Withdrawing Sample Devices TRIZ Cases

A single-piece brass adapter eliminates leak-prone joints by using barbed fittings and flexible silicone tubing to seal the cored slab opening.

Segmenting the optical path with a filter assembly eliminates continuous purge gas requirements while maintaining measurement precision.

Segmented reagent pads separated by hydrophobic lines enable precise optical positioning and tape movement control.

A rib-shaped support maintains constant distance between inspection object and ejection opening for stable airflow detachment.

A gas sensor element uses a trap layer to filter poisoning substances and a waterproof protective layer with introduction ports.

Segmented sampling modules and a heated chamber resolve the trade-off between high flow rate speed and measurement accuracy for PM10, PM2.5, and PM1.0 ranges.

Segmented compartments prevent blood channel clogging while centrifugal forces separate plasma from cells.

Dual pump automation withdraws and returns fluid samples, preventing coagulation via anticoagulants for continuous outpatient monitoring.

An integrated capillary device uses a multi-layer interface assembly to drive fluid transfer from the channel outlet directly onto an absorbent substrate.

A portable capillary device transports clinical samples using bubbles for flow control.

A compact microfluidic device integrates a CMOS sensing chip with sealed fluid compartments to enable precise capillary flow control.

Control unit lowers access level during inactivity to prevent unauthorized operations while preserving continuous monitoring of analysis devices.

A specimen support tool with a guiding groove directs slices from water to precise locations.

Condensation particle growth enlarges airborne particles into droplets for gentle impaction onto a swab collection substrate.

An integrated filter unit couples a sample collection tube to a processing tube, enabling direct centrifugal filtration of biological samples.

Compressing a porous filtering medium extracts filtered liquid into a microfluidic channel via direct contact.

A portable hand-held oxygen monitor uses a segmented audiovisual alarm to alert welders of unsafe gas levels.

An integrated measuring cartridge combines quality control containers with a solution routing system to eliminate manual handling of separate ampules.

A hydrogen gas permeable membrane enables continuous dissolved hydrogen tracking in liquids via gas phase equilibration.

A multiphysics microfluidic probe manipulates single cells without physical contact.

Thermal gradients from heater elements concentrate particles in an air channel, reducing device complexity and cost while improving detection precision.

A networked label printer system accesses patient data from a hospital Laboratory Information System to print unique identifiers on tissue slides.

Separate chambers in the probe head allow distinct fixing materials for each sensor, resolving measurement accuracy issues caused by shared mounting structures.

A handheld sampling device uses a rigid clamp structure to secure biological collecting means without moving parts.

A portable assay apparatus uses a gas pressure applicator to drive liquid flow through a membrane-tipped pipette for quantitative testing.

A coaxial nozzle system dislodges trace particles from surfaces using pressurized gas jets emitted through multiple orifices.

Mating surfaces on a replaceable lamp assembly restore precise optical alignment, eliminating costly realignment procedures.

A fluid monitoring device uses a Tesla valve to capture viral particles from air streams.

Segmented sampling tubes allow alternating measurement and backflushing, resolving dust caking in hot flue gas environments.

A handheld conductivity analyzer uses a Peltier block to stabilize hydrocarbon samples for accurate measurement.

Dual leveling holes in a fitting body trim excess feces from the sampling stick, ensuring consistent volume for clinical testing.

Segmentation and extraction principles enable sterile liquid sampling by replacing the disposable hull between campaigns to prevent environmental contamination.

Vacuum-driven sampling with a dissolvable pad reduces bulky infrastructure and user pathogen exposure while maintaining detection sensitivity.

A movable aperture controls gas diffusion to prevent fuel cell overwhelm and calibration drift during high-concentration detection.

Volatile organic compound detection via metal oxide sensors improves ovarian cancer diagnosis sensitivity and specificity.

Remote calibration of low-cost sensors against reference instruments resolves the trade-off between measurement precision and operational cost.

Grooves on a spherical case allow throwing the device into confined spaces for rapid gas detection without operator exposure.

A portable odor detector uses a sampling needle to access sealed hygiene product packages for objective measurement.

Resonant sonotrode vibration cleans filters without heating samples, extending lifespan beyond 40,000 cycles while maintaining low energy consumption.

Piezo actuator synchronizes with crankshaft position to extract oil samples, resolving timing reliability trade-offs.

Segmented seals allow maintenance without pipeline shutdown, resolving downtime caused by seal wear in continuous flow operations.

A flow rate adjustment mechanism supplies compensation gas to stabilize pressure, enabling accurate high-pressure exhaust gas analysis.

Laser isolation and vacuum suction enable automated sample transfer while preventing mechanical damage and contamination during high-throughput analysis.

Bottom piercing and liquid withdrawal create direct headspace gas access, eliminating top-alignment complexity and improving measurement reliability.

Gradient filters with varying pore sizes isolate biological material while retaining inhibitors, improving detection sensitivity in stool or soil samples.

A display controller unifies analysis results and conveyance status on a single interface.

Segmented sampling container minimizes dead volume to prevent dissolved gas loss during field collection.

A spectral analysis device emits laser light to generate plasma for real-time nutrient measurement in crop cultivation substrates.