Withdrawing Sample Devices TRIZ Cases

A sample dispensing probe suctions target samples at a fixed position to ensure consistent suctioning and ejection.

Onboard gas sensors monitor cabin air to detect volcanic plumes, preventing engine damage and crew exposure to toxic gases.

Optical detection replaces mechanical contact to resolve conflicts between productivity and measurement precision in biological sample processing.

Automated thin section sample preparation device images embedding blocks and cut sections for precise identification.

A biological sample receiver merges an envelope and cover from one folded sheet to simplify manufacturing.

Alternating thick and thin base portions expand the filtration area to resolve the contradiction between mechanical strength and efficiency.

A liquid extraction device conceals a piercing interface within a protective receptacle, reducing user injury and contamination risks during sample handling.

Nested chambers on a single carrier enable direct lysis and sequencing, reducing contamination risks from manual transfers.

Segmented cassette design eliminates battery maintenance by using a mechanical shutter to trigger automatic exposure time recording.

Form-fit blocking mechanisms prevent reverse rotation in multichannel pipette threads, maintaining piston alignment after autoclaving reduces friction.

Robotic carousel automates liquid transfer, mixing, and phase separation to eliminate manual handling errors in laboratory workflows.

Sampling module divides fluid flow to concentrate particles on a heated surface for chemical analysis.

A sampling bag carrier uses integrated clamps to securely hold bags during transport.

Aspirating tube moves linearly between automatic and manual regions to process specimens with reduced contamination risk.

Segmentation separates the reusable handle from the disposable vessel to prevent contamination while minimizing waste generation.

Aligned blade guide slots in a base plate constrain cutting motion to produce tissue forms with uniform thickness and smooth surfaces.

Water condensation enlarges submicrometer particles for inertial collection, enabling near-real-time chemical analysis of airborne matter.

A lens-grating-lens optical system enhances light throughput and spectral resolution in Raman spectroscopy.

A segmented dosing mechanism filters accumulated samples via an intermediary unit, ensuring high-quality data without complex control systems.

An electronically controlled tip lock mechanism ensures accurate attachment of replaceable pipette parts.

Feedback-controlled auxiliary flow maintains stable particle concentration at the sensor, preventing saturation and contamination.

Segmented element covers with varying clearance sections increase gas flow velocity via the Venturi effect, resolving low sensitivity during engine startup.

A blood withdrawal system uses a form-fit connection between the plunger and lancet to control puncture depth.

Automated multi-section sampling device separates plant roots using a moving cutter and cutting plate, eliminating freezing stress and manual labor.

A hollow tungsten carbide drill bit collects dry metal samples from a nuclear reactor core interior using integrated vacuum airflow.

A segmented blood collection device uses capillary channels to draw and transfer small fluid samples into separate containers.

Heating unit maintains constant temperature at the reaction site of a surface plasmon resonance detection chip.

An acceleration sensor detects movement state changes in a fluid transfer apparatus to enable automated control adjustments.

A particle concentrator and measuring unit detect aerosol fluorescence signals in real time.

An elastic holding member deforms to secure roll-shaped tissue pieces with varying diameters, preventing movement within the substrate block.

Integrating the transfer mechanism into the covering apparatus eliminates low-speed conveyors, reducing manufacturing costs and improving positioning precision.

Laser heating creates bubbles that redirect solvent flow through branching channels, eliminating complex electrodes and reducing cell damage during sampling.

A coordinated air purge and chemical cleaning system maintains continuous liquid sample flow to analyzers.

Merging the sectioning apparatus with the microscope frame resolves space constraints while enabling high-quality 3D imaging.

A barcode-tracked device system automates biological sample transfer into microtiter plates using magnetic processors and liquid handlers.

An inverted sampling bag integrates collection material to the interior, reducing cross-contamination during pathogen detection.

A gas flux chamber lifts and rotates to clear the sampling area.

Solid CO2 streams dislodge sub-100nm particles from surfaces, enabling accurate metrology that eliminates liquid cross-contamination.

Motorized actuation standardizes surface sampling pressure and timing, eliminating operator skill variability while maintaining high throughput capacity.

Segmented absorbent pads split one collected fluid sample into separate portions, eliminating the need for repeated sampling devices.

Segmenting the optical measurement chamber into fixed and movable plates resolves the trade-off between stray light sealing and precise distance adjustment.

Proportional control valve adjusts propellant gas flow based on delivery line pressure to eliminate measurement errors from fluctuations.

Vertical tube aspiration draws target fluid through carrier layers using negative pressure to maintain sample purity.

Merges initial soil samples into combined units analyzed via mathematical inversion to reduce sample quantity while maintaining measurement precision.

Segmented ejection openings prevent adjacent solution mixing while ensuring uniform metal film coverage in surface plasmon resonance sensors.

Independent rack transport sections share a single path to distribute samples across multiple measurement units without enlarging the device footprint.

A passive vortex separator splits multiphase well flow to isolate liquid samples, resolving insufficient pressure differential issues at low production rates.

A flow cytometer fluidic system uses a negative pressure source to drive continuous sample flow through the flow cell.

A modular grease sampling kit uses a piston and push rod to extract representative lubricant samples from machine bearings.

Integrated weighing sensor and motor-driven screw lance transfer solid samples, resolving contamination risks from scattered powders.