Use; Movement Patterns In Basic Mode (Mode 1); Standing; Stance Function - Otto Bock C-Leg 3C98-3 Instructions For Use Manual

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9 Use

9.1 Movement patterns in basic mode (mode 1)

9.1.1 Standing

Knee control through high hydraulic resistance and static alignment.
A stance function can be enabled using the adjustment software. Please see the following
section for further information on the stance function.

9.1.1.1 Stance function

INFORMATION
If this function has been enabled in the adjustment software, the stance function can be activated/deactivated
using the cockpit app (see Page 68) or the remote control (optional accessory).
The stance function (standing mode) is a functional supplement to the basic mode (mode 1). This function makes it
easier for the patient to stand on an inclined surface for a longer time. The joint is fixed in the flexion direction at a
flexion angle between 5° and 65°.
This function must be enabled in the adjustment software. Once the function is enabled, you can also choose
between an automatic and manual lock.
Auto joint lock
The auto stance function recognises any situation that puts strain on the prosthesis in the flexion direction but
where flexion is not permitted. Examples of this include standing on uneven or sloping surfaces. The knee joint is
always locked in the flexion direction when the prosthetic leg is not fully extended and is at rest. Upon forward or
backward rollover or extension, the level of resistance is immediately reduced to stance phase resistance again.
The knee joint is not locked when the above conditions are met and a sitting position is assumed (for example while
driving).
The stance function can also be set manually to any flexion angle between 5° und 65° (see the next section).
Manual joint lock
1) Flex the joint between 5°and 65° and keep it still for one second.
2) Slowly extend the joint up to the desired standing angle.
3) In this position, keep the joint still for one second until it vibrates.
→ The blocked joint can now be fully loaded in the flexion direction.
Releasing joint lock
► Quickly extend the joint or tilt the thigh slightly forward or more than 50° back.
C-Leg 3C98-3/3C88-3
► Tap the OK button.
→ The connection to the last connected device is broken off and estab­
lished with the current device.
OK
Use
Ottobock | 63