Patents Assigned to SAFEOP
  • Patent number: 12048567
    Abstract: 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: Grant
    Filed: December 13, 2021
    Date of Patent: July 30, 2024
    Assignee: SafeOp Surgical, Inc.
    Inventors: Gregg Johns, Richard O'Brien, Robert Snow
  • Patent number: 11986321
    Abstract: 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: Grant
    Filed: September 20, 2017
    Date of Patent: May 21, 2024
    Assignee: Safeop Surgical, Inc.
    Inventors: Cameron Snow, Richard O'Brien, Gregg Johns
  • Patent number: 11963784
    Abstract: 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: Grant
    Filed: May 5, 2020
    Date of Patent: April 23, 2024
    Assignee: SAFEOP SURGICAL, INC.
    Inventors: Cameron Mahon, Curt H. Labelle
  • Patent number: 11963775
    Abstract: 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: Grant
    Filed: March 21, 2018
    Date of Patent: April 23, 2024
    Assignee: SAFEOP SURGICAL, INC.
    Inventors: Gregg Johns, Richard Arthur O'Brien, Robert Snow
  • Patent number: 11684533
    Abstract: 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: Grant
    Filed: August 19, 2019
    Date of Patent: June 27, 2023
    Assignee: SafeOp Surgical, Inc.
    Inventors: Dan Stashuk, Richard A. O'Brien
  • Patent number: 11648401
    Abstract: 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: Grant
    Filed: November 13, 2017
    Date of Patent: May 16, 2023
    Assignee: SafeOp Surgical, Inc.
    Inventors: Richard O'Brien, Robert Snow
  • Patent number: 11510603
    Abstract: 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: Grant
    Filed: December 18, 2020
    Date of Patent: November 29, 2022
    Assignee: SafeOp Surgical, Inc.
    Inventors: Robert Snow, Richard O'Brien
  • Patent number: 11406303
    Abstract: 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: Grant
    Filed: August 8, 2019
    Date of Patent: August 9, 2022
    Assignee: SafeOp Surgical, Inc.
    Inventors: Cameron Mahon, Curt Labelle
  • Patent number: 11197640
    Abstract: 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: Grant
    Filed: May 3, 2016
    Date of Patent: December 14, 2021
    Assignee: SafeOp Surgical, Inc.
    Inventors: Gregg Johns, Richard O'Brien, Robert Snow
  • Patent number: 11083387
    Abstract: 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: Grant
    Filed: November 6, 2014
    Date of Patent: August 10, 2021
    Assignee: SafeOp Surgical, Inc.
    Inventors: Cameron Mahon, Curt H. Labelle
  • Patent number: 10869609
    Abstract: 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: Grant
    Filed: November 25, 2015
    Date of Patent: December 22, 2020
    Assignee: SafeOp Surgical, Inc.
    Inventors: Robert Snow, Richard O'Brien
  • Patent number: 10391012
    Abstract: 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: Grant
    Filed: May 1, 2013
    Date of Patent: August 27, 2019
    Assignee: SafeOp Surgical Inc.
    Inventors: Dan Stashuk, Richard A. O'Brien
  • Patent number: 10376167
    Abstract: 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: Grant
    Filed: September 30, 2014
    Date of Patent: August 13, 2019
    Assignee: SafeOp Surgical, Inc.
    Inventors: Cameron Mahon, Curt Labelle
  • Patent number: 10342443
    Abstract: 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: Grant
    Filed: December 14, 2015
    Date of Patent: July 9, 2019
    Assignee: SafeOp Surgical, Inc.
    Inventors: Samuel Johnson, Richard A O'Brien
  • Publication number: 20180333569
    Abstract: 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: Application
    Filed: November 25, 2015
    Publication date: November 22, 2018
    Applicant: SafeOp Surgical, Inc.
    Inventors: Robert Snow, Richard O'Brien
  • Publication number: 20180078220
    Abstract: 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: Application
    Filed: May 3, 2016
    Publication date: March 22, 2018
    Applicant: SafeOp Surgical, Inc.
    Inventors: Gregg Johns, Richard O'Brien, Robert Snow
  • Publication number: 20180078210
    Abstract: 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: Application
    Filed: September 20, 2017
    Publication date: March 22, 2018
    Applicant: SafeOp Surgical, Inc.
    Inventors: Cameron SNOW, Richard O'BRIEN, Gregg JOHNS
  • Publication number: 20160270679
    Abstract: 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: Application
    Filed: November 6, 2014
    Publication date: September 22, 2016
    Applicant: SafeOp Surgical, Inc.
    Inventors: Cameron Mahon, Curt H. Labelle
  • Publication number: 20160228018
    Abstract: 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: Application
    Filed: September 30, 2014
    Publication date: August 11, 2016
    Applicant: SafeOp Surgical
    Inventors: Cameron Mahon, Curt Labelle
  • Publication number: 20160095525
    Abstract: 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: Application
    Filed: December 14, 2015
    Publication date: April 7, 2016
    Applicant: SafeOp Surgical, Inc.
    Inventors: Samuel Johnson, Richard A O'Brien