Surgical Instrument Usage Tracking via Self-Service Circuit
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Solution Overview
Problem
Current surgical stapling systems lack efficient mechanisms for tracking the usage and determining the end-of-life of surgical instruments, leading to potential malfunctions and safety concerns during procedures.
Innovation Solution
A modular surgical system with a motor-driven handle module and interchangeable shaft modules, equipped with sensors and a processing system that monitors and tracks the number of uses, energy expenditure, and sterilization cycles to determine when the instrument has reached its end-of-life, preventing further use and ensuring safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If surgical instruments are used repeatedly without tracking mechanisms, then productivity is maintained, but reliability deteriorates due to potential malfunctions from excessive use
Solution Approach 1:
The surgical instrument contains an integrated counter that automatically tracks its own usage cycles without requiring external monitoring systems. The counter is built into the instrument's circuit board and increments with each firing cycle, allowing the instrument to self-monitor its usage and provide service indicators.
Solution Approach 2:
The patent replaces complex mechanical tracking mechanisms with electronic counting circuits. A simple counter circuit on the instrument's circuit board tracks usage cycles through electrical signals generated during each firing operation, eliminating the need for mechanical counters or complex sensor systems.
2Reliability
If usage tracking systems are implemented, then reliability is improved by preventing malfunctions, but device complexity increases due to additional sensors and processing systems
Solution Approach 1:
The instrument's circuit board contains an integrated counter that automatically tracks usage cycles without requiring external monitoring systems. The counter increments with each firing cycle and provides service indicators, allowing the instrument to self-monitor its usage and alert users when service is needed.
Solution Approach 2:
The patent replaces complex mechanical tracking mechanisms with simple electronic counting circuits. A counter on the instrument's circuit board tracks usage cycles through electrical signals generated during each firing operation, eliminating the need for mechanical counters or complex sensor systems while maintaining surgical safety.
3Reliability
If the instrument is disabled at end-of-life, then safety is improved by preventing further use, but productivity deteriorates due to instrument downtime
Solution Approach 1:
The counter provides advance warning before the instrument reaches its end-of-life threshold. Users are notified of upcoming service needs through indicators on the instrument or external display, allowing them to plan maintenance during scheduled downtime rather than experiencing unexpected failures during critical surgical procedures.
Solution Approach 2:
The instrument includes visual or electronic indicators that provide real-time feedback on usage accumulation. These indicators alert users when the instrument approaches service thresholds, enabling proactive scheduling of maintenance and instrument replacement, thereby preventing unexpected failures during surgery while optimizing instrument utilization.
Data Source
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AI summary
An apparatus is disclosed which comprises a handle module that is attachable to a detachable shaft module for collectively performing a surgical procedure and an inspection station for connection to the handle module when the handle module is not being used in a surgical procedure. The handle module comprises a handle module memory circuit for storing handle module usage data for the handle module. The inspection station comprises an inspection station processor circuit for determining one or more service recommendations for the handle module based on the handle module usage data stored in the memory of the handle module and based on service recommendation criteria.