Modular Electrosurgical Generator Base with Interchangeable Sub-Modules
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Solution Overview
Problem
The complexity and variety of electrosurgical generators required for different medical specialties hinder manufacturing efficiency and innovation, as each type and variant necessitates distinct components and functionalities, leading to a cumbersome development and modernization process.
Innovation Solution
An electrosurgical generator design featuring a base module with a distribution unit and hybrid connectors that allow for easy swapping of sub-modules, enabling the same device to be configured for various types and variants by distributing high-frequency energy and data signals, thus simplifying manufacturing and modernization without requiring extensive modifications to the base module.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different types of electrosurgical generators are developed for various medical specialties, then the adaptability and versatility are improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The electrosurgical generator is divided into a base module and interchangeable specialty modules. The base module contains common components (power supply, control unit, display), while each specialty module (e.g., urology, gynecology, gastroenterology) contains specific components for that application. This segmentation allows manufacturers to produce a limited number of base modules and attach different specialty modules as needed, reducing overall manufacturing complexity while maintaining high adaptability across different medical specialties.
Solution Approach 2:
The base module is designed with universal interfaces and connection points that can accommodate multiple types of specialty modules. The control unit and power supply are configured to work with various electrosurgical instruments across different medical fields. This universal design enables a single base module to serve multiple functions when paired with different specialty modules, thereby improving adaptability without proportionally increasing device complexity.
2Adaptability or versatility
If a huge variety of electrosurgical generator variants are produced, then the adaptability is improved, but the ease of manufacture deteriorates
Solution Approach 1:
The generator is segmented into standardized base modules and specialty modules that can be manufactured separately using standardized processes. The base module production line remains consistent across all variants, while only the specialty modules require variation. This segmentation maintains ease of manufacture for the common components while enabling adaptability through modular specialization.
Solution Approach 2:
Common components (power supply, control unit, housing) are merged into a standardized base module that serves all electrosurgical generator variants. Only the specialty-specific components are separated into individual modules. This merging approach allows manufacturers to produce the base module once and reuse it across all variants, significantly improving ease of manufacture while maintaining adaptability through the interchangeable specialty modules.
3Adaptability or versatility
If extensive modifications are made to create different electrosurgical generator types, then the adaptability is improved, but the productivity deteriorates
Solution Approach 1:
By segmenting the generator into base and specialty modules, manufacturers can produce base modules in high volumes using efficient assembly lines. Specialty modules are produced separately and attached to the base modules. This segmentation eliminates the need to retool production lines for each variant, maintaining high productivity while achieving adaptability through modular combination.
Solution Approach 2:
The base module is designed in advance with pre-configured interfaces, connection points, and universal control logic that anticipates the needs of various specialty modules. This preliminary design work is done once, and then the same base module can be quickly assembled with different specialty modules for various medical specialties, thereby improving productivity by avoiding extensive modifications for each variant while maintaining adaptability.
Data Source
AI summary
An electrosurgical generator including an inverter unit generating HF energy and a high-voltage connection supplying the HF energy to an output socket for an electrosurgical instrument. The high-voltage connection includes a base module with a distribution unit and at least one connection port. The distribution unit comprises a HF distribution line and data communication wiring, both being supplied to the at least one connection port for which a sub module is provided connecting to the HF and the data signals and supplying the output socket. Thereby electrical connections and data communications are established at once. Consequently, inserting a different sub module allows for simplified alteration of type and variant of the generator. A newly developed version of the sub module may just be inserted into the connection port without any need of alteration of the base module. Modernization and updating is facilitated.