Patents by Inventor Gary A. Freeman
Gary A. Freeman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12751671Abstract: A wearable medical device is provided. The device includes electrodes to receive electrical signals from a patient, monitor for a cardiac arrhythmia, and provide a therapeutic shock to the patient in response to detecting the arrhythmia. The device includes a user interface to receive patient input indicating initiation or termination of a high-noise activity. The device can include accelerometers to generate motion signals. The device includes a processor to monitor for initiation or termination of the high-noise activity based on a noise level in the electrical signals, the motion signals, and the patient input. The processor can cause, in response to the initiation of the high-noise activity, an arrhythmia detection process to execute in an activity-induced noise (AIN) robust mode, and cause, in response to the termination of the high-noise activity, the arrhythmia detection process to execute in an AIN sensitive mode.Type: GrantFiled: March 19, 2021Date of Patent: October 6, 2026Assignee: ZOLL Mecial CorporationInventors: Michael A. Sipe, Steven J. Szymkiewicz, Shane S. Volpe, Gary A. Freeman
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Patent number: 12751894Abstract: Systems and methods for providing resuscitative chest compressions to a chest of a patient are described. One exemplary system may include a chest compressor for administering chest compressions to the patient, one or more sensors for measuring and generating electrocardiogram (ECG) signals of the patient's heart. The system may include at least one processor coupled to memory and configured to receive and analyze the signals corresponding to the ECG, determine an intrinsic heart rate, identify at least one ECG waveform within the ECG signals, select a chest compression protocol from at least three or at least four predetermined chest compression protocols for administration to the patient based at least in part on the intrinsic heart rate of the patient, and control the chest compressor based on the selected chest compression protocol.Type: GrantFiled: July 10, 2020Date of Patent: October 6, 2026Assignee: ZOLL Medical CorporationInventors: Christopher L. Kaufman, Joshua W. Lampe, Gary A. Freeman, Naveed Zaidi, Annemarie E. Silver
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Publication number: 20260273153Abstract: The present disclosure provides systems and methods for controlling gas-enrichment, e.g., oxygen-enrichment, therapy. One or more sensors and/or one or more imaging systems may be used to measure or determine one or more physiological parameters of the patient. Feedback regarding one or more physiological parameters or microvascular resistance may be provided for titrating or controlling the gas-enrichment therapy.Type: ApplicationFiled: May 18, 2026Publication date: September 17, 2026Inventors: Jeffrey Lance Creech, Stephen Elwood Myrick, Richard A. Helkowski, Fred Shen, Ramu Perumal, Gary A. Freeman
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Publication number: 20260278530Abstract: Aspects of the present disclosure are directed toward apparatuses, systems, and methods that include at least one medical device having a device transceiver configured to wirelessly broadcast a device signal including at least unique identifier data and an information system is configured to maintain an active list of medical device inventory associated with a particular emergency response vehicle, and the processor is configured to automatically determine presence of the at least one medical device.Type: ApplicationFiled: February 17, 2026Publication date: September 17, 2026Applicant: ZOLL Medical CorporationInventors: Guy Robert Johnson, Gary A. Freeman, Ulrich Herken
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Publication number: 20260281184Abstract: A computer-implemented method of sharing data between medical devices associated with a patient includes forming a decentralized network by the medical devices. Each medical device includes a network communications driver, at least one device configured to gather patient data from the patient, and a processor configured to generate a network message including device capabilities of a respective medical device. The method further includes publishing the network message to the decentralized network, ranking the device capabilities of first medical devices by a second medical device, selecting a desired source for patient data based on the ranking, publishing a request for the patient data, subscribing to the desired source, in response, publishing the patient data to the decentralized network by the desired source, routing the patient data to the second medical device by the decentralized network, and consuming the patient data from the desired source by the second medical device.Type: ApplicationFiled: March 28, 2024Publication date: September 17, 2026Inventors: Paolo Giacometti, Frederick W. Forester, Peter G. Goutmann, Guy R. Johnson, David M. Betz, Binwei Weng, Gary A. Freeman
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Publication number: 20260262956Abstract: A patient monitoring device configured to monitor cardiac activity and sleep stage information of a patient is provided. The device includes a plurality of electrodes to acquire electrocardiogram (ECG) signals from the patient, at least one motion sensor configured to generate a motion signal based upon movement of the patient, and at least one processor. The processor is configured derive motion parameters from the motion signal, derive ECG parameters from the ECG signals, determine whether the patient is in an immobilized sleep stage or a non-immobilized sleep stage based upon the motion parameters and the ECG parameters, adjust one or more cardiac arrhythmia detection parameters such that the device operates in a first monitoring and treatment mode when the patient is in an immobilized sleep stage, and monitor the patient for the cardiac arrhythmia using the first monitoring and treatment mode.Type: ApplicationFiled: March 5, 2026Publication date: September 10, 2026Applicant: ZOLL Medical CorporationInventors: Gary A. Freeman, Shane S. Volpe
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Patent number: 12731680Abstract: A system for consolidating medical data from multiple devices involved in a patient encounter is provided. The system includes a mobile computing device that acquires, via a medical device interface, identifiers of each medical device, generates association information including the one or more identifiers, and transmits the association information to a server. The server receives and stores one or more medical device case files from the medical devices, receives the association information from the mobile computing device, associates the one or more medical device case files with one another, and produces an integrated data source encounter structure including case data from the one or more medical device case files for subsequent processing.Type: GrantFiled: March 31, 2025Date of Patent: September 8, 2026Assignee: ZOLL Medical CorporationInventors: Elijah A. White, Adam T. Dawson, David A. Jaros, Gary A. Freeman
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Patent number: 12721575Abstract: A patient monitoring device includes an ECG sensor coupled to a patient, a sensor coupled to the patient and configured to detect bio-vibrational signals, and a radiofrequency monitoring device configured to produce information responsive to electromagnetic energy reflected from the patient's thoracic cavity. A processor processes the ECG signals, the bio-vibrational signals, and the radio frequency information to generate a plurality of physiological parameters of the patient. The processor also performs at least one of a predictive analysis and a trend analysis of the plurality of physiological parameters to determine a current clinical condition of the patient. The trend analysis includes determining a substantial relationship between changes in the plurality of physiological parameters.Type: GrantFiled: December 24, 2024Date of Patent: September 1, 2026Assignee: ZOLL Medical CorporationInventors: Kent Volosin, Gary A. Freeman
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Publication number: 20260249093Abstract: An ambulatory non-invasive wearable defibrillator for providing therapeutic shocks to restore cardiac function includes sensing electrode(s), therapy electrodes, high-voltage circuitry connecting first and second pairs of therapy electrodes, a garment, and processing circuitry. The processing circuitry is configured to, responsive to detecting a suspected cardiac arrhythmia condition, output an alert and provide an electrical therapeutic pulse sequence to the patient. The electrical therapeutic pulse sequence includes a first multiphasic therapeutic pulse delivered at a first energy level via a first vector, and a second multiphasic therapeutic pulse delivered at a second energy level via a second vector.Type: ApplicationFiled: June 28, 2023Publication date: August 27, 2026Applicant: ZOLL Medical CorporationInventors: Matthew L. Sundermann, Bahar Davoudi, Steven J. Szymkiewicz, Kent J. Volosin, Gary A. Freeman
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Publication number: 20260241183Abstract: Dual sequential external defibrillation (DSED) and defibrillation with vector change system, devices and methods are described. An example system includes two defibrillators and a defibrillation accessory device. The defibrillators and two pairs of electrodes may connect with the accessory device, and electrical current for defibrillation shocks may pass through the defibrillation accessory device. In DSED and defibrillation with vector change, two defibrillation shocks may be delivered, where the second shock is delivered along a different vector line than the first shock. In some examples, the defibrillation accessory device may be used in alternating patient transthoracic impedance monitoring and measurement, and associated impedance values may be provided to each of the defibrillators for use in connection with determination of one or more parameters associated with defibrillation shocks.Type: ApplicationFiled: March 14, 2024Publication date: August 20, 2026Applicant: ZOLL Medical CorporationInventors: Gideon D.H. Butler, Paolo Giacometti, Timothy F. Stever, Hana Khalil Ritscher, Dan E. Goldman, Joshua W. Lampe, Gary A. Freeman
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Publication number: 20260245682Abstract: A system for documenting emergency medical events related to treatment of a patient is provided. The system includes a medical device configured to obtain physiological information from the patient and generate a first plurality of log entries that mark events that occur during treatment of the patient. The system also includes a mobile device configured to receive input for generating a second plurality of log entries that mark events that occur during treatment, establish a communicative connection with the medical device to access the first plurality of time-stamped log entries, and present, during the treatment of the patient, a single consolidated event log that includes the first plurality of log entries and the second plurality of log entries.Type: ApplicationFiled: December 2, 2025Publication date: August 20, 2026Applicant: ZOLL Medical CorporationInventors: Tracy N. Ashmore, Annemarie E. Silver, Patricia A. Daggett, Gary A. Freeman
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Patent number: 12708274Abstract: A medical device for review of clinical data in a playback mode is described. The medical device includes at least one output device comprising at least one display screen, at least one memory, and at least one processor coupled to the at least one memory and the at least one output device, the at least one processor configured to receive signals indicative of patient data from one or more patient interface devices communicatively coupled to the medical device, control the at least one display screen to provide a first visual representation of the patient data as an operational interface, and selectively display a playback interface at the at least one display screen wherein the playback interface enables user interactive review of the patient data based on a second visual representation of the patient data.Type: GrantFiled: February 5, 2024Date of Patent: August 18, 2026Assignee: ZOLL Medical CorporationInventors: Gary A. Freeman, Annemarie E. Silver, Timothy F. Stever
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Publication number: 20260237474Abstract: In an illustrative embodiment, a patient data charting apparatus for automatically populating electronic patient care record (ePCR) data at an emergency medical scene includes processor(s) configured to obtain image data image capture device(s), the image data including a sequence of images of performance of a medical procedure by at least one emergency medical services (EMS) caregiver, analyze the image data to identify a sequence of steps corresponding to medical procedure(s), where, for each of at least a portion of the steps, analyzing includes recognizing, within the image data, at least one medical equipment item used. The processor(s) may be configured to identify the medical procedure, determine, based at least in part on the medical procedure, value(s) of data field(s), and populate data field(s) of the ePCR with the value(s).Type: ApplicationFiled: March 27, 2024Publication date: August 13, 2026Applicant: ZOLL Medical CorporationInventors: Keenan S. Early, Guy Johnson, Gary A. Freeman, Frederick W. Forester, Peter G. Goutmann
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Publication number: 20260216500Abstract: A two-piece wearable cardiac monitoring device for monitoring a cardiac condition of a patient and optionally providing therapy includes a garment, ECG sensing electrodes, ECG sensor circuitry integrated into the garment, conductive wiring woven into the garment, and at least one separable therapy delivery component. The separable therapy component(s) includes one or more energy storage modules and a therapy control module. The cardiac monitoring device also includes an electrical connector, disposed in the garment and configured to facilitate electrical coupling of the separable therapy delivery component(s), and at least one processor.Type: ApplicationFiled: January 20, 2026Publication date: July 30, 2026Applicant: ZOLL Medical CorporationInventors: Thomas E. Kaib, Shane S. Volpe, Gregory R. Frank, Gary A. Freeman, Mark Jerome Owens
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Patent number: 12694964Abstract: An external defibrillator system is provided. The system includes: a graphical display; one or more sensors for obtaining data regarding chest compressions performed on a patient; and a controller configured to display on the graphical display numeric values for depth and/or rate of the chest compressions based upon the data from the one or more sensors. A method for using an external defibrillator including the steps of: obtaining data regarding chest compressions perforated on a patient; and displaying on a graphical display screen of the defibrillator numeric values for depth and/or rate of the chest compressions based upon the data is also provided.Type: GrantFiled: December 15, 2020Date of Patent: July 28, 2026Assignee: ZOLL Medical CorporationInventors: Qing Tan, Gary A. Freeman, Frederick J. Geheb, Martin E. Bures, Annemarie E. Silver
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Publication number: 20260212975Abstract: An example of a system for review of clinical data includes a medical device configured to receive patient data signals from patient interface devices coupled to the medical device, and an auxiliary device configured to communicatively couple to the medical device via a communication channel and including an output device, a memory, a communication interface, and a processor configured to establish the communication channel, estimate a transmission age for the patient data, receive the patient data from the medical device via the communication channel, determine a patient data age based on at least one of the transmission age and a playback selection age, select a patient data age threshold based on a patient data context, compare the patient data age to the patient data age threshold to determine a patient data age indication, and provide the patient data and the patient data age indication at the output device.Type: ApplicationFiled: December 17, 2025Publication date: July 23, 2026Applicant: ZOLL Medical CorporationInventors: Gary A. Freeman, Timothy F. Stever, C. Shane Reid
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Publication number: 20260199185Abstract: A system for assisting a rescuer in performing cardio-pulmonary resuscitation (CPR) on a patient includes: a proximity sensor configured to be positioned at a location corresponding to a location of a rescuer's hand when delivering compressions to a patient's chest, the proximity sensor configured to produce a signal indicative of the rescuer's hands being released from the patient's chest; a medical device operatively coupled with the proximity sensor and configured to provide resuscitative treatment to the patient; and a controller communicatively coupled with the medical device and the proximity sensor. The controller is configured to: determine, based upon the signal from the proximity sensor, if the rescuer's hands have been released from the patient's chest, and trigger an action by the medical device in response to a determination that the rescuer's hands have been released from the patient's chest.Type: ApplicationFiled: July 14, 2025Publication date: July 16, 2026Inventors: Gary A. Freeman, Jing Pan, Ziad F. Elghazzawi
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Patent number: 12678368Abstract: A system for assisting a user in performing chest compressions includes: at least one input device for providing information representative of a plurality of physical features of a patient; at least one chest compression sensor; a feedback device for providing chest compression feedback for the user; and at least one processor. The at least one processor is configured to: receive and process the information representative of the plurality of physical features of the patient to determine a target chest compression criterion for the patient, receive and process the signals indicative of the chest compressions from the at least one chest compression sensor to calculate at least one chest compression parameter, determine whether the at least one chest compression parameter meets the target chest compression criterion, and cause the feedback device to provide an indication for the user of whether the chest compression parameter meets the target criterion.Type: GrantFiled: June 28, 2019Date of Patent: July 14, 2026Assignee: ZOLL Medical CorporationInventors: Annemarie Silver, Paolo Giacometti, Frederick J. Geheb, Gary A. Freeman
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Publication number: 20260188461Abstract: Systems and methods related to the field of cardiac resuscitation, and in particular to devices for assisting rescuers in performing cardio-pulmonary resuscitation (CPR).Type: ApplicationFiled: July 28, 2025Publication date: July 2, 2026Inventors: Qing Tan, Gary A. Freeman, Frederick J. Geheb, Martin E. Bures, Annemarie Silver
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Publication number: 20260183078Abstract: A spatially sensitive augmented reality system for providing resuscitative feedback in a mixed reality environment to an acute care provider during occurrence of a cardiac event in a patient includes a wearable augmented reality device having at least one three-dimensional sensor, a visual display for viewing by the acute care provider, and at least one processor. The at least one processor is configured to receive and process three-dimensional information of a scene of the cardiac event; produce a three-dimensional representation of a field of view of the acute care provider based on the processed three-dimensional information; identify one or more physical objects associated with the cardiac event in the three-dimensional representation; generate at least one virtual three-dimensional object within the three-dimensional representation; and generate an image of the virtual three-dimensional object within the three-dimensional representation on the visual display.Type: ApplicationFiled: October 1, 2025Publication date: July 2, 2026Inventors: Gary A. Freeman, Guy R. Johnson, Justin R. Carroll, Brett B. Bonner