Anorectal Bioimpedance Sensor for Fecal Incontinence Alert
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Solution Overview
Problem
Individuals with fecal incontinence often experience involuntary defecation without adequate warning, making it difficult to reach a restroom in time, highlighting a need for devices and systems that can alert users before such events occur.
Innovation Solution
A device configured for placement in the anus, equipped with bioimpedance or pressure sensors to detect changes in anorectal tissue and fecal matter, transmitting data to an external device to alert the user of impending defecation, potentially incorporating additional sensors and electrical stimulating elements to facilitate defecation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bioimpedance or pressure sensors are used to detect fecal matter presence, then the ability to alert users of impending defecation is improved, but the device complexity increases
Solution Approach 1:
The device divides detection functions into separate sensor modules (bioimpedance sensor and pressure sensor) that can independently detect different aspects of fecal matter presence. This segmentation allows each sensor to be optimized for its specific function while working together to provide comprehensive detection capability.
Solution Approach 2:
The sensor system is designed to perform multiple detection functions using a integrated sensor array that can detect both pressure changes and bioimpedance variations. This multi-functionality allows the device to monitor various physiological parameters (pressure, conductance, impedance) simultaneously, improving detection reliability without requiring entirely separate systems.
2Adaptability or versatility
If electrical stimulating elements are added to facilitate defecation, then the therapeutic capability is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The electrical stimulating elements are merged with the sensor system and housing into a single integrated device. The stimulation electrodes are positioned to work in conjunction with the sensors, allowing the device to both detect and respond to physiological conditions. This combining of detection and therapy functions into one device reduces the number of separate components needed and simplifies the overall system architecture.
Solution Approach 2:
The device is designed to automatically detect physiological conditions and provide appropriate electrical stimulation without requiring external intervention or complex control systems. The sensor data directly triggers stimulation protocols, allowing the device to self-regulate and provide therapy based on real-time physiological feedback.
3Adaptability or versatility
If multiple sensors and additional elements are integrated into the device, then the functionality is improved, but the ease of operation and user comfort may deteriorate
Solution Approach 1:
Multiple sensors and functional elements are nested within a compact hierarchical structure where smaller components are positioned within or between larger structural elements. The sensor array is integrated within the housing contours, and electrodes are positioned to utilize available space efficiently. This nesting approach allows multiple functions to coexist in a compact form factor that minimizes bulk and maintains comfort.
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 system effectively alerts users of impending defecation, allowing them to reach a restroom in time and addressing the issue of involuntary fecal discharge by providing timely warnings and potentially aiding in constipation through electrical stimulation.
Implementation Method 1
at least one of a bioimpedance sensor or a pressure sensor is configured to obtain conductance data/information of/from anorectal tissue as well as to obtain conductance data/information of/from fecal matter
Implementation Method 2
at least one of a bioimpedance sensor or a pressure sensor
Data Source
AI summary
A device insertable into the anus of a patient for obtaining bioimpedance and/or pressure data. The data can be analyzed to treat defecation related diseases. The device may be shaped to be easily inserted and alternatively or additionally comprise a dissolvable outer shell and spongy inner portion wherein the spongy inner portion may absorb liquids and sensors disposed thereon may obtain data from the liquid. A method of use for using said devices is also described.