OA Solutions

Unloader One®

Unloader One® is a comfortable, lightweight, low-profile brace that provides excellent suspension and unloading leverage. This lightweight brace preserves the clinically-proven Össur® Unloader 3-Points of Leverage design by incorporating Dual Dynamic Force Straps that are easily fine-tuned via a Dynamic Force Control System. Color-coded Quick Fit Buckles simplify application and removal, while flexible shells and breathable liners, coated with Össur Sensil® Silicone improve comfort and reduce migration, helping to ensure patient compliance. Recent research demonstrates that Unloader One reduces pain, improves function and decreases the use of pain medication.

  • Mild to severe unicompartmental osteoarthritis
  • Unicompartmental knee conditions requiring load reduction, such as Articular Cartilage Defect Repair,  Avascular Necrosis, or Tibial Plateau Fracture
  • Thigh circumferences of 13.5” to 29” (34,3cm to 73,5cm) and calf circumferences of 9.8” to 24” (24,9cm to 61,5cm)
  • All non-contact activities

The Unloader One® is Evolving

A new softer and more flexible SmartDosing® system is now available – conforming better to the user’s leg – for improved comfort and compliance."


Unloader One video:




Effectiveness of osteoarthritis (OA) treatments vary from person to person, and treatment plans for OA of the knee usually involve a combination of approaches designed specifically to suit each individual.


Preventing further damage

For patients with very progressed knee OA, surgery may remain the only option, but early diagnosis and treatment can often help prevent or slow down further damage to the joints, and enable patients to remain more active and productive.1-6.



Treatment Options


Note that severity of OA is not only a function of its radiographic appearance.

  1. Kirane Y. et al. Lower Extremity Review, Sept 2010.
  2. Katz N, Losina E. Burden of OA – Health Services and Economics. OARSI Primer 2010. http://primer.oarsi.org/content/oarsi-primer.
  3. Agency for Healthcare Research and Quality (AHRQ). AHRQ Pub. No. 02-0023, May 2002.
  4. Briggs KK. et al. J Knee Surg 2012; 25:417–422. 14. Kirkley A. et al. J Bone Joint Surg1999.
  5. Pollo FE. et al. Am J Sports Med 2002.



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