Automated Medical Electrode Testing via Capacitance Impedance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing manual testing devices for medical electrodes are error-prone and complex, lacking automation and effective safety measures for ensuring correct operation and measurement stability.
Innovation Solution
A partially automated testing device that uses capacitance measurements with multiple electrodes to assess medical electrodes and their connecting cables without direct electrical contact, employing a signal generating device and evaluation unit to determine test results from impedance curves, ensuring safety and accuracy through separate capacitance measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual testing with visual inspection and multimeter is used, then device complexity is reduced, but reliability and measurement precision deteriorate due to human error
Solution Approach 1:
The patent replaces manual mechanical testing operations with an automated capacitive measurement system. The testing device automatically measures capacitance values between measuring electrodes and medical electrodes, eliminating the need for manual visual inspection and multimeter readings. This substitution of manual mechanical operations with automated electrical measurement resolves the contradiction by improving reliability through automation while managing complexity through standardized measurement protocols
Solution Approach 2:
The patent uses capacitance measurement as an indirect copy or proxy for direct electrical contact testing. Instead of directly measuring electrical connection parameters that require complex probe setups, the system measures capacitance values that correlate with connection quality. This indirect measurement approach improves reliability by using a more stable and automated measurement method while avoiding the complexity of direct electrical contact testing
2Productivity
If fully automated testing is implemented, then productivity is improved, but device complexity increases due to multiple measuring electrodes and signal generation components
Solution Approach 1:
The patent employs multiple measuring electrodes that can be used in different configurations to test various aspects of medical electrodes. The same measuring electrodes serve multiple functions: testing different electrical connections, verifying electrode integrity, and checking cable connections. This multi-functionality approach enables full automation of multiple test types without proportionally increasing device complexity, as the same hardware components perform multiple testing tasks
Solution Approach 2:
The patent combines the signal generating device, multiple measuring electrodes, and evaluation device into an integrated automated testing system. Rather than using separate manual tools for each measurement, the system merges multiple testing functions into a single coordinated apparatus. This consolidation enables automated operation while managing overall system complexity through integration of previously separate components
3Reliability
If separate capacitance measurements are used for safety, then reliability is improved, but measurement time increases
Solution Approach 1:
The patent performs multiple capacitance measurements in a continuous automated sequence without manual intervention between tests. The evaluation device automatically processes results from multiple measuring electrodes and determines overall test outcomes without pausing for manual analysis. This continuous automated measurement approach maintains high reliability through multiple safety checks while minimizing time loss by eliminating manual processing intervals between measurements
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 solution enables fully automated testing of medical electrodes and their connecting cables, preventing faulty or incorrectly polarized devices from being used on patients by segregating defective electrodes before application, thus enhancing safety and efficiency.
Implementation Method 1
the at least one measuring electrode and the at least one medical electrode to be checked form a capacitance
Implementation Method 2
determine a test result in relation to the capacitance from a measured impedance curve of an impedance caused in response to an alternating voltage
Data Source
AI summary
The invention relates to a testing device for checking at least one first medical electrode (1), wherein the testing device comprises at least one first measuring electrode (2), which can be arranged relative to the first medical electrode (1) to be checked in such a way that the at least one first measuring electrode (2) and the first medical electrode (1) to be checked form a first capacitance (C11); a signal generating device (3), by way of which an alternating current voltage can be generated, by means of which the first capacitance (Cn) can be acted upon; an evaluation device (4), which is designed to determine at least one first test result (P11) in relation to the first capacitance (C11) from a measured impedance curve (I) of an impedance caused in response to the first capacitance (C11).