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Runway HX Instructions For Use

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Product Description

Bench Alignment

Dynamic Alignment

Heel Stiffness

Toe Stiffness

Instructions for Use (R-720-092, Rev. J)
Runway® HX Instruction for Use
Product Number: RS2-K1
The Runway® HX is a carbon fiber adjustable heel height prosthetic foot. Its anatomical
gliding ankle maintains appropriate foot alignment to provide knee stability and consistent
performance at all heel heights. The Runway® carbon fiber material stores and returns
energy so that users can walk farther, faster, longer. The Runway® fiber layers are tailored
to an individual's body weight and impact level, providing a customized product for superior
comfort.
Prior to donning the prosthesis:
• Plantarflex/Dorsiflexion foot to match the shoe heel height. (See Operation Section)
• Adduct/Abduct socket to provide appropriate frontal plane angle.
• Flex/Extend socket to provide appropriate sagittal plane angle.
• Move the socket to ensure the weight line falls along the anterior edge of the pylon (see
illustration).
To optimize the heel to toe rollover motion, adjust the following variables:
• Anterior/posterior foot placement
• Dorsiflexion/plantarflexion
• Heel stiffness
Heel too soft
Heel too hard
Toe too stiff
Toe too soft
Weight Line
Symptoms
• Foot flat occurs too rapidly
• Toe feels excessively stiff
• Knee hyperextension
Solutions
• Shift socket anteriorly in relation to the foot
• Attach rubber stiffening bumpers
Symptoms
• Rapid knee flexion, instability
• Heel to toe progression too rapid
• Lack of energy return sensation
Solutions
• Shift socket posteriorly in relation to the foot
• Verify appropriate foot module category
Symptoms
• Flat spot in rollover motion at slow cadences
Solutions
• Consider a lower category foot module
Symptoms
• Clicking noise at initial contact
• Excessive toe deflection with high impact activity
Solutions
• Consider a higher category foot module
Page 1 of 4
English

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Summary of Contents for Runway HX

  • Page 1 Product Number: RS2-K1 Product Description The Runway® HX is a carbon fiber adjustable heel height prosthetic foot. Its anatomical gliding ankle maintains appropriate foot alignment to provide knee stability and consistent performance at all heel heights. The Runway® carbon fiber material stores and returns energy so that users can walk farther, faster, longer.
  • Page 2 Runway® HX Instruction for Use Product Number: RS2-K1 Stiffening Bumpers Rubber stiffening bumpers are included to adjust the heel stiffness during loading response. The bumpers may be temporarily attached between the heel lever and the keel using the pre-applied adhesive in the location indicated on the bumper package to increase heel stiffness one category.
  • Page 3 Runway® HX Instruction for Use Product Number: RS2-K1 • Remove the foot shell and Spectra™ sock to adjust the ankle shims. • • Ensure ankle assembly is clean and appropriately lubricated before adjustment. • Use a 1/8” hex wrench (provided) to tighten slide adjustment screws located on the underside of the pyramid slide.
  • Page 4 Runway® HX Instruction for Use Product Number: RS2-K1 • Warnings Wet or dirty environments may cause the ankle module to malfunction and make it difficult to operate. • Never allow aggregates such as sand to remain in the foot shell.

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