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What is the ROSA® System?

ROSA® is a robotic orthopaedic surgical assistant developed by Zimmer Biomet that enables Dr. William P. Toole to carry out knee replacement surgeries with greater precision. The ROSA® robotic system utilizes real-time information and assists with precise placement of the implants based on a person’s unique anatomy. This precision is down to a half of a millimeter and half of a degree which cannot be achieved with manual techniques.

Indications for ROSA® Robotic-Assisted Joint Replacement

The ROSA® system is indicated for individuals with arthritis of the knee exhibiting symptoms such as pain, swelling, and locking, that is not amenable to conservative treatment. Osteoarthritis is a degenerative joint disease that causes breakdown and eventual loss of cartilage in the joint making the bones rub against each other leading to painful movement.


Preparation for ROSA® Robotic-Assisted Joint Replacement

The preoperative preparation is similar to most total joint replacement procedures. But contrary to traditional techniques, the ROSA system can utilizes a series of X-rays to generate 3D images of an individual’s unique anatomy. This 3D image enables Dr. William P. Toole to design a personalized plan based on the specifics of an individual’s knee anatomy prior to performing total joint replacement surgery. For total knee replacements, this plan allows him to make sure that your knee will be well balanced and natural feeling prior to any bone cuts.

Procedure Involved with ROSA® System

In general, the surgical procedure using the ROSA system is similar to that of a traditional joint replacement procedure but performed with the help of a robotic assistant. The robotic system does not perform the procedure on its own. The surgery is performed entirely by Dr. William P. Toole. The ROSA system is only an additional tool to guide him and ensure greater accuracy in the placement of the implants.

During surgery, the ROSA system functions like a high-tech GPS system utilizing optical trackers and a mini-camera to determine the exact position of the knee in space. The robotic system makes adjustments even with the slightest movement ensuring the surgical plan is carried out without any changes and with a high degree of precision. Throughout the procedure, Dr. William P. Toole is provided with real-time data by the ROSA system, which enhances his skill enabling accurate placement of the implant.


Advantages of ROSA® Robotic-Assisted Joint Replacement

Being a minimally invasive approach, the ROSA® system offers the following benefits:

  • Reduced scarring and minimal blood loss
  • Less post-operative pain
  • Shorter hospital stay and recovery period
  • Quicker return to daily activities
  • Lower incidence of complications
  • Precise placement of the implant
  • Reduced injury to adjacent tissues
  • Increased longevity of the implant
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