Colostomy TRIZ Cases

Flexible cover features a segmented panel design that reveals the stoma opening through a dedicated viewing window for direct caregiver inspection.

A parastomal hernia support harness uses a tensioning assembly to adjust strap pressure for abdominal wall support.

A release liner uses frangible connections to segment the adhesive surface for controlled removal.

Segmented adhesive zones with a radial ventilation space prevent skin irritation from moisture buildup while maintaining reliable wafer attachment.

Grayish CIE L*a*b* values blend with skin tones to resolve visibility contradictions.

Detent and protrusion mechanism in ostomy outlet valve delivers tactile feedback to resolve control precision trade-offs while ensuring reliable drainage.

A convex ostomy wafer layer with moldable gaps conforms to varied skin contours, preventing effluent leakage without requiring multiple custom products.

Flexible window stretches to enlarge opening for interior view while recovering opaque state to protect privacy.

Crescent prefilter and anti-reflux panel prevent body waste clogging the ostomy filter assembly, ensuring reliable gas egress.

A self-sealing adhesive coated and textured film seals a drainable pouch outlet through direct material adhesion.

Internal garment pockets contain ostomy bags to distribute weight, eliminating skin abrasion from direct belt pressure.

Moisture-activated switchable adhesive composition prevents leakage by transitioning from a low viscosity fluid to a form-stable bond during ostomy application.

Expandable foam fills gaps between irregular stomas and backing layers, preventing adhesive erosion and leakage.

Segmented radial connection formations distribute waste weight to prevent forward sagging and leakage in filling ostomy appliances.

An off-center double line sealing assembly prevents leakage and odor in ostomy bags while maintaining ease of operation for patients with limited dexterity.

Segmented male and female closure members resolve the contradiction between locking strength and ease of operation while maintaining user hygiene.

A superabsorbent polymer layer and protruding center panel prevent waste clogging, extending hydrophobic filter life in ostomy pouches.

An ostomy collar drape and barrier use elastic compression to improve seal security while protecting peristomal skin from irritation.

Misaligned aperture membranes expand under gas pressure to create waste passage while absorbing acoustic vibrations that cause user embarrassment.

A removable pouch mounts to an undergarment waistband, allowing selective positioning to accommodate stoma location and bag expansion.

Segmented attachment arcs provide temporary access to moldable adhesive, resolving the trade-off between fitting precision and seal integrity.

A wicking layer absorbs liquid exudates from an ostomy stoma opening and channels fluid away from the base plate adhesive surface.

A retractable outlet moves between retracted and extended positions to facilitate waste discharge from an ostomy pouch collection cavity.

A nonwoven substrate wicks liquid from an ostomy adhesive layer to sensing electrodes for moisture detection.

Segmenting the pouch with a filter prevents solid clogging in the flat tap, enabling reliable night drainage without leakage.

A rigid bridge ostomy base uses elastically compressible coatings to provide stable support around the stoma area.

A five-layer asymmetric multilayer film with rubber-modified seal and inner layers absorbs flatus noise while maintaining a thin 25-50μm profile.

Integrated sensors detect moisture propagation in ostomy adhesive layers, signaling impending failure to enable timely replacement and prevent leakage.

A flexible annular seal and non-absorbent spout direct ostomy output away from the patient's skin into a collection bag.

A flange extension member surrounds the stoma bag flange and includes an absorbent pouch to contain waste material.

One-piece back support garment combines compression pants and a belt portion for comprehensive lower body coverage.

A rigid shell covers an ostomy pouch while a peripheral retaining crown slides over the inlet orifice to secure the device.

A scattering material layer redirects laser radiation between welded layers to prevent unintended heating of the second absorbing layer.

A self-collapsing ostomy valve uses radial expansion for secure stoma retention.

Segmented transparent viewing portion and integral gas filter assembly resolve hygiene trade-offs by enabling visual monitoring while managing waste gas escape.

An ostomy pouch outlet device integrates a bistable closure member directly into the structure to simplify manufacturing and user operation.

Asymmetric geometry minimizes horizontal bulkiness while annular corrugations expand to seal the opening, preventing clogging and leakage.

Segmented walls prevent pancaking by allowing air flow through a gas vent filter while maintaining structural integrity.

An arcuate anti-reflux film with slits prevents liquid backflow in urostomy pouches while increasing active volume and simplifying manufacturing.

Radial grooves on a stoma ring accept belt edges, preventing fabric unraveling and enabling immediate use.

A coupling layer affixed along a distanced attachment line secures an ostomy pouch to a body attachment wafer.

Segmented walls create gas flow paths that vent odors while liquid flow paths prevent backflow.

A urostomy valve uses a biased cover member and blocking formation to manage liquid flow through an integrated inlet and outlet path.

An asymmetric multilayer film uses uneven layer distribution to reduce noise transmission in ostomy pouches.

A stoma leakage collecting device uses a radially inner rim area to attach in a liquid-tight manner to an attachment plate.

A disposable ostomy emptying device uses a flexible tube to convey effluent into a toilet receptacle for independent disposal.

Integrating oleamide into polyethylene valve components prevents silicone oil migration, ensuring consistent operation after storage.

Segmented tabs on an adhesive flange extender flex independently to reduce shear forces and prevent seal leakage during body movement.

Tactile location projection aligns ostomy pouch flange with bodyside flange, resolving visual alignment difficulties for elderly users.