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Partial Knee Replacement Procedure

Step-by-Step Guide to a Minimally Invasive Knee Surgery

Introduction: A Precise & Effective Knee Solution

Partial Knee Replacement (also called Unicompartmental Knee Replacement) is a minimally invasive surgical procedure where only the damaged portion of the knee joint is replaced, preserving healthy bone and ligaments. This procedure is an ideal solution for individuals suffering from localized arthritis or knee damage, providing faster recovery, better mobility, and a more natural knee function compared to total knee replacement.

Benefits of Partial Knee Replacement

  • Preserves Healthy Bone & Ligaments
  • Smaller Incision & Less Scarring
  • Faster Recovery & Less Pain
  • More Natural Knee Movement
Step 1: Preoperative Preparation
  • Medical Evaluation & Tests – Blood tests, X-rays, MRI, and a physical exam determine eligibility.
  • Medication Review – Patients may need to stop certain medications like blood thinners before surgery.
  • Pre-Surgical Instructions – Fasting is required 6-12 hours before the procedure.
  • Physical Therapy Consultation – Patients learn pre-surgery exercises to improve post-op recovery.
Step 2: Anesthesia & Surgical Preparation
  • Anesthesia Administration – The patient receives either general anesthesia (fully asleep) or spinal anesthesia (numb from the waist down).
  • Sterilization & Positioning – The surgical area is cleaned, and the knee is positioned properly for precise access.
  • Incision Made – A small incision (3-5 inches) is made over the knee joint.
Step 3: Damaged Knee Tissue Removal
  • Accessing the Knee Joint – The surgeon carefully moves aside soft tissues to reach the affected knee compartment.
  • Removing Damaged Bone & Cartilage – Only the worn-out portion of the knee is removed while preserving healthy bone, ligaments, and tendons.
  • Bone Surface Preparation – The remaining bone is shaped precisely to fit the new implant.
Step 4: Implant Placement & Alignment
  • Inserting the Artificial Implant – A specially designed metal and plastic implant is securely attached to the prepared bone surface.
  • Precision Alignment – The implant is aligned correctly to restore natural knee movement and prevent future complications.
  • Cementing the Implant (if required) – Some implants use bone cement, while others are press-fitted to allow natural bone growth.
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