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An Intelligent Instrument for Improved Leg Length and Hip Offset Accuracy in Total Hip Arthroplasty

Hip Osteoarthritis Clinical Trial

Official title:
Intellijoint HIP Limited Release Trial: An Intelligent Instrument for Improved Leg Length and Hip Offset Accuracy in Total Hip Arthroplasty

Clinical Trial Summary

Leg length discrepancies following total hip arthroplasty have been associated with nerve palsies, gait abnormalities, and lower back pain. Leg length discrepancies are related to poorer functional outcomes and patient dissatisfaction. Failure to restore femoral offset following total hip arthroplasty has been linked to decreased range of motion and abductor muscle strength, impingement, limping, higher dislocation rates, increased polyethylene wear, and loosening of implants. Computer navigation has shown to improve the accuracy of leg length and hip offset during total hip arthroplasty. The investigators research objective is to prove the accuracy of the Intellijoint HIP™ system for determining leg length and hip offset. The investigators hypothesis was that Intellijoint HIP™, an imageless intraoperative intelligent instrument, could improve the accuracy of leg length and hip offset during primary total hip arthroplasty. The investigators plan to study this hypothesis in humans by comparing the leg length and hip offset discrepancies produced with Intellijoint HIP™ to the standard at the investigators institution, which is a pin and outrigger system.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02095093
Study type Interventional
Source Mount Sinai Hospital, Canada
Contact Jesse I Wolfstadt, MD
Phone 4167277374
Email jesse.wolfstadt@mail.utoronto.ca
Status Recruiting
Phase N/A
Start date March 2014
View Details
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