Lakeland Health Care

Stryker

 

Stryker Joint Replacement System
Computer-Assistance Technology in Joint Replacement Surgery

Surgical navigation system enhances patient outcomes and longevity of the prothesis.

Kenneth J. Edwards, MD, orthopedic surgeon, and his partners are improving outcomes for total-hip replacement patients with the help of new computer-assisted technology in the operating room at Lakeland Hospital, St. Joseph. Surgeons can dramatically improve
alignment and see more clearly the unique anatomy of each individual patient. Using electronic imaging, surgeons can accurately track, during surgery, where the instruments are relative to the patient’s anatomy and make adjustments to ensure the best possible fit.

“Using the navigation system allows us to have a greater level of confidence in the accuracy of placement,” said Dr. Edwards, “especially in the current age of minimally invasive joint replacement surgery.”

Computer-assisted joint replacement surgery combines computers, infrared cameras and wireless instruments for a continual flow of data related to joint mechanics and the placement of surgical instruments and implants. The data is based on measurements of the individual
patient’s anatomy, which means the surgeon does not have to rely on pre-surgical CT images or standard instrumentation based on average anatomical shapes and angles.

The use of computer assistance in joint replacement
provides:

  • Guidance to make accurate surgical cuts within a fraction of a degree
  • Real-time cup positioning
  • Evaluation of the functional performance of the components
  • Accurate implant positioning
  • Patient data and results

Computer-assisted surgery is applicable to all patients who are candidates for total-hip replacement and can be used with any hip prosthesis regardless of manufacturer.

“I have been very pleased with the enhanced accuracy achieved with this system,” stated Dr. Edwards. “Having the hip components in an ideal position improves leg length, equality and component placement. Maximizing joint placement enhances patient outcomes and longevity of the prosthesis.”

“At Lakeland, we feel an obligation to invest in new technologies, which assist our physicians and staff in providing high-quality care for our patients,” said Lowell Hamel, MD, vice president, medical affairs, Lakeland Regional Health System.

Southwest Michigan Center for Orthopaedics &
Sports Medicine is the only practice currently utilizing the Stryker Navigation System in this region.

 

Since December of 2005 Lakeland HealthCare  has been performing
computer-assisted
joint replacement surgeries.


A two-way communication system between the surgical instruments and the computer, together with individual patient data provided prior to surgery, combine the precision and accuracy of technoogy with teh skill of the surgeon to provide 100 percent accracy of joint alignment.


The computer screen shows inclination, anteversion, depth to sit and depth to ream. When the reamer nears the bone, the heads on the computer screen turn red, showing the surgeon when to stop for the best depth to sit.


For more information, a consult, or to refer a patient, call Southwest Michigan Center for Orthopaedics & Sports Medicine at
269-428-3500.

 

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