Study: OrthAlign handheld nav tool reduces fluoroscopy time during THA procedures

OrthAlign’s handheld orthopedic navigation system was shown to reduce fluoroscopy time in direct-anterior approach total hip arthroplasty procedures, according to a trial by Healio last week.

The company’s HipAlign system, which uses imageless technology including sensors that help create a reference plane and provide hip positioning data intraoperatively, was tested by Dr. Edwin Su from New York’s Hospital for Special Surgery.

Dr. Su and his colleagues originally wanted to test the device to see if it could reduce radiation exposure for patients undergoing direct anterior approaches for total hip arthroplasty procedures, and was used on a total of 50 hips, according to the report.

“It offered the potential for accurate cup positioning during anterior total hip without X-ray and just being familiar with KneeAlign (OrthAlign), I knew how helpful that real-time data could be. The results are we did not find any hardware failures or abandonment of navigation. I was pleasantly surprised that patients did not complain of the iliac crest pin sites,” Dr. Su said, according to Healio.

The device provided helpful pelvic tilt and rotation information and added an average of 5.5 minutes per procedure for the insertion of devices related to the HipAlign, Dr. Su said.

“That does not account for the time you save in moving ‘fluoro’ in and out. We did see a significant difference in the ‘fluoroscopes’, which was pleasing to me,” Dr. Su said, according to the report.

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