Triathlon® TS
Revisions. Simplified.
Triathlon TS is the foundation of an integrated revision platform. Built on the Triathlon Revision Baseplate, it is designed to facilitate joint line restoration1 and to convert to any Stryker revision procedure, so the surgeon can decide constraint in the operating room.
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Evidence at a glance
Similar
Functional outcomes to primary total knee at 2 years2,3
91.7%
Survivorship at 10 years4
100%
Aseptic loosening-free cone survivorship at a median 3 year follow-up5
The system
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Triathlon Revision Baseplate
Converts to any Stryker revision procedure. The same baseplate accepts Triathlon Hinge and GMRS distal femur6
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Revision Insert X3
Maintains the articular surface shape and insert post of the preceding TS insert.6
Designed to allow 135° of flexion, ± 7° of internal/external rotation and ± 2° of varus/valgus constraint.7,8
Tritanium Cone Augments
Designed to promote metaphyseal fixation for bone loss without constraining subsequent implant positioning.11,12
Performs like a primary
Early functional outcomes with Triathlon TS have been reported as similar to primary TKA at 2 years,2 demonstrating that high levels of patient function can be achieved following revision knee arthroplasty with semi-constrained devices. No revisions, implant migration, or progressive radiolucencies were reported during follow-up.2,3
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Design details
Simplicity
Reamer-based instruments are designed for accurate tibial and femoral preparation.11,12
The system is designed to minimize femoral offsetting and to streamline the revision workflow while maintaining collateral ligament stability throughout the range of motion.11
*This image is for illustrative purposes to depict Triathlon TS as compared to a predecessor device. It reflects the updated anteriorized boss location of the Triathlon TS, designed with the intent of reducing the need for femoral offsetting.
Stability and fixation
The revision insert allows 135° of flexion with ± 7° of internal/external rotation and ± 2° of varus/valgus constraint, which allows for constant ligament balance and enhanced stability in flexion.7,8
Tritanium Cone Augments promote metaphyseal fixation for bone loss.9,10
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References
- Mahoney, O et al. Modular femoral Offset Stems Facilitate Joint Line Restoration in Revision Knee Arthroplasty Clin. Orthop. 446, 2006: pp.93-98.
- Hamilton DF, Simpson PM, Patton JT, Howie CR, Burnett R. Aseptic Revision Knee Arthroplasty With Total Stabilizer Prostheses Achieves Similar Functional Outcomes to Primary Total Knee Arthroplasty at 2 Years: A Longitudinal Cohort Study. J Arthroplasty. 2017 Apr;32(4):1234-1240.
- Hossain F, Konan S, Kayani B, Kontoghiorghe C, Barrack T, Sami Haddad F. Early Clinical and Radiological Outcomes of the Metaphyseally Fixed Totally Stabilized Knee Prosthesis in Primary Total Knee Arthroplasty. J Knee Surg. 2020;33(7):678-684.
- Yapp LZ, Scott CEH, Baxendale-Smith L, Burnett R, Clement ND. Revision total knee arthroplasty using a fully cemented single-radius condylar constrained prosthesis has excellent ten-year survival and improvements in outcome measures: a cohort study of 358 implants. Bone Joint J. 2025;107-B(10):1036-1044.
- Behery OA, Shing EZ, Yu Z, Springer BD, Fehring TK, Otero JE. Survivorship and Radiographic Evaluation of Metaphyseal Cones With Short Cemented Stems in Revision Total Knee Arthroplasty. J Arthroplasty. 2022;37(2):330-335.
- JR-TRIAHGS-DESR-970293.
- Stryker Technical Report Research and Development. Varus/Valgus Constraint Testing of the Triathlon TS Knee. RD-06-121.
- Stryker Technical Report R&D. Range of Constraint Testing of Triathlon TS Plus Knee. RD-06-124
- Stryker Technical Report R&D. Cement and Tritanium Shear Bond Strength Test. RD-15-014.
- Leibowitz E, Lipschutz D, Soliman M, Meneghini M. Virtual Bone Analysis Determines Metaphyseal Augment Fit. ORS 2015 Meeting Poster.
- Femoral Bone Prep Tolerance Analysis. Doc # A0004384. Project # 195725.
- Tibial Bone Prep Tolerance Analysis. Doc # A0004385. Project # 195725.
- Leibowitz E, Lipschutz D, Soliman M, Meneghini M. Virtual Bone Analysis Determines Metaphyseal Augment Fit. ORS 2015 Meeting
JR-TRITS-SYK-2183750