Fitting Advice - Blatchford Multiflex Pyramid Ankle Instructions D'utilisation

7 Fitting Advice

934331 for snubber replacement
Symptoms
• Sinking at heel strike
• Foot slap
• Rapid transition from the heel
strike through stance phase
• Difficulty controlling heel
action (e.g. foot jars into mid-
stance)
• Foot feels too rigid
• Drop off in mid-late stance
• Feels like walking downhill
• Difficulty walking over the
forefoot
• Feels like walking uphill
Note: Bilateral amputees may require stiffer snubbers than unilateral amputees. Trans-femoral
amputees may require a softer plantarflexion action than trans-tibial amputees.
Ankle ball joint:
primary
plantarflexion
control
15°
Max
Cause Solution
Heel too soft a.
b. Fit a harder ankle ball
Heel too hard a.
b. Fit a softer ankle ball
Forefoot too a.
soft
b. Fit a harder snubber
Forefoot too a.
hard
b. Fit a softer snubber
Snubber:
primary
dorsiflexion
control
7
Confirm A–P alignment and heel
height accommodation
Confirm A–P alignment and heel
height accommodation
Confirm A–P alignment and heel
height accommodation
Confirm A–P alignment and heel
height accommodation
10°
Max
938225/5-0819