Vaccination/Ovulation Diagnostics TRIZ Cases

Inflatable balloon stabilizes catheter position within heart chambers while pressure sensors detect blood readings for accurate tissue sampling.

A reusable filling container uses a bundle of hollow tubes to produce multiple water balls simultaneously.

Integrated bone drill bit merges drilling, substance delivery, and biopsy sampling into one tool to eliminate multiple instrument changes during surgery.

Quarter-wavelength fuse segments in RF cables prevent instrument heating during MRI scans by breaking resonant current paths.

Magnetic actuation controls endoscope forceps opening angle, resolving the trade-off between constant half-open stability and manual adjustment difficulty.

Graphene-based sheets in the multilayer membrane filter interfering species, enabling precise electrochemical detection of specific analytes.

Segmented stabilizing portions adapt to body shape variations, enabling precise probe positioning for accurate sample collection.

Replaceable cartridge uses interlocking serrations to guide resected chips into a collection chamber during punch operation.

Segmented sleeve and rod design collects blood volume to assess circulation accuracy without increasing device complexity.

Integrated sensors in a teeth cleaning tray detect salivary analytes for real-time health data.

A pliable member uses micrometer-sized spherical projections to absorb interstitial fluid through intact skin.

A fluidic device uses an elastomeric insert to clamp biological specimens while maintaining optical clarity.

Segmenting the reusable handle from the disposable malleable shaft improves tissue access and visualization while reducing procedural costs.

A preference determination apparatus calculates autonomic nervous activity from visual, tactile, and auditory stimuli to assess user preferences.

A dysphagia test device applies percutaneous interference wave stimulation to the neck to determine individual sensory thresholds for accurate diagnosis.

A vaginal platform with capturing elements collects semen near the cervix to prevent flowback and act as a reservoir.

Protrusions with inclined surfaces engage recessed ledges in a second tubular member, resolving the trade-off between secure sealing and easy separation.

A transmission lever connects the activation rod to movable jaw members, eliminating free play and ensuring precise force transmission.

A heat-shrink polymeric jacket secures surgical navigation sensors to lead wires without soldering or crimping.

Translating gears convert drive gear rotation into axial motion, reducing the number of required inputs while increasing articulation force.

A catheter device with a flow control valve separates initial fluid from subsequent urine for sterile collection.

Pathogen volatile organic compound sensors enable real-time wound infection detection, eliminating laboratory delays and supporting timely antibiotic therapy.

A power input section increases wire pulling force to maintain end effector grip.

An integrated absorption collector compresses to release liquid samples directly onto a testing area.

A link mechanism converts linear wire motion into precise jaw rotation, maintaining consistent half-open states despite curved sheath shapes.

A hollow handle connects a collection tray to a specimen bottle, allowing urine to drain directly via gravity for sanitary storage.

Progressive tooth lengths in segmented forceps prevent tissue slipping and improve sample collection reliability.

A gas barrier layer suppresses external permeation to maintain accurate oxygen readings in fresh urine flowing through the lumen.

A motorized reel apparatus automates stylet wire deployment and retrieval using a DC motor-driven spool mechanism.

Electronic sphygmomanometer aggregates pulse wave intervals across multiple measurement occasions to detect atrial fibrillation.

A condom-based insemination device uses a reinforced cup to cap the sheath end, enabling precise semen placement via an attached delivery handle.

A steerable arm uses a single wire to bend a resilient nitinol tube, enabling precise curvature control within tight spaces.

A hollow probe cutter with an angled and rounded tip severs tissue using axial motion to reduce patient trauma during biopsy sampling.

Threaded engagement between a linear portion and engaging portion adjusts the forceps opening angle, improving reliability while reducing device complexity.

Automated medical system controls treatment instrument speed via detection sensors, resolving manual switching complexity and improving operational accuracy.

Segmented nanobots with nested biosensors enable continuous cellular-level diagnosis while managing structural complexity and energy consumption.

Segmented spring-loaded nosepiece locks jaws open to prevent accidental closure during tissue sample removal.

An ingestible device uses an onboard accelerometer to measure motion metrics for autonomous location identification within the gastrointestinal tract.

A biopsy planning system calculates maximum reach depth from imaging data to guide accurate lesion targeting.

A vestibular analysis system subtracts catch-up saccade angles from head position data to calculate VORgain ratios.

Segmented operation mechanism with ball-bearing slider releases rotational strain, preventing rotation jumps during precise forceps direction adjustment.

Curved engagement surfaces on a thin film holder space the bottle from the surface, preventing rolling while maintaining compact storage.

A caregiver-centric workflow system tracks patient vital signs and locations to display grouped clinical data on a unified interface.

A coil sheath restores a medical bending portion to its neutral position, resolving wire looseness and friction that hinder accurate operation.

A bone biopsy cannula uses a sliding plate with inward-bending teeth to grasp the tissue sample securely.

A catheter drainage system uses a venturi pump to enhance fluid flow through the interior.

A single pull wire rotates and moves to control a medical end effector, resolving the trade-off between device size and steering precision.

A compact device applies a controlled jet of high CO2 gas to stimulate corneal nociceptors and induce maximal reflex tear secretion.