Surgical Light Irradiance Indication for Overlapping Beam Thresholds
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Solution Overview
Problem
Existing surgical lighting systems lack efficient mechanisms to alert users when the total irradiance exceeds specified limits due to overlapping light fields, complicating compliance with international standards like IEC60601-2-41.
Innovation Solution
An indication system that includes a computer device connected to multiple light modules, determining and comparing illumination settings, and outputting an alert only when the combined illumination exceeds predefined thresholds, with optional features like structured light systems and artificial neural networks for zone overlap detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system provides continuous monitoring and indication of illumination levels, then user compliance with standards is improved, but device complexity increases
Solution Approach 1:
The system automatically monitors illumination levels, detects overlaps between light modules, and provides indications to users without requiring manual intervention. The computer device autonomously calculates total irradiance and compares it against thresholds, making the compliance monitoring self-executing rather than requiring user calculation or external monitoring equipment.
Solution Approach 2:
The system continuously monitors illumination settings of multiple light modules and provides real-time feedback to users when the total irradiance exceeds specified thresholds. This feedback loop enables users to adjust settings to maintain compliance with IEC60601-2-41 standards while performing surgery.
2Loss of information
If the system provides indications for every potential threshold exceedance, then user awareness is improved, but information overload occurs
Solution Approach 1:
The system applies different indication strategies based on the specific situation: it provides indications only when total irradiance exceeds specified thresholds, rather than continuously alerting the user. The indication is context-dependent, occurring only when necessary to inform users of potential compliance issues.
Solution Approach 2:
The system monitors all illumination settings but provides indications only for the specific condition when thresholds are exceeded, rather than alerting for every possible parameter change. This selective indication approach prevents information overload while maintaining user awareness of critical issues.
3Measurement precision
If the system monitors all light modules continuously, then detection accuracy is improved, but computational load increases
Solution Approach 1:
The system obtains illumination settings from light modules before performing the threshold comparison calculation. By having the settings pre-available from the modules, the computer device can efficiently calculate total irradiance without requiring continuous real-time measurement during the comparison process.
Data Source
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AI summary
An indication system for a surgical lighting apparatus is provided, comprising a computer device connectable to a plurality of light modules, wherein the computer device is configured to determine an illumination setting for each of the plurality of light modules; compare the illumination settings of at least two of the plurality of light modules to at least one output illumination threshold; and output an indication if the at least one output illumination threshold is exceeded. A surgical lighting apparatus, a method of indication, and a detection system for a surgical lighting apparatus are also provided.