Withdrawing Sample Devices TRIZ Cases

Segmenting measurement items into distinct aspiration groups reduces concentration gradient variations while minimizing blood sample waste.

A DNA sampling device uses a plug and inner recess to detach the sample-collecting area from the holding device.

Rotating shafts position nozzle assemblies to automate specimen handling, eliminating manual detachment that damages balloons.

A specimen cap with a needle lid system draws samples into a collection tube via vacuum.

Integrated mass spectrometry detects carbon and hydrogen isotopes to resolve limited thermal maturity assessment caused by single-isotope monitoring.

Segmented mold halves control temperature to eliminate tellurium use, enabling accurate chemical composition detection via cooling curve monitoring.

Segmenting optical detection channels resolves complexity trade-offs while capturing wide-range particle distributions from 2 μm to 20 mm.

Merges metal oxide gas detection, laser particle counting, and audio sensing to resolve the contradiction between broad adaptability and low device complexity.

A particulate matter detection sensor uses a cover with upstream introduction holes to direct exhaust gas onto a deposition portion for stable signal output.

A fuel testing device cools blended samples to detect phase separation using conductivity sensors.

A three-tiered device uses movable punches to create calibrated solid samples from material for analysis.

A flow regulation device uses a real time flow meter and three way valve to automate gas volume sampling onto adsorbent media.

An automatic soil sampler cycles a collection knife into the ground to gather topsoil samples.

Separate fluid guide units branch a gas sample into a measuring chamber, eliminating turbulence and contamination from intersecting paths.

Segmented cap manipulator and scanner modules reduce manual processing errors while maintaining sample integrity in diagnostic workflows.

A tapered optical cup directs ultraviolet light to detect microorganisms in biological samples.

A spherical flow cell directs laser beams through a liquid sample to capture scattered light signals with high precision.

Replacing pneumatic pistons with a programmable servo-electric pump enables active control over sample speed and volume while maintaining continuous fluid flow.

A saliva test device uses a peristaltic pump to collect samples during water intake.

Rotating carousel automates copper cathode sample collection, eliminating production line disruptions from manual bucket emptying.

Air port coagulant seals opening during rotation to prevent air bubbles and blood scattering, ensuring accurate metering.

Nitrogen inert atmosphere prevents oxygen degradation of polymer samples, ensuring accurate viscosity measurements for enhanced oil recovery.

Elastomeric seal pad conforms to irregular borehole walls, isolating formation fluids from drilling mudcake to ensure accurate pressure measurements.

Segmented housing enables easy cleaning while the nested design prevents sample separation for accurate analysis.

A handheld detector uses a solid adsorbent concentrator and pump to capture trace vapors and particles for single-unit analysis.

A drop-in measuring probe uses a locking element to secure the sensor carrier against shock loads in molten steel.

Rotary cutting with suction automates leaf sampling by removing manual positioning needs and supporting elements.

A lead testing system uses plungers to push cotton balls into vessels for simultaneous sample filtration.

A molding apparatus uses a non-planar press foot to compress biological tissue into an embedding block.

Side-mounted ultrasonic vibrator expands cavitation range to eliminate cleaning unevenness and prevent sample carry-over.

Integrating dilution chambers into a disposable test card eliminates fluid carry-over and removes complex cleaning apparatus requirements.

A grinding mechanism destroys resilient foam cells to release gas samples while pressure gauges track changes, ensuring reliable heat insulation evaluation.

A trace detector integrates a desorption chamber with continuous gas flow to maintain uninterrupted sample feeding during pre-concentration.

Friction-fitted interlocking housings protect the sample collection slide from contamination, ensuring reliable mold spore detection results.

Automated optical detection replaces manual mixing to resolve time-consuming solubility testing bottlenecks in biomass fuel development.

A fixed reference edge guides glass slides between a rack and scanning stage, preventing damage from yaw rotation during automated handling.

A capacitance sensor measures water content in liquid hydrocarbons after mixing the sample with a low-dielectric solvent to adjust dielectric properties.

A microtome mounts an anti-roll device directly onto a pivotable nozzle body to share adjustment mechanisms and reduce structural complexity.

A saliva collection kit uses a pneumatic suction mechanism to transfer samples into preservation solution within a sealed container.

A driving system stabilizes airflow to an actuating and sensing module using a dynamic fan mechanism.

A solvent storage device uses a linearly moving container carrying assembly to manage multiple vessels within a single frame layer.

A polymer-coated glass fiber sampler enables efficient thermal release of trace analytes for ion mobility spectrometry.

A liquid storage container uses a water absorptive member above the septum to capture moisture from the probe.

Hydrogel embedding stabilizes fatty tissue during slicing, enabling 3 mm sections that reduce fixation time and improve deep lesion detection.

A drop-in probe uses a dense counterweight to sink through molten metal slag.

Droplet-based extraction concentrates exuded components from organic films to enhance detection sensitivity and enable precise quality control.

A wireless sensor system monitors pressure and temperature in wine barrels using interchangeable bungs for different container sizes.

A multiple pass optical cell uses a central exit hole to separate the beam from the entrance path.

Absorbent swabs collect trace hazardous contaminants from surfaces using defined speed and force parameters to improve pickup rates.

A sample assurance reader measures liquid turbidity to determine specimen adequacy before primary testing.