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FIRMNESS CATEGORIES
EN
Refer to the chart below to determine the correct firmness category.
Note: Incorrect category selection may result in poor device function. Contact College Park
Technical Service if you have questions about category selection.
WEIGHT LBS
WEIGHT KG
SIZE CM
Low-Moderate Impact
High Impact
ASSEMBLY AND DISASSEMBLY (for sock replacement)
Use the Foot Horn to don and doff the foot shell. Remove the CPI sock and replace as needed.
Any further disassembly or modification of components will void the warranty.
ENDOSKELETAL MOUNTING
Use only high quality proximal endoskeletal components.
STATIC ALIGNMENT
For optimal function, balance the patient's weight evenly between the heel and toe. (Figure 2)
▪ The Orbit was designed with a 3/8" (10.0 mm) heel rise.
▪ The load line divides the foot at 1/3 heel lever and 2/3 toe lever.
DYNAMIC ADJUSTMENTS
DESIRED RESULT
Firmer Toe Response
Softer Toe Response
Firmer Heel Response
Softer Heel Response
*To install or remove heel wedge, refer to the Horizon Wedge Kit Instructions.
TORSION ADJUSTMENTS (FIGURE 3)
▪ Range of adjustment = 2 full turns
▪ Factory setting = minimum resistance
SYMPTOM
Rotation too fast
Rotation too slow
0-140
141-180
0-63
64-81
21-30
1
2
2
3
ALIGNMENT CHANGE
Plantarflex the Orbit or move load
line posterior
Dorsiflex the Orbit or move load
line anterior
Dorsiflex the Orbit or move load
line anterior
Plantarflex the Orbit or move load
line posterior
DESIRED RESULT
Less torsion moment/
Increase Resistance
Greater torsion moment/
Decrease Resistance
181-220
221-275
82-100
101-125
3
4
4
5
COMPONENT CHANGE
---
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Add heel wedge
Remove heel wedge
ADJUSTMENT
Turn clockwise
Turn counterclockwise
276-330
126-150
5
6
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