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When to repair, sharpen or replace surgical instruments

Updated 14 October 2026 · 3 min read

Surgical instrument repair is one of the most cost-effective ways to keep a hospital's reusable stock safe and reliable. Instruments are reprocessed hundreds of times, and wear shows up in dull scissors, loose joints, ratchets that slip and jaws that no longer meet. This guide explains the signs of wear, how to test sharpness, when to repair and when to replace, and what to ask a service provider in the UAE.

Signs that an instrument needs attention

Look for scissors that crush or pull instead of cutting, joints with excessive play, ratchets that open under light pressure, jaws that do not meet at the tips, needle holders that let the needle rotate and forceps whose tips have drifted apart or whose teeth are bent.

Surface damage matters too. Pitting, rust spots, cracked inserts, peeling coatings and rough, burred edges can harbour contamination and damage tissue. Remove such items from service until assessed. See parts of a surgical instrument for where to look.

It also helps to review a sample of instruments from each set every month, since small faults caught early cost far less than replacing complete sets.

Testing sharpness and function

Test scissors by cutting a single layer of thin test material along the full length of the blades, from the pivot to the tips. A clean cut with no tearing or folding indicates sharp, well-aligned blades. Test needle holders by closing on a needle and checking that it stays put; test haemostats by closing on a gauze strip and checking that the ratchet holds.

Build these checks into reprocessing, with a standard log. Under magnification, check tips and edges for burrs. Where TC inserts are used, check they are seated and uncracked.

  • Scissors: full-length clean cut on thin material
  • Needle holders: needle does not rotate
  • Haemostats: ratchet holds, jaws meet
  • Forceps: tips aligned, teeth intact

Sharpening: what is possible and what is not

Plain steel scissors can usually be sharpened by a qualified service, but sharpening removes metal and must be done at the correct angle and with proper equipment. Home-made or non-specialist sharpening risks changing the blade geometry. Scissors with TC or special edges, such as REDA's SuperCut and TC scissors, need specialist handling.

Sharpening is not a cure for every fault. Loose joints, cracked blades or worn ratchets need mechanical repair or replacement. If you want to understand why edges wear, read our overview of quality grades of surgical instruments.

Repair versus replace

Repair is usually worthwhile for good-quality instruments with a fault that can be fixed, such as sharpening, realigning, replacing a screw or re-seating an insert. Replacement is more sensible when the instrument is bent, cracked, heavily pitted or when repair cost approaches the cost of a new item.

Keep a record of each instrument's repair history. If the same pattern fails repeatedly, the issue may be the quality of the instrument or the way it is handled, and the answer may be a different supplier or a training intervention.

Service options and what to ask a provider

Service options in the UAE include the manufacturer or its distributor, specialist instrument repair companies and in-house sharpening for some departments. Ask who performs the work, what tolerances and tests are used, how long it takes, whether warranty is preserved and what happens to parts removed from the instrument.

Our maintenance services team can advise on service routes for REDA instruments supplied through Beckfinity. Contact us to discuss your stock and request a quotation for replacements.

Frequently asked questions

How often should surgical scissors be sharpened?

There is no fixed interval. Test them regularly and sharpen or replace when they pull or crush instead of cutting cleanly.

Can I sharpen surgical scissors myself?

It is not advisable. Incorrect angles or equipment can damage the blade geometry, so use a qualified service.

How do I know if an instrument should be replaced?

Replace instruments that are bent, cracked, heavily pitted or whose repair cost approaches the cost of a new one.

Are spare parts available for surgical instruments?

Some parts, such as screws or inserts, can be replaced by a service provider depending on the instrument design. Ask the supplier.

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