Surgical Light Beam Redirecting Optics
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing surgical lights lack efficient beam redirecting optics to focus light precisely at a desired distance, leading to suboptimal light distribution and intensity control in operating rooms.
Innovation Solution
A surgical light design featuring a substrate with LEDs on a planar surface, coupled with a dual optical system comprising first and second optical elements that collimate and redirect light to a specific area, allowing for precise light focusing and intensity adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If traditional cup-shaped housing with reflectors is used, then light can be focused at a distance, but the light distribution and intensity control are suboptimal
Solution Approach 1:
The patent replaces traditional mechanical reflector systems with LED-based light sources combined with optimized optical elements. This substitution enables more precise control over light distribution and intensity while reducing the complexity of the overall optical system. The LED array with specific optical elements provides superior light control compared to the mechanical reflector approach.
2Measurement precision
If incandescent bulb is moved relative to reflector, then light focus spot size can be adjusted, but the system lacks precise beam redirecting capability
Solution Approach 1:
The patent employs dynamic optical elements that can change their optical properties to adjust the light beam characteristics. The optical elements are designed to redirect light at specific angles, enabling precise control over the focus spot size and position without requiring complex mechanical adjustment mechanisms. This dynamic approach allows for easier operation while maintaining high precision.
3Productivity
If traditional surgical light design is used, then basic illumination is provided, but targeted light delivery at desired distance is not achieved
Solution Approach 1:
The patent applies local quality by designing optical elements with specific properties tailored for different regions of the light beam. The optical elements are configured to redirect light from specific LED sources at precise angles, creating localized areas of high-intensity illumination at desired distances. This enables targeted light delivery to specific surgical sites, improving surgical efficiency while providing precise intensity control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables targeted and adjustable light delivery, improving light distribution and intensity control in operating rooms, enhancing surgical visibility and efficiency.
Implementation Method 1
a first optical element positioned adjacent the LEDs... The at least one first optical element receives the light emitted from the LEDs into the first entrance and passing the light therethrough. The light exiting the at least one first optical element at the first exit is collimated
Implementation Method 2
a second optical element positioned adjacent the first exit of the at least one first optical element... The light exits the at least one second optical element through a second exit of the at least one second optical element and is focused on or redirected to an area a desired distance from the second exit
Data Source
AI summary
A surgical light including a substrate having a substantially planar top surface with a plurality of light sources on the substantially planar top surface, with each of the light sources emitting light in a cone when activated. The cone has a first spread angle. An optical system having a first area such that the light emitted from the light sources has a second spread angle after passing through the first area and a second area focusing or redirecting the light passing through the first area at a location a desired distance from the optical system. The second spread angle is less than the first spread angle.