Sensor-Guided Lighting Assembly for Surgical Shadow Control
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Solution Overview
Problem
Existing surgical lighting systems face challenges with positioning, shadows, luminosity, glare, and adaptability due to the dynamic nature of medical procedures and the presence of obstacles like medical equipment, necessitating improved illumination systems that can adjust to these conditions.
Innovation Solution
A lighting assembly with an upper and lower mount, a central shaft, and a printed circuit board equipped with sensors and actuators that allow for rotation and tilting of light modules, controlled by a controller to optimize lighting angles and positions based on detected obstacles and personnel movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If lighting is suspended from the ceiling in the presence of other medical equipment, then installation is simplified, but adaptability to obstacles and personnel movement is reduced
Solution Approach 1:
The lighting assembly incorporates a rotatable lower mount that can dynamically adjust its position and orientation in response to obstacles and personnel movement, transforming a static ceiling-suspended system into a dynamic one that adapts to changing surgical environment conditions
2Stability of the object's composition
If lighting is fixed in position, then stability is improved, but ability to follow shifting personnel and instruments is reduced
Solution Approach 1:
The lighting system employs a two-stage rotational mechanism with a stable upper mount providing fixed support and a dynamically adjustable lower mount that can rotate and tilt to track personnel and instruments, achieving both stability and adaptability simultaneously
3Device complexity
If lighting modules are stationary, then device complexity is reduced, but shadow and glare control is worsened
Solution Approach 1:
The light module is mounted on a lower assembly that can rotate and tilt independently, allowing dynamic adjustment of lighting angles to minimize shadows and glare on the surgical field while maintaining relatively simple system architecture
Solution Approach 2:
The lighting system provides localized directional illumination that can be precisely oriented toward the surgical site, concentrating light where needed while minimizing stray light and glare in surrounding areas
Data Source
AI summary
A lighting assembly includes an upper mount having a pan gear and a plurality of indicator flanges. A lower mount is operably coupled to the lower mount and includes a pan motor and a tilt motor. A printed circuit board is operably coupled to the upper mount and includes a plurality of sensors. At least one sensor is selectively and operably coupled with the plurality of indicator flanges of the upper mount. A light module is operably coupled to the lower mount and includes a tilt gear operably coupled to the lower mount. A controller is operably coupled to the printed circuit board, the pan motor, and the tilt motor and is configured to rotate the lower mount and the light module via the pan motor and is configured to tilt the light module via the tilt motor.