Ostomy Cover Layer Openings for Adhesive Wear-Time Protection
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Solution Overview
Problem
Ostomy devices face challenges in maintaining adhesive integrity and efficiency due to aggressive stomal output, leading to reduced wear time and skin complications, which existing solutions have not adequately addressed.
Innovation Solution
The ostomy appliance features a body side member with a cover layer containing openings that allow a releasable material to egress onto the distal surface, acting as a sacrificial component to protect the adhesive by absorbing aggressive stomal fluids, thereby improving sealing and extending wear time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the ostomy device is worn for prolonged periods, then the adhesive integrity deteriorates due to aggressive stomal output, but extended wear time is desired for user convenience
Solution Approach 1:
A releasable material is introduced as an intermediary between the stomal output and the adhesive. This material acts as a sacrificial barrier that can be released to neutralize or absorb aggressive stomal fluids, protecting the adhesive from direct contact and maintaining its integrity over extended wear periods
Solution Approach 2:
The releasable material is pre-positioned within the body side member structure, ready for deployment before the adhesive is exposed to damaging stomal output. This preliminary preparation ensures that protective action is available immediately when needed, preventing adhesive degradation before it occurs
2Reliability
If the adhesive is exposed to stomal output, then the adhesive breaks down leading to leakage, but complete protection requires additional components
Solution Approach 1:
The releasable material is integrated into the body side member structure, merging the protective function with the existing device architecture. This integration provides enhanced sealing efficiency while minimizing the increase in device complexity through unified construction
3Ease of manufacture
If the releasable material is provided separately from the body side member, then manufacturing is simplified, but assembly complexity increases
Solution Approach 1:
The releasable material is provided as a separate component that can be manufactured independently using optimized processes. This segmentation simplifies the manufacturing of each individual part while allowing for modular assembly, which can reduce overall assembly complexity through standardized interfaces
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 solution enhances adhesive durability by distributing the releasable material to mitigate adhesive breakdown, reducing leakage and skin complications, and increasing the product's wear time while providing customizable and efficient ostomy care.
Implementation Method 1
a releasable material provided proximal to the cover layer. The cover layer of the body side member is configured to comprise one or more openings, each being configured to allow egression of the releasable material onto the distal surface of the body side member
Data Source
AI summary
An ostomy appliance includes a cover layer provided separately from a body side member (BSM). The BSM includes a proximal surface with adhesive provided for attaching the body side member to skin of a user, a releasable material provided distal to the adhesive, and a stoma receiving opening formed through the body side member and the releasable material. When the cover layer is attached to the body side member, the cover layer forms a portion of a distal surface of the body side member. Openings in the cover layer allow the releasable material to move to the distal surface of the body side member.