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Publication Number
US-9237859-B2
Publication Date
2016-01-19
Expiration Date
Abstract
A system and method for a multi-function remote ambulatory cardiac monitoring system. The system includes a microprocessor for controlling the remote ambulatory cardiac monitoring system and a non-transitory computer readable medium associated with the microprocessor. The non-transitory computer readable medium includes instructions to perform one of the following modes: EKG mode, ECG Holter mode, or MCT/Event mode. The system also includes a controller connected to the microprocessor. The controller initiates or switches the functionality of the remote ambulatory cardiac monitoring system by causing the microprocessor to initiate one of the EKG mode, ECG Holter mode, or MCT/Event mode.
Core Innovation
The invention relates to a battery-powered remote ambulatory cardiac monitoring system that switches among EKG mode, ECG Holter mode, and MCT/Event mode. A microprocessor executes mode-executing instructions stored on a non-transitory computer readable medium, and a controller initiates the selected mode to control the functionality of the remote ambulatory cardiac monitoring system.
Mode switching is associated with electrode cable configuration, where the system detects which electrode cable is connected and causes the microprocessor to initiate one of the EKG mode, ECG Holter mode, and MCT/Event mode. The system includes lead/resistance detection including leadoff and HiZ/impedance determination, and dynamic three-electrode operation using virtual/right-leg drive noise cancellation with channel derivation using Einthoven’s Law.
The system further includes real-time arrhythmia detection algorithms and configurable triggers and alarms, including AFib detection using probability density functions on R-R intervals with phase-space reconstruction. The system supports wireless transmission using a cellular modem with TLS, event-driven wireless reporting, and fallback storage and data download options, and includes automatic switching from ECG Holter mode to MCT/Event mode when ECG Holter mode is negative for at least 24 hours.
Claims Coverage
The partial content identifies three independent claims covering a remote ambulatory cardiac monitoring system and a method for controlling such a monitoring device. Across the independent claims, the main inventive features include multi-mode EKG/ECG Holter/MCT/Event functionality, microprocessor-controlled mode execution via stored instructions, and controller-driven initiation/switching tied to electrode cable connection and mode selection. One independent claim additionally requires automatic switching when ECG Holter mode is negative for at least a 24-hour period.
Mode switching among EKG mode, ECG Holter mode, and MCT/Event mode
A controller connected to the microprocessor causes the microprocessor to initiate one of the EKG mode, ECG Holter mode, and MCT/Event mode to switch the functionality of a remote ambulatory cardiac monitoring system.
Microprocessor instructions for performing EKG mode, ECG Holter mode, and MCT/Event mode
A non-transitory computer readable medium associated with the microprocessor includes instructions to perform EKG mode, ECG Holter mode, and MCT/Event mode.
Electrode sensing with a plurality of electrodes in communication with the controller
A plurality of electrodes each operably connected to an input/output cable for sensing ECG signals, with each electrode in communication with the controller.
Controller-initiated mode selection by connecting an electrode cable and detecting a selected mode
Detecting the selection of one of a plurality of modes including EKG mode, ECG Holter mode, and MCT/Event mode and initiating one of the EKG mode, ECG Holter mode, and MCT/Event mode.
Automatic switching from ECG Holter mode to MCT/Event mode when negative for at least 24 hours
Automatically switching the monitor device from ECG Holter mode to MCT/Event mode when ECG Holter mode is negative for at least a 24-hour period.
Housing-based remote monitoring device with microprocessor and controller stored within the housing
A monitoring device having a housing with a microprocessor stored within the housing and a controller stored within the housing connected to the microprocessor, where the controller switches functionality by causing the microprocessor to initiate one of the at least two separate modes.
At least two separate modes selected from EKG mode, ECG Holter mode, and MCT/Event mode
Instructions stored on the non-transitory computer readable medium to perform at least two separate modes selected from the group consisting of EKG mode, ECG Holter mode, and MCT/Event mode.
The independent claims collectively focus on a remote ambulatory cardiac monitoring system and method where mode functionality among EKG mode, ECG Holter mode, and MCT/Event mode is implemented via microprocessor-executed instructions and controller-driven initiation. The claims also tie functionality switching to electrode cable and mode selection concepts, and include an automatic switching behavior from ECG Holter mode to MCT/Event mode when Holter mode is negative for at least a 24-hour period in the identified dependent claim set.
Stated Advantages
Not explicitly described in patent.
Documented Applications
Not explicitly described in patent.
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