move beyond
spinal fusion.

Woman running on the shore
  • Restore Natural Balance
  • Maintain Range of Motion
  • Preserve Adjacent Spinal Levels
Woman running on the shore

why fuse when you can replace?

Introducing MOTUS

The first total joint replacement for the low back.


Latin (mo-tus) noun

  1. A movement, motion
  2. An advance, progress
  3. Etymology: Perfect passive participle of moveō (“I move”)

Replaces the function of the disc and facet joints.

Allows direct decompression to address leg and back pain.

Powerful surgical technique corrects sagittal balance.

A breakthrough
20 years in the making.

Patient Stories
  • Hear from patients who chose MOTUS over spinal fusion.

    Watch Full Video

Note: This is not a complete list of patient experiences. Lumbar total joint replacement is not suitable for all patients, and there are risks associated with the procedure. Patient experiences may differ from the samples provided. The testimonials quoted were obtained from multiple OUS pilot clinical studies performed to date.

Joint replacement is standard of care across orthopedics.
Lumbar joint replacement will transform spine.
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Stay in touch.

Follow our progress as we obtain FDA commercial approval for our lumbar total joint replacement technology in the US.

Join the movement
3Spine Inc. 801 Broad Street, 6th Floor, Chattanooga, TN 37402
*Enter building from Chestnut St. entrance

US Regulatory Status CAUTION – Investigational device. Limited by US law to investigational use. The information on this site is not intended as a substitute for medical professional help or advice. Statements made on this site are not to be interpreted as a guarantee.


  1. Radcliff, K., Zigler, J., Braxton, E., Buttermann, G., Coric, D., Derman, P., Garcia, R., Jorgensen, A., Ferko, N. C., Situ, A., & Yue, J. (2021). Final Long-Term Reporting from a Randomized Controlled IDE Trial for Lumbar Artificial Discs in Single-Level Degenerative Disc Disease: 7-Year Results. International Journal of Spine Surgery, 15(4), 612–632.
  2. Bryant, J. P., Kolcun, J. P. G., Brusko, G. ¬D., Wang, M. Y., & Garcia, R. (2020). Long-Term Clinical Outcomes With the Activ-L Lumbar Arthroplasty System. International Journal of Spine Surgery, 14(5), 731–735.
  3. Zigler, J. E., Sachs, B. L., Rashbaum, R. F., & Ohnmeiss, D. D. (2007). Two- to 3-Year Follow-Up of ProDisc-L: Results From a Prospective Randomized Trial of Arthroplasty Versus Fusion. International Journal of Spine Surgery, 1(2), 63–67.
  4. Pinter, Z. W., Freedman, B. A., Nassr, A., Sebastian, A. S., Coric, D., Welch, W. C., Steinmetz, M. P., Robbins, S. E., Ament, J., Anand, N., Arnold, P., Baron, E., Huang, J., Whitmore, R., Whiting, D., Tahernia, D., Sandhu, F., Chahlavi, A., Cheng, J., . . . Anekstein, Y. (2022). A Prospective Study of Lumbar Facet Arthroplasty in the Treatment of Degenerative Spondylolisthesis and Stenosis. Clinical Spine Surgery: A Spine Publication, Publish Ahead of Print.
  5. Devin, C. J., McCullough, K. A., Morris, B. J., Yates, A. J., & Kang, J. D. (2012). Hip-spine Syndrome. Journal of the American Academy of Orthopaedic Surgeons, 20(7), 434–442
  6. Esposito, C. I., Carroll, K. M., Sculco, P. K., Padgett, D. E., Jerabek, S. A., & Mayman, D. J. (2018). Total Hip Arthroplasty Patients With Fixed Spinopelvic Alignment Are at Higher Risk of Hip Dislocation. The Journal of Arthroplasty, 33(5), 1449–1454.
  7. Onggo, J. R., Nambiar, M., Onggo, J. D., Phan, K., Ambikaipalan, A., Babazadeh, S., & Hau, R. (2019). Clinical outcomes and complication profile of total hip arthroplasty after lumbar spine fusion: a meta-analysis and systematic review. European Spine Journal, 29(2), 282–294.
  8. Diebo, B. G., Beyer, G. A., Grieco, P. W., Liu, S., Day, L. M., Abraham, R., Naziri, Q., Passias, P. G., Maheshwari, A. V., & Paulino, C. B. (2018). Complications in Patients Undergoing Spinal Fusion After THA. Clinical Orthopaedics & Related Research, 476(2), 412–417.
  9. Lazennec, J., Riwan, A., Gravez, F., Rousseau, M., Mora, N., Gorin, M., Lasne, A., Catonne, Y., & Saillant, G. (2007). Hip Spine Relationships: Application to Total Hip Arthroplasty. HIP International, 17(5_suppl), 91–104.
  10. Vigdorchik, J. M., Sharma, A. K., Buckland, A. J., Elbuluk, A. M., Eftekhary, N., Mayman, D. J., Carroll, K. M., & Jerabek, S. A. (2021). 2021 Otto Aufranc Award: A simple Hip-Spine Classification for total hip arthroplasty : validation and a large multicentre series. The bone & joint journal, 103-B(7 Supple B), 17–24.
  11. Elbuluk, A. M., Wright-Chisem, J. I., Vigdorchik, J. M., & Nunley, R. M. (2021). Applying the Hip-Spine Relationship: What X-Rays and Measurements Are Important? The Journal of Arthroplasty, 36(7), S94–S98.
  12. Alex Sielatycki, J., Devin, C. J., Pennings, J., Koscielski, M., Metcalf, T., Archer, K. R., Dunn, R., Craig Humphreys, S., & Hodges, S. (2021). A novel lumbar total joint replacement may be an improvement over fusion for degenerative lumbar conditions: a comparative analysis of patient-reported outcomes at one year. The spine journal : official journal of the North American Spine Society, 21(5), 829–840.
  13. Spece, H., Yarbrough, R. V., & Kurtz, S. M. (2022). In Vivo Performance of Vitamin E Stabilized Polyethylene Implants for Total Hip Arthroplasty: A Review. The Journal of Arthroplasty.
  14. Patwardhan, A. G., Sielatycki, J. A., Havey, R. M., Humphreys, S. C., Hodges, S. D., Blank, K. R., & Muriuki, M. G. (2021). Loading of the lumbar spine during transition from standing to sitting: effect of fusion versus motion preservation at L4–L5 and L5–S1. The Spine Journal, 21(4), 708–719.
  15. Hey, H. W. D., Lau, E. T. C., Tan, K. A., Lim, J. L., Choong, D., Lau, L. L., Liu, K. P. G., & Wong, H. K. (2017). Lumbar Spine Alignment in Six Common Postures. Spine, 42(19), 1447–1455.
  16. Lazennec, J. Y., Kim, Y., Folinais, D., & Pour, A. E. (2020). Sagittal Spinopelvic Translation Is Combined With Pelvic Tilt During the Standing to Sitting Position: Pelvic Incidence Is a Key Factor in Patients Who Underwent THA. Arthroplasty Today, 6(4), 672–681.
  17. Sielatycki, J. A., Patwardhan, A. G., Hodges, S. D., Humphreys, S. C., Havey, R. M., Blank, K. R., & Muriuki, M. (2022). P74. During activities of daily living two-level motion preservation and hybrid constructs may be protective of adjacent segments. The Spine Journal, 22(9), S161–S162.

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MOTUSSpinal Implant
7,555,010; 7,875,077; 8,888,852;
8,372,150; 9,770,338; 10,631,995; 10,821,003