Segmented Surgical Instrument Circuit for Stable Power Control
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Solution Overview
Problem
Current surgical instruments lack efficient power management and safety features, leading to potential malfunctions and unsafe operations during surgical procedures.
Innovation Solution
A segmented circuit system with a safety processor and primary processor is implemented, which includes a power management controller, daisy chained power converters, and sensors to monitor and control power distribution, ensuring safe and efficient operation by preventing malfunctions and maintaining power stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a segmented circuit system with multiple processors and power converters is implemented, then safety and power management are improved, but device complexity increases
Solution Approach 1:
The circuit is divided into multiple independent segments including a primary processor segment, a safety processor segment, and multiple power converter segments. Each segment can be independently controlled and monitored, allowing the system to isolate faults to specific segments while maintaining overall system safety and functionality.
Solution Approach 2:
A controller is introduced as an intermediary component that coordinates between the primary processor, safety processor, and power converters. The controller manages power distribution and communication between segments, reducing the complexity of direct interconnections while maintaining system integration.
2Stability of the object's composition
If daisy chained power converters are used to maintain power stability, then power management is improved, but device complexity increases
Solution Approach 1:
The power conversion system is segmented into multiple independent power converter units connected in a daisy chain configuration. Each converter handles a specific portion of the power conversion task, allowing for modular design and independent optimization of each segment while maintaining overall power stability.
Solution Approach 2:
The power converters are designed with universal interfaces and control protocols that allow them to function as a coordinated system. Each converter can operate independently or in conjunction with others, providing flexibility in power distribution while maintaining stability through the multi-functional capability of the segmented power system.
Data Source
AI summary
The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.