Otto Bock 28U24 Instructions For Use Manual page 14

The orthosis must be used in accordance with the indications.
The doctor decides the daily duration of use for the product.
28U25 WalkOn Reaction Junior: The orthosis may be combined with other dynamic
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foot/ankle foot orthoses if the biomechanical requirements can be met more effectively as a
result.
3.2 Indications
• Minor impairment of plantarflexors
• Minor impairment of knee extensors
• Drop foot, with or without mild to moderate spasticity
Caused for example by:
• Stroke
• Traumatic brain injuries
• Multiple sclerosis
• Neuromuscular atrophy
• Peroneal nerve injury
• Infantile cerebral palsy (ICP)
28U25
• Impairment of the plantar flexor muscles
• Impairment of knee extension
Indications must be determined by the physician.
3.3 Contraindications
3.3.1 Absolute Contraindications
• Moderate to severe spasticity in the lower leg
• Moderate to severe oedema
• Moderate to severe foot deformities
• Leg ulcers
3.3.2 Relative Contraindications
The following indications require consultation with a physician: skin diseases/injuries, inflamma­
tion, prominent scars that are swollen, reddening and hyperthermia of the fitted limb/body area;
lymphatic flow disorders, including unclear soft tissue swelling distal to the body area to which
the medical device will be applied; sensory and circulatory disorders in the lower leg and the foot
area.
3.4 Lifetime
When used as intended, the product is designed for:
Junior 1 year (shoe sizes EU 24-27, 27-30, 30-33, 33-36)
Adults 2 years (shoe sizes EU 36-39, 39-42, 42-45, 45-48)
When the end of the lifetime is reached, have the product inspected for functionality by qualified
personnel. Use of the product beyond the specified lifetime is the responsibility of the user.
3.5 Restrictions for use
The orthosis must not be used for the prevention of contractures (shortening) etc.
The orthosis must not be used for sports activities that involve jumping, sudden movements or
rapid step sequences (e.g. basketball, badminton, riding sports). Sports activities should gener­
ally be discussed with the patient.
3.6 Effects
• Promotes a largely symmetrical and fluid physiological gait
• Supports knee extension and knee flexion
• Supports knee extension during toe-off
• Prevents uncontrolled foot contact and foot slap during heel strike
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