Remote ECG Streaming via Wearable Monitor and Cloud Relay
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Solution Overview
Problem
Conventional cardiac monitors do not allow for real-time streaming of cardiac data from a patient's device to a remote computer, limiting the ability to diagnose sporadic cardiac conditions and respond to events in a timely manner.
Innovation Solution
A wearable monitor system comprising a flexible extended wear electrode patch and a removable reusable monitor recorder, along with a continuously-recording subcutaneous insertable cardiac monitor, enables real-time remote streaming of ECG data through a continuous communication connection to a cloud server, ensuring secure and timely data transmission to medical professionals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cardiac monitors use preset interval data download, then data security and device simplicity are maintained, but real-time monitoring capability and diagnostic timeliness are lost
Solution Approach 1:
The system transitions from static preset-interval data download to dynamic real-time streaming. The cardiac monitor continuously transmits ECG data at variable rates depending on patient status, enabling real-time physician access while maintaining security through encrypted connections. This dynamic approach resolves the contradiction by allowing both timely diagnostics and data security.
Solution Approach 2:
The patent implements continuous data streaming from the cardiac monitor to the physician's device, eliminating the intermittent nature of preset downloads. The continuous connection ensures that cardiac data is constantly available for immediate diagnosis while security is maintained through established encryption protocols, thus resolving the time loss issue without compromising security.
2Device complexity
If cardiac data is collected at predetermined intervals, then device complexity and power consumption are reduced, but clinical utility and event detection capability deteriorate
Solution Approach 1:
The system uses periodic status checks and event-triggered transmissions rather than simple time-based sampling. When cardiac events are detected or status changes occur, the monitor immediately transmits data, ensuring high detection accuracy. This periodic/event-driven approach maintains reasonable device complexity while dramatically improving clinical utility.
Solution Approach 2:
The system implements feedback mechanisms where the monitor continuously assesses cardiac status and adjusts transmission accordingly. When abnormalities are detected, the system increases data transmission frequency, ensuring reliable event detection. This feedback loop resolves the contradiction by making the system smart enough to balance complexity with detection accuracy.
3Device complexity
If wand-based data download is used, then device simplicity and power consumption are minimized, but real-time remote access and continuous monitoring are impossible
Solution Approach 1:
The patent introduces a wireless communication intermediary that bridges the cardiac monitor and physician's device. This intermediary enables real-time remote data access without significantly increasing the complexity of the implantable monitor itself. The wireless interface handles the complexity of continuous connection management, keeping the implanted device simple while enabling ease of remote access.
4Loss of time
If continuous real-time streaming is implemented, then diagnostic timeliness and patient care quality improve, but data transmission complexity and power consumption increase
Solution Approach 1:
The system implements periodic status assessment with event-triggered continuous streaming. During normal sinus rhythm, data transmission occurs at lower intervals, conserving power. When cardiac events or abnormalities are detected, the system transitions to continuous real-time streaming, ensuring timely diagnosis only when clinically necessary. This resolves the power consumption issue while maintaining diagnostic timeliness.
Solution Approach 2:
The system dynamically changes transmission parameters based on cardiac status. During stable periods, data rate and transmission frequency are reduced to conserve battery power. Upon detecting arrhythmias or other events, the system increases transmission rate to real-time levels, ensuring rapid physician notification. This parameter adaptation resolves the contradiction between power consumption and response time.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates long-term, real-time monitoring and secure data transmission of cardiac activity, allowing for immediate physician intervention during cardiac events and providing a comprehensive view of cardiac health over extended periods.
Implementation Method 1
ECG data collected via one or more electrodes on the physiological monitor (322) is encrypted by a near-field communication chip on the physiological monitor (322)
Data Source
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AI summary
A system (320) and method for remote ECG data streaming in real-time is provided. ECG data is encrypted on a physiological monitor (322) placed on a patient (321) via a near-field communication chip on the physiological monitor (322). A continuous connection is established between the physiological monitor (322) and a cloud-based server (326) via a wireless transceiver on the physiological monitor (322). The encrypted ECG data is transmitted from the physiological monitor (322) to the cloud-based server (326). The ECG data is then transmitted from the cloud-based server (326) to a device (327) associated with a medical professional in real-time.