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Unloader One®

Unloader One®


HC000987

Unloader One® is a comfortable, lightweight, low-profile brace that provides excellent suspension and unloading leverage. Utilizing Össur’s clinically proven 3-Points of Leverage, the dual Dynamic Force Straps are easily fine-tuned using the SmartDosing® system. 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

Features and benefits

  • Össur’s Sensil® liners are designed to improve comfort and reduce migration
  • Colour-coded Quick Fit buckles simplify application and removal

Private Patients Referral Pathway

To find out more about Unloader One and it’s benefits please call 08450 065065 or email ukreferrals@ossur.com.

Learn about Unloader One, Osteoarthritis and about managing and treating knee pain

Visit our information site on available treatment options for kneepain caused by osteoarthritis.

Order Information

Unloader One Short - Medial
SmartDosing Part #Ratchet Part #LegCompartmentSizeMeasuring*
B-241518711 B-241519711 Right Medial X-Small 9.8 - 12.2" / 25 - 31cm
B-241618711 B-241619711 Left Medial X-Small 9.8 - 12.2" / 25 - 31cm
B-241518712 B-241519712 Right Medial Small 12.2 - 14" / 31 - 35.5cm
B-241618712 B-241619712 Left Medial Small 12.2 - 14" / 31 - 35.5cm
B-241518713 B-241519713 Right Medial Medium 14 - 16.75" / 35.5 - 42.5cm
B-241618713 B-241619713 Left Medial Medium 14 - 16.75" / 35.5 - 42.5cm
B-241518714 B-241519714 Right Medial Large 16.75-20” / 42.5 - 51cm
B-241618714 B-241619714 Left Medial Large 16.75-20” / 42.5 - 51cm
B-241518715 B-241519715 Right Medial XLarge 20-24” / 51 - 61.5cm
B-241618715 B-241619715 Left Medial XLarge 20-24” / 51 - 61.5cm
Circumference: 6" / 15cm below mid-patella
Unloader One Short - Lateral
Part# w. SmartDosingPart# w. RatchetLegCompartmentSizeMeasuring*
B-241528711 B-241529711 Right Lateral X-Small 9.8 - 12.2" / 25 - 31cm
B-241628711 B-241629711 Left Lateral X-Small 9.8 - 12.2" / 25 - 31cm
B-241528712 B-241529712 Right Lateral Small 12.2 - 14" / 31 - 35.5cm
B-241628712 B-241629712 Left Lateral Small 12.2 - 14" / 31 - 35.5cm
B-241528713 B-241529713 Right Lateral Medium 14 - 16.75" / 35.5 - 42.5cm
B-241628713 B-241629713 Left Lateral Medium 14 - 16.75" / 35.5 - 42.5cm
B-241528714 B-241529714 Right Lateral Large 16.75-20” / 42.5 - 51cm
B-241628714 B-241629714 Left Lateral Large 16.75-20” / 42.5 - 51cm
B-241528715 B-241529715 Right Lateral XLarge 20-24” / 51 - 61.5cm
B-241628715 B-241629715 Left Lateral XLarge 20-24” / 51 - 61.5cm
Circumference: 6" below mid-patella
Unloader One - Medial
Part# w. SmartDosingPart# w. RatchetLegCompartmentSizeMeasuring*
B-240518712 B-240519712 Right Medial Small 12.2 - 14" / 31 - 35.5cm
B-240618712 B-240619712 Left Medial Small 12.2 - 14" / 31 - 35.5cm
B-240518713 B-240519713 Right Medial Medium 14 - 16.75" / 35.5 - 42.5cm
B-240618713 B-240619713 Left Medial Medium 14 - 16.75" / 35.5 - 42.5cm
B-240518714 B-240519714 Right Medial Large 16.75-20” / 42.5 - 51cm
B-240618714 B-240619714 Left Medial Large 16.75-20” / 42.5 - 51cm
B-240518715 B-240519715 Right Medial XLarge 20-24” / 51 - 61.5cm
B-240618715 B-240619715 Left Medial XLarge 20-24” / 51 - 61.5cm
Circumference: 6" below mid-patella
Unloader One - Lateral
SmartDosing Part #Ratchet Part #LegCompartmentSizeMeasuring*
B-240528712 B-240529712 Right Lateral Small 12.2 - 14" / 31 - 35.5cm
B-240628712 B-240629712 Left Lateral Small 12.2 - 14" / 31 - 35.5cm
B-240528713 B-240529713 Right Lateral Medium 14 - 16.75" / 35.5 - 42.5cm
B-240628713 B-240629713 Left Lateral Medium 14 - 16.75" / 35.5 - 42.5cm
B-240528714 B-240529714 Right Lateral Large 16.75-20” / 42.5 - 51cm
B-240628714 B-240629714 Left Lateral Large 16.75-20” / 42.5 - 51cm
B-240528715 B-240529715 Right Lateral XLarge 20-24” / 51 - 61.5cm
B-240628715 B-240629715 Left Lateral XLarge 20-24” / 51 - 61.5cm
Circumference: 6" below mid-patella
Össur Knee Undersleeves
*Circumference: 6" above mid-patella
Grey Undersleeve Part# SizeMeasuring*
B-250150201 X-Small 12-15in (30.5-38cm)
B-250150202 Small 15-18in (38-45.5cm)
B-250150203 Medium 18-22in (45.5-56cm)
B-250150204 Large 22-26in (56-66cm)
B-250150205 X-Large 26-29in (66-73.5cm)
B-250150206 2X-Large 29-33in (73.5-84cm)