Computer navigation for total knee replcement

August 11th, 2016 (No Comments)

When performing Total Knee Replacement it is important to have the implants well aligned. This enables the weight bearing axis to fall evenly through the implant, and thus ensure its longevity. In much the same way as poor wheel alignment in your car causes uneven tyre wear, if your knee replacement is poorly aligned it […]

Travel after joint replacement

July 28th, 2016 (No Comments)

Generally, it is safe to travel long distances by plane from 6 weeks post joint replacement. This seems to be the higher risk period for complications such as Deep Vein thrombosis (DVT) and Pulmonary Embolus (PE). After 6 weeks, the risk has returned to normal background levels. Of course, all patients present different individual risk […]

The Role of Knee Arthroscopy in the presence of Osteoarthritis

July 14th, 2016 (No Comments)

Recently there has been discussion of the role of knee arthroscopy in the presence of degenerative osteoarthritis. This has led to some confusion among patients and doctors as to when such surgery is suitable, and when it should be avoided. The Australian Knee Society through the Australian Orthopaedic Association has published a document dealing with […]

Practice Update – What a busy couple of months!

June 30th, 2016 (No Comments)

Over the past few months I have been travelling a lot, both within the country and overseas. In May I travelled to Ho Chi Minh city in Vietnam to assist in education for some of the local orthopaedic surgeons. Ceramic hip replacement has been introduced into Vietnam, and I was part of a group to […]

Partial vs Total Knee Replacement – Which is better?

June 16th, 2016 (No Comments)

I am often asked whether patients should have a partial knee replacement as it is seen to be less invasive to the patient, giving a faster recovery and better function. Before answering this question, it is best to understand the fundamental differences between the two types of prostheses. A partial knee replacement is designed to […]

Managing Osteoarthritis – Information for patients and their carers

June 2nd, 2016 (No Comments)

Non Drug Management Land Based Exercise Pooled research shows that regular, guided exercise with strength training can have benefits similar to Non Steroid Anti-inflammatory medication Weight Loss Obesity is the single most important modifiable risk factor for knee osteoarthritis Even a 5% loss of weight can have a beneficial effect A 10% loss of weight […]

Computer Navigated Total Knee Arthroplasty

May 19th, 2016 (No Comments)

Computer navigated total knee arthroplasty is a proven and useful technique to help plan, execute and document knee replacement procedures. During the operation, the surgeon digitises preoperative information about alignment and instability and then plans the appropriate surgery in real time on the computer. The surgeon then places cutting jigs on the bone according to […]


May 6th, 2016 (No Comments)

Thank you for viewing our website. Dr Simon Coffey is an orthopaedic surgeon in Sydney, Australia. He specialises in Hip and knee surgery, and has a particular interest in sports related injuries, hip and knee reconstructive surgery and joint replacement.

Computer Navigated Knee Surgery gives insights into Knee movement pre and post operatively.

May 5th, 2016 (No Comments)

The figure below shows the range of motion and stability parameters of a knee before replacement surgery. It confirms a varus (bowed) knee with poor movement. After surgery, the knee moves better and demonstrates a more normal alignment. Surgeons and patients benefit from the information computer navigation brings to the operating theatre.

Asia Pacific Arthroplasty Society Meeting June 2014

April 21st, 2016 (No Comments)

I recently travelled to Chengdu, China for the recent APAS (Asia Pacific Arthroplasty Society) meeting. This was an international meeting, hosted by the West China University Hospital and co-chaired by Prof Pei Fuxing. I was privileged to co-chair the scientific committee where a prestigious international faculty from the U.S., U.K, China, Korea, Pakistan and India, […]