Motorized Breast Compression Pads for Automated Milk Extraction
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Solution Overview
Problem
Manual breast milk expression can be time-consuming and inefficient, leading to incomplete milk emptying and potential discomfort, with existing methods lacking in automation and comfort features.
Innovation Solution
A breast milk expression apparatus and system featuring a compression unit with radially displacing pads, driven by a motorized cable system, which cyclically compresses and decompresses the breast to facilitate milk expression, integrated with a bra-like structure for hands-free operation and adjustable for comfort and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual breast milk expression is used, then the process is simple and requires no additional devices, but it is time-consuming and inefficient
Solution Approach 1:
The patent replaces the manual mechanical action of hand expression with an automated mechanical compression system. Multiple pads are driven by a motorized mechanism to cyclically compress and relax breast tissue, substituting the manual squeezing motion with an automated mechanical system that operates more efficiently and consistently.
Solution Approach 2:
The patent implements periodic compression and relaxation cycles through the motorized pad mechanism. The pads compress the breast tissue in rhythmic intervals followed by relaxation phases, creating a periodic action that mimics and enhances natural milk flow patterns while maintaining higher productivity than continuous manual expression.
2Reliability
If manual hand expression is used, then no complex equipment is needed, but milk emptying is incomplete and causes discomfort
Solution Approach 1:
The patent divides the compression action into multiple segments through the use of several pads positioned at different locations on the breast. Each pad independently compresses different regions, ensuring more complete milk emptying from various lobes and ducts simultaneously, thereby improving reliability of complete emptying while distributing pressure to reduce localized discomfort.
Solution Approach 2:
The patent employs dynamic compression where the pads are actively driven to move between compressed and relaxed states in coordination. This dynamic action adapts to the breast tissue response, providing effective compression for complete emptying while the rhythmic relaxation prevents excessive pressure buildup that would cause pain.
3Productivity
If automated compression system is implemented, then milk expression efficiency increases, but device complexity increases
Solution Approach 1:
The patent merges multiple compression pads and their driving mechanisms into a single integrated assembly driven by one motor. The motorized cable system coordinates all pads simultaneously, combining what would otherwise be multiple independent mechanisms into one unified device, thereby increasing productivity while managing overall device complexity.
Solution Approach 2:
The patent designs the compression pads to serve multiple functions: they provide mechanical compression for milk expression, distribute pressure evenly across breast tissue to reduce discomfort, and can be adjusted to accommodate different breast sizes and shapes. This multi-functionality increases productivity while avoiding the need for separate devices for each function.
4Productivity
If multiple pads are used for compression, then milk flow and emptying improve, but manufacturing complexity increases
Solution Approach 1:
The patent uses flexible pad materials that can be molded into the required shapes and configurations. These flexible shells conform to breast contours and are driven by the mechanical system, allowing multiple pads to be manufactured as relatively simple flexible components rather than complex rigid structures, thereby improving milk flow efficiency while maintaining ease of manufacture.
Data Source
AI summary
A breast milk expression apparatus includes at least one compression pad disposable about a breast of a user and configured for radial displacement relative to the breast. The apparatus includes a compression unit coupled to the at least one pad, configured to cyclically displace the at least one pad radially inwardly to cause compression of the breast and, following compression of the breast, permitting the breast to expand and decompress.