Directional programming for implantable electrode arrays
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United States of America Patent
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May 21, 2002
Issued Date -
N/A
app pub date -
Apr 17, 2000
filing date -
Jan 7, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A programming system and method for use with an implantable tissue stimulator allows a clinician or patient to quickly determine a desired electrode stimulation pattern, including which electrodes of a multiplicity of electrodes in an electrode array should receive a stimulation current, including the amplitude, width and pulse repetition rate of such current. Movement of the selected group of electrodes is facilitated through the use of a directional pointing device, such as a joystick. As movement of the selected group of electrodes occurs, current redistribution amongst the various electrode contacts takes place. The redistribution of stimulus amplitudes utilizes re-normalization of amplitudes so that the perceptual level remains fairly constant. This prevents the resulting paresthesia from falling below the perceptual threshold or above the comfort threshold. A software wizard provides a software interface, including the use of easy-to-understand instructional, data-gathering and/or parameter-setting screens, that walks a user step by step through the programming process.
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