Patient Specific Instrumentation (PSI) for Knee Replacement

Most recently, a new technique using Patient Specific Instrumentation (PSI) has been developed in an effort to improve accuracy and shorten surgical time. MRI scans of the knee provide us with a 3-dimensional model which allows unique custom fitted positioning guides to be designed specifically for the particular patient’s knee replacement surgery. The customised guides fit perfectly onto the patient’s knee, leading to a quicker and more accurate surgery. The other potential advantage is less blood loss due to fewer bone cuts.

Dr Kevin Lee was trained in Stanford University by one of the orthopaedic surgery pioneers of this technique- Professor William Maloney and he performed National University Hospital’s first PSI case in 2010. He also performed Southeast Asia’s first bilateral PSI knee replacement procedure in 2011. Dr Lee delivered a talk “Customised Instrumentation For Knee Replacement” at Stanford University, USA in February 2012 and has been interviewed multiple times about his experience with this knee replacement surgery technique.

Patient Specific Instrumentation PARTIAL KNEE REPLACEMENT

Pre-operative planning for
Dr Lee’s PSI unicompartmental knee replacement patient

Patient Specific Instrumentation

Actual Customised Cutting Guides Fitting Perfectly Onto Patient’s Bone





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Singapore 228510

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Singapore 427989
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Dr Kevin Lee
6737 0558 // 9727 8528 (24hr emergency)

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Dr Hee Hwan Tak
6737 0680 // 9771 8964 (24hr emergency)

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Dr Andy Wee
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