Breast Pump Light Synchronization for Milk Quality
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Solution Overview
Problem
Breast pumps are less efficient than babies in extracting milk, and existing breast pumps that incorporate light sources for enhanced milk expression risk degrading the quality of milk due to illumination.
Innovation Solution
A breast pump design that includes a breast shield, a stimulator for applying negative pressure or mechanical stimuli, a light source for illuminating the nipple and/or breast, and a controller to synchronize the light source with the stimulator, ensuring that milk is not illuminated during expression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a light source is incorporated into the breast pump to enhance milk expression through increased blood flow, then milk expression efficiency is improved, but the quality of milk may be degraded due to illumination
Solution Approach 1:
The light source operates periodically in synchronization with the pumping cycles, being activated during stimulation mode to enhance blood flow and milk expression, then deactivated during extraction mode when milk flows into the collection container. This periodic operation ensures the light provides beneficial effects on milk expression while avoiding illumination of the collected milk that would degrade its quality.
Solution Approach 2:
The light source is activated during the stimulation mode before milk extraction begins, preparing the breast tissue by increasing blood flow and promoting milk let-down reflex. This preliminary action enhances the subsequent extraction efficiency while ensuring the light is not present during the actual milk collection phase.
2Productivity
If the light source operates continuously to maximize blood flow enhancement, then milk expression is improved, but thermal energy management becomes problematic due to inefficient electro-optical conversion
Solution Approach 1:
The light source operates periodically rather than continuously, synchronizing its operation with the pumping cycles. During stimulation mode, the light is activated to enhance blood flow; during extraction mode, it is deactivated. This periodic operation reduces cumulative thermal energy generation while maintaining the beneficial effects on milk expression during the appropriate phases.
Solution Approach 2:
The patent acknowledges that LED inefficiency generates thermal energy as a harmful byproduct. By synchronizing light operation with stimulation mode only, the system converts what would be continuous harmful heating into controlled, beneficial thermal effects during stimulation, while avoiding excessive heat accumulation during the extraction phase when the light is off.
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 synchronized use of light and stimulation enhances milk expression by increasing blood flow without compromising the quality of the milk, as the light source is controlled to avoid illuminating the milk during flow.
Implementation Method 1
a light source for illuminating the nipple and/or a portion of the breast for enhancing milk expression and/or providing photo therapy treatment
Implementation Method 2
a vacuum is applied such that milk is extracted
Data Source
AI summary
A breast pump comprises a breast shield, a stimulator for applying a negative stimulus to promote milk expression, a light source for illuminating the nipple and/or a portion of the breast, and a controller for synchronizing the timing of operation of the light source and the stimulator. The stimulation of blood flow using light has been found to promote milk extraction. In particular, the control of the light source prevents deterioration of the milk quality caused by the illumination.