Mr Freedman - Orthopaedic Surgeon
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Partial Knee Replacement, also known as Unicompartmental Knee Arthroplasty or Hemiarthroplasty. is a surgical procedure which resurfaces only one aspect of the knee joint rather than the whole joint: either the inside half of the knee (medial compartment); outside part of the knee (lateral compartment); or the kneecap (patellofemoral) joint.
Compared to total knee replacement, the incision for unicompartmental replacement is smaller, a more limited aspect of the knee is operated on, blood loss is reduced and recovery is usually quicker than from a total knee arthroplasty. Patient satisfaction is usually high.
Partial Knee Replacement is best reserved for patients with localised damage in only one aspect of the knee.
In recent years, new advanced technologies have emerged to assist orthopaedic surgeons to reliably achieve accurate implantation of partial knee replacement prostheses.
These include (i) use of Patient-Specific Instruments and (ii) use of Robotic-assisted surgery.
The most commonly used robotic platform is called “Mako” and therefore some people will refer to a partial knee replacement performed with the robot as a “Makoplasty”procedure.
Mr Freedman currently often advises Patient-Specific Surgery.
With this technique, the patient will have a three dimensional scan of the knee performed. The scan is sent to Europe where the images will then be modelled and a model of the knee printed on a high grade medical 3-D printer. Patient-specific instruments will then be designed to fit the 3D printed model and will then be sent to Australia for your surgery. Use of pre-operative 3-D planning allows for accurate and reliable surgery.
When strict selection criteria are adhered to, the results are generally very good. To be a candidate for partial knee replacement a patient requires:
(1) Minimal deformity of the knee joint
(2) A sufficient range of motion
(3) An intact anterior cruciate ligament
(4) Absence of inflammatory arthritis
(5) Isolated wear of only 1 knee compartment
To discuss partial knee replacement options with Mr Freedman please contact our office for an appointment:
Tel (03) 9532 3333
At your consultation Mr Freedman will assess your knee symptoms and scans will and advise you as to whether you are a suitable candidate for partial knee (unicompartmental) replacement surgery.