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Richard Your switch sounds interesting. How have you arranged setup by caregivers to be easy? Is the eyebrow detection optical also? Barry Taylor, Clinical Scientist Bioengineering Department Tulley Medical Physics Building, Hull Royal Infirmary Anlaby Road, Hull HU3 2JZ Tel 01482 675928, fax 01482 675750 > ---------- > From: Richard Caley[SMTP:[log in to unmask]] > Reply To: A discussion list for Assistive Technology professionals. > Sent: 13 November 2001 14:25 > To: [log in to unmask] > Subject: Re: EMG Switching > > Dear Neil and All, > After several months of perseverance I have successfully produced a custom > eye blink & eyebrow switch, for a brain stem infarct patient, which mounts > on a headband. The optical sensor is a Sharp IS471F (RS564-396) and infra > red emitter Sharp GL480 (RS577-538). The prototype is reliable and is > easily fitted by care workers. I will shortly be producing a PCB version. > I also looked at the Cyberlink system but considered that the EEG analysis > may be affected by the patients injury. > > Richard W Caley > Clinical Scientist (Rehabilitation) > Pinderfields Hospital > Wakefield > > >>> [log in to unmask] 11/12/01 02:07pm >>> > Dear All, > > Does anybody have some good ideas about reliable EMG sensing equipment > used to create an on/off output, i.e. for switching. The device would need > to easily set up by a non-technical person and as small as possible. > Isolation of the patient electrically is of course paramount. > > Devices we've tried in the past are listed below. We would now like to > extend our possibilities. > ProComp from Though Technology, http://www.thoughttechnology.com > and Myo-electric from Aleph 1, http://www.aleph1.co.uk/bio/ds02.html > > To give you some background we have various patients/clients with brain > injuries such as Brain Stem Stroke that result in only eye movement or > cheek movement and we want to use this movement functionally for as much > communication independence as possible. > > Thanks, > > Neil Gregory > Clinical Engineer > Access to Communication and Technology > West Midlands Rehabilitation Centre, England > [log in to unmask] > Tel. UK +44 (0)121-627 8235 > Fax. UK +44 (0)121-627 8892 > > This e-mail contains proprietary information some or all of which may be > legally privileged. It is for the intended recipient only. If an > addressing or transmission error has misdirected this e-mail, please > notify the author by replying to this e-mail. If you are not the intended > recipient you must not use, disclose, distribute, copy, print, or rely on > this e-mail. > >