Wearable Surgical Lighting with Voice and Motion Control
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Solution Overview
Problem
Current surgical and dental lighting systems lack the ability to provide adaptive, hands-free illumination that adjusts to the changing needs of the surgical site, often resulting in glare and inadequate visualization due to fixed light sources.
Innovation Solution
A wearable lighting system with voice and motion control capabilities, integrated with a processor and sensors, allowing for real-time adjustment of light intensity, wavelength, and pattern based on user commands, instrument position, and biometric feedback, enabling precise illumination of the surgical field without requiring manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed light source is used, then the device complexity is reduced, but the adaptability to different surgical sites and procedures deteriorates
Solution Approach 1:
The patent implements dynamic lighting by enabling the light source to adjust its intensity, color temperature, and direction in real-time based on surgical conditions. The system transitions from static to dynamic control through voice commands and motion sensors that automatically modify lighting parameters to match different surgical sites and procedural stages.
Solution Approach 2:
The system changes lighting parameters (intensity, color temperature, beam angle) adaptively based on the surgical context. Different parameters are adjusted according to the specific surgical site, tissue type, and procedural requirements, allowing the same light source to serve multiple functions across diverse surgical applications.
2Ease of operation
If manual adjustment of lighting is required, then the ease of operation is reduced, but the device complexity is also reduced
Solution Approach 1:
The lighting system serves itself by automatically detecting surgical conditions and adjusting its own parameters without external intervention. Motion sensors detect the surgeon's head position and gestures, while voice recognition captures commands, enabling the system to self-regulate lighting based on contextual cues from the surgical environment.
Solution Approach 2:
The patent replaces manual mechanical adjustment mechanisms with voice-based acoustic control and motion-based sensor detection. This substitution eliminates the need for physical dials, switches, or buttons, allowing hands-free operation that maintains sterility while providing intuitive control through natural human interactions.
3Productivity
If hands-free control is implemented, then the productivity is improved, but the device complexity increases
Solution Approach 1:
The system achieves multi-functionality by integrating multiple control modalities (voice recognition, motion sensing, ambient light detection) into a single hands-free lighting system. These diverse functions work together to provide comprehensive automatic control, allowing the device to handle various surgical scenarios with a unified system architecture.
Solution Approach 2:
The patent introduces intermediary sensors and processors that mediate between the surgical environment and the light source. Motion sensors detect gestures and head position, voice microphones capture commands, and processing units interpret these inputs to control lighting parameters, creating an intelligent intermediary layer that enables hands-free operation without direct mechanical interaction.
4Illumination intensity
If the light intensity is increased to improve visualization, then the illumination intensity is improved, but harmful factors such as glare and reflections increase
Solution Approach 1:
The system applies local quality by directing light precisely where needed rather than uniformly illuminating the entire field. The lighting adapts its intensity and distribution to match the specific surgical site characteristics, providing high intensity only where visualization is critical while reducing intensity in areas where glare would be problematic.
Solution Approach 2:
The lighting dynamically adjusts its intensity based on real-time surgical conditions, tissue reflectivity, and procedural stage. The system transitions from static high-intensity illumination to dynamic control that modulates brightness according to the specific optical properties of the surgical field, preventing excessive glare while maintaining adequate visualization.
Data Source
AI summary
A lighting system comprising a light source and a handsfree control system in communication with the light source, wherein the handsfree control system is configured for one or more of voice control, motion control, control via biometric feedback, and position-based control of the light source. The lighting system further comprising an accelerometer, a microphone, and/or a surgical navigation system for creating inputs for the system to command control of the light source. The lighting system where the light source is a wearable light for use in an operating theater.