Electrosurgical Instrument Transformer Voltage Adaptation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electrosurgical instruments require frequent adjustments of voltage settings on generators for different tissue types, leading to inconvenience, potential errors, and confusion, especially when switching between instruments with varying voltage requirements.
Innovation Solution
A handheld electrosurgical instrument equipped with a transformer that adjusts voltage levels by stepping up or down the electrical signal from a common electrosurgical generator, allowing surgeons to operate at desired voltage levels without changing the generator settings, thereby enabling versatile use with different instruments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a common electrosurgical generator is used with multiple instruments requiring different voltage levels, then device complexity is reduced and cost is saved, but the ease of operation deteriorates due to frequent setting adjustments and potential confusion
Solution Approach 1:
A transformer is introduced as an intermediary device between the common electrosurgical generator and the electrosurgical instrument. This transformer automatically adapts the voltage signal from the generator to the specific voltage requirements of different instruments without requiring manual adjustment of generator settings, thus maintaining simplicity while improving ease of operation
Solution Approach 2:
The voltage adaptation is performed in advance by the transformer before the electrical signal reaches the electrosurgical instrument. The transformer is pre-configured with winding ratios that correspond to different instrument requirements, automatically providing the correct voltage level without requiring the surgeon to adjust settings during operation
2Reliability
If voltage settings on the generator are adjusted for different tissue types, then the electrosurgical effectiveness is improved, but the risk of errors and confusion increases
Solution Approach 1:
The transformer acts as a buffer between the generator and the instrument, handling voltage adaptation automatically. This eliminates the need for the surgeon to manually adjust voltage settings on the generator, thereby removing the source of human error while maintaining the effectiveness of the electrosurgical procedure
Solution Approach 2:
The system incorporates feedback mechanisms where the transformer receives control signals based on the connected instrument type and automatically adjusts its transformation ratio. This ensures the correct voltage is always applied for the specific tissue type and instrument combination, maintaining reliability without requiring manual intervention
3Productivity
If different electrosurgical generators are used for different voltage requirements, then the electrosurgical performance is optimized, but the loss of time for switching generators increases
Solution Approach 1:
The transformer is designed to handle multiple voltage transformation ratios within a single device, allowing one common generator to effectively serve multiple instruments with different voltage requirements. This eliminates the need to switch between different generators, saving time while maintaining optimized performance for each instrument type
Solution Approach 2:
The transformer incorporates dynamic switching capabilities that allow it to change its transformation ratio in real-time based on which instrument is connected. This dynamic adaptation enables the system to optimize performance for different instruments without requiring physical generator changes, thus eliminating time loss
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 allows for consistent and efficient electrosurgical procedures across various tissue types without the need for frequent generator setting adjustments, enhancing user friendliness and reducing the risk of errors by integrating a transformer within the instrument to adapt voltage levels, making conventional generators multifunctional and versatile.
Implementation Method 1
a transformer having an input electrically connected to the connector and an output electrically connected to the electrode means, the transformer being adapted to change voltage of an electrical signal from the generator
Data Source
AI summary
An electrosurgical instrument and apparatus for use with the instrumentA bipolar electrosurgical instrument for use with an electrosurgical generator. The bipolar electrosurgical instrument incorporates a transformer having an input side or end electrically connected to the electrosurgical generator and an output side or end electrically connected to said bipolar electrosurgical instrument. The inexpensive bipolar electrosurgical instrument can be used with most conventional bipolar electrosurgical generators as well as with bipolar electrosurgical generators specifically designed for use with said instrument.