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GAIT MATCH CHART
EN
Components may be changed as needed. Determine the user's firmness category, then refer to the chart below
for the recommended components.
For gait match adjustments, see section: Dynamic Adjustments.
COMPONENT
FRONT BUMPER*
ANKLE BUSHINGS
REAR BUMPER*
*Color Code: (S) Soft = Black, (M) Medium = Red, (F) Firm = Blue
ENDOSKELETAL MOUNTING
Use only high quality proximal endoskeletal components.
EXOSKELETAL MOUNTING
1.
Remove Exo Ankle Bone, then attach to College Park Exo Block with anti-rotation pin(s) oriented. Apply
Loctite
242 to mounting bolt. Torque to 47 N·m (35 ft·lbs). To skip alignment and lamination, go to Step 9.
®
2. If using the alignable Exo option, attach Exo Pyramid Tool to Exo Block with four 5 mm screws. Torque to
15 N·m (11 ft·lbs).
3. Attach 22 mm endo components to the Exo Pyramid Tool and temporarily mount the socket.
4. Re-attach the ankle bone to foot, donning CPI Sock and foot shell, then perform a dynamic alignment.
5. Remove foot from Exo Block.
6. Mount aligned prosthesis in transfer jig. Lock socket and Exo Block in position.
7. Remove endo components and Exo Pyramid Tool.
8. Use desired method to span Exo Block to the socket and remove from jig. Shape and laminate to desired
finish. Do not remove foam from the top of the Exo Block.
9. Re-attach ankle bone to foreheel.
10. Re-assemble foot, don CPI Sock and foot shell.
For growth plate assembly, refer to the Truper Growth Plate Kit Instruction Sheet (included with growth plates).
ASSEMBLY AND DISASSEMBLY
1.
Use the FootHorn to don and doff the Foot Shell. Remove the CPI Sock and replace as needed.
2. Use a 4 mm hex key to reduce the preload on the bumpers by turning the Stride Control adjuster
counter-clockwise. Record the number of turns for use in re-assembly.
3. Use two 4 mm hex keys to remove the axial pin screw and axial pin.
4. Remove the ankle bone from the foreheel to access the front and rear bumpers and ankle bushings.
For re-assembly, lubricate the axial pin, inside and outside of the ankle bushings and ankle bushing pocket, then reverse
steps 1-4. Torque axial pin screw to 4 N·m (36 in·lbs).
WARNING: Do Not lubricate front and rear bumpers.
STATIC ALIGNMENT (Figure 2)
For optimal function, balance the patient's weight evenly between the heel and toe.
▪ The Truper was designed with a 1/4" (6.3 mm) heel rise.
▪ The load line divides the foot at 1/3 heel lever and 2/3 toe lever.
STRIDE CONTROL ADJUSTMENT
The adjustable Stride Control gives you the ability to customize an individual's gait timing, fine-tuning the foot's
response by either turning it clockwise/ counterclockwise. This adjustment affects both plantar and dorsiflexion
resistance without the need to change soft components.
The Truper ships with a medium Stride Control setting. If new bumpers are fitted, set the preload to 3-turns
(medium preload) from the point of initial contact with the Foreheel Bone assembly.
If an additional 1-1/2 turns are required to attain the desired resistance, then a change in bumpers is recommended.
FIRMNESS CATEGORY
1
S
ONE FIRMNESS
S
2
M
ONE FIRMNESS
M
3
F
ONE FIRMNESS
F
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