What you will learn
By the end of this topic, you should be able to define packaging-system requirements, distinguish protective packaging from a sterile barrier, plan representative distribution and ageing evidence, and integrate packaging with product, sterilisation and usability decisions.
Packaging is part of the device system
Packaging protects the device from physical, environmental and microbiological hazards while enabling identification, distribution, storage and safe presentation to the user. Its design should begin with the device, intended use, route to market and expected handling—not with a preferred carton.
Validate the complete packaging system in the condition in which it will actually be processed, shipped, stored and opened.
Translate the distribution lifecycle into requirements
Protection
Shock, vibration, compression, puncture, abrasion, moisture, light, temperature and contamination.
Compatibility
No harmful interaction with device materials, coatings, drugs, sensors or sterilisation processes.
Identification
Labels, unique device identification, warnings and traceability remain legible and attached.
Use
Users can handle, inspect and open the packaging without avoidable contamination or damage.
Storage
The device and packaging maintain performance for the claimed time and conditions.
Sustainability
Material and volume choices are considered without compromising safety or regulatory requirements.
Represent the real distribution route
Map unit, shelf and shipping configurations together with palletisation, carriers, altitude, temperature, humidity, vibration, drops, compression and handling. Testing should reflect the worst credible route and configuration, including less-than-full shipments where relevant.
Condition samples before distribution simulation when temperature or humidity can affect materials. Inspect both packaging and device afterwards, then perform functional or sterile-barrier testing appropriate to the identified hazards.
Distinguish the sterile barrier from protective packaging
For a terminally sterilised device, the sterile barrier system provides the minimum barrier that prevents microorganism ingress and permits aseptic presentation. Protective packaging may surround it to prevent damage during handling and distribution.
- Define microbial barrier and seal-integrity requirements.
- Select materials compatible with the sterilisation method and device.
- Validate forming, sealing and assembly processes.
- Control seal parameters, equipment, inspection and changes.
- Evaluate aseptic presentation and opening usability.
- Demonstrate integrity after sterilisation, distribution and ageing.
Coordinate this work with MTL-124 — Sterilisation and Microbial Control.
Support shelf life with device and packaging evidence
A shelf-life claim must consider every time-dependent characteristic that can affect safety or performance: materials, adhesives, batteries, lubricants, drugs, calibration, coatings, seals, package strength and microbial barrier.
Accelerated ageing can provide earlier evidence when its model and temperatures are scientifically justified. It does not eliminate real-time ageing. Define how accelerated and real-time studies, production lots, sterilisation exposure and distribution conditioning fit together.
Build a connected validation programme
Predefine sample selection, worst cases, acceptance criteria and statistical rationale. Record deviations and evaluate failures as product-system evidence—not merely packaging defects.
Assess apparently small changes carefully
Material gauges, coatings, adhesives, suppliers, sealing equipment, sterilisation load, carton geometry and pallet pattern can change performance. Use risk and technical rationale to determine necessary verification, validation, ageing or regulatory action.
Common misconceptions
“Passing a shipping test proves shelf life.”
Distribution and ageing address different stresses and must be connected to device and package requirements.
“Accelerated ageing replaces real-time evidence.”
It supports an early claim under justified assumptions; real-time studies should continue.
“The carton is only a marketing decision.”
Packaging configuration can affect protection, labelling, usability, sterilisation and regulatory evidence.
Authoritative external references
- ISO 11607-1:2019 — Packaging for terminally sterilized medical devices — Part 1
- ISO 11607-2:2019 — Validation requirements for forming, sealing and assembly processes
- ISO 13485:2016 — Medical devices — Quality management systems
Confirm the applicable amendments, recognised consensus standards and market-specific expectations.
Packaging evidence must represent the complete journey
Demonstrate that the device and its packaging remain safe, functional, identifiable and usable after processing, distribution and the claimed storage period.