Toe Flex
Instructions for Use
Introduction The Toe Flex foot/ankle system combines a unique combination of
articulating ankle and toe segments with a carbon fiber heel, to provide low to moderate
impact K2/K3 ambulators an exceptionally normal walking gait. The result is good stability
and confidence for trans tibial, trans femoral, and bilateral trans tibial amputees.
•
Articulated ankle movement provides Dorsi and Plantar flexion motion, with slight
adaption to slopes for enhanced stability and overall comfort.
•
An innovative flexible toe break and spring mechanism enhances smooth roll over
•
Heel stiffness can be fine tuned with included heel wedge bumpers
•
The unique Toe Flex design delivers articulation on slight grades, stairs, and level
ground for stability.
The Toe Flex is intended for use by low to moderate impact trans tibial and transfemoral
K2/K3 level ambulators. Caution should be used when fitting bilateral patients to assess
their ability to adapt to the movement of the ankle. Toe Flex has a weight limit of 275 lbs.
(125 kg).
The Toe Flex foot/ankle system is pre-assembled consisting of a foot/ankle module,
Spectra sock and foot shell. After dynamic alignment, torque pyramid adjustment screws
to the manufacturer’s specifications. Secure pyramid adjustment screws with a thread
locking adhesive (i.e., Loctite 242).
Introduction
Patient Selection
Assembly
Alignment
Bench Alignment
Static Alignment
Bench alignment with a 3/8” (10mm) lift under the heel or the foot placed in the desired
shoe, use a plumb bob or vertical laser line to confirm that the weight line falls through
the middle of the anterior bumper (1/2” or 12mm anterior to center of ankle pivot bolt).
Prior to donning the prosthesis:
• Plantarflex/Dorsiflexion foot to match the shoe heel height.
• Adduct/Abduct socket to provide appropriate frontal plane angle.
• Flex/Extend socket to provide appropriate sagittal plane angle.
• Move the socket linearly to ensure the weight line falls along the anterior edge of the
pylon (see illustration).
To complete the static alignment, stand the patient in a set of parallel bars. The patient
should be able to stand comfortably without feeling as if the knee is flexing or
hyperextending. If the knee is flexing, shift the foot anteriorly. If the knee is
hyperextending, shift the foot posteriorly.
3/8”(10mm)
Weight Line
1/2” or 12mm Anterior
