• Arthroscopy


  • Posterolateral

    • Posterolateral corner repair and reconstruction
  • Osteotomy: joint preservation surgery

    • Tibial osteotomy
    • Femoral osteotomy


  • Knee replacement

    • Total knee replacement
    • Unicompartmental knee replacement
    • Primary and revision procedures
    • Patient specific instrumentation
    • Computer navigation
    • Robotic surgery
  • Trauma

    • Acute management of all bony and soft tissue trauma about the knee

More information

For further information on knee injuries, see here.

Services Provided


The arthroscope is a fiber-optic telescope that can be inserted into a joint (commonly the knee, shoulder and ankle) to evaluate and treat a number of conditions. A camera is attached to the arthroscope and the picture is visualized on a TV monitor. Most arthroscopic surgery is performed as day surgery and is usually done under general anesthesia. Knee arthroscopy is common, and millions of procedures are performed each year around the world.


Injuries to the posterolateral corner of the knee joint often occur with ACL ruptures and PCL ruptures. The posterolateral corner injury results in increased rotation of the tibia. Therefore, when an ACL or PCL is reconstructed and the posterolateral corner is not reconstructed, abnormal rotational forces cause the ACL or PCL reconstruction to sometimes fail early. The posterolateral corner can be rebuilt. The surgical technique is performed as an outpatient procedure, and we usually do it in combination with ACL reconstruction or PCL reconstruction for the patients who have posterolateral corner instability. The rehabilitation of the posterolateral corner reconstruction follows a very specific plan.

Osteotomy: joint preservation surgery

Knee osteotomy is commonly used to realign arthritic damage on one side of the knee. The goal is to shift the patient’s body weight off the damaged area to the other side of the knee, where the cartilage is still healthy. Surgeons remove a wedge of the tibia from underneath the healthy side of the knee, which allows the tibia and femur to bend away from the damaged cartilage. Osteotomy is also used as an alternative treatment to total knee replacement in younger and active patients. Because prosthetic knees may wear out over time, an osteotomy procedure can enable younger, active osteoarthritis patients to continue using the healthy portion of their knee. The procedure can delay the need for a total knee replacement for up to ten years.

Knee Replacement

Knee replacement, is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability. It is most commonly performed for osteoarthritis, and also for other knee diseases such as rheumatoid arthritis and psoriatic arthritis. In patients with severe deformity from advanced rheumatoid arthritis, trauma, or long standing osteoarthritis, the surgery may be more complicated and carry higher risk. Knee replacement surgery can be performed as a partial or a total knee replacement. In general, the surgery consists of replacing the diseased or damaged joint surfaces of the knee with metal and plastic components shaped to allow continued motion of the knee.

The operation typically involves substantial postoperative pain, and includes vigorous physical rehabilitation. The recovery period may be 6 weeks or longer and may involve the use of mobility aids (e.g. walking frames, canes, crutches) to enable the patient’s return to preoperative mobility.

Fee structure

Dr O’Neill’s fees are predominately based around the fees recommended by the Australian Medical Association (the AMA). The AMA publishes an annually updated schedule of suggested fees for each orthopaedic procedure and consultation.