Surgery TRIZ Cases

Processor analyzes sequential FSH color trends to detect the first downward shift, enabling ovulation prediction five to seven days in advance.

Heated absorbent material in a horizontal chamber warms the scope, reducing thermal shock that causes lens fogging during insertion.

A porous metal layer coating provides radiopaque and ultrasound-echogenic properties on medical instruments.

Low energy shockwaves downregulate TGFβ expression to prevent fibrosis while avoiding kidney damage associated with high energy therapy.

Adjustable blade segments improve visibility by securely holding organs during deep incisions.

An endoscope control system classifies lumen images to determine insertion operation details using machine learning models or deterministic algorithms.

A surgical tunneling device handle rotates to multiple positions relative to the tunneling element for ergonomic maneuvering.

A toothbrush biometric monitoring system integrates a multimodal sensing layer to capture oral fluid biomarkers and generate diagnostic signals.

A catheter collection chamber captures non-liquid masses using a dynamic seal mechanism to isolate fluid flow during aspiration.

A biocompatible polymeric coating uses phosphorylcholine monomers to prevent protein absorption on contact lenses.

A three-lens resin optical system corrects aberrations using specific refractive power distributions.

Nested lumens in a rapid exchange microcatheter maintain arterial access and support the vessel while removing clots.

A spring-loaded retractor blade maintains constant downward pressure on the spine to ensure stable surgical exposure.

A motorized endoscope housing drives the bending portion to reduce manual operation force.

Segmenting the fixation into an inner granular-filled balloon and outer liquid-filled balloon prevents dislodgement when one component collapses.

A lens driving processor drives a zoom lens to capture continuous images for computational focus selection.

A gaze tracking evaluation apparatus calculates movement counts between determination regions to assess subject focus.

Segmented power source units with back-to-back FET switches resolve heat generation and voltage degradation by selecting appropriate voltage levels.

A double-layered medical membrane pairs a hydrophilic layer with a hydrophobic electrospun layer to secure wound attachment.

A nasal administration device directs a collimated medication stream to the eustachian tube using alignment tabs anchored to facial landmarks.

Adjustable brake mechanism restores locking force in endoscope bending shafts, eliminating part replacement costs from friction wear.

Segmented arm units move independently across anatomical planes to distribute force and prevent tissue damage during cardiac access.

Laser tracker measures displacement vectors to correct geometric deviations, ensuring accurate 3D image reconstruction.

Anchoring against the vessel wall, a bioabsorbable closure device seals openings without prolonged bed rest.

Inverting the control element to a proximal position on the grip body improves transmission precision of pivoting movements while maintaining ease of operation.

A detachable sealing member isolates internal lever components from body fluid contamination while allowing cleaning liquid flow through the distal end channel.

A saliva suction device uses a non-porous soft body to prevent air entry while maintaining patient comfort.

Segmented fluid supply systems eliminate frequent bottle changes and contamination risks during endoscopic procedures.

Segmented copolymer with distinct soft and hard phases enables controlled therapeutic agent release while resolving processing temperature constraints.

A stent applies distinct inner and outer coating compositions to minimize undesired patient exposure while maintaining reliable surface retention.

A single ultrasonic probe merges annulus incision, nucleus removal, and end plate preparation to reduce procedural time while preserving bony tissue.

An air gap between a metal thin film shield and the image sensor prevents electrostatic destruction while blocking unnecessary light.

Electronic light source switching replaces mechanical apertures to eliminate measurement errors from moving parts.

Two-compartment phantoms with adjustable outflow valves simulate perfusion to validate DCE-CT calibration and reduce motion artifacts.

Integrates a positive-power transparent-plastic tip lens with the endoscope main body via two-color molding to create a unified optical component.

Bio-resorbable coatings on retainer members delay vessel wall engagement, preventing longitudinal migration during deployment.

An intermediary cleaning device attaches to the endoscope distal end and employs a pivotable wiper to clear debris without removing the instrument.

Segmented catheter anchors in subintimal space while needle penetrates calcified plaque to restore true lumen flow.

Concentration gradient design maintains total drug payload during trimming, resolving the trade-off between anatomical customization and substance quantity.

High-MFR hydrogenated block copolymer stabilizes resin flow, reducing surface roughness to improve transparency and kink resistance in medical tubes.

A bone removal device with pivotable teeth that extend radially to widen bores.

A five-lens endoscope objective optical system corrects field curvature and comatic aberration through specific refractive index conditions.

Thermoformed conductive composites eliminate foreign film interference to provide real-time load data and reduce joint replacement wear.

A stereoscopic endoscope uses converging optical axes and tilted image capture sensors to direct light paths for high-resolution imaging.

Apparatus measures skin microcurrent to detect soft tissue injury severity, replacing expensive MRI imaging with rapid electrical conductivity assessment.

A flexible cover protects the connector end surface during insertion.

Positive gas pressure drives a capsule past intestinal valves, enabling non-invasive imaging of the entire tract without endoscopic invasiveness.

An infrared positioning system detects reference mark points to calculate offsets between image centers and isocenters, resolving manual alignment inaccuracies.

A radioactive monolayer coating emits low-energy electrons from a single atomic layer.