Dear Barry,
I have just tried lip switching with the Tash microlight and thought that I might share my initial observations with you.
I placed the black target area resting on the groove just above the upper lip margin, at an angle of 45 degrees to the face with the switch lead downwards. The advantages seem to be as follows.
The top lip is more physically stable since the lower lip moves with the lower jaw.
The above groove forms a well defined anatomical marker for care staff to readily target.
The switch is above any saliva stream.
The lower lip as well as the upper lip can be brought into play to provide a switching function.
Nearly forgot to mention that the whole system will require head mounting as head control is usually a major problem.
Placing the switch in front of the lips and pushing the lips forward as in a kiss, seems to use more muscle groups and so I imaging would be more difficult and obstruct air flow / breathing.
Just a few thoughts, hope it helps.
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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