SACRAL NEUROSTIMULATION TO INDUCE MICTURITION IN PARAPLEGICS
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United States of America Patent
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Issued Date -
Mar 24, 2011
app pub date -
Sep 20, 2010
filing date -
Sep 18, 2009
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Abstract
It is an object of the present invention to provide a method and apparatus for enhanced bladder voidance which would have the advantages of a rhizotomy yet be temporary and reversible by combining low and high-frequency sacral nerve stimulation. Applicants propose a new sacral neurostimulation strategy based on a combination of nerve conduction blockade using high frequency signals and nerve stimulation using low-frequency signals. The method and apparatus enhances micturition in paraplegics by sacral neurostimulation involving a combination of a low-frequency electrical stimulation applied to one or more sacral nerves to induce bladder contraction and a high frequency electrical stimulation applied to at least one sacral nerve to cause nerve conduction blockade that prevents urethral sphincter dyssynergic contraction.
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