# Topographic Modeling System TMS-4N

> Active: European Union. Medical device record on deviCERTS, compiled from public registries.

- Canonical page: <https://devicerts.com/devices/topographic-modeling-system-tms-4n>
- Manufacturer: [Tomey Corporation](https://devicerts.com/manufacturers/tomey-corporation) (Japan)
- Device class: Class IIa (EU MDD); Class I (US FDA)
- FDA product code: MMQ
- EMDN: Z12120123 COMPUTERISED CORNEAL TOPOGRAPHS
- GMDN: Corneal topography system (18038)

## Registrations and authorizations

- **EUDAMED** · CE/MDD · European Union · Basic UDI-DI B-04582273603714 · UDI-DI 04582273603714 · registered 2026-10-07 · status: Active
- **GUDID** · GUDID listing · United States · UDI-DI 04582273603714 · listed 2022-04-01 · status: Listed (GUDID: in commercial distribution)

## Recalls

No recall on record.

## Identity

- Trade name: Topographic Modeling System [FDA GUDID (AccessGUDID)]
- Generic name: Corneal topography system [FDA GUDID (AccessGUDID)]
- Model / reference: TMS-4N [EUDAMED, FDA GUDID (AccessGUDID)]

## Identifiers

- Primary DI / UDI-DI: 04582273603714 [EUDAMED, FDA GUDID (AccessGUDID)]
- Basic UDI-DI: B-04582273603714 [EUDAMED]
- FDA product code: MMQ [FDA GUDID (AccessGUDID)]
- EMDN code: Z12120123 [EUDAMED]
- GMDN term: Corneal topography system (18038) [FDA GUDID (AccessGUDID)]

## Classification

- Device class: Class IIa [EUDAMED]; Class I [FDA GUDID (AccessGUDID)]
- Regulation number: 886.1350 [FDA GUDID (AccessGUDID)]
- EU registration type: Legacy device (under a directive) [EUDAMED]
- EU market of registration: Germany [EUDAMED]
- GUDID distribution status: In Commercial Distribution [FDA GUDID (AccessGUDID)]

## Properties

- Measuring function: Yes [EUDAMED]
- Premarket exempt: Yes [FDA GUDID (AccessGUDID)]
- Serial number: Yes [FDA GUDID (AccessGUDID)]
- Manufacturing date: Yes [FDA GUDID (AccessGUDID)]
- Supplied sterile: No [EUDAMED, FDA GUDID (AccessGUDID)]
- Sterilise before use: No [EUDAMED, FDA GUDID (AccessGUDID)]
- Single use: No [FDA GUDID (AccessGUDID)]
- Implantable: No [EUDAMED, FDA GUDID (AccessGUDID)]
- Reusable: No [EUDAMED]
- Contains latex: No [EUDAMED, FDA GUDID (AccessGUDID)]
- Reprocessed single-use device: No [EUDAMED]
- Incorporates a substance derived from human blood or plasma: No [EUDAMED]
- Contains human tissues or cells: No [EUDAMED]
- Contains animal tissues or cells: No [EUDAMED]
- Administering medicine: No [EUDAMED]
- Incorporates a medicinal substance: No [EUDAMED]
- Prescription use: No [FDA GUDID (AccessGUDID)]
- Over-the-counter: No [FDA GUDID (AccessGUDID)]
- Convenience kit: No [FDA GUDID (AccessGUDID)]
- Combination product: No [FDA GUDID (AccessGUDID)]
- HCT/P: No [FDA GUDID (AccessGUDID)]
- Lot / batch number: No [FDA GUDID (AccessGUDID)]
- Expiration date: No [FDA GUDID (AccessGUDID)]

## Source and citation

- Cite as: Topographic Modeling System TMS-4N, Tomey Corporation. deviCERTS medical device catalogue. https://devicerts.com/devices/topographic-modeling-system-tms-4n (data as of 2026-11-14).
- Data sources: [FDA GUDID (AccessGUDID)](https://accessgudid.nlm.nih.gov/), [EUDAMED](https://ec.europa.eu/tools/eudamed)
- Registry records last synced: 2026-10-23
- Statuses computed as of: 2026-11-14
- JSON: <https://devicerts.com/devices/topographic-modeling-system-tms-4n.json>
- Licence: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/). The deviCERTS layout and text are licensed under CC BY 4.0. Registry data remain under their source terms: U.S. FDA data (openFDA, AccessGUDID) are U.S. public domain; EUDAMED data are subject to the European Commission reuse terms.
- Attribution: DevicErts, https://devicerts.com/devices/topographic-modeling-system-tms-4n
- Compiled by deviCERTS (devicerts.com) from public medical device registries (EUDAMED, European Commission; U.S. FDA via openFDA; AccessGUDID, U.S. National Library of Medicine). deviCERTS is not an official register and gives no regulatory advice: the record in the registry itself prevails.