Computer-Aided Robotic Navigation for Knee Replacement

What is Robotic Navigation Knee Surgery?

It is an advanced surgical procedure aimed at performing knee replacement surgery with greater accuracy and precision. Although it sounds like a complicated procedure, this surgery is an established practice and dates back to the early 1990’s.

The whole concept of ‘robot surgery’ might sound intimidating , but a robotic total knee replacement surgery is carried out by the surgeon and not by robot. The technology helps the doctors to carry out the whole process with precision and perfection than is possible with the conventional techniques. Although the robot makes demands, it is fully controlled and instructed by the surgeon.

It is a hand-held tool that performs as the surgeon moves; it is a perfect combination of innovative technology and expertise of the consultant.The system also uses bone-surface mapping to collect tailored information about the patient’s knee, which helps build a customized 3D digital model of the knee to determine the right size of implant for the patient. This technology offers faster recovery and better results over the traditional procedure.

Why Robotic Navigation Knee Replacement Surgery?

There are numerous advantage of this technology over traditional:

  1. No CT Scan is required as the surface mapping technique itself creates a 3D model.
  2. This technology leads to less pain due to less invasive procedures.
  3. Faster recovery time than the traditional procedure.
  4. Lower chances of revision after the procedure.It leaves patients more satisfied as the system offers partial rather than the full knee replacement.

This technology re-assures the patients and allows them to focus on proper rehabilitation and exercises. It offers quicker recovery, reduced hospital stay and a faster return to work post surgery. It provides longer lasting results.

What happens during the surgery?

Robotics- assisted surgery allows the surgeons to be more specific while choosing and implanting a prosthesis. It significantly helps to enhance the accuracy of the procedure.
Instead of predetermined angles and measurements to plan the procedure,an advanced software helps the surgeon to mark the correct place for the individual joint.

This accuracy helps to improve long- term patient satisfaction after the surgery. With traditional methods, the repeat surgery is comparatively higher. There might be inaccuracy in the way the knee moves, the alignment of the knee, rotational profile or subtle changes in the ligament balance.

With robotic assisted knee surgery, the new knee is more like their own , more moveable and natural.

Post Operative Care
  • Every individual’s healing journey is different. But it will be affected by following factors:
    How active the individual was before the surgery.
  • The day to day activities.
  • Nature of employment.
  • Age of an individual.

Although the person might recover sooner than the patient recovering from the surgery performed through the traditional techniques; it is advisable for the patients to consult their doctors before starting any rigorous activity.



As with any major surgical procedure, there are certain potential risks and complications involved with Robotic surgery but it is less than 1%. The possible complications after the surgery include:

  • Infection
  • A Blood Clot
  • Scarring
  • Swelling
  • Haemarthrosis
  • Damage to nerves
  • Fracture

It is an intermediate surgery. It is often performed as a day care procedure where the patients are discharged on the same day of the surgery. It is the most successful surgery in terms of treating the minor ailments. It is a tailored treatment plan with more accuracy.

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