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Equinoxe Reverse System

Designed to minimize scapular notching and enhance glenoid fixation.

Its components build off the Equinoxe anatomic and fracture humeral stems, which provides intra-operative flexibility and enables surgeons to convert a well-fixed stem to a reverse without stem removal. The system offers a wide range of glenoid solutions, designed for challenging bony defects.

Glenoids

The system offers a wide range of glenoid solutions, including extended cages. The innovative glenoid baseplate design has a built-in offset which distally shifts the glenosphere to a position that prevents humeral liner impingement on the inferior glenoid.2,3

Biomechanics of a lateralized humerus

The Equinoxe system is designed to lateralize the humerus to create a more anatomic deltoid wrap (which aids stability) and better tension the remaining cuff (to improve active rotation).4,5

 

References

  1. 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.
  2. Roche C, Flurin PH, Wright T, Crosby L, Mauldin M, Zuckerman J. Geometric analysis of the grammont reverse shoulder prosthesis: an evaluation of the relationship between prosthetic design parameters and clinical failure modes. Proceedings of the 19th Annual Congress of the International Society for Technology in Arthroplasty; 2006 Oct 6-9; New York, NY.
  3. Roche C, Flurin PH, Wright T, Crosby L, Maulding M, Zuckerman J. An evaluation of the relationships between reverse shoulder design parameters and range of motion, impingement, and stability. J Shoulder Elbow Surg. 2009 Sep-Oct;18(5):734-41.
  4. Flurin PH. et al. Comparison of Outcomes Using Anatomic and Reverse Total Shoulder Arthroplasty. Bulletin of the Hospital for Joint Diseases. 2013; Vol 71, Supp 2.
  5. Roche C. et al. Impact of Inferior Glenoid Tilt, Humeral Retroversion And Bone Grafting on Muscle Length and Deltoid Wrapping in Reverse Shoulder Arthroplasty. Bulletin of the Hospital for Joint Diseases. 71(4):284-93. 2013.

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