Preparatory Prosthesis
What is a preparatory prosthesis?
A preparatory, or temporary, prosthesis is a functional limb used after the surgical wound has healed enough and residual-limb swelling has begun to settle, often around 6 to 10 weeks, longer if healing is slow. Sockets and some components are expected to change. It is not the final cosmetic or definitive limb.
Why is a preparatory prosthesis used?
The residual limb continues to change shape for many months after amputation. A preparatory prosthesis lets the patient start standing, walking, and therapy before volume is stable enough for a definitive socket. The Amputee Coalition defines it as an unfinished, functional replacement used to speed rehabilitation, control edema, and prepare the limb for daily prosthetic wear. Several socket refits are common in this phase.
What are the benefits of a preparatory prosthesis?
- Allows earlier weight-bearing and gait training
- Helps manage swelling and shape the residual limb
- Lets the team change sockets and components as function improves, without committing to the definitive device too soon
- Supports a return to daily activity during the months of greatest volume change
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