Burettes/Pipettes TRIZ Cases

Segmented array plates use hydrophobic sample zones and hydrophilic wash channels to prevent cell loss during solution removal.

A pipette uses a capacitive touch sense array to classify hand contact types and recognize gestures.

A tapered pipette tip integrates a microfluidic structure to perform sequential bioanalytical reactions using centrifugal forces.

A microfluidic cartridge uses a single compressible pump to drive fluid flow for particle resuspension without rotating parts.

An integrated plunger in the pipette tip eliminates air cushion errors while a sensing system ensures correct tip-pipette matching.

Plunger actuator compresses fluid dispenser to dispense precise reagent volumes, resolving diagnostic time versus accuracy trade-off.

Deformed elastomer O-rings clamp pipette tips, reducing clamping force and user strain.

Segmented pipetting and gas blowing components resolve the contradiction between device complexity and cross-contamination risks in chemical assays.

Segmented coupling elements and an elastomeric O-ring reduce press force while maintaining an air-tight seal against the tip shoulder.

A pipette uses a capillary tube and chamber to draw liquid by capillary action.

Segmented seating ribs undergo partial plastic deformation to reduce ejection force and compensate for dimensional tolerances.

Vacuum forming with gas-permeable mold apertures eliminates raised witness features that obscure graduation markings.

Radial locking elements engage a recess on the coupling segment to eliminate adhesive contamination and ensure fluid purity in solvent environments.

A disposable frustoconical flow cell enables non-destructive liquid sample analysis by minimizing internal surface contact.

An integrated pipette display indicates the next target well location code, reducing manual pipetting errors and space requirements.

A pipette tip uses a narrow capillary tube to collect fixed liquid volumes for automated clinical analysis.

Embedded electrodes on the pipette tip measure fluid resistance to provide real-time feedback, eliminating errors from inconsistent liquid levels.

Internal projections and counter-bores in a pipette tip rack plate restrict lateral displacement, preventing static-induced skewing during shipment.

A piston-driven variable-pressure chamber enables self-contained liquid measurement and removal without external tools.

A pipette with a superamphiphobic surface captures liquid droplets using generated electric charges.

Motorized pipette syringe retention mechanism enables precise sub-microliter dispensing.

Integrated electrodes control segmented aqueous droplet timing to eliminate protein waste during serial femtosecond crystallography.

A telescoping sampling probe uses a venting mechanism to purge debris from the piercing tube lumen during sample aspiration.

A capillary liquid measurement device detects dispensed volume via meniscus alignment with internal markings.

A disposable probe tip integrates sample, mixing, and detection zones to automate particle agglutination reactions.

Segmented disposable units eliminate dead volume and contamination risks while maintaining system simplicity through standardized replacement.

Electrode actuation forms virtual paths to prevent backflow and air bubbles during multichannel pipette loading of microfluidic reservoirs.

Segmenting the dosing mechanism reduces cross-contamination risk while maintaining high measurement precision across multiple target vessels.

Electronic sensors detect syringe position to display remaining steps, resolving manual counting errors in partially filled reservoirs.

Centering elements correct non-round barrels to prevent tilting, resolving misalignment errors during automated dispensing.

Disposable pipette tip integrates embedded conductive traces to electrically interrogate fluid samples for precise particle counting and flow rate monitoring.

Pinion and rack engagement enables precise sequential liquid injection, reducing operator error in automated assays.

Microfluidic printing stabilizes double-emulsion droplets on modified substrates, resolving monodispersity and stability trade-offs.

A valve assembly with a movable closure element distributes chamber pressure between channels to adjust pipetting pressure.

Branching ribs on the barrel exterior form channels that vent pressure and prevent tip blockages in sealed assay vessels.

A Fluid Volume Format encodes liquid volume data to enable precise digital dispensing control.

This sub-1 μL pipette design positions a small diameter metal tube near the tip opening to reduce ullage volume by 92%, ensuring accurate dispensing of trace liquid volumes.

Segmented capillary tubes collect small blood volumes while leaktight bases bridge analyzers, eliminating complex manual transfers.

A manual dosing device uses a segmented frame to hold syringes while a separate housing absorbs hand forces.

A pipette tip uses an outer groove to plastically expand the seat region during mounting, creating a secure interference fit with the device attachment.

A pipette integrates a reagent test pad and capillary holder within its tube to enable direct sample analysis and dilution.

A locking device for pipette volume adjustment screws uses toothed wheels and a control member to enable precise positioning.

Resilient guide contours displace flexible syringes out of alignment to protect scanning devices from rotational damage.

Mechanical displacement system replaces visual scales to eliminate parallax errors and user reading mistakes during liquid handling.

Nested mounting surfaces in a pipette enable multi-size tip ejection, reducing system complexity and cost.

Single nozzle segmentation fills nanowells precisely, reducing fluid waste and device complexity.

A pipette activation element forms a conduit for the pipetting button to enlarge the activation face.

Segmented plate assembly reduces mold complexity and production costs for microanalysis systems.