Ostomy Pouch Protection Shell with Sliding Retaining Crown
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Solution Overview
Problem
Existing ostomy pouch protection devices fail to provide adequate support, prevent leakage, and maintain aesthetics, leading to discomfort and psychological issues for patients, as they can be restrictive, cause skin bleeding, and are not easily removable when full.
Innovation Solution
A device with a rigid shell and a retaining crown that slides over the pouch, secured by a belt, providing stable support and preventing leakage, while allowing easy removal and minimizing outgrowth, using a removable tongue to secure the crown and side plates for hernia compression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid shell protection device is used to support the ostomy pouch, then the pouch is protected from pressure and leakage, but the device becomes bulky and visible
Solution Approach 1:
The device incorporates a flexible belt that can be adjusted and tightened to provide support only when needed, rather than a permanently rigid structure. The belt dynamically adapts to the patient's body and clothing, providing protection while maintaining a low profile.
Solution Approach 2:
Instead of a bulky rigid shell, the invention uses a thin flexible belt with a rigid component that can be inserted only when needed. The belt itself is a thin film structure that provides support without adding significant volume or visibility.
2Reliability
If the protection device is tightly secured to prevent leakage, then pouch stability is improved, but the skin around the stoma may bleed
Solution Approach 1:
The device uses a belt as an intermediary element that distributes pressure around the waist rather than directly on the stoma area. The rigid component is positioned to support the pouch from below without compressing the skin around the stoma, acting as a mediator between the pouch and the patient's body.
Solution Approach 2:
The device applies support and pressure locally at specific points - the belt wraps around the waist to provide overall support, while the rigid component is positioned to support the pouch weight without compressing the delicate stoma area. Different parts of the device have different functions and apply different types of support.
3Reliability
If the retaining crown is closed to secure the pouch, then pouch support is improved, but easy removal becomes difficult
Solution Approach 1:
The retaining crown is segmented into two parts: a fixed portion that provides structural support and a removable tongue portion that can be easily detached. This segmentation allows the device to maintain pouch support through the fixed structure while enabling easy removal by simply detaching the tongue portion.
Solution Approach 2:
The retaining crown transitions from a static closed structure to a dynamic system where the tongue can be easily opened and closed. This dynamic design allows the crown to be securely closed for pouch support during wear, but easily opened for removal when needed.
4Ease of manufacture
If the device structure is simplified for easy manufacture, then production cost is reduced, but device functionality is compromised
Solution Approach 1:
The device is divided into separate functional components: a simple flexible belt, a rigid support component, and a retaining crown with tongue. Each component can be manufactured independently using simple processes, then assembled together to provide complete functionality.
Solution Approach 2:
The flexible belt serves multiple functions: it holds the pouch in position, provides compression support, and anchors the rigid component and retaining crown. This multi-functionality reduces the need for additional complex structures, simplifying manufacturing while maintaining protection effectiveness.
Data Source
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AI summary
Device for protecting an ostomy bag (3) comprising a hollow rigid shell (1) able to cover said bag (3), and a retaining crown or ring (10) secured to the edge of said shell (3) and open on its periphery so as to allow said crown (10) to be slid, when the device is being fitted over the bag (3) over the top, when the patient is standing upright, and the open central part of the retaining band (10) of which is able to allow the passage of the inlet orifice (12) of the pouch (3) once this pouch is connected to the stoma, that is to say to the orifice (8) via which stools pass through the skin (13) of a patient.