Hi Richard.
I have two possible solutions.
1) Chest plate mounted joystick.
I have done this before with good success, but it may be client
dependent.
2) Over pressure switch in the headrest.
I have done this before as well, but not reviewed the results as
yet.
The headrest was pivoted and had a disable switch incorporated in
the mechanism.
When the client spasmed, the chair drive was disabled.
Hope this helps.
Geoff
G.J.Harbach I.Eng MIED IIPEM
Clinical Technologist
Special Controls Service Manager
Posture & Mobility Services
West Midlands Rehabilitation Centre
91 Oak Tree Lane, Selly Oak
Birmingham, B29 6JA
Tel 0121 627 8941
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-----Original Message-----
From: A discussion list for Assistive Technology professionals.
[mailto:[log in to unmask]]On Behalf Of Richard Caley
Sent: 25 November 2004 14:36
To: [log in to unmask]
Subject: move away chin control joysticks
Dear all,
I have a young client with ataxic cerebral palsy requiring a swing away chin
mounted joystick. He currently has a multi-positional arm mounted higher
than his head at the back of the chair, it then comes forward high above his
shoulder to avoid being caught by his arm, then comes down crossing in front
of his chest to finally provide fine positioning of his mini joystick at
chin level. The problem is that he needs others to release a clamp to enable
the arm to swing away. He is then able to interact more closely with others
as he is then able to move his upper trunk forward in the chair.
I have only seen one motorised arm and I think this was from Invacare. Has
anyone ever used a manual or motorised swing away chin controller before
with a similar client?
An alternative is to mount a head control device at the back and sides of
the head. He also has problems of extensor spasm and occasionally forces his
head uncontrollable against the headrest.
Any solutions?
Kind Regards
Richard
Richard W Caley BSc, MSc, CSci, MIPEM
Clinical Scientist (Rehabilitation)
Medical Physics
Pinderfields Hospital
Wakefield, WF1 4DG
Tel: 01924 212234
Fax: 01924 212015
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