Robotic-assisted TKR/THR
Robotic assisted replacement surgery is an advancement build over computer navigated surgery.
The bony cuts in a computer navigated surgery are still made by human hands whereas in robotic surgery the bony cuts are made by the robotic arm which further reduces chances of human error and introduces precise reproducibility.
The pre planning is much more precise as compared to conventional/navigated surgery.
In knee replacement surgery, the arthritic portion of the knee is removed and covered with a combination of plastic and metal parts that form the new surfaces of the knee joint.
During robotic knee replacement, surgeons use computed tomography (CT) scans/real time intraop scan to build a virtual model of the patient’s knee.
With that model as guide, the surgeon then uses the robotic arm to embed the components of the new knee precisely.
The procedure offers similar benefits in Hip replacement esp. in placement of acetabular socket.
If you’re a good candidate for traditional knee/hip replacement surgery, you’re a good candidate for robotic knee/hip replacement as well.
Your orthopedic surgeons determine the appropriate procedure on an individual basis.
Depending upon the robotic system used, surgeons capture digital computed tomography (CT) scans of your knee/hip, or, a 3D model of the knee/hip is constructed intraoperatively .
This data allows surgeons to determine where to place the implant. During the procedure, the surgeon uses the robotic arm to precisely shape the surrounding bone or the reamer for a total hip replacement before placing the implant. Real-time video images provide visual reinforcement, which helps surgeons navigate hard-to-see areas.
At the same time, the system creates a predefined, three-dimensional “envelope” of space in which the surgeon works. The robotic arm will only operate in that predefined space, preventing them from accidentally damaging the surrounding tissue.
One of the most common misconceptions about robotic replacement is that the surgery is done 100% robotically. That’s simply not the case – while the procedure is assisted by a robotic arm, your orthopedic surgeon is still in control. The robotic arm’s only job is to help the surgeon perform with greater precision.
Because robot-assisted techniques are relatively new, many of the long-term benefits haven’t been properly studied yet. But short-term benefits, like the potential for reduced recovery time, are quickly becoming apparent.
With a traditional replacement, the average patient won’t be able to resume normal activities like driving and going to work until 4 to 6 weeks after surgery.
Robot-assisted technology could potentially cut this recovery time in half. Smaller incisions combined with greater surgical precision means that less bone and tissue is disturbed, speeding up the body’s natural healing process.
While we have the evidence to prove that robotic surgery is more accurate than traditional surgery, the benefits of this improved accuracy are yet to be fully understood. We are hopeful that that improvement in accuracy will lead to better outcomes.
Because partial knee replacements have been using robotic technology longer than complete replacements, they have the most evidence to support improved outcomes for patients. More research is needed to determine if robot-assisted technology is as effective for total knee replacement.
The precision of robotic-assisted surgery allows for:
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