New measuring arm aims to prevent leg length discrepancy after hip replacement

NCT ID NCT07595510

Completed Knowledge-focused Sponsor: Lodz University of Technology Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a device called NaviFast 6D, a miniature measuring arm used during hip replacement surgery to help surgeons check leg length and hip offset. Researchers compared measurements from the device to standard X-ray measurements in 84 adults undergoing hip replacement. The goal was to see if the device could reduce differences in leg length after surgery compared to usual care.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: NaviFast 6D Measuring Arm (device)
What this could lead to: If successful, this device could help surgeons better match leg lengths during hip replacement, potentially reducing post-surgery leg length differences.
What could go wrong: This was a small, completed study focused on measurement accuracy, not long-term outcomes. The device may not improve patient satisfaction or function.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Leg Length Inequality osteoarthritis, hip

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HIP OSTEOARTHRITIS TOTAL HIP ARTHROPLASTY (THA)

Contacts and locations

Locations

Military Clinical Hospital in Lublin

Lublin, Lublin Voivodeship, Poland
Pabianice Medical Center

Pabianice, Łódź Voivodeship, Poland
University Orthopaedic and Rehabilitation Hospital

Zakopane, Poland
Wojewódzki Szpital Zespolony im. L. Perzyny

Kalisz, Greater Poland Voivodeship, Poland

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