Partial Knee Replacement
When arthritis is confined to one compartment, only that surface is resurfaced. Ligaments and healthy cartilage stay untouched — which is why a partial knee feels more natural and recovers faster.
Partial Knee Replacement — 3D Animation (1:10)See how the procedure is performed step-by-step in this animation.
Watch. Understand. Feel Confident.
1:10Partial Knee Replacement — 3D Animation
See how the procedure is performed step-by-step in this animation.
1:04Unicompartmental Technique (Real Footage)
For medical professionals: the surgical technique of a partial knee replacement, step by step.
For Medical Professionals
1:18Recovery After Partial Knee Replacement
Walking on day one, driving, and the return to golf, cycling and hiking.
Bone Preserving
1–2 Nights Stay
60–75 Minutes
Natural FeelSurgical Steps (Overview)
Compartment Confirmation
Imaging and examination confirm the other compartments are healthy.
Small Approach
A short incision spares the extensor mechanism.
Precise Resurfacing
Only the worn femoral and tibial surfaces are prepared.
Implant Placement
Compact components are aligned to your own ligaments.
Balance Check
Motion and stability are tested through the full arc.
Recovery Timeline (Step by Step)
Day 1Standing and walking with support · Pain protocol · Discharge planning
Week 1–2Walking without aids for most patients · Motion and swelling control
Week 3–6Strengthening · Cycling · Return to office work and driving
Week 6–12Full daily activity · Hiking · Golf and swimming
Month 3–6Full function · Low-impact sport without limits*A partial replacement preserves the cruciate ligaments and the healthy compartments. That retained anatomy is what patients describe as a knee that feels like their own rather than an implant.
Patient selection is everything: the arthritis must be truly isolated, the ligaments intact and the deformity correctable. Where that holds, results are excellent and recovery is markedly quicker than a total replacement.
- Arthritis limited to one compartment on X-ray
- Pain localised to the inner or outer side
- Intact ligaments and good range of motion
- Wish for a faster recovery and a natural-feeling knee
- Imaging assessmentWeight-bearing X-rays, sometimes MRI, to confirm suitability
- PrehabilitationStronger muscles before surgery mean faster walking after
- Home preparationClear walkways, arrange help for the first days
- Medical reviewDental and general health check, medication review
A partial knee, in the right knee, is one of the most satisfying operations in orthopaedics — patients forget they have an implant. The skill lies in selecting the patient honestly, not in the implant itself.
Questions & Answers
How long does a partial knee last?
Is recovery really faster?
Can arthritis develop in the other compartments?
What activities are allowed?
Will I know it is there?
Am I too young for this?
Note: This information is for general education only and should not replace a consultation with your doctor.
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