College Park trustep Manual Del Usuario página 5

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PROTECTIVE COVER ON DOME
Remove the protective cover on dome after alignment is completed and before patient leaves clinic.
ENDOSKELETAL MOUNTING
Use only high quality proximal endoskeletal components (30 mm).
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 61 N·m (45 ft·lbs). To skip alignment and lamination,
®
go to Step 9.
2.
If using the align-able Exo option, attach Exo Pyramid Tool to Exo Block with four 6 mm screws.
Torque to 15 N·m (11 ft·lbs).
3.
Attach 30 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 heel bone. Re-assemble foot, don CPI Sock and foot shell.
DYNAMIC ADJUSTMENTS
DESIRED RESULT
Firmer Toe Response
Softer Toe Response
Firmer Heel Response
Softer Heel Response
Increase/Decrease Rotation,
Inversion or Eversion
STATIC ALIGNMENT
For optimal function have the patient's weight balanced between the forefoot and heel.
The load line divides the foot at 1/3 heel lever and 2/3 toe lever.
ANKLE REMOVAL
(ACCESS TO REAR BUMPER, ANKLE BUSHINGS AND MIDSTANCE PAD)
1.
Use the Foot Horn to don/doff the foot shell. Remove the CPI Sock and replace as needed.
2.
Use a 6 mm and 4 mm hex keys to remove the axial pin screw.
3.
Attach the pin guide to the axial pin. Push and rotate clockwise.
4.
Unscrew the axial pin from the pin guide and remove it from the ankle bone.
5.
Remove the ankle bone to access the rear bumpers, ankle bushings and midstance pad.
6.
For re-assembly, lubricate the axial pin, inside and outside of the ankle bushings, ankle bushing pocket and
the contact surface of the midstance pad, then reverse steps 1-4. Torque the axial pin screw to 4 N·m (36 in·lbs).
DO NOT lubricate front and rear bumpers.
ALIGNMENT CHANGE
Plantarflex the Trustep or
move load line posterior
Dorsiflex the Trustep or
move load line anterior
Dorsiflex the Trustep or
move load line anterior
Plantarflex the Trustep or
move load line posterior
—
COMPONENT CHANGE
Front Bumper up one step firmer
Front Bumper down one step softer
or use MIN Insert
Rear Bumper up one step firmer
Rear Bumper down one step softer
Change Ankle Bushings
ENGLISH Trustep | 2