Medical Imaging Diffractive Filter Array Distance Adjustment
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Solution Overview
Problem
Medical imaging systems face challenges in differentiating colors in the red spectrum, particularly in endoscopic surgeries where high spatial and spectral resolution are crucial to avoid tissue damage, due to the presence of similar red shades from blood and soft tissue, leading to compromised spatial and spectral resolution when using fixed diffractive filter arrays.
Innovation Solution
A medical imaging system with a diffractive filter array and imaging circuitry configuration that includes a separation device to adjust the distance between the diffractive filter array and the sensor, allowing for optimal spatial and spectral resolution by switching between modes based on the required resolution, using piezoelectric or electroactive polymer materials for the separation unit to control this distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a fixed diffractive filter array is used, then spectral resolution is improved, but spatial resolution is compromised
Solution Approach 1:
The patent applies the dynamics principle by making the distance between the diffractive filter array and sensor circuitry adjustable rather than fixed. The separation device allows dynamic adjustment of this distance, enabling the system to switch between modes: when the distance is adjusted to one value, spatial resolution is optimized; when adjusted to another value, spectral resolution is optimized. This resolves the contradiction by allowing both high spatial and spectral resolution to be achieved at different times through dynamic reconfiguration.
2Measurement precision
If the distance between diffractive filter array and sensor is increased, then spectral resolution is improved, but spatial resolution deteriorates
Solution Approach 1:
The separation device enables dynamic adjustment of the distance between the diffractive filter array and sensor circuitry. By adjusting this distance, the system can optimize for either spectral resolution (larger distance) or spatial resolution (smaller distance) depending on the imaging requirements, thus resolving the contradiction between these two parameters.
Solution Approach 2:
The patent changes the physical parameter of distance between the diffractive filter array and sensor circuitry to resolve the contradiction. By varying this distance parameter, the system can achieve different optimization states: increased distance improves spectral resolution while decreased distance improves spatial resolution, allowing the system to adapt to different imaging needs.
3Measurement precision
If high spectral resolution is used to differentiate red shades, then color differentiation is improved, but spatial detail is lost
Solution Approach 1:
The adjustable separation device allows the system to dynamically switch between capturing images optimized for color differentiation (with larger separation distance) and images optimized for spatial detail (with smaller separation distance). This resolves the contradiction by allowing the operator to select the appropriate mode based on whether color or spatial information is the priority for the current imaging task.
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
This configuration enhances the ability to distinguish between different red shades, improving surgical precision and efficiency by providing high spatial and spectral resolution images when needed, reducing the risk of tissue damage and improving surgical outcomes.
Implementation Method 1
a diffractive filter array mounted over the sensor circuitry
Implementation Method 2
using piezoelectric or electroactive polymer materials for the separation unit to control this distance
Implementation Method 3
using piezoelectric or electroactive polymer materials for the separation unit to control this distance
Data Source
AI summary
A medical imaging system including: imaging circuitry configured to capture an image; a defractive filter array mounted over the sensor circuitry and a separation device configured to adjust the distance between the defractive filter array and the sensor circuitry.