Robotic total knee Injuries

Robotic total knee arthroplasty uses certain software to convert anatomical images into a virtual three-dimension reconstruction of joints. This patient model is then used to calculate the measurement of the femoral and tibial bone resection and select the exact size of the implant.

Dr. Amir Sanghavi

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What is Robotic Knee Replacement?

It is advance technology in knee replacement surgery which imparts more precision and accuracy in knee replacement surgery.

 

By using robot which is programmed to make three dimension model of patient knee and measurement of all deformed angles of knee joint with all guidance to correct soft tissue surrounding knee joint, gathering all these information one can achieve better accuracy and alignment of knee joint with less bone loss.

How do Robotic knee replacement work?

Robotic total knee arthroplasty uses certain software to convert anatomical images into a virtual three-dimension reconstruction of joints. This patient model is then used to calculate the measurement of the femoral and tibial bone resection and select the exact size of the implant.

Computer assisted Robotic Interventions (CORI):

In this system it collect data from the patient’s knee which create a virtual 3D model of joint which helps in precise cut of bone and adjustment during procedure.

Other surgery Robots Available in market

  • ROSA Robotic system:
    mainly used for spinal and brain surgery but also used in knee replacement surgery.
  • MAKO Robot:
    uses CT Scan data to create a 3D model of patient’s knee.
  • ROBODOC:
    uses pre operative data to guide surgeon in making precise cuts and adjustments during surgery

Who is candidate for Robotic knee replacement?

All who are candidates of traditional knee replacement , are likely candidates of robotic knee replacement but patients who get more benefits are:

  • More deformed joint with complex degenerative changes of joint with soft tissue contracture requires more precisely soft tissue correction also.
  • Hardware in bone due to previous surgery mainly in femure as in robotic knee replacement there is no need to remove hardware.

What are the Indication for total knee replacement surgery ?

Several advantages of robotic knee replacement surgery compared to traditional knee replacement surgery includes:

  • Accurate surgical planning:
    3D images created by robotic software during surgery which helps surgeon for more accurate plan.
  • Better precision:
    provides removal of less bone on both femur and tibia with selection of perfect size of implant.
  • Perfect joint alignment :
    soft tissue balancing can be achieved very well with prior guidance of robotic software which benefited by natural feeling of joint and cause less friction, there by less wear of new joint.
  • It reduces the chance of fat embolism as intramedullary hole is not formed during surgery.
  • Less post op pain as burr is used instead of saw to prepare bone

Robotic knee replacement recovery process:

Due to more precision and better alignment of joint helps patient to recover faster

Myths of Robotic knee Surgery:

  • Robotic knee replacement is only benefited in older age patients
  • Robotic knee replacement surgery is done by robot.
  • It is only used in severe knee arthritis patients.

Facts of Robotic knee surgery:

  • Its proven that robotic knee replacement shown to lead to faster recovery time, less pain and improved range of motion compared to traditional knee replacement surgery.
  • Success rate of robotic knee replacement is high.
  • It is minimally invasive procedure.
  • Robotic knee replacement helps to improve implant positioning and alignment which leads to longer life span of implant and overall better outcomes for the patient

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