Colostomy TRIZ Cases

Segmenting the stoma function into a detachable shield and blocking element resolves leakage versus mobility trade-offs, enabling extended pouch-free wear.

Angled fastening strips and pivotable plates enable easy opening and cleaning of a drainable collection bag while maintaining reliable sealing.

A convex ostomy barrier uses a core-out insert to enhance adhesive sealing against peristomal skin.

Integrated electrodes detect moisture propagation through the adhesive layer, alerting users to leakage risks before skin damage occurs.

Segmented support garment prevents bag compression while maintaining easy stoma access through flatlock stitching and anti-microbial fabric treatment.

Sensor nesting in ostomy pouches monitors internal conditions to predict wear time and alert users before leaks occur.

A rotatable valve body aligns with a housing outlet to permit liquid drainage while a peripheral sealing device blocks flow in the closed position.

Integrated sensor assembly detects moisture propagation in ostomy adhesive layers to prevent leakage and skin damage.

Folding the pulling tab back onto the base plate eliminates clothing snagging and adhesive deterioration from moisture pockets.

Anchoring element with flexible elongatable members connects ostomy base plates to skin anchors.

Segmented foldable release liner positions cutting guide to eliminate alignment errors during stoma passage adaptation.

An elastomeric conical barrier seal expands around a stoma to eliminate adhesive skin irritation and leakage.

Cover element material exhibits higher affinity for the ostomy appliance than the body, eliminating separate liner handling steps.

Segmented wrap-around garment with integrated drain pouches prevents water ingress during showering, reducing infection risk while maintaining breathability.

Preliminary action closure seals ostomy bag before removal, eliminating leakage and odor during replacement.

Segmented leak sensors and temperature monitors detect effluent leakage and inflammation, preventing skin irritation while managing device complexity.

A resilient sealing element contracts via an adjustment mechanism to customize the inner diameter, preventing exudate leakage and reducing skin irritation.

A belt mount tongue resists hook detachment, solving visibility and dexterity issues for ostomy users.

Segmented adhesive and moldable zones prevent leakage from aggressive output without adding complex accessories.

A waisted ostomy pouch integrates a pre-filter chamber to separate gas from output while maintaining structural integrity.

Segmented weld portions distribute waste collection forces across the appliance walls, preventing outward bulging and wafer detachment.

Hydrocolloid adhesive wafer with diminishing surface undulations resolves cold flow issues while maintaining cohesive strength.

A sensor patch with a nonwoven substrate detects moisture propagation to prevent adhesive failure and skin damage.

Nested expandable portions within a cap envelope provide sufficient collecting volume without increasing appliance bulkiness.

Neutralizing releasable material shields ostomy adhesive from aggressive stomal output, extending wear time and preventing skin maceration.

Corrugated walls deform under waste weight to expand internal volume, preventing pancaking and overflow in ostomy bags.

Strap members between plate members maintain consistent spacing during welding, preventing adhesive leakage and simplifying manufacturing.

An invertible ostomy base plate transitions from a convex storage shape to a concave form that conforms to peristomal skin.

A stiffening member prevents the outlet wall from sticking due to vacuum or static adhesion while enabling reliable sealing and easy operation.

Probiotic ostomy barriers maintain adhesion reliability while suppressing pathogenic growth in immunosuppressed patients.

A pleated center panel shields the filter from stool while allowing gas passage to the activated carbon layer.

A flexible film belt attachment tack-welded to a peristomal pad secures ostomy bags via hook and loop fastening.

Coupling belt tabs to the face plate preserves pouch flexibility while maintaining secure attachment and leak protection.

A rotatable cap outlet valve controls liquid drainage through a curved lateral wall axle and concentric cap mechanism.

An outer shield prevents moldable adhesive from bonding to the inner seal, allowing flatus to vent peripherally and maintaining reliable pressure.

Thicker adhesive bridges in a segmented ostomy wafer absorb wrinkles on irregular skin, preventing folds that cause leakage.

Integrated sensor assemblies monitor adhesive integrity to prevent leakage and skin damage from moisture failure.

Segmented upper and lower sections with a waisted middle prevent sagging while increasing cavity volume for extended use.

Segmented visual and tactile indicators resolve low-light drainage positioning difficulties.

Segmented transparent film allows direct stoma viewing while maintaining discreet beige aesthetics.

Composite deodorant particles neutralize odor while the gel matrix reduces pouch adhesion, resolving trade-offs between discharge efficiency and portability.

Segmenting the adhesive into softer and harder layers decouples peel force from adhesion, resolving removal discomfort.

Segmented envelopes release neutralizers at the stoma edge, reducing maceration risks while managing manufacturing precision.

A base plate recess structure defines a free space volume exceeding the electrode size to accumulate humidity and liquids.

A convex ostomy device uses a hydrocolloid adhesive to absorb body fluids and form a protective gel layer.

A dual silicone adhesive system bonds ostomy bags to skin using a soluble film and cross-linked gel layer, preventing leakage from liquid faecal output.

An embossed release liner distributes liquid across an ostomy adhesive surface through interconnected cavities and capillary action.