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ADJUSTMENTS
3-MODE FUNCTION
The Capital Knee has three functional modes that can be adjusted by the end user. To change the mode, press down on the mode switch lock,
then rotate the switch to the left, center, or right position. When lined up, the lock will click in place.
Lock Mode (Figure 6A)
When the switch is moved to the left, the knee provides high resistance to flexion. It will continue to extend until full extension is reached.
Normal Walking Mode (Figure 6B)
At the center position, the knee functions according to the hydraulic settings of swing flexion, swing extension, and stance flexion resistance.
Free Swing Mode (Figure 6C)
When the switch is moved to the right, stance flexion is bypassed. This allows free movement in both flexion and extension.
Caution: To prevent sudden collapse, users should use caution when applying weight to the knee during free swing mode.
ACCESSING HYDRAULIC ADJUSTMENTS
Remove the hydraulic adjustment cover before adjusting and replace when finished. (Figure 7A)
Note: Hydraulic valve adjustments can be made using a 4mm Allen wrench.
Note: The full range of valve adjustment is 180°
The effect of a dynamic adjustment can be felt with as little as 1/8 - 1/4 turn.
DYNAMIC ADJUSTMENTS
For dynamic adjustments, have your patient begin ambulating at a comfortable cadence to fine-tune the flexion and extension resistance.
After the initial settings are established, it is important for the patient to demonstrate walking at variable speeds and on uneven surfaces
(ramps, stairs, etc.) in order to fully adjust the knee. Perform a stand-to-sit action and/or stair/ramp descent to optimize stance
flexion resistance.
(FIGURE 5)
(FIGURE 7)
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