ISO Preferred – Night Ankle Splint with Wedge

HCPCS: L4396/L4397



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The ISO Preferred Night Ankle Splint with Wedge (AN37x) is a static or dynamic ankle foot orthosis designed for patients to aid in alleviating pain associated with plantar fasciitis and /or lower extremity overuse injuries. The splint provides a gentle overnight stretch and controls movement by positioning and stretching out the fascia, thus preventing the foot from tensing while sleeping. The adjustable, bilateral dorsi-flexion straps and optional toe wedge allow custom levels of stretch to meet the patient’s needs and preferences.


  • Apply to left or right ankle
  • Lightweight construction
  • Soft foam & spandex liner
  • Adjustable padded ankle and calf straps
  • Adjustable bilateral dorsi-flexion straps
  • Optional toe wedge
  • One piece plastic frame w/non-skid tread
  • Easy application with advanced gripping material on straps and quick release snap buckles
  • Hand washable



Plantar fasciitis, Achilles tendinopathy, Lower extremity overuse injuries, General heel pain, Heel spurs, Plantar Flexion contractures.



AFO Night Ankle Splint with Wedge

The ISO Preferred Night Ankle Splint with Wedge comes in 3 sizes that are aligned with typical shoe sizes. Consult the chart for correct size.



Weight 1.07 lbs
Dimensions 5 × 15 × 12 in

Small, Medium, Large

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