Product Description; Indications For Use; Technical Data - Össur OP4 KNEE Instrucciones De Uso

ENGLISH

PRODUCT DESCRIPTION

The OP4 Knee is a monocentric knee joint with a stable aluminium frame construction and a brake. It is used by
moderately active users, mobility 2 + (3), and is approved for a maximum body weight of 100 kg. The swing phase
is reliably controlled by the powerful pneumatic system. This enables users with reduced muscle activity to benefit
from this control.

INDICATIONS FOR USE

The OP4 Knee is designed for patients with transfemoral and knee disarticulation amputation.
CONTRAINDICATIONS FOR USE
N/A.

TECHNICAL DATA

Material
Amputation level
Maximum body weight
Total fitted height
Effective fitted height
Fitted height
Weight
Prox. connection
Dist. connection
Swing phase
Stance phase
Axes
Flexion angle without shaft
ADJUSTMENT
The knee joint OP4 Knee is delivered in full working order in the factory setting.
Carefully start to test the function of the joint with the user at the dynamic trial fitting and check whether this
setting suits the user's needs. If not, please go through the following steps.
Stance phase stability
Adjusting the load regulating screw L (13)
The load regulating screw L (13) is for adjusting the brake under load i.e. as weight is exerted. Use a 5 mm
hexagonal key for adjustment.
When setting up the joint individually with fine adjustments turn the screw in small steps of not more than about
¼ of a turn each time. Check the result.
Brake effect inadequate
• Turn the load regulating screw L (13) to the left
• The brake responds at a lower load
AL/CA
Above knee
100 kg
approx. 198 mm
approx. 146 mm
approx. 26 mm
approx. 680 g
Pyramid
Integrated 30 mm tube receiver
Pneumatic
Brake (load-dependent)
Monocentric
approx. 145°
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