Method of using dermatomal somatosensory evoked potentials in real-time for surgical and clinical management
First Claim
Patent Images
1. A method of comparing and assessing evoked potentials elicited by a stimulating electrode at a stimulation site on a mammalian subject during a procedure and stored in a data storage system, the method comprising:
- a) eliciting an evoked potential response from a first stimulation site on the subject, receiving and amplifying a stimulation signal, and recording the waveform signal;
b) automatically digitally converting the waveform signal and assigning numeric values for the absolute amplitude and absolute latency of the waveform;
c) replicating the steps a) and b) to obtain a series of replicated digitally assigned waveform data for the given stimulation site; and
d) mathematically conditioning the replicated digitally assigned waveform data, obtaining a validated mean value for the waveform data, then comparing the validated mean value with protocol-specific and subject-specific normal data, wherein the comparison is assessed and the deviations of the waveform data from normal noted.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods, computer systems and apparatus are provided for neurophysiological assessment, specifically evaluation of mixed and dermatomal nerve conduction latencies and amplitudes, as well as electrophysiological evaluation of spontaneous electromyogram. Software guides the user through protocol selection, electrode placement, baseline determinations, comparisons to normal data, post-manipulation comparisons, displayed warning of pathological changes, archiving of data and report generation.
74 Citations
23 Claims
-
1. A method of comparing and assessing evoked potentials elicited by a stimulating electrode at a stimulation site on a mammalian subject during a procedure and stored in a data storage system, the method comprising:
-
a) eliciting an evoked potential response from a first stimulation site on the subject, receiving and amplifying a stimulation signal, and recording the waveform signal;
b) automatically digitally converting the waveform signal and assigning numeric values for the absolute amplitude and absolute latency of the waveform;
c) replicating the steps a) and b) to obtain a series of replicated digitally assigned waveform data for the given stimulation site; and
d) mathematically conditioning the replicated digitally assigned waveform data, obtaining a validated mean value for the waveform data, then comparing the validated mean value with protocol-specific and subject-specific normal data, wherein the comparison is assessed and the deviations of the waveform data from normal noted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. An apparatus for comparing and assessing evoked potentials elicited by a stimulating electrode at a stimulation site on a mammalian subject during a procedure, the apparatus comprising:
-
a) hardware means for eliciting an evoked potential response from a first stimulation site on the subject, receiving and amplifying a stimulation signal, and recording the waveform signal;
b) hardware means for automatically digitally converting the waveform signal and software means for assigning numeric values for the absolute amplitude and absolute latency of the waveform;
c) hardware and software means for replicating the steps a) and b) to obtain a series of replicated digitally assigned waveform data for the given stimulation site; and
d) software means for mathematically conditioning the replicated digitally assigned waveform data, obtaining a validated mean value for the waveform data, then comparing the validated mean value with protocol-specific and subject-specific normal data, wherein the comparison is assessed and the deviations of the waveform data from normal noted. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
-
Specification