User Manual

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Frequently Asked Questions

Q) How do I control a bebionic hand?

A) Bebionic is a myoelectric system with an advanced, multiarticulating, state of the art compliant hand as a

terminal device. Typical systems rely on 2 myoelectrode inputs, however where 2 signals cannot be detected

the system can be operated with 1 myo-electrode input. Other inputs, such as Force Sensitive Resistors and

Linear Transducers, are also suitable.

Q) How do I access different grip patterns?

A) Different grip patterns are accessed by manually positioning the thumb into either an opposed or non-opposed

position. A typical example would be, with the thumb opposed it is possible to alternate between Tripod and

Power Grip. To alternate between these 2 grip patterns, the user opens the hand fully, then provides a second

open signal. User feedback (beeps or vibrations) will indicate a change. When the hand is next closed, the grip

pattern will have changed to the alternate grip. Grip changes are also possible through co-contraction (a

simultaneous signal on a 2 electrode system) although this is less popular. In addition, pressing the Program

Switch positioned on the back of the hand allows further grips to be selected in opposed & non- opposed.

Bebionic hands are factory set to offer the most commonly used and enabling grip patterns; however these may

be changed at any time using bebalance software supplied with the hand.

Q) What is an opposed thumb?

A) This is the thumb position that allows the tip of the thumb to meet the tip of the index finger/middle finger.

Q) Can I adjust the thumb position?

A) The thumb position can be adjusted simply using tools supplied with the hand. There are a couple of reasons

why this may be required; either to adjust the point at which the thumb meets the index finger as it closes in

Tripod & Pinch grips or to adjust the opposed thumb position. Full details on this process are explained in the

Technical manual supplied with the hand.

Q) When I connect the power to my bebionic hand the hand opens. Why is this?

A) This is an important feature of the bebionic hand. Whenever it is disconnected and reconnected to its power

supply, the hand drives fully open. This allows the bebionic hand to calibrate. Allowing the hand to track all the

movements of the fingers and thumb, providing accurate repeatable grips. It is important not to block this motion

as this may affect the function, of the hand.

Summary of content (6 pages)

PAGE 1
Frequently Asked Questions Q) How do I control a bebionic hand? A) Bebionic is a myoelectric system with an advanced, multiarticulating, state of the art compliant hand as a terminal device. Typical systems rely on 2 myoelectrode inputs, however where 2 signals cannot be detected the system can be operated with 1 myo-electrode input. Other inputs, such as Force Sensitive Resistors and Linear Transducers, are also suitable.
PAGE 2
Q) Can I switch the hand off without it recalibrating/reopening? A) Yes this is one of the functions of the Program switch situated on the back of the hand. Full details are provided in the User & Technical guides. Press this button for 3-4 seconds and the hand will go into standby mode and open/close signals will be disregarded. This is a useful feature for extended tasks such as carrying or holding an object when moving the hand is not important.
PAGE 3
Q) What is the grip force of the hand? A) The bebionic hand can grip up to 140N in power grip and up to 36.6N in tripod grip. The hand operates a dynamic control system allowing the user to control the grip strength through the strength of their input signal. Q) What is the weight of the hand? A) The bebionic medium hand with an EQD wrist weighs 1lb 5oz, the short wrist version weighs 1lb 4oz and the multi-flex wrist version weighs 1lb 8oz.
PAGE 4
Q) How large is the opening width of the bebionic3 hand? A) The bebionic medium hand has an opening width of 4 1/8”. Q) How long is the warranty on the Hand? On the Production Glove? A) The bebionic hand has a one-year warranty as standard. The bebionic glove has a three-month warranty. Gloves are replaceable under warranty where the failure is due to a manufacturing fault or product design. Glove failure through misuse is not covered.
PAGE 5
A) Extremely user friendly. Experienced myo wearers can learn how to control bebionic and switch between the various grip patterns in a matter of minutes. Users who are new to Myo Electric prosthesis do not have to learn complex switching signals; they just have to master an open and close signal.
PAGE 6
A) Yes, in the United States, the bebionic hand is covered by most insurance companies and Worker’s Compensation Boards. A complete list of applicable codes and required documentation is available to your prosthetist to ensure all examinations, tests and justifications are provided in support of your claim to your insurance provider.