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During Partial Knee Replacement Surgery

Step-by-Step Guide to the Procedure for a Successful Outcome

Introduction to the Procedure

Partial Knee Replacement is a minimally invasive surgery where only the damaged part of the knee joint is replaced, preserving the healthy bone, cartilage, and ligaments. The procedure is designed to relieve pain, improve mobility, and provide long-term knee function.

The surgery is performed under anesthesia and typically takes 1 to 2 hours, depending on the complexity of the case.

Step-by-Step Process of Partial Knee Replacement

Step 1: Pre-Surgical Preparation
  • Patient is prepped in the operating room – The knee area is cleaned and sterilized.
  • Anesthesia is administered – Either general anesthesia (puts you to sleep) or spinal anesthesia (numbs from the waist down) is used.
  • Positioning the Leg – The surgeon places the leg in a stable position to allow precise surgical movements.
Step 2: Incision & Exposure of the Knee Joint
  • A small incision (usually 3-5 inches long) is made over the knee.
  • The surgeon gently moves soft tissues aside to expose the damaged knee compartment.
  • The healthy ligaments and cartilage are preserved, ensuring natural knee function post-surgery.
Step 3: Removal of Damaged Bone & Cartilage
  • The surgeon carefully removes only the affected portion of the knee joint.
  • Specialized surgical tools help reshape the bone to prepare it for the implant.
  • A balance check ensures proper joint alignment before placing the new implant.
Step 4: Implant Placement & Fixation
  • The artificial implant, made of metal and high-grade plastic, is positioned to replace the damaged knee section.
  • The implant is secured using bone cement or press-fit techniques for long-term stability.
  • The surgeon tests knee movement and alignment to ensure proper fit.
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