Capnograph with RFID Inductive Coupling for Continuous Monitoring
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Solution Overview
Problem
Current capnography devices are limited by their large size, low mobility, and inability to provide continuous, reliable monitoring of carbon dioxide levels, especially outside hospital settings, with a lack of remote data processing capabilities and predictive modeling for patient respiratory health.
Innovation Solution
A miniature capnograph system integrated with a gas transport line, utilizing an infrared sensor, microcomputer, RFID tag, and wireless communication (Bluetooth, Wi-Fi, cellular) for continuous data transfer and alert notifications, enabling real-time monitoring and predictive modeling through a data center with mirrored algorithms for data integrity and scalability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional capnography devices are used with cable connections and large monitoring record devices, then data reliability is maintained, but device mobility and patient mobility are severely limited
Solution Approach 1:
The system divides the monitoring function into two independent parts: a compact wearable capnograph that collects and stores data locally, and a separate monitoring record device that processes and displays data. This segmentation allows the capnograph to be mobile while maintaining data reliability through local storage capabilities.
Solution Approach 2:
The capnograph creates digital copies of respiratory data and stores them in its internal memory, eliminating the need for continuous cable connections to a large monitoring device. This copying mechanism ensures data reliability is maintained even when the device is mobile and disconnected from external systems.
2Ease of operation
If capnography devices are made compact and wireless for improved mobility, then patient mobility is enhanced, but data transfer reliability and continuous monitoring capabilities are compromised
Solution Approach 1:
The capnograph performs preliminary data collection and storage actions locally before any data transfer occurs. The device continuously monitors and stores respiratory data in its internal memory, ensuring data is captured and preserved even when wireless communication is unavailable, thus maintaining data transfer reliability.
Solution Approach 2:
The compact capnograph is self-sufficient with built-in data storage capabilities, allowing it to independently collect, store, and manage respiratory data without requiring continuous connection to external systems. This self-service capability ensures data reliability while maintaining patient mobility.
3Reliability
If multiple communication pathways are implemented for data transfer, then data transfer reliability is improved, but device complexity increases
Solution Approach 1:
The capnograph incorporates multiple communication interfaces (wireless and cable connections) within a single device, allowing it to adaptively choose the most appropriate data transfer method based on availability and requirements. This multi-functionality approach improves data transfer reliability without significantly increasing overall device complexity.
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
The system provides continuous, reliable, and mobile monitoring of carbon dioxide levels, enabling immediate notifications and predictive modeling for patient respiratory health, improving data integrity and scalability for multiple patients, and allowing remote data processing and analysis.
Implementation Method 1
Infrared sensors have been typically utilized for such a purpose, particular since carbon dioxide absorbs infrared light particularly well. Thus, typically, capnographs measure infrared absorption within a patient's exhalation profile to determine the rate of carbon dioxide generation and/or expulsion
Implementation Method 2
Such a component is provided with at least one RFID tag in order to charge device and transfer data via inductive coupling
Data Source
AI summary
A capnography device including a suitable sensor to measure carbon dioxide concentration for a target patient/user is provided. Such a device utilizes at least one microprocessor (MCU) to govern overall activation and communication between the capnograph and ultimately a data center. Such a component is provided with at least one RFID tag in order to charge device and transfer data via inductive coupling and to use as device ID for data routing purposes. The MCU may thus provide pre-programmed information to determine alert levels for a target patient/user, with the utilization, additionally of a data recordation device to capture all sensor results for such a target patient/user as well. If an alert occurs, the MCU transfers of all subsequent information from the sensors to the data center. Thus, the inventive device and system provides a real-time, reliable, wireless surveillance and notification platform that has been lacking in the industry.