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Computer-Assisted Navigation in Arthroplasty

Image-based and imageless navigation for accurate alignment in knee, hip and shoulder arthroplasty

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Ortopedi ve Travmatoloji department. Book Appointment →

What is Computer-Assisted Navigation in Arthroplasty?

Image-based navigation uses preoperative CT/MRI registered intraoperatively, while imageless systems rely on anatomic landmarks acquired with tracker probes; both feed real-time alignment data to the surgeon during cuts and implant placement.

Total knee arthroplasty navigation reduces alignment outliers (greater than 3° from neutral mechanical axis) and improves component rotation; total hip arthroplasty applications include cup inclination, version and limb-length control.

Recent advancements integrate navigation with robotic systems (MAKO, ROSA, NAVIO), patient-specific instrumentation, and augmented-reality headsets for intraoperative visualization.

Symptoms

Complex deformity in primary knee/hip arthroplasty
Revision arthroplasty with anatomical distortion
Restoration of leg length and offset in THA
Reverse shoulder arthroplasty with glenoid wear
Pediatric or post-traumatic anatomy

Risk Factors

Cost and operating-room time burden
Pin-tract complications (rare fractures)
Learning curve for surgical team
Increased dependency on technology
System-specific calibration errors

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Severe varus/valgus deformity
  • Post-fracture deformity needing arthroplasty
  • Patient with high alignment expectations
  • Need for intraoperative gap balancing in TKA
  • Difficult anatomy hindering jig-based instrumentation

Treatment Methods

01
Preoperative imaging and templating per system
02
Sterile array placement on bony landmarks
03
Intraoperative registration and verification
04
Bone resection and trial placement guided by software
05
Final alignment confirmation before cementation
06
Post-operative imaging follow-up to verify alignment

Which Department to Visit?

You can visit our Ortopedi ve Travmatoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Ortopedi ve Travmatoloji Department

Let us help you

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.