Filtering Accessories TRIZ Cases

A downstream particle filter blocks wear debris and crystals in bulk contrast fluid, improving injection safety with reusable interconnections.

An in-line filter removes insulin preservatives before they reach the integrated sensor, enabling accurate glucose readings during single-site delivery.

A compressed vent filter lets air escape from the needle flow path while blocking blood leakage and resisting deformation under pressure.

A flexible liner lets the reservoir collapse as drug volume drops, shrinking pump footprint while limiting air bubbles for accurate wearable delivery.

An elastic reservoir, air filter, and diameter-tuned tubing stabilize infusion flow while keeping disposable pump parts interchangeable and low cost.

Mechanical filter channels capture septum debris while a one-piece port structure reduces leaks and clogging during drug delivery and fluid sampling.

A self-locking slider and rotator knob prevent IV clamp drift at high flow rates, helping maintain accurate and stable infusion delivery.

A porous membrane and fluted refill tube enable sustained local drug delivery against biofilms while limiting leakage, trauma, and systemic exposure.

An integrated drip chamber regulator uses a locking mechanism and flow sensing to prevent accidental adjustment and keep infusion delivery accurate.

End-wall vent openings with hydrophobic membranes let trapped air escape before filtration, preventing occlusion and stabilizing infusion line deaeration.

Alternative metal-ligand redox mediators let an integrated insulin cannula sensor measure subcutaneous glucose despite preservative interference.

An osmium-mediated sensor and in-line filter enable simultaneous insulin delivery and accurate glucose monitoring despite preservative interference.

Radiopharmaceutical injectors use radiation filters and sensors to detect retained particles, supporting safer handling and threshold-based monitoring.

Automated dose determination and radiation-particle sensing improve radiopharmaceutical delivery accuracy while reducing manual handling and exposure risks.

A hydrophilic membrane passes intravenous fluid while blocking air, supporting continuous air-free delivery when the chamber empties.

This case combines drip control, filtration, venting, and check-valve functions in one housing to simplify IV set manufacturing.

This case combines osmium redox mediators, laminated metal foils, and an in-line filter for durable, low-interference glucose monitoring.

A compressed filter in the link connector vents the needle flow path while resisting blood leakage under pressure.

Pre-positioning the plunger protects the lubricant film from deformation during filling, ensuring constant frictional force and stable flow rates.

Refraction part with specific internal angle directs light based on liquid presence, enabling visual confirmation of priming fluid arrival at the end cap.

Pressure sensors monitor inlet pressure to detect liquid depletion, eliminating manual monitoring and reducing air embolism risks.

Segmented channels confine a mobile body for detection while wider discharge paths maintain flow velocity, resolving obstruction trade-offs.

A porous membrane filtration module retains nucleation seeds at the reservoir outlet of drug delivery devices.

Nesting inner and outer filter media creates an annulus that increases filtration area and flow rate while maintaining manufacturing simplicity.

A compact infusion air eliminator uses a hydrophobic membrane to vent bubbles while maintaining fluid pressure.

Hydrophobic membranes in closed venting IV sets vent hazardous vapors into fluid reservoirs, preventing clinician exposure during priming.

Extending the filter to the housing free end eliminates the pocket that traps gas bubbles, preventing vapor lock and ensuring reliable substance delivery.

A vertical inlet passage feeds liquid into an indicating chamber where level rises proportionally to flow rate through a U-shaped resistant path.

A medical connector integrates a filter in its passageway to remove particulates while a flange shields the distal end from contamination.

A medical tube connector integrates a check valve, filter, and flow control mechanism within a single housing assembly.

Segmented filter elements arranged in an annular array create parallel pathways that bypass gas bubbles, preventing air lock during negative pressure operation.

A needle valve mechanism adjusts fluid flow rates over a continuous range using a tapered shaft and complementary seat design.

A drainage tube coupling part separates service and drainage channels using a hydrophobic membrane to maintain unblocked fluid pathways.

A medical infusion device uses a reversibly collapsible chamber to retract the needle by volumetric expansion upon fluid introduction.

A color-changing endcap indicator confirms priming completion, eliminating unnecessary liquid medicine loss during tube preparation.

A catheter connector employs a floating sterilizing element that adjusts position via flow pressure to reduce resistance while preventing sepsis.

A flow metering insert uses hydraulic resistance to create a liquid level proportional to the flow rate in standard drip chambers.

An integrated filter and dynamic valve in a needleless connector prevent pathogen transfer during infusion while allowing unobstructed fluid withdrawal.

A permanent actuator-filter connection prevents wrong-route epidural errors by eliminating separate components that rely on ignored labels.

Ligand-functionalized fluidic channels capture bacteria and endotoxins from whole blood, reducing pathogen burden without clogging or damaging healthy cells.

A pre-filled syringe assembly applies lubricant to the chamber inner surface before plunger insertion to maintain consistent friction during liquid contraction.

Segmented layers with distinct pore sizes block bodily fluids while resisting surgical fume occlusion to maintain continuous suction.