Withdrawing Sample Devices TRIZ Cases

An acoustic field replaces high-speed suction to collect infectious agents, reducing equipment size and noise while maintaining detection accuracy.

A seamless sampling needle uses equal inner diameters in its sampling and holding parts to ensure smooth sample flow.

Symmetric flexure assemblies cancel dynamic forces to suppress parasitic blade motions below one micron during high-frequency oscillation.

A recirculating flow loop accelerates pipeline fluid through turbulence-inducing outlets to enhance mixing and homogeneity.

A sampling system uses an automatic timer valve to control fluid communication through a rotating disk with aligned apertures.

Segmented base regions with pre-formed lateral grooves enable localized gas detection in portable devices without increasing structural complexity.

Nested syphon tubes and sealing plugs enable sequential depth sampling without decanting, resolving transport and efficiency bottlenecks.

A particle measuring apparatus mixes measurement target gas with filtered clean gas to enable accurate optical detection.

Tangential inlet assembly eliminates choking mechanisms to increase throughput and reduce screen wear in fine coal centrifuges.

A saliva collection tube uses a cap-mounted piercing insert to rupture a sealed stabilization fluid capsule upon closure.

A pipette housing uses a flexible cover stripe spanning a longitudinal slit to guide the draw-up lever while keeping the interior sealed.

Concentric probe assembly eliminates dead-legs and ensures representative sampling by maintaining equal fluid velocity.

A particle supply device seals the space between a FOUP and load port to create a controlled environment.

Superhydrophilic wedge-shaped tracks guide liquid transport via capillary forces on patterned substrates.

Air-water equilibrator captures rapid pCO2 variability in dynamic coastal environments without complex instrumentation.

A small internal volume cell accumulates gas bubbles in a dedicated trap region, preventing interference with electromagnetic radiation measurements.

A test cell uses textured wetted plates to simulate fluid flow patterns and proppant behavior within a fracture gap.

Radial sheath airflow merges with axial ambient flow to deflect particulate matter from curved surfaces.

A handheld sensing device measures ambient methane, ethane, propane, butane, and natural gas concentrations using a segmented sensor array.

A compact soil gas sampling probe uses a recirculation loop with a micropump to deliver representative measurements.

Oscillating flow concentrates chemical agents near sensors via machine learning analysis, preventing biofouling and enabling underwater monitoring.

A solid-state sampler collects airborne microbes using a plasma field for automated fluorescence detection.

A sampling device for flexible containers uses a protective element to cover the piercing tip during handling.

Angled helical fins and saddle fins condense fluid samples to prevent liquid carryover in gas analyzers.

Multilayer carbon nanotubes functionalized with hydroxyl and carboxyl groups measure electric current changes to detect carbon dioxide in gaseous environments.

Porous hydrogel particles sequester fragile biomarkers from complex fluids, preventing enzymatic degradation during early disease diagnosis.

Tapered channels guide fluid from the upper chamber to the measurement column, preventing spills when tipped.

A fluid collection device uses a tapered container to radially compress an absorbent swab upon insertion, releasing the sample without centrifugation.

A heated thermal mass lid stabilizes inlet and outlet passage temperatures in breath test simulators.

A motorized actuator interfaces with a canister valve knob to automate air sampling operations.

Vertical chamber segmentation and PTFE lining reduce lag time and maintenance costs while ensuring accurate analyzer readings across varied temperatures.

Segmented column geometry minimizes dead volume and elution liquid while maintaining uniform flow distribution through the extraction media.

A fiber optic probe uses a rotating light path selector to direct beams through forward and lateral scanning paths.

Undercut geometries create void spaces beneath the core channel, preventing surface nucleation and clogging risks during particle synthesis.

Hydrodynamic redirection via a sheath flow aligns analyte streams with excitation light at detection areas, reducing fluorescence bleaching and attenuation.

A capillary sample receiving part manages fluid volume through diverging geometry and surfactant treatment.

An AI system processes sensor data to generate virtual models of mailable items for autonomous content inspection.

A particulate matter sensor generates current pulses from filamentous structures formed on an electrode surface.

Modular extensions on a single-piece adaptor body prevent sample contamination and clogging while reducing installation time for varying slab depths.

Individual sample transfer units route atomized fog to a common plasma torch, eliminating dead volume and reducing memory effect in trace metal analysis.

Dual suction modulates airflow to generate distinct signal patterns, resolving the trade-off between measurement precision and device complexity.

An acoustic concentrator system uses sound fields to trap particulates at nodal positions within a resonator structure.

A scaled test assembly replicates aircraft structural joint conditions using preload and vibratory motion to evaluate wear protection materials.

A specimen collection device integrates an RFID tag within the cap to maintain chain of custody during automated handling.

A spring-biased valve mechanism enables probe insertion into hydraulic fluid cavities for particle detection and sampling.

A nested cylinder sampling apparatus with a lifting drive component and depth control mechanism.

An integrated paraffin cell bed in a collection tube prevents cell loss during aspiration, preserving yield for reliable cytology block formation.

A toilet-integrated catchment unit and homogenization chamber process stool samples automatically.

Milling with ultraviolet excitation uses serial ablation to image large biological samples, overcoming depth limitations of optical methods.