Withdrawing Sample Devices TRIZ Cases

A sampling apparatus uses a sloping floor and friction fit inserts to collect F.O.G. samples efficiently.

Hydrophobic segments restrict fluid volume in the collector, preventing dilution that reduces biomarker detection accuracy.

Automated microtome cuts ultrathin biological sections onto transparent electron films.

An overflow cup captures excess liquid from a milking dosing nozzle, preventing soiling and ensuring accurate reagent pad analysis.

A breath screening apparatus detects viral infection using ion mobility spectrometry to analyze volatile organic compounds in exhaled air.

Sealing the drive unit prevents dust contamination from dried samples, reducing maintenance needs while maintaining precise positioning.

A centrifugal rotor with a planetary gear system automates microchip testing, eliminating manual alignment and specialized personnel requirements.

Water environmental DNA collection apparatus automates filtration using a press filter and water pump to extract samples efficiently.

Recirculation in a blind leg sampling conduit preserves sample representativeness by preventing phase transitions during transport.

A dispenser piston remains submerged in liquid during operation to ensure precise volume control without air layer interference.

A hydrophobic specimen collection tip releases biological samples into reagent solution without retaining fluid.

A fusion zone balances residual stresses to guide brittle crack propagation through an embrittled region for accurate evaluation.

Segmented sensor cartridge with sequential valve sampling overcomes power and size constraints to enable deep-water hydrocarbon detection.

Integrated disposable cannula eliminates scissors to prevent cross-contamination and staff injury during blood collection.

Automated valve switching isolates a prefilter in photo-ionization detectors to extend service life.

A laser irradiation apparatus marks random sampling coordinates on specimen surfaces to enable unbiased manual collection.

An origin-adjusted calibration method using linear regression to quantify endogenous analytes via mass spectrometry.

A portable air quality monitoring device integrates ambient sensor data with GPS location information for immediate user delivery.

Disposable swab cartridge wipes surfaces along a predetermined path to eliminate operator skill dependency and cross-contamination risks.

Sampling assembly moves between sealed and exposed positions to capture atmospheric indicators during sterilization cycles.

Disposable adhesive test film isolates particle collection from complex equipment, enabling quick contamination assessment without expensive instruments.

Reversible fluid sealants prevent evaporation and leakage in microfluidic chambers without complex mechanical sealing systems.

Sequential VOC, H2O, and CO2 traps purify gas samples, resolving slow preparation times in isotopic analysis.

An inline optical fluid analyzer uses a solvent dispenser to clean sampling windows, eliminating manual disassembly and reducing operational downtime.

Illuminating a sample spacer produces scattered light that triggers data acquisition, reducing dead volume and increasing usable sample data.

An automated system collects patient samples using microfluidic tubing and a pump to move specimens through the device.

Pneumatic components deform to resist natural gas pressure shocks, preventing valve connection leakage during negative pressure extraction.

Segregating tracer and sorbent functions into separate cartridges prevents cross-contamination during simultaneous groundwater pollution assessment.

An encoder detects handwheel rotation to control a motorized drive unit, resolving unergonomic rocking movements required for short stroke adjustments.

Automated seed sampler extracts tissue samples without damaging seeds.

A trunnion valve sampling apparatus encapsulates the core to minimize seal wear and leakage during liquid extraction.

A particle sensor uses two light sources to detect scattered and fluorescent signals through a shared detector.

Porous sample containers integrate QR codes to enable direct Laser Induced Breakdown Spectroscopy detection of soil composition.

Optimized lysis buffers extract high-quality nucleic acids from fixed paraffin-embedded tissue, resolving low yield and complex protocols.