Vaccination/Ovulation Diagnostics TRIZ Cases

A cell isolation instrument uses a sealing member with pinching parts to grip and crush biological tissue.

A biopsy device rotates coaxial cannulas at different velocities to align apertures for tissue sampling.

A wearable sweat sensor device determines sampling rates using impedance measurements and microfluidic components.

Control device segments physiological monitoring into distinct receiving devices with unique threshold values to route alerts.

Automated eye movement detection replaces manual neuropsychological testing with objective diagnostic accuracy and language independence.

A specimen collector divides biological samples into separate portions using connected tubes and conduits.

A forehead sensor acquires cerebral blood flow data from distinct anatomical regions to determine cognitive states.

Portable breath analysis device detects tuberculosis mycobacterium in exhaled air using laser-induced autofluorescence.

Segmentation and nesting separate disposable end-effectors from reusable control units, preventing cross-infection while lowering replacement costs.

A microfluidic test strip employs a retention valve to reduce air flow, enabling precise salivary hormone detection without lab equipment.

A chalazion clamp integrates a detachable light source and threaded fastener for precise pressure control.

A folded sheet container provides fluid impermeability and rigidity for biological sample transport.

Lockable pivot joints maintain discrete angular orientations to stabilize sample collection vessels, resolving positioning difficulties during self-collection.

An optical switching unit isolates autocorrelation components in a Fourier domain optical coherence tomography system, removing noise that reduces measuring sensitivity.

A near-infrared measurement unit irradiates the foot sole to detect regional oxygen saturation levels for vascular assessment.

Segmented stiffness and retractable flaps clear cervical mucus, enabling unobstructed uterine access while reducing inventory complexity.

Integrated aspiration channels remove resected polyps during cutting, eliminating sample bias from separate tool switching.

A fluid control device transitions a sequestration chamber volume via suction to draw initial bodily fluid into the housing.

Electrochemical sensor device calculates sweat biomarker concentrations and transmits output data via a wireless network to remote servers.

Video-based remote drug testing eliminates travel costs while maintaining testing integrity through real-time operator oversight.

Flared axle ends and U-shaped grooves prevent axial shifting in endoscopic clevis assemblies.

A surgical handle device integrates a centering coupling element with a scissor joint to simplify assembly, reduce component count, and facilitate cleaning.

Periodic conductivity data transmission reduces power consumption, enabling smaller batteries for downsized wearable devices.

Motor-driven endoscope system moves a composite sheath with rigid and flexible sections for precise instrument control.

A double hinge center push-pull rod structure creates a staggered five-bar mechanism in biopsy forceps to enhance occlusal force.

A gaze point detection unit measures arrival time at determination regions to capture impulsive behavior patterns.

A helically coiled cytology scraper transfers rotational motion to excise tissue cells into a collection reservoir.

Integrated fluid reservoir and aperture transfer sample directly onto test strip, eliminating exposure risk during self-administered diagnostic testing.

Ridges, channels, and through-holes on a vaginal-canal conception aid guide sperm toward the cervix, replacing invasive, costly clinic procedures.

A self-contained analyte detection apparatus integrates a collection scoop, mixing chamber, and testing chamber into one housing.

Stabilizing tripod pod and guide wire maintain perpendicular harvesting accuracy for osteochondral plug grafts.

Vacuum-insulated transport kit maintains 2-8°C temperature to prevent sample degradation during home collection.

A detachable endoscope accessory isolates sample collection from the optical path using a tubular insertion unit.

Nested guide and sheath instruments enable precise deep tissue access while reducing patient trauma during minimally invasive procedures.

Color-coded compartmentalization prevents patient specimen mixing and mislabeling errors during laboratory processing workflows.

Segmented inlet and outlet conduit networks prevent extraneous water backfilling, ensuring reliable sweat analysis during aquatic activities.

A wearable sweat sensor device determines sampling rates to ensure chronological data assurance.

A reusable biopsy forceps design incorporates a flush port to clean catheter interiors and replaceable jaws to reduce medical waste.

A wearable device uses a hydrophilic element to absorb sweat and measure dimension changes for continuous hydration tracking.

A brain function measurement device acquires resting state data using a dedicated rest information acquirer and controller.

Segmenting the device into a reusable proximal handle and a disposable distal shaft reduces single-use waste while maintaining patient safety.

An integrated chip merges measurement and reference cells for continuous monitoring, resolving the trade-off between precision and duration of action.

Hollow chamber isolates extraction site to prevent bacterial contamination while suction draws fluid through central needle.

Autonomous smart medical devices use embedded signal emitters and receivers to create real-time anatomic visualization maps for precise in vivo positioning.

An asymmetric grid orientation in the protective cover suppresses vignetting and maintains image contrast by removing scattered rays.

Chamfered edges and roughened jaws on endoscopic biopsy forceps prevent channel interference and tissue sticking during sampling.

A cognitive decline detection system analyzes movement ratios between sleep and non-sleep periods to identify functional changes.

Segmenting adhesives into a central comfort layer and a durable outer ring extends wear time while providing visible tamper evidence.

Universal instrument mounts on robotic arms enable remote blood collection and treatment, preventing medical worker infection during outbreaks.