Applicable rules
Confirm market, device class, reusable status, exceptions, data issuing agency and implementation dates with regulatory specialists.
Application-led medical device identification
Medical device UDI direct marking for applicable reusable products
Engineer permanent machine-readable and human-readable identification around the device material, reprocessing cycle, data rules and applicable regulatory requirements.
Application-led specification
Direct marking must be defined against the applicable requirement
Unique Device Identification can use a carrier containing device identifier and, where required, production identifier data. Some reusable devices may require the UDI carrier directly on the device when the applicable rules and exceptions call for direct marking. The manufacturer remains responsible for determining the regulatory and data requirements for each product and market.
Oxford Traceability can engineer laser marking, code reading and verification around suitable metals or polymers. Trials consider legibility after the intended cleaning, disinfection, sterilisation and service cycles, as well as mark location, corrosion strategy, surface finish and device function.
The marking station can receive authorised UDI data, confirm the device and recipe, apply the DataMatrix and human-readable content, validate the decoded value and retain the agreed production result. Project documentation and validation support are defined with the customer.
Arrange a marking trialSpecify the complete process
Four factors that shape the right system
Mark quality, production control and traceability are developed together on representative components.
Reprocessing durability
Test the mark against the device's validated cleaning, disinfection, sterilisation and expected use cycles.
Biocompatibility and function
Mark location and material change require manufacturer risk assessment and approval under the device quality system.
Data and validation
Control UDI content, software access, recipes, audit information and acceptance evidence to the agreed validation plan.
Buyer-intent applications
Common production requirements
The equipment is configured around the real component flow, acceptance criteria and data ownership.
Reusable instruments
Small permanent codes supporting identification through repeated reprocessing cycles.
Discuss this applicationMetal devices
Laser-applied DataMatrix and text on suitable stainless steel, titanium or coated surfaces after trials.
Discuss this applicationEngineering polymers
Non-contact marking on compatible formulations where durability and device safety are approved.
Discuss this applicationAnswer first
What should a UDI direct marking project include?
Start with the markets and rules that apply to the specific device. Define the approved UDI content, direct-marking requirement or exception, available area, required lifetime and reprocessing exposure. Then prove the marking process on representative finished devices.
Reading and verification should use controlled geometry and lighting. Data validation confirms the decoded UDI matches the authorised record; any formal symbol-quality grading method and acceptance threshold should be agreed in the user requirement specification.
Current reference points
Standards interpreted within the application
Where specified, systems can be developed around current symbol-quality, symbology and data requirements. The contract, drawing and end-user acceptance criteria remain authoritative for each project.
Authoritative references: ISO/IEC 29158:2025, ISO/IEC 16022:2024 and GS1 DataMatrix guidance.
Also review MHRA guidance on regulating medical devices in the UK and the European Commission UDI direct-marking guidance for the markets you supply.
- ISO/IEC 29158:2025Direct part mark symbol quality methodology
- ISO/IEC 16022:2024Data Matrix symbology specification
- GS1 DataMatrixApplication Identifiers and structured data
- Customer requirementsApplication-specific data, quality and evidence
Questions answered
Medical device UDI direct marking for applicable reusable products FAQs
Direct answers for engineers, quality teams and equipment buyers.
No. Requirements depend on the market, device, reusable status, implementation dates and available exceptions. The legal manufacturer should determine the applicable obligation before equipment is specified.
It can on suitable materials when the process is developed correctly, but durability must be tested against the device's actual validated cleaning and sterilisation cycles.
Yes, where the layout and marking area allow it. The authorised data structure, character size, symbol size and quiet zone should be approved before production.
Oxford Traceability supplies and integrates marking, vision and traceability equipment. The device manufacturer and its regulatory specialists remain responsible for product compliance, validation and release decisions.
Talk to an applications engineer
Prove the process on your component
Send a drawing, marked sample or specification with the material, code, cycle time and required production interfaces.