Ostomy Pouch Replacement Device With Dual Absorbency Chamber
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Solution Overview
Problem
Existing ostomy pouch replacement devices lack a dual absorbency chamber for effective collection and containment of both urine and excrement, often requiring preassembly and not being customizable to individual stoma diameters, leading to potential leakage and infection risks during the replacement process.
Innovation Solution
A customizable ostomy pouch replacement device featuring a dual absorbency chamber with a hollow and solid absorbent section, allowing for telescopic insertion of an absorbent member into a cylindrical waste receptacle, which can be used without preassembly, and includes a reusable alignment sleeve, push cap, and collar stand for secure attachment and disposal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a single absorbent material is used in the receptacle, then the device structure is simple, but it cannot effectively collect and contain both urine and excrement
Solution Approach 1:
The receptacle is divided into two distinct chambers: a hollow chamber for collecting urine and a solid absorbent chamber for absorbing excrement. This segmentation allows each chamber to be optimized for its specific function, enabling effective collection and containment of both waste types while maintaining a manageable structural complexity through modular design.
Solution Approach 2:
Different regions of the receptacle are assigned different absorbent properties tailored to specific waste types. The hollow chamber provides liquid collection capacity for urine, while the solid absorbent chamber provides high absorbency for excrement. This local differentiation of material properties optimizes the overall waste management effectiveness.
2Ease of operation
If preassembly of the ostomy appliance is required, then the device can be compact, but it does not allow ample time for skin preparation and proper positioning
Solution Approach 1:
The device is provided as separate components (receptacle, adhesive skin barrier, and ostomy pouch) that can be assembled during the skin preparation process. This segmentation allows the user to prepare the skin, position the adhesive barrier correctly, and then attach the pouch, providing ample time for each step without requiring preassembly.
Solution Approach 2:
The adhesive skin barrier is applied to the skin before the pouch is attached, allowing proper skin preparation and positioning to be completed in advance. This preliminary action ensures optimal adhesion and positioning before the final assembly of the complete ostomy appliance.
3Reliability
If the device is not customizable to individual stoma diameters, then manufacturing is simpler, but it may not fit properly leading to leakage and infection risks
Solution Approach 1:
The device offers customization options for the adhesive skin barrier and receptacle to match different stoma diameters. By varying the dimensional parameters of these components, the device can be adapted to fit individual ostomates properly, ensuring reliable sealing and preventing leakage while maintaining manufacturability through standardized size variations.
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 device effectively collects, contains, and disposes of both urine and excrement, providing ample time for skin preparation and reducing leakage and infection risks, with a sanitary and discreet disposal process suitable for various ostomate needs.
Implementation Method 1
a hollow chamber for collecting urine
Implementation Method 2
a solid absorbent chamber for absorbing excrement
Data Source
AI summary
An ostomy pouch replacement device is provided to allow ostomates with a surgically created stoma to collect, contain and dispose of bodily fluids during frequent hygienic maintenance. The device is customizable to each ostomate's unique stoma diameter and provides a disposable waste receptacle designed to have a hollow absorbent section and a solid absorbent section for sanitary, discreet and odorless disposal of both urine and excrement. The device preferably consists of a disposable waste receptacle that may be positioned over the stoma and further includes an absorbent inner material for capturing any waste that may be discharged, a push cap for pressing the absorbent material to the stoma, a cap or plug for sealing the device after use, and a collar stand for pressing an adhesive wafer to the skin and for holding the assembled device in an upright position.