Otto Bock 50A4 Rhizo Forsa Instructions For Use Manual page 10

2 Application
2.1 Indications for use
The orthosis is intended exclusively for orthotic fittings of the upper
limbs and exclusively for contact with intact skin.
The orthosis must be used in accordance with the indications.
2.2 Indications
• Collateral ligament injuries of the metacarpophalangeal joint
(e.g. skier's thumb)
• Sprains
• Irritation and wear of the carpometacarpal and metacarpo­
phalangeal joints (e.g. osteoarthritis of the base of the thumb)
Indications must be determined by the physician.
2.3 Contraindications
2.3.1 Absolute Contraindications
Not known.
2.3.2 Relative Contraindications
The following indications require consultation with a physician: skin
diseases/injuries, inflammation, prominent, swollen scars, redden­
ing and hyperthermia in the relevant area; pronounced varicose
veins, especially with impaired blood return, lymph drainage dis­
orders and unclear soft tissue swelling distal to the support; sensory
and circulatory disorders in the area of the forearm and hand, e.g.
associated with diabetic neuropathy.
2.4 Effects
The orthosis stabilises the carpometacarpal and metacarpophalan­
geal joints.
3 Safety
3.1 Explanation of warning symbols
CAUTION
10 | Ottobock
Warning regarding possible risks of accident or
injury.