Methods and systems for selectively inhibiting neural transmission of somatic fibers
First Claim
1. A method of selectively inhibiting neural transmission of a somatic fiber in a mixed nerve containing both somatic and autonomic nerve fibers where the method comprises applying alternate phase high frequency, low amplitude pulse pairs to the nerve in an amount sufficient to inhibit neural transmission of somatic fibers without substantially inhibiting autonomic fibers in said mixed nerve.
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Abstract
A method and system for selective inhibition of somatic nerve fibers in a mixed nerve containing both somatic and autonomic nerve fibers where the method finds use in treatment of chronic pain, spastic muscles and for sensory and motor control of a bladder. The methods and systems utilize alternate phase rectangular electrical pulses. An electrical pulse generator is coupled to a nerve. An alternate phase high frequency, low amplitude pulse is first applied to selectively inhibit somatic nerves when present in a mixed nerve. An alternate phase low frequency, high amplitude phase pulse subsequently supplied to stimulate the autonomic nerve fibers and in the case of the sacral root will permit a controlled voiding of the bladder and bowel.
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Citations
8 Claims
- 1. A method of selectively inhibiting neural transmission of a somatic fiber in a mixed nerve containing both somatic and autonomic nerve fibers where the method comprises applying alternate phase high frequency, low amplitude pulse pairs to the nerve in an amount sufficient to inhibit neural transmission of somatic fibers without substantially inhibiting autonomic fibers in said mixed nerve.
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3. A method of inhibiting neural transmission in nerves by contacting the nerves with an electrode connected to an electrical pulse generator and applying electrical impulses having the following characteristics:
- alternate phase and a frequency in a range of 60 pulse pairs per second at an amplitude sufficient to inhibit neural transmission.
- View Dependent Claims (4, 5, 6)
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7. A method of selectively inhibiting neural transmission of somatic nerve fibers while selectively stimulating neural transmission of autonomic nerve fibers in a mixed nerve containing both somatic and autonomic nerve fibers, the method comprising:
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applying alternate phase high frequency, low amplitude pulse pairs to inhibit neural transmission of somatic nerve fibers without substantially inhibiting neural transmission of autonomic nerve fibers; and applying alternate phase low frequency, high amplitude pulse pairs to the nerve in an amount sufficient to stimulate neural transmission of autonomic nerve fibers.
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8. A method of controlling a bladder or a bowel, the method comprising:
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(i) applying alternate phase high frequency, low amplitude pulse pairs to inhibit neural transmission of somatic nerve fibers without substantially inhibiting neural transmission of autonomic nerve fibers; and (ii) applying alternate phase low frequency, high amplitude pulse pairs to the nerve in an amount sufficient to stimulate neural transmission of autonomic nerve fibers.
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Specification