Reproducible Results

The BioPro First MPJ Hemi Implant has over 65 years of clinical use with studies on average, reporting 95%+ implant survivorship.^1-12 Simple instrumentation helps ensure consistent, reproducible results.

Satisfied Patients

Recent studies report 97% satisfaction at 8.3 years. In addition to maintaining motion, the implant allows for immediate weight bearing at the discretion of the surgeon allowing the patient to return to activity on average 5 weeks faster than fusion patients. ²

Revision Options

In the right patient, our implants have been proven to last 20+ years.³ If complications do arise, studies show conversion from a failed hallux phalangeal hemiarthroplasty to arthrodesis have similar success rates to primary arthrodesis.⁴

1. Timothy Voskuijl, MD, Ron Onstenk, MD. Operative Treatment for Osteoarthritis of the First Metatarsophalangeal Joint: Arthrodesis Versus Hemiarthroplasty. The Journal of Foot & Ankle Surgery xxx (2015) 1–4
2. Karin H. Simons, MD, Pieter van der Woude, MD, Frank W.M. Faber, MD, PhD , Paulien M. van Kampen, PhD , Bregje J.W. Thomassen, PhD. Short-Term Clinical Outcome of Hemiarthroplasty Versus Arthrodesis for End-Stage Hallux Rigidus. The Journal of Foot & Ankle Surgery xxx (2015) 1–4
3. Giza E, Sullivan MR. First Metatarsophalangeal Hemiarthroplasty for Grade III and IV Hallux Rigidus Techniques in Foot and Ankle Surgery 4(1):10-17,2005
4.  Clement, N. D., MacDonald, D., Dall, G. F., Ahmed, I., Duckworth, A. D., Shalaby, H. S., & McKinley, J. (2016). Metallic hemiarthroplasty for the treatment of end-stage hallux rigidus. Bone Joint J, 98-B(7), 945-951.
5. Taranow, DO. et al. Contemporary Approaches to Stage II and III Hallux Rigidus: The Role of Metallic Hemiarthroplasty of the Proximal Phalanx. Foot and Ankle Clinics , Volume 10 , Issue 4 , 713 - 728
6. Roukis TS, Townley, MD. BIOPRO resurfacing endoprosthesis versus periarticular osteotomy for hallux rigidus: short-term follow-up and analysis. Journal of Foot & Ankle Surgery 2003;42(6):350-8
7. Juan C. Goez, DPM, Charles O. Townley MD, Warren Taranow, DO. An Update on the Metallic Hemiarthroplasty Resurfacing Prosthesis for the Hallux. Presented at the 56th Annual Meeting and Scientific Seminar of the American College of Foot and Ankle Surgeons. Orlando FL February 1998
8. Charles G. Kissel, DPM, FACFAS, Zeeshan S. Husain, DPM AACFAS, Paul H. Wooley, PhD, Michael Kruger, MS, Mark A. Schumaker, DPM, Michael Sullivan, DPM, and Todd Snoeyink, DPM. A Prospective Investigation of the Biopro® Hemi-Arthroplasty for the First Metatarsophalangeal Joint. The Journal of Foot & Ankle Surgery 47(6):505–509, 2008
9. Taranow, DO , Townley, MD. Metallic proximal phalangeal hemiarthroplasty for hallux rigidus. Operative Techniques in Orthopaedics 1999;9(1):33
10. Townley, MD, Taranow, DO. A metallic hemiarthroplasty resurfacing prosthesis for the hallux metatarsophalangeal joint. Foot & Ankle International 1994;15(11):575-80
11. Christine C. Salonga, DPM, David C. Novicki, DPM, FACFAS , Martin M. Pressman, DPM, FACFAS , D. Scot Malay, DPM, MSCE, FACFAS. A Retrospective Cohort Study of the BioPro Hemiarthroplasty Prosthesis. The Journal of Foot & Ankle Surgery 49 (2010) 331–339
12.  Giza, E., Sullivan, M., Ocel, D., Lundeen, G., Mitchell, M., & Frizzell, L. (2010). First metatarsophalangeal hemiarthroplasty for hallux rigidus. International Orthopaedics, 34(8), 1193–1198. https://doi.org/10.1007/s00264-010-1012-x 13. Garras, D. N., Durinka, J. B., Bercik, M., Miller, A. G., & Raikin, S. M. (2013). Conversion Arthrodesis for Failed First Metatarsophalangeal Joint Hemiarthroplasty. Foot & Ankle International, 34(9), 1227–1232.