Short answer: Instruments are cleaned, sterilised and stored in perforated trays or baskets, then wrapped or placed in rigid sterilisation containers. Containers protect instruments and reduce wrap waste; wraps are lighter and flexible. Choose sizes that fit your instruments, washers and sterilisers.
Main options

- Perforated tray: Holds sets through reprocessing
- Mesh basket: Good water and steam flow
- Rigid container: Reusable, protects instruments
- Filters or valves: Let steam in, keep microbes out
- Silicone mats: Protect delicate instruments
- Instrument holders: Keep items in place
Wraps vs containers
| Wraps | Rigid containers | |
|---|---|---|
| Protection | Lower | High |
| Waste | Single-use wrap | Reusable |
| Upfront cost | Low | Higher |
| Handling | Can tear | Durable |
Choosing a container

- Measure your sets
- Check washer and steriliser sizes
- Choose filter or valve type
- Check weight limits
- Plan labelling
- Train staff on closing and checking
Container checks before use

- Lid seals intact
- Filters in place and within life
- Latches lock
- No dents affecting seal
- Indicators and labels attached
In detail: weight and safety
Heavy sets are hard to handle and dry. Many guidelines suggest limits on set weight, which may mean splitting large sets.
Worked example
A hospital replaces wraps with containers for its most used sets, cutting wrap waste and torn-pack rejects.
Proof box
Proof: Sterile barrier systems, including rigid containers, are covered by ISO 11607 and must be validated with the sterilisation process.
Frequently asked questions
Do containers need filters? Many use filters or valves; follow the maker’s instructions.
Can containers be washed? Yes, in suitable washers.
Are mats necessary? They protect delicate instruments.
Which is cheaper? Wraps cost less upfront; containers can cost less over time.
Glossary
- Rigid container: reusable sterilisation box.
- Filter: barrier allowing steam in.
- Mat: silicone pad protecting instruments.
Key takeaways
- Protect instruments in trays
- Containers reduce waste
- Check seals and filters
Standards and sources
- ISO 11607 (ISO search)
- Related: sets by procedure (see Surgical instrument sets by procedure: the complete guide)
Sets in trays from Tata Surgical
Looking for instruments like these?
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