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PLATFORM SHOULDER SYSTEM

Equinoxe Shoulder by the Numbers

Solutions for 100% of shoulder arthroplasty procedures, from straightforward to challenging.

Advita Ortho Equinoxe Platform Shoulder System
2

Publications – One of the most studied shoulders

0

Year multicenter research collaboration

1k

Patients at 45 clinical sites

  1. Flurin PH, Tams C, Simovitch RW, Knudsen C, Roche C, Wright TW, Zuckerman J, Schoch BS. Comparison of survivorship and performance of a platform shoulder system in anatomic and reverse total shoulder arthroplasty. JSES Int. 2020 Jul 27;4(4):923-928. doi: 10.1016/j.jseint.2020.07.001. PMID: 33345236; PMCID: PMC7738444.
  2. Friedman RJ, Schoch BS, Eichinger JK, Neel GB, Boettcher ML, Flurin PH, Wright TW, Zuckerman JD, Roche C. Comparison of Reverse and Anatomic Total Shoulder Arthroplasty in Patients with an Intact Rotator Cuff and No Previous Surgery. J Am Acad Orthop Surg. 2022 Oct 1;30(19):941-948. doi: 10.5435/JAAOS-D-22-00014. PMID: 36135928.
  3. Harries LW, Roche C, Routman HD, Friedman RJ, Donaldson OW. Effect of subscapularis repair in patients with an intact rotator cuff undergoing reverse total shoulder arthroplasty. JSES Int. 2022 Mar;32(1):100-106. doi: 10.1053/j.sart.2021.06.010.
  4. Rohman E, King JJ, Roche CP, Fan W, Kilian CM, Papandrea RF. Factors associated with improvement or loss of internal rotation after reverse shoulder arthroplasty. J Shoulder Elbow Surg. 2022 Jul;31(7):e346-e358. doi: 10.1016/j.jse.2022.01.124. Epub 2022 Feb 12. PMID: 35167915.
  5. Schell LE, Roche CP, Eichinger JK, Flurin PH, Wright TW, Zuckerman JD, Friedman RJ. Aseptic glenoid baseplate loosening after reverse total shoulder arthroplasty with a single prosthesis. J Shoulder Elbow Surg. 2023 Aug;32(8):1584-1593. doi: 10.1016/j.jse.2023.01.010. Epub 2023 Feb 2. PMID: 36736657.
  6. Le J, Roche C, Fan W, Cheung EV, Ziegler DW, Grindel SI, Kilian CM, Papandrea RF. Risk factors for instability after reverse shoulder arthroplasty. JSES Int. 2022 Sep;32(3): 613-622. doi: 10.1053/j.sart.2022.04.006
  7. Roche CP, Fan W, Simovitch R, Wright T, Flurin PH, Zuckerman JD, Routman H. Impact of accumulating risk factors on the acromial and scapular fracture rate after reverse total shoulder arthroplasty with a medialized glenoid-lateralized humerus onlay prosthesis. J Shoulder Elbow Surg. 2023 Jul;32(7):1465-1475. doi: 10.1016/j.jse.2022.12.026. Epub 2023 Jan 31. PMID: 36731625.
  8. Routman HD, Simovitch RW, Wright TW, Flurin PH, Zuckerman JD, Roche CP. Acromial and Scapular Fractures After Reverse Total Shoulder Arthroplasty with a Medialized Glenoid and Lateralized Humeral Implant: An Analysis of Outcomes and Risk Factors. J Bone Joint Surg Am. 2020 Oct 7;102(19):1724-1733. doi: 10.2106/JBJS.19.00724. PMID: 33027125.
  9. Schoch BS, King JJ, Fan W, Flurin PH, Wright TW, Zuckerman JD, Roche CP. Characteristics of anatomic and reverse total shoulder arthroplasty patients who achieve ceiling scores with 3 common patient-reported outcome measures. J Shoulder Elbow Surg. 2022 Aug;31(8):1647-1657. doi: 10.1016/j.jse.2022.01.142. Epub 2022 Mar 2. PMID: 35247571.
  10. Roche C, Kumar V, Overman S, Simovitch R, Flurin PH, Wright T, Routman H, Teredesai A, Zuckerman J. Validation of a machine learning-derived clinical metric to quantify outcomes after total shoulder arthroplasty. J Shoulder Elbow Surg. 2021 Oct;30(10):2211-2224. doi: 10.1016/j.jse.2021.01.021. Epub 2021 Feb 16. PMID: 33607333.
  11. Vanasse T, Bryan ZL, Grey S, Brockmeier S, Zuckerman J, Wright T, Flurin PH, Schoch B. Extreme Bending Fatigue Testing of a New Hybrid Anatomic Glenoid Implant. ORS 2023 Annual Meeting Paper No. 2254.
  12. Srinivasan RC, Wright JO, Hao KA, King JJ, Schoch BS, Farmer KW, Struk AM, Roche CP, Wright TW. Two-year outcomes of the reverse humeral reconstruction prosthesis. J Shoulder Elbow Surg. 2023 Jun;32(6S):S75-S84. doi: 10.1016/j.jse.2023.01.022. Epub 2023 Feb 18. PMID: 36804025.
  13. Kida H, Urita A, Momma D, Matsui Y, Endo T, Kawamura D, Taneichi H, Iwasaki N. Implications of navigation system use for glenoid component placement in reverse shoulder arthroplasty. Sci Rep. 2022 Dec 7;12(1):21190. doi: 10.1038/s41598-022-25833-8. PMID: 36477208; PMCID: PMC9729232.
  14. Jones RB, Greene AT, Polakovic SV, Hamilton MA, Mohajer NJ, Youderian AR, Parsons IM, Saadi PD, Cheung EV. Accuracy and precision of placement of the glenoid baseplate in reverse total shoulder arthroplasty using a novel computer assisted navigation system combined with preoperative planning: A controlled cadaveric study. J Shoulder Elbow Surg. 2020 May; 30(1):73-82. doi: 10.1053/j.sart.2020.05.004.
  15. Nashikkar PS, Scholes CJ, Haber MD. Role of intraoperative navigation in the fixation of the glenoid component in reverse total shoulder arthroplasty: a clinical case-control study. J Shoulder Elbow Surg. 2019 Sep;28(9):1685-1691. doi: 10.1016/j.jse.2019.03.013. Epub 2019 Jun 28. PMID: 31262637.
  16. Larose G, Greene AT, Jung A, Polakovic SV, Davis NZ, Zuckerman JD, Virk MS. High intraoperative accuracy and low complication rate of computer-assisted navigation of the glenoid in total shoulder arthroplasty. J Shoulder Elbow Surg. 2023 Jun;32(6S):S39-S45. doi: 10.1016/j.jse.2022.12.021. Epub 2023 Jan 18. PMID: 36681107.
  17. Nashikkar PS, Scholes CJ, Haber MD. Computer navigation re-creates planned glenoid placement and reduces correction variability in total shoulder arthroplasty: an in vivo case-control study. J Shoulder Elbow Surg. 2019 Dec;28(12):e398-e409. doi: 10.1016/j.jse.2019.04.037. Epub 2019 Jul 26. PMID: 31353300.
  18. Roche C, DiGeorgio C, Yegres J, VanDeven J, Stroud N, Flurin PH, Wright T, Cheung E, Zuckerman JD. Impact of screw length and screw quantity on reverse total shoulder arthroplasty glenoid fixation for 2 different sizes of glenoid baseplates. JSES Open Access. 2019 Nov 1;3(4):296-303. doi: 10.1016/j.jses.2019.08.006. PMID: 31891029; PMCID: PMC6928260.
  19. Youderian AR, Greene AT, Polakovic SV, Davis NZ, Parsons M, Papandrea RF, Jones RB, Byram IR, Gobbato BB, Wright TW, Flurin PH, Zuckerman JD. Two-year clinical outcomes and complication rates in anatomic and reverse shoulder arthroplasty implanted with Exactech GPS intraoperative navigation. J Shoulder Elbow Surg. 2023 Dec;32(12):2519-2532. doi: 10.1016/j.jse.2023.05.021. Epub 2023 Jun 20. PMID: 37348780.
  20. Kumar V, Roche C, Overman S, Simovitch R, Flurin PH, Wright T, Zuckerman J, Routman H, Teredesai A. What Is the Accuracy of Three Different Machine Learning Techniques to Predict Clinical Outcomes After Shoulder Arthroplasty? Clin Orthop Relat Res. 2020 Oct;478(10):2351-2363. doi: 10.1097/CORR.0000000000001263. PMID: 32332242; PMCID: PMC7491877.
  21. Kumar V, Roche C, Overman S, Simovitch R, Flurin PH, Wright T, Zuckerman J, Routman H, Teredesai A. Using machine learning to predict clinical outcomes after shoulder arthroplasty with a minimal feature set. J Shoulder Elbow Surg. 2021 May;30(5):e225-e236. doi: 10.1016/j.jse.2020.07.042. Epub 2020 Aug 19. PMID: 32822878.
  22. Kumar V, Roche C, Overman S, Simovitch R, Flurin PH, Wright T, Zuckerman J, Routman H, Teredesai A. Use of machine learning to assess the predictive value of 3 commonly used clinical measures to quantify outcomes after total shoulder arthroplasty. J Shoulder Elbow Surg. 2021 Jul;31(2):263-271. doi: 10.1053/j.sart.2020.12.003.
  23. Kumar V, Schoch BS, Allen C, Overman S, Teredesai A, Aibinder W, Parsons M, Watling J, Ko JK, Gobbato B, Throckmorton T, Routman H, Roche C. Using machine learning to predict internal rotation after anatomic and reverse total shoulder arthroplasty. J Shoulder Elbow Surg. 2022 May;31(5):e234-e245. doi: 10.1016/j.jse.2021.10.032. Epub 2021 Nov 20. PMID: 34813889.
  24. Kumar V, Allen C, Overman S, Teredesai A, Simovitch R, Flurin PH, Wright T, Zuckerman J, Routman H, Roche C. Development of a predictive model for a machine learning–derived shoulder arthroplasty clinical outcome score. J Shoulder Elbow Surg. 2022 Jun;32(2):226-237. doi: 10.1053/j.sart.2021.09.005.
  25. Simmons CS, Roche C, Schoch BS, Parsons M, Aibinder WR. Surgeon confidence in planning total shoulder arthroplasty improves after consulting a clinical decision support tool. Eur J Orthop Surg Traumatol. 2023 Aug;33(6):2385-2391. doi: 10.1007/s00590-022-03446-1. Epub 2022 Nov 27. PMID: 36436090.
  26. Allen C, Kumar V, Elwell J, Overman S, Schoch BS, Aibinder W, Parsons M, Watling J, Ko JK, Gobbato B, Throckmorton T, Routman H, Roche CP. Evaluating the fairness and accuracy of machine learning-based predictions of clinical outcomes after anatomic and reverse total shoulder arthroplasty. J Shoulder Elbow Surg. 2024 Apr;33(4):888-899. doi: 10.1016/j.jse.2023.08.005. Epub 2023 Sep 12. PMID: 37703989.
  27. Roche CP, Jones R, Routman H, Marczuk Y, Flurin PH, Wright TW, Zuckerman JD. Longitudinal analysis of shoulder arthroplasty utilization, clinical outcomes, and value: a comparative assessment of changes in improvement over 15 years with a single platform shoulder prosthesis. J Shoulder Elbow Surg. 2023 Aug;32(8):1562-1573. doi: 10.1016/j.jse.2022.12.018. Epub 2023 Jan 18. PMID: 36681103.
  28. Friedman RJ, Boettcher ML, Grey S, Flurin PH, Wright TW, Zuckerman JD, Eichinger JK, Roche C. Comparison of long-term clinical and radiological outcomes for cemented keel, cemented peg, and hybrid cage glenoids with anatomical total shoulder arthroplasty using the same humeral component. Bone Joint J. 2023 Jun 1;105-B(6):668-678. doi: 10.1302/0301-620X.105B6.BJJ-2022-1033.R2. PMID: 37259565.
  29. Neel GB, Eichinger JK, Roche C, Flurin PH, Wright TW, Zuckerman JD, Friedman R. Prospective observational study of anatomic and reverse total shoulder arthroplasty using a single implant system with long-term follow-up. J Shoulder Elbow Surg. 2023 Mar;33(1):8-14. doi: 10.1053/j.sart.2022.07.014.
  30. Reeves JM, Spangenberg GW, Elwell JA, Stewart B, Vanasse T, Roche C, Faber KJ, Langohr GDG. Implications of humeral short-stem diametral sizing on implant stability. JSES Int. 2023 Jul 24;7(6):2445-2453. doi: 10.1016/j.jseint.2023.06.023. PMID: 37969503; PMCID: PMC10638575.
  31. Matsuki K, Sugaya H, Hoshika S, Ueda Y, Takahashi N, Tokai M, Banks SA. Three-dimensional measurement of glenoid dimensions and orientations. J Orthop Sci. 2019 Jul;24(4):624-630. doi: 10.1016/j.jos.2018.11.019.
  32. Magone KM, Leonard A, Savoie FH, Noel CR, Simovitch RW, Greene AT, Anakwenze OA. Short-term radiographic analysis of a stemless humeral component for anatomic total shoulder arthroplasty. JSES Int. 2023 Jan 13;7(2):285-289. doi: 10.1016/j.jseint.2022.12.020. PMID: 36911768; PMCID: PMC9998871.
  33. Tramer JS, Benkalfate T, Burdick GB, Titelman RM, Savoie FH, Noel CR, Roche C, Wright TW, Roberts C, Simovitch RW, Zuckerman JD, Flurin PH, Muh SJ. Comparison of humeral head resurfacing versus stemless humeral components in anatomic total shoulder arthroplasty: a multicenter investigation with minimum 2-year follow-up. J Shoulder Elbow Surg. 2023 Dec;33(4):666-674. doi: 10.1053/j.sart.2023.06.016.
  34. Friedman RJ, Cheung E, Grey SG, Flurin PH, Wright TW, Zuckerman JD, Roche CP. Clinical and radiographic comparison of a hybrid cage glenoid to a cemented polyethylene glenoid in anatomic total shoulder arthroplasty. J Shoulder Elbow Surg. 2019 Dec;28(12):2308-2316. doi: 10.1016/j.jse.2019.04.049. Epub 2019 Jul 16. PMID: 31324502.
  35. Virk M, Yip M, Liuzza L, Abdelshahed M, Paoli A, Grey S, Wright T, Flurin PH, Roche C, Zuckerman JD. Clinical and radiographic outcomes with a posteriorly augmented glenoid for Walch B2, B3, and C glenoids in reverse total shoulder arthroplasty. J Shoulder Elbow Surg. 2020 May;29(5):e196-e204. doi: 10.1016/j.jse.2019.09.031. Epub 2019 Dec 5. PMID: 31813742.
  36. Grey SG, Wright TW, Flurin PH, Zuckerman JD, Roche CP, Friedman RJ. Clinical and radiographic outcomes with a posteriorly augmented glenoid for Walch B glenoids in anatomic total shoulder arthroplasty. J Shoulder Elbow Surg. 2020 May;29(5):e185-e195. doi: 10.1016/j.jse.2019.10.008. Epub 2020 Jan 7. PMID: 31924515.
  37. Liuzza L, Mai DH, Grey S, Wright TW, Flurin PH, Roche CP, Zuckerman JD, Virk MS. Reverse Total Shoulder Arthroplasty with a Superior Augmented Glenoid Component for Favard Type-E1, E2, and E3 Glenoids. J Bone Joint Surg Am. 2020 Nov 4;102(21):1865-1873. doi: 10.2106/JBJS.19.00946. PMID: 32740263.
  38. Gulotta LV, Grey SG, Flurin PH, Wright TW, Zuckerman JD, Roche C. Clinical outcomes of augmented rTSA glenoid baseplates. J Shoulder Elbow Surg. 2021 Nov;31(4):810-815. doi: 10.1053/j.sart.2021.05.010.
  39. Levin JM, Bokshan S, Roche CP, Zuckerman JD, Wright T, Flurin PH, Klifto CS, Anakwenze O. Reverse shoulder arthroplasty with and without baseplate wedge augmentation in the setting of glenoid deformity and rotator cuff deficiency-a multicenter investigation. J Shoulder Elbow Surg. 2022 Dec;31(12):2488-2496. doi: 10.1016/j.jse.2022.04.025. Epub 2022 Jun 6. PMID: 35671926.
  40. Colasanti CA, Lin CC, Ross KA, Luthringer T, Elwell JA, Roche CP, Virk MS, Simovitch RW, Routman HD, Zuckerman JD. Augmented baseplates yield optimum outcomes when compared with bone graft augmentation for managing glenoid deformity during reverse total shoulder arthroplasty: a retrospective comparative study. J Shoulder Elbow Surg. 2023 May;32(5):958-971. doi: 10.1016/j.jse.2022.10.015. Epub 2022 Nov 16. PMID: 36400341.
  41. Friedman RJ, Boettcher ML, Grey S, Flurin PH, Wright TW, Zuckerman JD, Eichinger JK, Roche C. Comparison of long-term clinical and radiological outcomes for cemented keel, cemented peg, and hybrid cage glenoids with anatomical total shoulder arthroplasty using the same humeral component. Bone Joint J. 2023 Jun 1;105-B(6):668-678. doi: 10.1302/0301-620X.105B6.BJJ-2022-1033.R2. PMID: 37259565.
  42. Simovitch RW, Roche CP, Jones RB, Routman HD, Marczuk Y, Wright TW, Zuckerman JD. Effect of Tuberosity Healing on Clinical Outcomes in Elderly Patients Treated With a Reverse Shoulder Arthroplasty for 3- and 4-Part Proximal Humerus Fractures. J Orthop Trauma. 2019 Feb;33(2):e39-e45. doi: 10.1097/BOT.0000000000001348. PMID: 30688837.
  43. Roche CP, Diep P, Hamilton MA, Flurin PH, Routman HD. Comparison of bone removed with reverse total shoulder arthroplasty. Bull Hosp Jt Dis (2013). 2013;71 Suppl 2:S36-40. PMID: 24328578.
  44. Jacobson A, Stroud N, Roche CP. Improving Distal Fixation with Total Shoulder Arthroplasty in Cases of Severe Humeral Bone Loss. Bull Hosp Jt Dis (2013). 2015 Dec;73 Suppl 1:S42-6. PMID: 26631195.
  45. Ting FSH, Lockhart JS, Axford D, Johnson JA, Langohr DG, Athwal GS. Comparing internal fixation constructs for scapular spine insufficiency fractures following reverse shoulder arthroplasty. J Shoulder Elbow Surg. 2021 Jan;30(1):172-177. doi: 10.1016/j.jse.2020.04.051. Epub 2020 Jun 9. PMID: 32788041.
  46. Routman HD, Flurin PH, Wright TW, Zuckerman JD, Hamilton MA, Roche CP. Reverse Shoulder Arthroplasty Prosthesis Design Classification System. Bull Hosp Jt Dis (2013). 2015 Dec;73 Suppl 1:S5-14. PMID: 26631189.
  47. Boux de Casson F, Ode G, Youderian AR, Gobbato BB, Caubère A, Jung A, Polakovic S, Elwell J. Intraoperative performance and influencing factors in computer-assisted total shoulder arthroplasty: a large-scale analysis. Sci Rep. 2025 Nov 19;15(1):40685. doi: 10.1038/s41598-025-24124-2. PMID: 41257874; PMCID: PMC12630827.
  48. Levin JM, Hurley E, Colasanti CA, Roche CP, Chalmers PN, Zuckerman JD, Wright T, Flurin PH, Anakwenze O, Klifto CS. Utility of superior augments in reverse shoulder arthroplasty (Exactech, Equinoxe GPS) without significant glenoid deformity. J Shoulder Elbow Surg. 2024 Oct;33(10):2196-2201. doi: 10.1016/j.jse.2024.01.047. Epub 2024 Mar 20. PMID: 38514007.
  49. Parsons M, Elwell J, Muh S, Wright T, Flurin P, Zuckerman J, Roche C. Impact of accumulating risk factors on the incidence of dislocation after primary reverse total shoulder arthroplasty using a medial glenoid-lateral humerus onlay prosthesis. J Shoulder Elbow Surg. 2024 Aug;33(8):1781-1788. doi: 10.1016/j.jse.2023.12.017. Epub 2024 Feb 3. PMID: 38316238.
  50. Parada SA, Peach C, Fan W, Elwell J, Flurin PH, Wright TW, Zuckerman JD, Roche C. Risk factors for rotator cuff tears and aseptic glenoid loosening after anatomic total shoulder arthroplasty. J Shoulder Elbow Surg. 2024 Jun;34(2):406-415. doi: 10.1053/j.sart.2024.01.002.
  51. Cardona-Perez V, Srikumaran U, Rivera AR. Reverse Equinoxe humeral reconstruction prosthesis vs. reverse allograft prosthetic composite in the setting of massive humeral bone loss: a retrospective comparative analysis. J Shoulder Elbow Surg. 2025 Oct. doi: 10.1016/j.jse.2025.10.003.
  52. Aibinder WR, Mazeh M, Elwell JA, Zuckerman J, Wright T, Flurin P, Roche C, Muh SJ. Comparing Clinical and Functional Outcomes Following Anatomic Total Shoulder Arthroplasty Based on Humeral Component Length (Equinoxe; Exactech, Inc.). J Shoulder Elbow Surg. 2025 Dec 19:S1058-2746(25)00857-2. doi: 10.1016/j.jse.2025.11.015.
  53. Larose G, Aibinder WR, Greene AT, Roche CP, Grey S, Faber KJ, Routman H, Antuña S, Wright T, Flurin PH, Zuckerman JD, Virk MS. Two-year minimum survivorship and radiographic analysis of a pressfit short humeral stem for total shoulder arthroplasty. JSES Int. 2023 Nov 22;8(1):191-196. doi: 10.1016/j.jseint.2023.10.011.
  54. Angibaud L, Zuckerman JD, Flurin PH, Roche C, Wright T. Reconstructing proximal humeral fractures using the bicipital groove as a landmark. Clin Orthop Relat Res. 2007 May;458:168-74. doi: 10.1097/BLO.0b013e318032561e.
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