Otto Bock 28U11 WalkOn Series Instructions For Use Manual page 9

► Instruct the user in the proper and safe use of the product.
► Please keep this document in a safe place.
These instructions for use provide important information on the fitting and application of the
28U11 WalkOn, 28U23 WalkOn Trimable and 28U22 WalkOn Flex ankle-foot orthoses.
2 Intended use
2.1 Indications for use
The orthosis is intended exclusively for orthotic fittings of the lower limbs and exclusively for
contact with intact skin.
The orthosis must be used in accordance with the indications.
2.2 Indications
• Drop foot, without or with mild spasticity
Caused for example by:
• Peroneal nerve injury
• Stroke
• Traumatic brain injury
• Multiple sclerosis
• Neuromuscular atrophy
Indications must be determined by the physician.
2.3 Contraindications
2.3.1 Absolute Contraindications
• Moderate to severe spasticity in the lower leg
• Moderate to severe oedema
• Moderate to severe foot deformities
• Leg ulcers
2.3.2 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.
2.4 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.
2.5 Effects
• Supports dorsiflexion
• Promotes dynamic rollover
• Promotes a physiological gait pattern
• Reduces the risk of falling
2.6 Additional options
• 28Z10 Lateral pronation strap
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