Withdrawing Sample Devices TRIZ Cases

A thin-section preparation device switches between one-blade and two-blade holding states to stabilize cutting blades.

A modular diagnostic device performs sample preparation, assay, and detection using fluidically isolated units.

A rigid hydrophilic object absorbs biological fluid into its pores to retain dried sample constituents.

Isokinetic probe samples fluid flow to deliver microorganisms through dual viewing sections with distinct flow rates for size-based separation.

Cookie cutter punch extracts precise seed tissue volumes, resolving contradictions between sampling efficiency and germination capacity.

Concentric sampling containers with check valves resolve structural sagging and sensor space limits in downhole operations.

A portable sampling cassette uses interlocking clipping means to secure the internal filter during transport.

A hydrophobic barrier equilibrates dialysate ammonium to ammonia gas for remote detection.

Laplace pressure gradients in a micropatterned superhydrophobic textile drive autonomous fluid transport, eliminating external pumping requirements.

A photometric calibration method uses dye absorbance to determine liquid volume dispensed by multichannel devices.

A capillary blood collection device integrates a flow channel and separation chamber to extract plasma directly after centrifugation.

Weight sensor calculates actual suction volume from container mass changes, eliminating manual verification errors.

An offset bell cap inlet adaptor minimizes turbulence and sample loss by matching velocities, enabling efficient testing in compact enclosures.

A portable air sampler uses a mass flow meter and blower to maintain precise airflow through the sampling plenum.

A pressure sensor monitors internal fluid pressure changes to generate measurement signals for liquid identification.

A biopsy container uses a sieve to recover dislodged cells from tissue samples.

Vacuum-insulated probes and nanotube coatings minimize thermal losses while high-pressure expansion prevents gas fractioning during sampling.

Parallel precipitation units generate simultaneous output signals to characterize airborne particle size distributions in real time.

A gas analysis bag integrates a flexible tube directly within the seam between wall sections.

A toothed wheel engages a rack to prevent tube rising, eliminating catch wear and misalignment.

A rolling sampling sphere probe automates surface analyte extraction through coordinated fluid supply and withdrawal.

A blood analysis method determines dilution factors using ion-free buffer solutions to enable accurate quantification of target components in small samples.

Controlled vacuum suction fills narrow flow paths, preventing air trapping that hinders particle separation reliability.

An inline particle size analyzer continuously measures bulk material dimensions using optical detection within a secondary sampling line.

A Teflon reaction vessel with an inverted U-shaped collection tube condenses vapors via ambient air cooling to recover volatile elements.

A core sampling and tapping assembly extracts pipe material to reveal internal geometry without depressurizing the system.

A vacuum sampling device uses a pivotal door to draw particulate material into a container for discrete volume collection.

A rarefied piezometric uptake apparatus measures gaseous uptake in large solid samples using selective fluid communication between dosing and uptake chambers.

A detachable specimen base enables precise sectioning and 3D imaging of biological samples, resolving optical aberrations from refractive index mismatches.

A fluid sampling device adjusts collection volume based on real-time particle load to maintain optimal density.

A fluid sample testing apparatus uses dual collector tubes and air venting to reduce back pressure during swab insertion.

A gas detecting device uses a modular design with detachable sensor modules for adaptable air quality monitoring.

A sampling unit extracts gas mixtures from treatment apparatus exhaust pipes to enable real-time detection of gaseous phase materials.

A gas-tight housing isolates the optical measurement section from particle-laden process gas while maintaining pressure equilibrium through a dedicated inlet.

Nested suction and insertion lances automate liquid handling in sealed probe chambers, eliminating interference with microscope illumination paths.

A reagent preparing device measures electrical conductivity to control fluid flow and supply accurate concentrations.

Segmented filter pads within a rotating cartridge enable precise puff-by-puff nicotine control, eliminating substrate variability and cross-contamination.

A re-breathing analyzer measures temperature differences between supplied heated air and return air to assess material breathability.

A sample processing system uses identifier reading devices and a dispenser to manage and aliquot samples.

A rotatable double-sided mirror directs light from a single source to fixed gratings for structured illumination microscopy.

Calibrating critical orifice instruments via series dilution units maintains flow conditions matching actual use, reducing dilution ratio errors.

Elevated collection resolves delayed detection by tracking spore origin and concentration before reaching crop level.

Handheld terminals scan container barcodes to associate samples with GPS coordinates, eliminating manual labeling errors.

Dry coating on a sampling device adjusts pH to optimize luciferase reactions, reducing steady-state light output time below 20 seconds.

Gas permeable membrane extracts dissolved gases from transformer oil to enable cost-effective condition monitoring and prevent unexpected power outages.

A multi-channeled soft plastic pouch enables simultaneous lateral flow and isothermal DNA assays.

Electrochemical sensor signal polarity analysis identifies wet gas presence during breath alcohol sampling.

A measurement system branches exhaust gas to quantify condensable particulate matter using a thermodenuder.