Combined stimulation of ventral and dorsal sacral roots for...

Details Combined stimulation of ventral and dorsal sacral roots for... Combined stimulation of ventral and dorsal sacral roots for...

A - Human Necessities

61

N

A61N 1/36 (2006.01)

Patent

CA 2343928

An apparatus and technique for controlling the bladder function of a patient by combined stimulation of the ventral and dorsal sacral roots. An electrode is implanted on the sacral motor nerves while a second electrode is implanted on the sacral sensory nerves, and the nerves are stimulated using quasitrapezoidal pulse trains to selectively activate and void the bladder. The technique makes it unnecessary to perform a dorsal rhizotomy.

L'invention concerne un appareil et une technique servant à réguler la fonction vésicale d'un patient par la stimulation combinée des racines sacrées ventrale et dorsale. Une électrode est implantée dans les nerfs sacrés moteurs, et une deuxième électrode est implantée dans les nerfs sacrés sensoriels. On stimule ces nerfs en utilisant des trains d'impulsions quasi-trapézoïdales pour activer et vider la vessie de manière sélective. Cette technique rend superflue l'opération de rhizotomie dorsale.

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