Breast Pump Sensing Unit for Physiological Response Detection
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Solution Overview
Problem
Existing breast pumps fail to detect the milk ejection reflex (MER) and adapt their stimulation accordingly, which is crucial for efficient milk expression and user comfort.
Innovation Solution
A sensing unit is designed to detect physiological responses such as galvanic skin response, pulse, respiration rate, or body temperature from the user, allowing it to trigger changes in the breast pump's operation mode from let-down to expression, relaxation, or neutral modes based on detected conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a breast pump uses fixed stimulation mode, then device complexity is reduced, but adaptability to user physiological state deteriorates
Solution Approach 1:
The system continuously monitors physiological parameters (galvanic skin response, pulse, respiration rate, body temperature) and uses this feedback to automatically adjust the stimulation mode. The sensing unit detects changes in physiological state and triggers mode transitions (e.g., from let-down mode to expression mode when MER is detected), creating a closed-loop control system that adapts to user needs in real-time
Solution Approach 2:
The breast pump system performs self-adjustment based on detected physiological responses without requiring manual user input. The control unit automatically interprets sensor data and switches between operational modes (relaxation, let-down, expression, neutral) based on detected conditions such as MER occurrence or user stress levels, making the system self-regulating
2Reliability
If breast pump detects physiological responses in real-time, then responsiveness to MER improves, but device complexity increases
Solution Approach 1:
The sensing unit is divided into separate functional modules: electrodermal sensors for galvanic skin response detection, pulse sensors for heart rate monitoring, respiration sensors for breathing rate detection, and temperature sensors for body temperature monitoring. Each sensor type targets a specific physiological parameter, allowing independent optimization and fault isolation while collectively providing comprehensive MER detection capability
Solution Approach 2:
The sensing unit is designed to detect multiple physiological parameters (galvanic skin response, pulse, respiration rate, body temperature) using a single integrated system. This multi-functional approach allows the system to detect MER through various physiological indicators, improving detection reliability while sharing common processing and control infrastructure
3Productivity
If breast pump switches modes automatically, then milk expression efficiency improves, but loss of user control increases
Solution Approach 1:
The system provides continuous physiological feedback monitoring that automatically triggers mode transitions when specific conditions are detected (e.g., MER occurrence detected through galvanic skin response changes). This feedback-driven automation optimizes milk expression by ensuring mode changes occur at the physiologically appropriate moment, improving efficiency while maintaining user awareness through the detection process
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 sensing unit enables the breast pump to automatically adjust its operation to mimic natural suckling patterns, enhancing milk expression and user comfort by switching modes in response to physiological cues, thereby improving the efficiency and comfort of milk expression.
Implementation Method 1
The sensor may be an electrodermal sensor configured to detect said response from skin tissue of the user of the breast pump. The physiological response may be a galvanic skin response.
Data Source
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AI summary
An apparatus comprising a sensing unit configured to detect a physiological response from a user of a breast pump and to trigger a change in an operation of the breast pump in dependence of the detected physiological response, the sensing unit being located separately from a funnel of the breast pump.