公开(公告)号：US12232879B2

公开(公告)日：2025-02-25

申请号：US17390780

申请日：2021-07-30

Applicant: West Affum Holdings DAC

Inventor： Joseph L. Sullivan

IPC: A61B5/361 ,  A61B5/00 ,  A61B5/33

Abstract: Embodiments of a wearable monitoring device system can include one or more dry ECG electrodes and a processor that can be configured with one or more algorithms for detecting atrial fibrillation (AF) from sensed ECG signals sensed by the one or more dry ECG electrodes, and optionally other signals. In some embodiments the algorithms include one or more AF detection algorithms and optionally a noise detection algorithm. In some embodiments the wearable monitoring device or a remote system that receives data from the wearable medical device may calculate and/or characterize AF burden from ECG signals sensed by the one or more dry ECG electrodes.

公开(公告)号：US12186107B2

公开(公告)日：2025-01-07

申请号：US18383020

申请日：2023-10-23

Applicant: WEST AFFUM HOLDINGS DAC

Inventor： Jaeho Kim ,  Joseph L. Sullivan

IPC: A61N1/39 ,  A61B5/00 ,  A61B5/0245 ,  A61B5/30 ,  A61B5/347 ,  A61B5/364

Abstract: In one embodiment, a method to determine reliable electrocardiogram (ECG) signal is described. The method includes receiving at least one ECG signal for a period of time from a patient. The method also includes analyzing the at least one ECG signal to determine a first heart rate using a first method and analyzing the at least one ECG signal to determine a second heart rate using a second method different from the first method. The method includes comparing the first and second heart rates to each other and classifying the at least one ECG signal as reliable when a reliability threshold is satisfied.

公开(公告)号：US20240139531A1

公开(公告)日：2024-05-02

申请号：US18446391

申请日：2023-08-08

Applicant: West Affum Holdings DAC

Inventor： David P. Finch ,  Leo J. Gilbert ,  Joseph L. Sullivan ,  Jaeho Kim ,  John Wei-Hao Huang ,  Brian J. Bennett ,  Kenneth F. Cowan

IPC: A61N1/39

CPC classification number: A61N1/3912 ,  A61N1/3904 ,  A61N1/3937 ,  A61N1/3987

Abstract: Apparatus and methods for generating pulse pacing in a wearable cardioverter defibrillator (“WCD”). In one aspect the WCD circuitry includes a power source such as a battery coupled to a charger that provides charge energy to an energy storage module. Control circuitry is operatively coupled to the charger and the output circuitry, and configured to cause the WCD circuitry to generate pacing pulses delivered to therapy electrodes (attached to an ambulatory patient) without a current source. The WCD circuitry includes one or more processing elements that are used to execute instructions provided by one or more software modules that are configured to support various functionality, including controlling generation of pacing pulses.

公开(公告)号：US20240058613A1

公开(公告)日：2024-02-22

申请号：US18213783

申请日：2023-06-23

Applicant: WEST AFFUM HOLDINGS DAC

Inventor： Joseph L. Sullivan ,  Jaeho Kim ,  David P. Finch

IPC: A61N1/365 ,  A61N1/39 ,  A61B5/33 ,  A61N1/362 ,  A61B5/363 ,  A61B5/00

CPC classification number: A61N1/36585 ,  A61N1/3904 ,  A61N1/3925 ,  A61B5/33 ,  A61N1/3625 ,  A61B5/363 ,  A61B5/6805 ,  A61N1/3993 ,  A61B5/4561 ,  A61B5/7405 ,  A61B5/746

Abstract: A wearable medical system (WMS) includes one or more pacing capabilities. The WMS May detect when the patient's heart rhythm starts to deteriorate, but not necessarily in a way that requires Defibrillation. In particular, the WMS may detect bradycardia of one or more types, and then confirm the detection before pacing to treat the detected bradycardia.

公开(公告)号：US20230405343A1

公开(公告)日：2023-12-21

申请号：US18458432

申请日：2023-08-30

Applicant: West Affum Holdings DAC

Inventor： Joseph L. Sullivan ,  David Peter Finch ,  Phillip Dewey Foshee, JR. ,  Isabelle Banville ,  Richard C. Nova ,  Krystyna Szul ,  Daniel Finney ,  Laura Marie Gustavson ,  Gregory T. Kavounas

IPC: A61N1/372 ,  A61N1/39 ,  A61B5/00 ,  A61B5/11 ,  A61B5/053 ,  A61B5/024

CPC classification number: A61N1/37254 ,  A61N1/3993 ,  A61B5/742 ,  A61B5/11 ,  A61N1/3987 ,  A61N1/3975 ,  A61N1/3968 ,  A61B5/053 ,  A61B5/7405 ,  A61B5/02405 ,  A61N1/3904 ,  A61B5/6801 ,  A61N1/3925 ,  A61B5/4836 ,  A61N1/39044 ,  A61N1/39046 ,  A61B5/74 ,  A61B2560/0242 ,  A61N1/39

Abstract: A wearable cardiac defibrillator (“WCD”) system may include a support structure that a patient can wear, an energy storage module that can store an electrical charge, and a discharge circuit that can discharge the electrical charge through the patient so as to shock him or her, while the patient is wearing the support structure. Embodiments may actively take into account bystanders, both to protect them from an inadvertent shock, and also to enlist their help. In some embodiments the WCD system includes a speaker system that transmits a sound designed to assist a bystander to perform CPR. Optionally CPR chest compressions received by the patient can be further detected, and feedback can be given. In embodiments, a WCD system may include a user interface that can be controlled to output CPR prompts tailored to a skill level of the bystander.

公开(公告)号：US20230271022A1

公开(公告)日：2023-08-31

申请号：US18313585

申请日：2023-05-08

Applicant: West Affum Holdings DAC

Inventor： Joseph L. Sullivan ,  Jaeho Kim

IPC: A61N1/39 ,  A61B5/0205 ,  A61B5/00 ,  A61B5/361 ,  A61B5/363 ,  A61N1/04

CPC classification number: A61N1/3987 ,  A61B5/0205 ,  A61B5/361 ,  A61B5/363 ,  A61B5/4836 ,  A61N1/0484 ,  A61N1/3975 ,  A61B5/1118 ,  A61B5/6805 ,  A61B5/6823

Abstract: A Wearable Cardioverter Defibrillator (WCD) system has a processor that performs two different analyses to an ECG of the patient. A first-level analysis can be computationally economical, while a fuller second-level analysis can give shock/no-shock advice with more certainty. In some of these embodiments the second-level analysis of the ECG is performed only if the first-level analysis of the ECG detects a possible shockable condition. As such, the first-level analysis may operate as a gatekeeping function, often preventing the more computationally intensive second-level analysis from being performed. An advantage can be that the WCD system needs to store less charge, for powering the processor. In turn, this permits portions of the WCD system to be less bulky and weigh less.

公开(公告)号：US20230172515A1

公开(公告)日：2023-06-08

申请号：US18073248

申请日：2022-12-01

Applicant: West Affum Holdings DAC

Inventor： Joseph L. Sullivan

IPC: A61B5/318 ,  A61B5/308 ,  A61N1/39

CPC classification number: A61B5/318 ,  A61B5/308 ,  A61N1/3904

Abstract: An electrocardiogram (ECG) acquisition system comprises a processor configured to process an ECG signal from a patient, a plurality of ECG electrodes configured to be coupled to the patient to obtain the ECG signal from the patient, and an analog-to-digital (A/D) converter configured to acquire the ECG signal from the plurality of ECG electrodes, and to provide the ECG signal to the processor as ECG data representative of the ECG signal. The A/D converter is configured to acquire the ECG signal at a first resolution and the processor is configured to process the ECG data at a second resolution, and the first resolution is higher than the second resolution.

公开(公告)号：US20230023203A1

公开(公告)日：2023-01-26

申请号：US17960436

申请日：2022-10-05

Applicant: West Affum Holdings DAC

Inventor： Joseph L. Sullivan

IPC: A61N1/39 ,  A61B5/0245 ,  A61N1/02 ,  A61N1/04

Abstract: In embodiments, a wearable cardioverter defibrillator (WCD) system includes a support structure for wearing by an ambulatory patient. When worn, the support structure maintains electrodes on the patient's body. Different pairs of these electrodes define different channels, and different patient ECG signals can be sensed from the channels. The ECG signals can be analyzed to determine which one is the best to use, for the WCD system to make a shock/no shock decision. The analysis can be according to widths of the QRS complexes, consistency of the QRS complexes, or heart rate agreement statistics.

公开(公告)号：US20220314011A1

公开(公告)日：2022-10-06

申请号：US17843584

申请日：2022-06-17

Applicant: WEST AFFUM HOLDINGS DAC

Inventor： Joseph L. Sullivan

IPC: A61N1/39 ,  A61N1/04 ,  A61B5/349

Abstract: A heart rate (HR) monitor for use in a medical device configurable to measure a patient's ECG such as, for example, a WCD system. Embodiments can include an ECG sensor and a processor configured with classification criteria to classify a received ECG signal into one of a plurality of ECG rhythm types each with a corresponding algorithm to determine the patient's heart rate. The processor uses the classification criteria to identify the ECG signal's type and determine a heart rate of the patient using the corresponding algorithm. The HR monitor is configurable to avoid overcounting of erroneous measurements of R-R intervals that can result from large T-waves and/or bigeminy by comparing the mean of even R-R intervals with the mean of odd R-R intervals. If the means are significantly different double counting or bigeminy is indicated and the HR calculation is adjusted accordingly.

公开(公告)号：US12237087B2

公开(公告)日：2025-02-25

申请号：US17751285

申请日：2022-05-23

Applicant: WEST AFFUM HOLDINGS DAC

Inventor： Zoie R. Engman ,  David P. Finch ,  Joseph L. Sullivan ,  Erick M. Roane ,  Pamela F. Breske

IPC: G16H50/30 ,  A61N1/372 ,  A61N1/39

Abstract: In one embodiment, a WCD is described. The WCD includes a support structure configured to be worn by a patient and a processor coupled to the support structure. The WCD also includes an energy storage module configured to store an electrical charge and in communication with the processor. The WCD also includes a discharge circuit coupled to the energy storage module, the discharge circuit in communication with the processor and configured to discharge the stored electrical charge through a body of the patient. The processor is configured to detect an event at the WCD, classify the detected event, and determine an alarm onset time of the detected event based at least in part on the event classification. The processor is further configured to issue the alarm after the alarm onset time.