A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
326/1
A61N 1/32 (2006.01) A61N 1/36 (2006.01) A61N 1/372 (2006.01)
Patent
CA 1259379
NEUROCYBERNETIC PROSTHESIS Abstract A neurocybernetic prosthesis for controlling or preventing epileptic seizures and other motor disorders includes a pulse generator (10) which generates elec- trical pulses having a frequency of between 30 and cycles per second, a pulse duration of between .3 and 1 millisecond and a constant current of between 1 and 10 milliamperes. The generator (10) is enclosed in an epoxy-titanium shell and is implanted in the body, preferably in the axilla (66). Electrode leads (18, 20) pass from the generator (10) through a sub cutaneous tunnel and terminate in an electrode patch (62) on the vagus nerve (26). Provisions are made for varying the electrical signal. from the generator (10) after it has been implanted to "tune" the same to the patient. The prosthesis may be designed to be turned on manually when the patient senses the imminence of a convulsion. Alternatively, sensors (48, 50) may be provided for determining changes in the values of state parameters such as electroenceph- alographic waves which precede a convulsion. The pulse generator (10) can then be turned on automatically in response to the sensors (48, 50).
463017
Borden Ladner Gervais Llp
Zabara Jacob
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