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Equinoxe Primary System

In situ adjustability. Infinite possibilities.

The Equinoxe Shoulder System redefines “anatomical.” The anatomic (primary) shoulder allows the surgeon to replicate a patient’s unique anatomy by independently adjusting parameters in situ.

Glenoids

Our alpha/beta curvatures allows use of any size head with any size glenoid. The 8° and 16° augmented glenoids offer bone preserving1 solutions for challenging glenoids. The new cage glenoid allows for initial fixation through a press-fit bone cage; its pegs are designed with features to simplify removal. 

Replicator Plate

The replicator plate provides in situ adjustment (± 7.5˚) for both version and neck angle without the need for trials or back-table assembly.1-3 Dual eccentricities (head and replicator plate) provide independent adjustability of both medial and posterior offset to empower the surgeon to anatomically orient the humeral head.2-4

Humeral Head

The anatomic stem enables surgeons to convert from a total shoulder to a reverse without stem removal5. Multiple head heights for each diameter provides surgeon flexibility in patients with soft tissue challenges, and the alpha and beta glenoid curvatures enable any head size to be paired with any glenoid size while maintaining an optimal radial mismatch of approximately 5.5mm.6-8  

 

References

  1. Roche, C. et al. Computer Assessment of Scapula Cortical and Cancellous Bone Removal when Correcting a Posterior Defect Using 3 Different Glenoid Prosthesis Designs. Trans. of the 59th Annual ORS Meeting. 2013.
  2. Roche, C. et al. Biomechanical Analysis of 3 Commercially Available Reverse Shoulder Designs in a Normal and Medially Eroded Scapula. Trans. of the 59th Annual ORS Meeting. 2013.
  3. Roche, C. et al. Impact of Scapular Notching on Reverse Shoulder Glenoid Fixation. Trans. of the 59th Annual ORS Meeting. 2013.
  4. Roche, C. et al. A Comparison of Glenoid Fixation using Two Different Reverse Shoulder Designs with an Equivalent Center of Rotation in a Low and High Density Bone Substitute. Trans. of the 59th Annual ORS Meeting. 2013.
  5. Crosby, L.A. et al. Revision Total Shoulder Arthroplasty with and without Humeral Stem Removal: How Much of a Difference Does it Make in the Overall Results? Trans of the 23rd Annual BESS Scientific Meeting. 2012.
  6. Anglin C, et al. Mechanical testing of shoulder prostheses and recommendations for glenoid design. J Shoulder Elbow Surg. 2000;9(4):323-31.
  7. Walch G, et al. The influence of glenohumeral prosthetic mismatch on glenoid radiolucent lines. J Bone Joint Surg. 2002;84-A(12):2186-91.
  8. Karduna AR, et al. Glenohumeral joint translations before and after TSA. J Bone Joint Surg. 1997; 79-A(8):1166-74.

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