Withdrawing Sample Devices TRIZ Cases

Dual-axis rotation on a single chip separates target components from non-targets, eliminating external pumps to improve diagnostic accuracy.

Top area inflow conduit guides molten slag to a sample chamber, resolving interference with molten metal parameter measurement.

A micromanipulator positioning method calculates lowering travel using focal positions and tolerance profiles to prevent tool damage.

Flow sampler reduces gas velocity to adhere particles on a collecting surface, enabling in-line contamination characterization without slowing production.

Segmented tubes replicate field compaction forces to eliminate calibration drift from nuclear gauges, ensuring accurate strength measurements.

A vacuum sampling container uses a one-way valve to draw fluid samples while preventing back-flow contamination.

Metal film sealing on resin bottles maintains salt content stability during long-term storage, preventing measurement errors from environmental contamination.

A removable flow tube allows sterilization without disturbing fixed optical components in a flow-type particle analyzer.

A measurement device captures raw plant property values and applies calibration parameters from digital maps to generate accurate subarea-specific data.

A micro-fluidic circuit measures electrical resistance of nanoliter fluid samples to determine osmolarity.

A sample port housing with a recessed bottom and flume directs effluent flow to resolve water retention and accessibility bottlenecks during F.O.G. sampling.

Segmented closure portions with wiper seals prevent leakage and contamination during sample collection without manual stopper handling.

Phase-change microvalves create inert vacuum environments that preserve sample integrity against rapid decay and environmental contamination.

Antibody-coated magnetic beads remove non-target cells, enabling rapid isolation of pure Th1 and Th2 subsets for clinical diagnostics.

A sample probe uses a non-return valve to control liquid flow under pressure differences for automated extraction.

A seed slicer device uses a sliding plate and cutting assembly to slice seeds into parts.

A rotatable cylinder sampler acquires powder samples from deep bins without applying lateral shear forces to the material.

Automated capillary handling replaces manual orientation to resolve throughput bottlenecks in high-content genetic screening.

Programmable pinch valves replace multiple pumps to reduce device complexity and contamination in automated assay systems.

A detachable fluid transfer accessory uses a resilient engagement member to retain a tab assembly in a fixed configuration.

A coiled metal strip handling device integrates lateral inspection and opposite sampling mechanisms.

A dust sensor apparatus uses selective fan driving to create directed airflow paths through a sealed housing.

A sampler uses a gas gap between cooling bodies to rapidly cool molten metal samples.

Segmenting the sampling unit from the measurement unit prevents heat loss and cost increases while maintaining accurate particle counting.

A detecting apparatus uses a sharp pointed portion to pierce a storage chamber and release treating fluid into a collecting chamber for sample analysis.

A programmable liquid sampler uses a peristaltic pump to deliver precise sample volumes across varying environmental conditions.

A tissue sampling device with a through lumen enables liquid addition and withdrawal while nested in the reaction chamber.

Deflectable membrane shifts optical path between fluid and reference positions to eliminate fouling errors during in-situ measurement.

A tubular core and sleeve assembly with a syringe attachment enables sterile fluid sampling from process conduits.

A small area electrostatic aerosol collector uses a charging device to create an electric field that attracts particulates onto a sample substrate.

Heat exchanger recovers waste heat from downstream gas mixture to preheat dilution air, preventing condensation and improving measurement accuracy.

A heat sink transfers internal thermal energy to the sample gas stream exiting a gas detector housing.

A flocked sampling device collects analytes from a homogeneous mixture to enable precise quantitative transfer.

A sample plate uses a hollow main shaft to circulate cooling fluid while supporting independent inner and outer plate rotation.

A gas monitoring device uses a control system to correct sensor values based on variable volumetric flow rates.

Embedded control software automates bump test verification, replacing slow manual audits with immediate LED feedback.

A universal operating element controls vertical cutting and horizontal feed movements via slide, tilt, rotate, or push modes.

Reaction cuvette wash nozzles aspirate detergent to prevent clogging, eliminating complex external cleaning structures.

A suspended gas detection component uses an asymmetrical outer housing to generate randomized motion within airflow.

Parallel venturis in the sampling and diluent paths match gas flow rates, resolving size and cost trade-offs from multiple needle valves.

Spiral springs drive a reversible piston in a single pump, enabling simultaneous sampling and dispensing without external power.

Moving the suction tube toward the receding solid-liquid interface prevents solid contamination while maximizing aspirated liquid volume.

Fluid channel transports objects through structured illumination to resolve sub-wavelength features without complex optical paths.

Closed-loop peristaltic pump transfers alveolar air to analyzers without external contamination.

A bottom sampler uses a sealed valve mechanism to capture seabed samples while maintaining internal pressure.

A low-irradiance laser device calcinates solid carbonate samples via optical fibre delivery to generate gaseous CO2 for direct isotopic measurement.

Recirculating fluid ejection channels use sensor detection and selective ejection to sort single cells without labeling agents, reducing interference.

A test probe orifice dynamically adjusts flow area to maintain proportional sampling during engine operation.

A disposable process chamber integrates a removable base to enable direct embedding and cutting of biologic samples within a single unit.