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Computer Assisted Hip Replacement

20/01/2015

COMPUTER ASSISTED HIP REPLACEMENT


More and more French surgeons use computer-assisted navigation technology to perform hip replacement. Hip navigation helps ensure accurate restoration of leg length and offset in total hip replacement.

Incorrect positioning of the implant components is the major cause of early joint dislocation, limited range of motion, early implant wear and leg length discrepancies.

Hip navigation uses intra-operatively acquired 3D bone and soft tissue patient data for better implant placement. By continuously tracking surgical instruments and virtually guiding component placement, hip navigation overcomes accuracy and reproducibility challenges in standard and minimally invasive hip replacement surgery.

  • Improved positioning of the implant components

  • Accurate restoration of leg length and offset

  • Intra-operative assessment of range of motion

  • Universal and highly accurate instrumentation


Improved Positioning of Implant Components

Hip navigation’s visual guidance for component placement offers several tools to help lower dislocation rates and better implant conservation.
Hip navigation is independent from surgical volumes, making it a powerful tool for quality assurance.

  • Abduction and adduction and anteversion

  • Implant sizing assistance

  • Restoration of native joint centre

  • Verification of full implant seating

  • Anatomical implant placement


Easy and Precise Restoration of Leg Length and Offset

Managing leg length and femoral offset is critical to a successful total hip replacement surgery.Hip navigation’s leg length and offset control is a measurement tool to precisely and consistently affect these variables without changes in your surgical routine.

  • No patient repositioning required for the posterior lateral approach

  • No extra incision

  • No femoral pin fixation necessary

  • Also available as a standalone leg length-only application


Intra-Operative Assessment of Range-of-Motion

Limited range-of-motion and component impingement resulting from hip replacement surgery can lead to quality of life issues for the patient and earlier revision surgeryHip navigation’s intuitive graphical representation offers intra-operative real-time assessment and visualisation of all degrees of movement freedom.

  • Detection and documentation of impingement

  • Recording of range-of-motion maximum value


Instant and Precise Hip Navigation with Universal Instrumentation

Universal instrumentation enables the orthopaedic surgeon to easily, accurately and reproducibly align implant components during total hip replacement surgery.

  • No cumbersome intra-operative calibration necessary due to the interface

  • Implant-specific inserts to navigate a variety of hip implant vendors

  • Designed for both standard and MIS surgery

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