear implant system", from 1 companies. The largest labeler is Envoy Medical Corporation with 100% of records.

Which FDA product codes apply?

OAF (Implant, Hearing, Active, Middle Ear, Totally Implanted)

Is this the same as UAE/GCC registration?

No. GUDID is the US register. For the UAE (MOHAP/DoH) and Saudi (SFDA/MDMA) a separate registration and a local authorised representative are required; Consulting Wallah can check the status and connect you with registered suppliers.

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Source: FDA AccessGUDID (AccessGUDID full release 2 Nov 2026); counts are device records in commercial distribution grouped by GMDN preferred term; companies are labelers of record. Information only — US listing is not a registration in the UAE or GCC; verify with the regulator. © Consulting Wallah — CC BY‑NC‑ND.

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