Patents Assigned to SAFEOP
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Patent number: 12048567Abstract: An automated evoked potential analysis apparatus for improved monitoring, detecting and identifying changes to a patient's physiological system is described. The apparatus includes an input device for obtaining electrical potential data from the patient's physiological system after application of stimulation to a patient's nerve and a computing system for receiving and analyzing the electrical potential data. The computing system includes a processing circuit configured to: generate a plurality of evoked potential waveforms (EPs) based on the electrical potential data, measure changes or trends in the generated EPs utilizing a sliding window of analysis, display incremental changes in waveforms between full subsets of EPs, and determine an alert vote for each subset, representative of changes to the physiological system generating the EPs.Type: GrantFiled: December 13, 2021Date of Patent: July 30, 2024Assignee: SafeOp Surgical, Inc.Inventors: Gregg Johns, Richard O'Brien, Robert Snow
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Patent number: 11986321Abstract: An automated electrophysiological response analysis apparatus for identifying and eliminating signals having non-physiological artifact noise from an averaged evoked potential signal, wherein the apparatus is adapted to identify in an electrophysiological response at least one characteristic representative of non-physiological artifact noise to classify the signal as an artifact signal and remove the artifact signal from a collection of signals used to generate the averaged evoked potential signal.Type: GrantFiled: September 20, 2017Date of Patent: May 21, 2024Assignee: Safeop Surgical, Inc.Inventors: Cameron Snow, Richard O'Brien, Gregg Johns
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Patent number: 11963784Abstract: The present technology relates generally to the field of electrophysiology and specifically to automated devices, components, systems, and related methods for monitoring potential injury to the nervous system using evoked potentials during intraoperative neurophysiologic monitoring.Type: GrantFiled: May 5, 2020Date of Patent: April 23, 2024Assignee: SAFEOP SURGICAL, INC.Inventors: Cameron Mahon, Curt H. Labelle
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Patent number: 11963775Abstract: A medical method of automatically improving signals received from a patient's physiological system can include delivering stimulation signals to a nerve pathway of a patient with electrical pulses via electrodes placed over the nerve pathway to generate a plurality of resultant electrical waveforms (EPs) based on a plurality of electrophysiological responses (ERs); recording the plurality of resultant EPs; generating an ensemble average waveform (EA), the generating comprising averaging a subset of the plurality of ERs; and denoising the EA, the denoising comprising applying a wavelet transform to the EA.Type: GrantFiled: March 21, 2018Date of Patent: April 23, 2024Assignee: SAFEOP SURGICAL, INC.Inventors: Gregg Johns, Richard Arthur O'Brien, Robert Snow
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Patent number: 11684533Abstract: An automated EP analysis apparatus for monitoring, detecting and identifying changes (adverse or recovering) to a physiological system generating the analyzed EPs, wherein the apparatus is adapted to characterize and classify EPs and create alerts of changes (adverse or recovering) to the physiological systems generating the EPs if the acquired EP waveforms change significantly in latency, amplitude or morphology.Type: GrantFiled: August 19, 2019Date of Patent: June 27, 2023Assignee: SafeOp Surgical, Inc.Inventors: Dan Stashuk, Richard A. O'Brien
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Patent number: 11648401Abstract: A method of optimally placing spinal cord stimulator (SCS) leads includes acquiring components of somatosensory evoked potentials (SSEPs), compound action potentials and triggered EMG; analyzing the waveforms; and quantifying waveform features in a single display such that a surgeon can quickly and easily determine optimal placement (as it relates to laterality and level of placement on the spinal cord) of SCS leads in a patient under general anesthesia without additional expert help.Type: GrantFiled: November 13, 2017Date of Patent: May 16, 2023Assignee: SafeOp Surgical, Inc.Inventors: Richard O'Brien, Robert Snow
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Patent number: 11510603Abstract: Devices and methods for stimulation and recording of muscle responses for determining degree of neuromuscular blockade, particularly relevant to elicitation of such responses in those under the influence of anesthesia. A system for estimating the degree of neuromuscular blockade includes at least one stimulating electrode, at least one recording electrode, a pulse generator for providing stimulation to a nerve through the stimulating electrode, and a computing device configured to: apply stimuli to the nerve according to a stimulation protocol, wherein the stimulation protocol provides a plurality of stimulation sequences that vary in frequency of pulses in the stimulation sequence, frequency of the stimulation sequences, number of pulses in the stimulation sequence, or all of the above; measure, by the recording electrode, electrical responses of a muscle; and estimate the degree of neuromuscular blockade based on changes in the electrical responses of the muscle during a stimulation sequence.Type: GrantFiled: December 18, 2020Date of Patent: November 29, 2022Assignee: SafeOp Surgical, Inc.Inventors: Robert Snow, Richard O'Brien
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Patent number: 11406303Abstract: A system for recording, processing, and monitoring biosignals is provided, the system being configured to suspend data acquisition whenever an electric surgical tool or other generator of high frequency interference is in use. Such a system may protect the hardware of the system and reduce or eliminate the acquisition of distorted signals. The system of some embodiments includes an amplifier system configured to detect the presence of high frequency interference. Related methods are also disclosed.Type: GrantFiled: August 8, 2019Date of Patent: August 9, 2022Assignee: SafeOp Surgical, Inc.Inventors: Cameron Mahon, Curt Labelle
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Patent number: 11197640Abstract: An automated evoked potential analysis apparatus for improved monitoring, detecting and identifying changes to a patient's physiological system is described. The apparatus includes an input device for obtaining electrical potential data from the patient's physiological system after application of stimulation to a patient's nerve and a computing system for receiving and analyzing the electrical potential data. The computing system includes a processing circuit configured to: generate a plurality of evoked potential waveforms (EPs) based on the electrical potential data, measure changes or trends in the generated EPs utilizing a sliding window of analysis, display incremental changes in waveforms between full subsets of EPs, and determine an alert vote for each subset, representative of changes to the physiological system generating the EPs.Type: GrantFiled: May 3, 2016Date of Patent: December 14, 2021Assignee: SafeOp Surgical, Inc.Inventors: Gregg Johns, Richard O'Brien, Robert Snow
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Patent number: 11083387Abstract: The present technology relates generally to the field of electrophysiology and specifically to automated devices, components, systems, and related methods for monitoring potential injury to the nervous system using evoked potentials during intraoperative neurophysiologic monitoring.Type: GrantFiled: November 6, 2014Date of Patent: August 10, 2021Assignee: SafeOp Surgical, Inc.Inventors: Cameron Mahon, Curt H. Labelle
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Patent number: 10869609Abstract: Devices and methods for stimulation and recording of muscle responses for determining degree of neuromuscular blockade, particularly relevant to elicitation of such responses in those under the influence of anesthesia. A system for estimating the degree of neuromuscular blockade includes at least one stimulating electrode, at least one recording electrode, a pulse generator for providing stimulation to a nerve through the stimulating electrode, and a computing device configured to: apply stimuli to the nerve according to a stimulation protocol, wherein the stimulation protocol provides a plurality of stimulation sequences that vary in frequency of pulses in the stimulation sequence, frequency of the stimulation sequences, number of pulses in the stimulation sequence, or all of the above; measure, by the recording electrode, electrical responses of a muscle; and estimate the degree of neuromuscular blockade based on changes in the electrical responses of the muscle during a stimulation sequence.Type: GrantFiled: November 25, 2015Date of Patent: December 22, 2020Assignee: SafeOp Surgical, Inc.Inventors: Robert Snow, Richard O'Brien
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Patent number: 10391012Abstract: An automated EP analysis apparatus for monitoring, detecting and identifying changes (adverse or recovering) to a physiological system generating the analyzed EPs, wherein the apparatus is adapted to characterize and classify EPs and create alerts of changes (adverse or recovering) to the physiological systems generating the EPs if the acquired EP waveforms change significantly in latency, amplitude or morphology.Type: GrantFiled: May 1, 2013Date of Patent: August 27, 2019Assignee: SafeOp Surgical Inc.Inventors: Dan Stashuk, Richard A. O'Brien
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Patent number: 10376167Abstract: A system for recording, processing, and monitoring biosignals is provided, the system being configured to suspend data acquisition whenever an electric surgical tool or other generator of high frequency interference is in use. Such a system may protect the hardware of the system and reduce or eliminate the acquisition of distorted signals. The system of some embodiments includes an amplifier system configured to detect the presence of high frequency interference. Related methods are also disclosed.Type: GrantFiled: September 30, 2014Date of Patent: August 13, 2019Assignee: SafeOp Surgical, Inc.Inventors: Cameron Mahon, Curt Labelle
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Patent number: 10342443Abstract: An automated system, method, apparatus, device and/or computer program product for detecting positioning effect is set forth, the apparatus according to an exemplary embodiment may include an output operable to couple to one or more stimulating electrodes to stimulate one or more peripheral nerves of the patient, an input operable to couple to one or more recording electrodes to record resultant electrical waveforms generated by a nervous system of a patient in response to the stimulating module, and one or more processors operable to identify the positioning effect based on the resultant electrical waveforms.Type: GrantFiled: December 14, 2015Date of Patent: July 9, 2019Assignee: SafeOp Surgical, Inc.Inventors: Samuel Johnson, Richard A O'Brien
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Publication number: 20180333569Abstract: Devices and methods for stimulation and recording of muscle responses for determining degree of neuromuscular blockade, particularly relevant to elicitation of such responses in those under the influence of anesthesia. A system for estimating the degree of neuromuscular blockade includes at least one stimulating electrode, at least one recording electrode, a pulse generator for providing stimulation to a nerve through the stimulating electrode, and a computing device configured to: apply stimuli to the nerve according to a stimulation protocol, wherein the stimulation protocol provides a plurality of stimulation sequences that vary in frequency of pulses in the stimulation sequence, frequency of the stimulation sequences, number of pulses in the stimulation sequence, or all of the above; measure, by the recording electrode, electrical responses of a muscle; and estimate the degree of neuromuscular blockade based on changes in the electrical responses of the muscle during a stimulation sequence.Type: ApplicationFiled: November 25, 2015Publication date: November 22, 2018Applicant: SafeOp Surgical, Inc.Inventors: Robert Snow, Richard O'Brien
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Publication number: 20180078220Abstract: An automated evoked potential analysis apparatus for improved monitoring, detecting and identifying changes to a patient's physiological system is described. The apparatus includes an input device for obtaining electrical potential data from the patient's physiological system after application of stimulation to a patient's nerve and a computing system for receiving and analyzing the electrical potential data. The computing system includes a processing circuit configured to: generate a plurality of evoked potential waveforms (EPs) based on the electrical potential data, measure changes or trends in the generated EPs utilizing a sliding window of analysis, display incremental changes in waveforms between full subsets of EPs, and determine an alert vote for each subset, representative of changes to the physiological system generating the EPs.Type: ApplicationFiled: May 3, 2016Publication date: March 22, 2018Applicant: SafeOp Surgical, Inc.Inventors: Gregg Johns, Richard O'Brien, Robert Snow
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Publication number: 20180078210Abstract: An automated electrophysiological response analysis apparatus for identifying and eliminating signals having non-physiological artifact noise from an averaged evoked potential signal, wherein the apparatus is adapted to identify in an electrophysiological response at least one characteristic representative of non-physiological artifact noise to classify the signal as an artifact signal and remove the artifact signal from a collection of signals used to generate the averaged evoked potential signal.Type: ApplicationFiled: September 20, 2017Publication date: March 22, 2018Applicant: SafeOp Surgical, Inc.Inventors: Cameron SNOW, Richard O'BRIEN, Gregg JOHNS
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Publication number: 20160270679Abstract: The present technology relates generally to the field of electrophysiology and specifically to automated devices, components, systems, and related methods for monitoring potential injury to the nervous system using evoked potentials during intraoperative neurophysiologic monitoring.Type: ApplicationFiled: November 6, 2014Publication date: September 22, 2016Applicant: SafeOp Surgical, Inc.Inventors: Cameron Mahon, Curt H. Labelle
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Publication number: 20160228018Abstract: A system for recording, processing, and monitoring biosignals is provided, the system being configured to suspend data acquisition whenever an electric surgical tool or other generator of high frequency interference is in use. Such a system may protect the hardware of the system and reduce or eliminate the acquisition of distorted signals. The system of some embodiments includes an amplifier system configured to detect the presence of high frequency interference. Related methods are also disclosed.Type: ApplicationFiled: September 30, 2014Publication date: August 11, 2016Applicant: SafeOp SurgicalInventors: Cameron Mahon, Curt Labelle
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Publication number: 20160095525Abstract: An automated system, method, apparatus, device and/or computer program product for detecting positioning effect is set forth, the apparatus according to an exemplary embodiment may include an output operable to couple to one or more stimulating electrodes to stimulate one or more peripheral nerves of the patient, an input operable to couple to one or more recording electrodes to record resultant electrical waveforms generated by a nervous system of a patient in response to the stimulating module, and one or more processors operable to identify the positioning effect based on the resultant electrical waveforms.Type: ApplicationFiled: December 14, 2015Publication date: April 7, 2016Applicant: SafeOp Surgical, Inc.Inventors: Samuel Johnson, Richard A O'Brien