Enemata/Irrigators TRIZ Cases

A coaxial irrigation valve with a plunger assembly regulates fluid flow to multiple ablation electrodes.

A rigid enema body with a self-centering protrusion eliminates manual alignment needs, enabling patients to safely administer fluid without assistance.

Segmented outlet ports distribute pressure across multiple streams to debride deep tissue wounds without driving bacteria deeper into surrounding areas.

An irrigation endoscope uses an elliptical outflow port to evacuate fluid and tissue.

A movable trocar plug seals the drain opening to prevent fluid leakage, resolving retention issues in fecal collection devices without separate caps.

An implantable tube uses a magnetic interface to connect an external delivery component for precise therapeutic substance administration.

An aerator in a pear-shaped bulb mixes air with liquid to produce an intermittent gas-liquid jet, reducing gingival injury risk from high pressure.

An integrated manual controller and pump device manages fluid flow through a rotatable valve mechanism within the housing.

A surgical system adjusts irrigation flow rate using a PID controller linked to tissue impedance measurements for precise fluid management.

Segmented housing cavities isolate the motor from irrigation fluid, preventing power loss and preserving vibrational capabilities of the surgical attachment.

A flexible nozzle skirt rests against the rectal wall to provide secure retention without inflatable balloons.

Ball-and-socket coupling and angle limiter maintain fluid flow orientation, eliminating the need to tilt the user's head.

A collapsible infusion channel adapts its cross-section via pressure differentials to maintain fluid flow in hysteroscopic procedures.

A handheld catheter placement device uses a steerable guide wire with integrated video and irrigation to advance the catheter through the urethra.

Rotatable tip aligns variable orifices to adjust flow rate, resolving congestion adaptation and cleaning complexity trade-offs.

Replacing battery pumps with a manual mechanism and constant force spring eliminates maintenance costs while maintaining reliable reduced pressure delivery.

A manual pump uses two one-way valves to deliver fluid through a nozzle.

A closed-loop surgical system coordinates fluid and device control subsystems to maintain preselected joint pressure.

A turbine-driven tissue resecting instrument rotates a cutting shaft via fluid flow.

Integrated dual pumps with coded cassettes adjust aspiration rates when shaver blades block outflow, maintaining stable surgical site pressure.

A colonoscopy cleaning method uses a lobed evacuation channel to remove fecal matter from the body lumen.

Pneumatically actuated instillation pump chamber draws and delivers topical treatment solutions to tissue sites.

A suction device uses an upstream closing valve to block the irrigation path and prevent fluid leakage.

Electronic interface selects continuous or pulse modes to resolve versatility and reliability trade-offs in surgical lavage systems.

Angled input channels create a fluid vortex that removes debris and contaminated water via vacuum suction without harsh direct spraying.

A tapered cannula with separate fluid pathways enables controlled delivery and removal of cleaning agents for safe auditory canal maintenance.

A wound cleansing handpiece integrates a porous body surrounding the fluid jet to combine mechanical abrasion with irrigation.

An integrated valve system in a silicone nasal rinsing cap prevents backflow and manages negative pressure, resolving the clumsiness of external vent tubes.

A medical flushing system uses a buffer container to stabilize effusion liquid flow for precise hematocrit analysis.

Self-service filling mechanism eliminates manual water handling, reducing contamination risks while maintaining device simplicity.

Segmenting a centralized warmer into portable units prevents rapid cooling during transport, ensuring stable saline temperatures throughout surgery.

A portable topical negative pressure therapy apparatus delivers therapeutic agents through a sealed drape using an integrated delivery tube.

Segmented catheter design prevents rectal necrosis by isolating rigid insertion mechanics from sensitive tissue contact zones.

Turbulent flow irrigator creates a vacuum effect to move kidney stone fragments away from the kidney, preventing tissue damage caused by mechanical graspers.

A disposable cartridge integrates negative-pressure and instillation therapy functions within a single housing to streamline clinical setup.

Segmented components and a pulley restrictor control expulsion speed while preventing reflux contamination in medical fluid delivery.

A dual-probe device seals nostrils and expands alar sidewalls to deliver therapeutic liquid via the swallowing reflex.

A surgical hand piece assembly uses a flexible connecting cable to link an external electric power pack, enabling adjustable irrigation control.

Hydrophilic semi-permeable elastomers move aqueous lubricants via diffusion, providing sustained moisture relief without systemic absorption risks.

A wound treatment apparatus applies negative pressure to remove exudate then injects medication into the sealed site.

Segmenting the bellows pump into intake and discharge chambers establishes a linear fluid path that eliminates complex conduit curves and reduces pressure drop.

A fluid ejection device uses a supply control unit to verify fluid availability before allowing the ejection unit to operate.

Segmented lens structures with localized openings control fluid velocity and direction, addressing the trade-off between adaptability and device complexity.

Translational rotor movement resolves the trade-off between tube loading ease and pumping performance in patient temperature control systems.

An inner hard layer bonded to an outer soft layer resolves the contradiction between structural strength and patient discomfort during colon hydrotherapy.

Pre-formed fluid channels in a universal cap eliminate manual channel creation, reducing wound preparation time while maintaining sterility.

An automated irrigation system modulates flow rates using real-time sensor data to maintain surgical field clarity during lithotripsy procedures.

A collapsible wound irrigation device uses a pressure-sensitive valve to control fluid exit from the container.