Portable CPR Sensor with Mobile Feedback for Layperson Use
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Solution Overview
Problem
Existing resuscitation devices are bulky, impractical for daily carry, and require extensive training, leading to delayed initiation of life-saving measures and inadequate performance by untrained lay rescuers.
Innovation Solution
A compact, portable device with sensors and electrodes, designed for intuitive use by laypersons, that records data, provides real-time feedback, and delivers defibrillation shocks via a connected mobile device, allowing immediate resuscitation support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing resuscitation devices are used, then resuscitation functions are provided, but the devices are bulky and require extensive training
Solution Approach 1:
The patent uses a mobile device (smartphone or tablet) as an intermediary between the simple sensor device and the resuscitation guidance system. The sensor device only needs to detect compression parameters and transmit data, while the mobile device provides the complex feedback, guidance, and training functions through its screen and speaker, allowing the actual resuscitation device to remain simple and easy to use
Solution Approach 2:
The patent replaces complex mechanical feedback systems with electronic sensing and digital feedback. Instead of mechanical guides or physical training aids, the system uses sensors to detect compression depth and rate, then provides real-time electronic feedback through a mobile device, eliminating the need for complex mechanical training mechanisms in the resuscitation device itself
2Productivity
If existing resuscitation devices are used, then resuscitation functions are provided, but setup time is excessive
Solution Approach 1:
The patent implements preliminary action by having the sensor device automatically activate and begin monitoring as soon as it is placed on the patient's chest. The mobile device application automatically launches and begins providing guidance without requiring manual setup, configuration, or training review, allowing resuscitation to start immediately
Solution Approach 2:
The system performs self-service by automatically detecting when the sensor device is placed on the patient, automatically launching the appropriate application, and automatically beginning to provide resuscitation guidance. The device adapts to different patient sizes and conditions automatically without requiring manual adjustment or expert configuration
3Weight of moving object
If existing resuscitation devices are used, then resuscitation functions are provided, but the devices are not suitable for daily carry
Solution Approach 1:
The patent divides the resuscitation system into two segments: a minimal sensor device that can be carried daily (weighing only a few grams) and a mobile device that provides the heavy computational and feedback functions. This segmentation allows the critical sensing function to be portable while maintaining full resuscitation effectiveness through the paired mobile device
Solution Approach 2:
The patent uses the mobile device as a copy of the full resuscitation guidance system, allowing the minimal sensor device to leverage the processing power, display, and speaker of the mobile device. This copying approach enables the lightweight sensor device to provide reliable resuscitation guidance without needing to contain heavy processing or display components
Data Source
Figure 1~2
AI summary
The invention relates to a device for assisting a first aider with a cardiopulmonary resuscitation of a person suffering cardiac arrest, comprising a transport housing (1), in which a sensor apparatus (4) and two adhesive electrodes (2), which are or can be connected to the sensor apparatus (4), can be stowed. The sensor apparatus (4) allows data to be acquired while the first-aid measures for resuscitation are performed. The sensor apparatus (4) comprises an adhesive (5) for attachment to the chest of the patient (3). The chest compressions, i.e. depth of compression and compression frequency, can be detected by means of a motion sensor. An interface for data transfer allows wireless communication with a mobile terminal (6). Furthermore, the sensor apparatus (4) contains a high-voltage store so that, after connection to the adhesive electrodes (2), a single defibrillation shock can be delivered.