Otto Bock Dynion 3R85 Quick Reference Manual page 4

Hide thumbs Also See for Dynion 3R85:

Optimisation during the dynamic fitting – exercises and adjustments

Sitting down

Walking

Walking down ramps

Adjust the stance phase flexion resistance so it provides the patient with

adequate safety yet does not generate excessive resistance.

2.1

Allow the patient to walk only with safeguards in place. At the start of the

walking exercise, increase the switching threshold so the swing phase

cannot be enabled. Subsequently, decrease the switching threshold in

especially small increments (max. 15°) until the swing phase can be

initiated. Do not further reduce the switching threshold value after the

appropriate setting is found. Adjust the settings first at normal walking

speed, then with short, quick steps and finally with long, fast steps.

Adjust all settings in small increments (max. 15°). Check the effect on the

gait pattern after each change.

Adjust the swing phase flexion resistance so the lower leg of the prosthesis

does not swing through too far in dorsal position and reaches full extension

in time for the next heel strike.

Adjust the swing phase extension resistance so the prosthetic knee joint

does not swing too hard against the extension stop but reaches full

extension in time for the next heel strike. After making adjustments ( –

especially for settings in the range marked with!), test the settings while

walking with support (e.g. between parallel bars) at different walking

speeds, because the switching threshold may have been changed so that

stance phase flexion resistance is deactivated under heel load. In this case,

increase the switching threshold setting clockwise correspondingly.

Adjust the stance phase flexion resistance so it provides the patient with

adequate safety yet does not generate excessive resistance.

During the exercise, also check whether the swing phase extension

resistance setting is still appropriate and adjust it if necessary.

Set the swing phase extension resistance so that full extension is reached at

heel strike if possible.

2.2

Walking down stairs

2.3