Prosthetics
Prosthetic Repairs or Replacement: What Needs Assessment?
By Maegan Morrison, AOPA Certified prosthetist and orthotistUpdated
A problem with a prosthesis does not always require a whole new limb. A socket may need a fit adjustment, a worn interface may need replacing, or a component may need servicing. The right next step depends on the cause, the condition of the parts and what you need the prosthesis to do.
When to Stop and Arrange Help
A new noise, loose part, crack, damaged attachment or change in how a prosthesis behaves needs attention. If it feels unsafe, stop using it and contact your prosthetist. Do not try to tighten structural connections or keep testing a suspected failure by walking on it.
Tell the team what happened and whether you have safe alternative mobility. If the prosthesis was damaged in a fall, explain that too. You may need a clinical review as well as an inspection of the device.
For rubbing, pain or a sore, the first issue may be fit rather than a mechanical repair. Our socket review guide covers those changes. A wound or new medical symptom also needs advice from a treating clinician.
Four Different Decisions
| Option | What it addresses |
|---|---|
| Fit or alignment review | How the socket contacts your limb and how the prosthesis works in use. |
| Repair or servicing | A worn or faulty part, a mechanical problem or required manufacturer maintenance. |
| Socket replacement | A fit or limb-shape change that cannot be adequately addressed in the existing socket. |
| New prosthesis | A wider change in requirements or a set of components that is no longer suitable or serviceable. |
These options can overlap. A socket replacement may also need a new liner. A repair may reveal that another component is due for servicing. Ask the prosthetist to separate each item in the proposed work so you understand what is changing and why.
Age alone does not tell you which option is right. The assessment includes wear, safety, fit, compatibility, your health and your activities. A component that is still usable may be retained if it remains appropriate.
What an Inspection Looks At
Bring the whole prosthesis, including the usual liner, sleeve and shoes where relevant. An inspection can consider the socket, suspension, connecting parts and joints, along with the foot or upper-limb device. Electronic systems may have their own diagnostic and servicing requirements.
- What has changed in comfort, movement or performance?
- Was there a fall, impact, water exposure or other event?
- Which part is damaged, worn or due for a scheduled service?
- Can the part be repaired, or does it need manufacturer assessment?
- Will existing parts remain compatible after the proposed change?
Keep the model information, serial numbers, warranty documents and previous service records if you have them. You do not need to dismantle the device to find a label. The provider can help identify the parts.
Align reviews and repairs prostheses made by other providers. Its repairs service page notes that some parts and warranties are tied to the original provider. Those arrangements need to be checked before work is agreed.
When a Socket or Whole Limb May Need Replacing
A new socket may be considered when changes in limb shape or fit cannot be managed adequately by adjusting the existing one. The prosthetist checks whether the foot, knee, hand or other parts can be used with it.
A complete new prosthesis is a separate decision. It may be relevant when several components are no longer suitable, parts cannot be serviced, or your assessed requirements have changed. A new activity goal does not automatically require a new device; a review should establish what is needed.
Ask for the reason in plain language. For example, is the problem limited to socket fit, or does the prosthetic foot no longer meet the intended use? What would a repair achieve, and what would remain unresolved?
Our prosthetic foot types guide explains component questions. The funding guide explains why a quote may include a socket, components, fitting appointments and consumables as separate items.
Quotes, Warranty and Funding Approval
Before agreeing to work, ask for an itemised quote and a clear statement of who pays. Warranty coverage, available funding and any approval requirement are separate questions. A warranty is not a promise that every repair or accidental damage is covered.
The NDIS provides guidance on repair budgets, quotes and claims. Check the available funds and management arrangement for your plan. If there is not enough funding, contact the NDIS or your plan manager to establish the next step. Do not assume the full invoice will be reimbursed.
For QALS-funded prostheses, Queensland Health says socket replacement and major component replacement require inspection by the prosthetic service provider and prior QALS funding approval. Check the current process with the provider managing the funded limb.
- What is the assessed problem and proposed work?
- Which existing components can be retained?
- Is any part covered by warranty, and who confirms that?
- What approval is needed before the work starts?
- Are fitting, reviews, transport or temporary equipment included?
- What is the expected turnaround once parts and approval are confirmed?
A funding scheme’s expected service life is not an automatic replacement entitlement or a guarantee that a limb remains safe for that period. The need for repair or replacement must still be assessed.
Care After a Repair or Replacement
Ask what has changed and whether you need another fitting, alignment check or training session. A replacement component is not always interchangeable in everyday use. Follow the instructions for your fitted device.
Before returning to your usual activity, confirm how to check the fit and suspension, what maintenance is due and which warning signs to report. Keep the repair report and warranty information with your other prosthetic records.
Report a fault that returns or a new discomfort after the work. Useful details include the task, time of day and any sound or change you notice. You do not have to decide whether it is a workmanship, fitting or component issue before contacting the provider.
For your next review, bring the updated prosthesis and the accessories you actually use. A clear account of everyday function helps the team judge whether the repair or replacement has addressed the original problem.
Frequently Asked Questions
How often should a prosthetic leg be replaced?
There is no fixed interval that applies to every leg. Fit changes, wear, component condition, servicing requirements and assessed needs determine whether an adjustment, replacement socket or new prosthesis is required.
Can Align repair a prosthesis made by someone else?
Align’s repairs service includes reviews and repairs of prostheses made by other providers. The provider will check component access, compatibility and any warranty arrangements before agreeing to the work.
Will funding pay for every prosthetic repair?
Coverage depends on the scheme, available funding, warranty and the work required. Confirm the payment and approval process before work begins. A repair or replacement is not automatically free.
Related Guides and Services
Sources
Clinical guidance and manufacturer information checked on 10 October 2026. Your own fitting plan and the instructions for your device take priority.
About the author
Maegan Morrison
Maegan is an AOPA Certified prosthetist and orthotist on the Sunshine Coast. She runs Align Prosthetics and sees every client herself, at home or at the Birtinya clinic.
About MaeganFind Out What Needs Repairing
Speak with Maegan about the problem, how it affects your day and what needs assessment before a repair or replacement.
Open 7 days, 9am to 7pm. Home visits across the Sunshine Coast or our Birtinya clinic.