Withdrawing Sample Devices TRIZ Cases

Capillary pressure gradients in microfluidic channels separate metered liquid from excess fluid, eliminating complex pressure generation means.

A solid-phase microextraction device uses a segmented guide and holding mechanism to protect the fragile extraction fiber during operation.

A charged conductive substrate captures airborne particles via electrostatic precipitation for optical analysis.

Lateral slot probes capture fluid slices at pipeline velocity, preventing liquid disassociation and ensuring accurate BTU content measurement.

Tangential air flow stabilizes a moving sheet relative to a sensor, eliminating measurement errors from tension and curvature.

Thermal desorption concentrates vapors before high-temperature SESI ionization, reducing solvent contamination to detect ppq levels.

A magnetic picker extracts target analytes from suspensions using force gradients.

Segmented radiation channels isolate detection paths from turbulent airflow, enabling accurate airborne impurity monitoring in confined vehicle cabins.

Variable displacement piston adjusts sample volume dynamically, eliminating complex piping modifications required by fixed containers.

A fine particle sensor casing positions gas inlet and outlet holes to overlap in the arrangement direction, stabilizing internal ion flow.

Segmented recesses in the cuvette body create variable layer thicknesses, resolving conflicts between small sample volumes and fixed measurement paths.

Automated laser microdissection replaces manual marking with image analysis, eliminating fatigue and errors while increasing throughput.

A biological sample collection assembly uses a filtering component to separate free cells from fluid samples for storage.

A sample extraction support tool guides extracted samples to the bottom of a well using centrifugal force.

A passive aerosol sampler harnesses natural air currents to draw airborne particles toward a deposition surface for subsequent analysis.

A cylindrical turbidimeter vial uses an optical shielding element to block stray light from reaching the detector.

Size exclusion separates small fetal DNA from larger maternal fragments to resolve low concentration detection challenges.

Supply tube shields reference gas filter adsorbent from ethyl alcohol degradation, stabilizing nitrogen monoxide detection accuracy.

Liquid handling device displays machine-readable codes on its integrated screen to transmit status information without adding wireless hardware components.

Vibration and pressurized fluid injection clear debris from gas extraction conduits, preventing filter clogging during drilling operations.

Collection arm gathers aerosol samples to resolve contamination risks while maintaining standoff distance.

A handheld wand uses impinging air flows to collect chemical residues from surfaces.

Automated field apparatus captures and preserves unstable RNA analytes from aqueous bodies using electronically controlled valves.

A clip-on air quality test unit uses sticky substrate panels to capture airborne pollutants from HVAC vent airflow for laboratory analysis.

Pressure difference sweeps coalescent material away from the filter, preventing clogging without relying on gravity.

A combined actuating device integrates trimming adjustment and retraction activation into a single rotary mechanism.

A fluid composition sensor uses a light shield with baffle elements to redirect divergent illumination beams away from the collection media.

A sterile syringe integrates a venturi vacuum source to collect trace biological specimens using detachable tools.

Nested sample bags in a semi-flexible clip structure enable one-handed surface sampling, reducing waste from multiple packaged items.

A sampling valve extracts gas from a sterile chamber without opening access flaps, preventing contamination during continuous operation.

An integrated desiccant drying region stabilizes oral or nasal swab samples at room temperature, ensuring diagnostic accuracy during home collection.

Vacuum or positive pressure drives reagents through a blotting membrane, reducing detection time to 30 minutes while maintaining signal quality.

Magnetic field interaction replaces bulky mechanical grippers to capture planet samples in orbit without complex probe movements.

A laser ablation sampling system uses robotic placement and beam steering optics to position objects precisely against a sample chamber.

A multi-way valve decouples the sample loop and flow cell to enable simultaneous liquid transfer and cleaning operations.

A picker device uses hydraulic fluid coupling and pressure gradients to aspirate and dispense target analytes with precision.

A microscale sampling device uses gravity and resistance channels to drive liquid samples into chambers without external pressure.

A fiber sampling device extracts individual fibers from bundles using a constriction mechanism for automated transfer.

A liquid aspirator controller manages pipette descent via motor drive current adjustments to detect container bottom contact through synchronism loss.

A staining apparatus uses a peristaltic pump with elastic hose lines to transport sensitive liquids through the chamber.

A control device calculates statistical distances between pressure signals and reference data to detect abnormal dispensing conditions.

A sensor dehumidifier system uses a condenser and desiccant to condition gas samples before detection.

An air barrier isolates the liquid sample from sheath fluid in the aspirator, preventing dilution and maintaining measurement accuracy.

A semiconductor-based particle detector uses a camera sensor to capture scattered light from concentrated gas samples for size analysis.

An autonomous sensor system detects sample angular orientation to eliminate manual microtome adjustments and ensure uniform sectioning.

A flow cytometer module integrates with liquid handling systems to enable near real-time cell measurement.

Diazolidinyl urea reduces false results from platelet interference, allowing shorter centrifugation times without compromising measurement precision.

A capillary diluter samples exhaust gas through a regulated underpressure outlet to maintain a constant dilution ratio without moving parts.