Smart Bra Optical Detection with Compression Chambers
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Solution Overview
Problem
Current optical methods for breast cancer detection face challenges in scanning deeper tissue depths due to increased light scattering, limiting their effectiveness in detecting abnormal breast tissue.
Innovation Solution
A smart bra design with a bra cup featuring a proximal inelastic portion and a distal elastic portion, equipped with arrays of light emitters and receivers, and expandable chambers that gently compress the breast to improve optical scanning and detection of abnormal tissue, utilizing changes in light transmission to analyze for abnormalities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If optical methods are used to scan deeper tissue depths, then detection capability improves, but light scattering increases which degrades measurement quality
Solution Approach 1:
The patent introduces an intermediary compression mechanism (expandable chambers) that mediates between the light sources/detectors and the breast tissue. This intermediary structure flattens and compresses the tissue to create a more uniform optical path, reducing the impact of light scattering while enabling deeper tissue scanning. The compression mechanism acts as a mediator that optimizes the interaction between optical signals and tissue without directly altering the tissue itself.
2Ease of manufacture
If the bra cup uses uniform elastic material throughout, then manufacturing is simple, but it cannot provide both support and uniform compression for optimal optical scanning
Solution Approach 1:
The bra cup is segmented into distinct functional zones: a proximal inelastic portion for structural support and a distal elastic portion for uniform compression. This segmentation allows each portion to be optimized for its specific function - the inelastic proximal portion maintains structural integrity while the elastic distal portion provides uniform compression for optimal optical scanning, resolving the contradiction between manufacturing simplicity and compression precision.
Solution Approach 2:
Different portions of the bra cup are assigned different material properties (inelastic vs. elastic) based on their functional requirements. The proximal portion uses inelastic material for support, while the distal portion uses elastic material for uniform compression. This local differentiation of material properties enables the device to simultaneously achieve structural support and precise uniform compression, overcoming the limitations of uniform material construction.
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
Enhances the ability to detect abnormal breast tissue by reducing discomfort and improving scanning accuracy through uniform breast flattening, allowing for more effective analysis of light transmission changes across different tissue depths.
Implementation Method 1
Optical imaging and spectroscopic analysis of breast tissue takes advantage of differences in light absorption and scattering by normal tissue vs. abnormal tissue
Implementation Method 2
There is an array of light emitters on a first side of the bra cup and an array of light receivers on a second side of the bra cup. Changes in light from the light emitters which is received by the light receivers caused by interaction between the light and breast tissue are analyzed to detect abnormal breast tissue
Implementation Method 3
There is also a first set of one or more expandable chambers on the first side of the cup and a second set of one or more expandable chambers on the second side of the cup. When the expandable chambers are expanded, they gently compress the breast to improve optical scanning and detection of abnormal breast tissue
Implementation Method 4
The bra cup has a relatively-inelastic proximal portion which is closer to a person's chest wall and a relatively-elastic distal portion which is farther from the person's chest wall
Data Source
AI summary
A smart bra enables optical detection of abnormal breast tissue. A cup on the bra has an inelastic portion which is closer to a person's chest wall and an elastic portion which is farther from the chest wall. Light from light emitters on one side of the cup is transmitted through a breast to light receivers on the other side of the cup. Changes in this light caused by interaction with tissue are analyzed to detect abnormal breast tissue. Expandable chambers in the cup gently compress the breast to improve optical scanning.