Cascade - Orthotic & Prosthetic Supplier

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3R17 Modular Single Axis Knee Joint with Lock and Extension Assist


The 3R17 Single Axis Knee features an upper and a lower joint section connected through the knee axis by bushings and ball bearings. The adjustable lock secures the joint in extension.

  • Lock is released using the lock cable
  • Locking occurs automatically at full extension with assistance from the extension assist spring

  • Activity Level: K1
  • Knee Design Type: Single Axis, Manual Lock
  • Axis: Single Axis
  • Swing Phase: Friction
  • Stance Phase: Friction
  • Control Frame Material: Stainless Steel
  • Build Height (mm): 107 (with adapter)
  • Product Weight (g): 695
  • Maximum User Weight: 330lbs (150kg)
  • Maximum Knee Flexion Angle: 120 Degrees
  • Proximal Connection: Pyramid Adapter
  • Distal Connection: Pyramid Adapter
  • Trial Period: N/A
  • Warranty: 24 months from delivery date

Manufacturer Recommended HCPCS: L5810; L5850
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