Advances in robot-assisted technology have made it possible for orthopaedic surgeons to introduce joint replacement surgery to an even higher level of success over the past decade. The latest robot-assisted knee replacement surgery provides many advantages for patients suffering from degenerative wear and tear caused by arthritis (also known as osteoarthritis). Such patients are ideally suited for this tissue and bone saving and highly sophisticated procedure.

Surgeons have been using robotic-assisted equipment effectively for more than a decade in joint replacement procedures. There is also growing evidence that suggests robotic joint surgery provides advantages over conventional procedures.

How robot-assisted knee replacement surgery work?

As the name suggests, robot-assisted knee replacement surgery is performed by the orthopaedic surgeon with the precision of a robot. In this procedure, the surgeon firstly uses the robotic device to create a simulated 3-D model of the diseased joint based on a CT scan before the joint replacement surgery. The surgeon uses this model or prototype to create a personalized, detailed pre-operative plan for the entire operation. This pre-operative preparation allows the most accurate results to be obtained by the surgeon.

The surgeon directs the robotic arm during surgery based on the pre-operative plan. The system supports the positioning of each joint component by the surgeon. Although the system prevents the surgeon, during surgery from going beyond pre-planned boundaries, he or she may make adjustments if required. The robotic arm can function only in that pre-defined location, so there is no possibility that an instrument will slip and damage adjacent tissues. This guarantees precision and accuracy.

What are the benefits of assisted knee replacement surgery?

Robot-assisted knee replacement offers excellent manoeuvrability, personalized joint replacement components, reduced recovery time precision and improved surgical outcomes.

Robotic-arm technology adapts the joint replacement implant to the patients’ particular anatomy, ensuring that the new joint will match more precisely. It also means that the surgery would require less bone removal and tissue damage than a conventional surgery would need. Using this technique results in less unsuccessful operations, improved alignment and less impingement (damage to the artificial joint components caused during movement as they rub together).

Some of the major benefits of robotic-assisted knee replacement surgery are as follows:
• Better accuracy in placement and alignment of the implants
• Possibility of prolonged joint replacements
• Smaller incision and minimal blood loss
• Lesser damage to surrounding tissues
• Shorter hospital-stay with faster recovery
• Little to no scarring

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