Ventilator Magnetic Field Detection and Alert System
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Solution Overview
Problem
Ventilators used in clinical settings are susceptible to interactions and damage when operated near magnetic resonance tomographs (MRTs) due to strong magnetic fields, which can disrupt critical components and pose safety risks.
Innovation Solution
A ventilator equipped with a magnetic field identification device that includes sensors to detect magnetic flux densities and strengths in three axes, with adjustable detection intervals and a signal system to alert operators of critical magnetic field zones, ensuring safe operation by distinguishing between noncritical, warning, and critical zones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the ventilator is equipped with magnetic field detection sensors and identification devices, then the safety and reliability of the ventilator in magnetic field environments is improved, but the device complexity and cost increase
Solution Approach 1:
The ventilator performs preliminary detection of magnetic field strength and flux density before operation begins. The identification device assesses the magnetic field environment in advance, and based on this preliminary assessment, the control device either permits operation or triggers an alarm to prevent unsafe operation. This preliminary action ensures safety without requiring complex real-time intervention systems.
Solution Approach 2:
The patent introduces an identification device as an intermediary component that mediates between the magnetic field environment and the ventilator's operation. This intermediary device detects magnetic field parameters and communicates them to the control device, which then makes safety decisions. This modular intermediary approach adds functionality while maintaining manageable system complexity.
2Measurement precision
If the ventilator continuously monitors magnetic field strength, then the detection precision and safety response are improved, but the energy consumption increases
Solution Approach 1:
The identification device performs magnetic field detection periodically at predetermined time intervals rather than continuously. The control device evaluates the magnetic field strength at these periodic intervals and makes safety decisions based on the periodic assessments. This periodic action maintains adequate detection precision while significantly reducing energy consumption compared to continuous monitoring.
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 ventilator effectively identifies and responds to magnetic field strengths, preventing damage by alerting operators and allowing for safe operation, thus ensuring the ventilator's integrity and functionality near MRTs.
Implementation Method 1
the sensor is a magnetic field sensor that is configured and designed to measure the magnetic field in three axes
Data Source
AI summary
A ventilator comprises an identification device that is configured and designed to identify at least one magnetic field M.