Wearable Defibrillator Network for Faster Bystander Response
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Solution Overview
Problem
Conventional defibrillator systems fail to timely notify individuals capable of assisting a person experiencing a cardiac or pulmonary arrest, leading to delayed defibrillation and increased mortality.
Innovation Solution
A distributed defibrillator system with wearable devices that communicate via a wireless network to identify and notify appropriate individuals, enabling rapid defibrillation by those in proximity to the event.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If conventional defibrillator systems are used, then the system structure is simple, but the response time is delayed and notification to assisting persons is not timely
Solution Approach 1:
The system divides the defibrillation response into separate functional modules: detection module (sensors), communication module (wireless network), notification module (mobile devices), and execution module (portable defibrillator). This segmentation allows each component to operate independently and efficiently, reducing overall response time while maintaining manageable system complexity through modular architecture.
Solution Approach 2:
The patent introduces a wireless communication network as an intermediary between the detection of cardiac arrest and the delivery of defibrillation. Mobile devices act as intermediaries to notify assisting persons, enabling rapid information transmission without requiring direct physical contact or complex wired connections between all system components.
2Loss of time
If wearable defibrillator devices are used to enable rapid response, then the response time is reduced, but the device size and manufacturing complexity increase
Solution Approach 1:
The wearable defibrillator device incorporates multiple functional components in a nested arrangement: sensors are integrated into the wearable housing, which contains the communication module, which in turn connects to the defibrillation delivery system. This nested structure minimizes overall device size while maintaining all necessary functions, making the device more compact and easier to manufacture as a single integrated unit.
Solution Approach 2:
The wearable defibrillator device performs multiple functions within a single unit: it detects cardiac arrest through integrated sensors, communicates the event via wireless network, notifies assisting persons through mobile device integration, and delivers defibrillation shocks. This multi-functionality reduces the need for separate devices and simplifies manufacturing by consolidating functions into one universal device.
3Productivity
If the defibrillator capacitor is charged quickly for rapid reuse, then the productivity increases, but the energy management complexity and potential safety risks increase
Solution Approach 1:
The control circuit incorporates feedback mechanisms that continuously monitor capacitor charge status, battery levels, and system operational state. This feedback enables intelligent charge management: the system automatically initiates fast charging when appropriate, monitors charge progression, and terminates charging at optimal points to prevent overheating or damage. The feedback loop maintains high productivity through rapid charging cycles while managing complexity through automated control algorithms.
Data Source
AI summary
A portable wearable defibrillator device, a distributed defibrillator system, and a computer-implemented method use at least one node that is connected to a wireless network and communicates with sensors, electronic mobile devices, and/or defibrillator devices to determine when a person is having a cardiac or pulmonary event or other event, identify a person who is able to assist the arresting person, and notify the assisting person and/or any other emergency contacts and/or emergency personnel.