Surgery TRIZ Cases

See how torsion and compression springs apply preload forces to enable a robust push-push coupl

See how a toilet seat cover with integrated trap and specimen collector blocks aerosols and spl

See how polyurethane coating and ultra-short pulse laser cutting stabilize textile edges to pre

See how protruding spacers maintain a gap between the collection aperture and toilet bowl to pr

See how toilet-seat-mounted color cameras capture feces surface images before water immersion t

See how precoating biotextile with polyurethane and ultra-short pulse laser cutting stabilizes

See how a multi-edge squeegee removes over 75% of residual water before towel use, extending to

See how hydration-driven alpha-helix to beta-sheet conversion increases spider aciniform silk s

See how a recessed toilet channel with a movable transparent wall compresses fecal samples into

See how a biodegradable hydrophobic polymer coating reduces silk fibroin water uptake by 50% an

See how a toilet seat imaging unit activates only when seated and closed, preventing privacy vi

See how color-coded mats and markers create a universal visual language for surgical site verif

See how a toilet-mounted container with dual stoppers and pour spout reduces bio-contamination

See how individually controllable inflatable chambers shift pressure points across the body to

See how a corner-mounted foot exfoliator integrates heel well abrasion and multi-coarseness scr

See how solution-coating biotextile with polyurethane before ultra-short pulse laser cutting st

See how a consumable material on a toilet shelf separates feces for spectral and gas analysis,

See how a merged cartridge system enables independent bowel movement management by combining st

See how alkaline immersion with C1-C4 alcohols strengthens collagen films, resolving the contra

See how a shape memory alloy wiper mechanism enables in vivo lens cleaning for surgical cameras

See how a movable X-ray shield integrated with seating support reduces physical workload and im

See how a segmented slat design with pivot hinges and corner balls enables foot and toe hygiene

See how a toilet-seat PPG sensor array conditionally combines contiguous sensors based on signa

See how textured silicone surfaces and 50-300 Hz oscillating motors remove contaminants without

See how a spring-loaded clamp attaches two medical devices for one-handed operation, reducing p

See how carboxymethyl and hydroxypropyl chitosan fibers solve inflammatory reactions and slow d

See how controlled calcium chloride treatment and formic acid re-stabilization preserve silk me

See how a composite fibrous structure combining calcium carboxymethyl cellulose and chitosan ac

Oscillating motors drive silicone touch-points at 50-300 Hz to lift oil and contaminants while avoiding harsh skin abrasion.

A sealed bag, funnel, and variable-flow nozzle simplify home stool sampling, reduce bio-contamination, and ease lab specimen disbursement.

Adhesive fixing and a tear-off receptacle simplify bedpan chair waste removal while reducing cleaning, storage, and hygiene burdens.

Photo and motion sensing replace simple timers to detect bites, track calorie balance, and guide eating pace for weight control.

Bottom heating plates and a temperature sensor keep histology water baths at a set temperature for more reliable section handling.

A toilet-mounted soluble paper collector separates urine flow from stool capture, improving hygiene and flushable specimen disposal.

Multiple sensors combine motion, pressure, and chewing cues to separate true bites from false pressure and guide calorie balance in real time.

A vacuum-assisted breast cup locks prone breast tissue to fixed treatment coordinates for repeatable targeting and lower normal-tissue exposure.

A chitosan film isolates hydrogel from textile pores, preserving implant strength while providing bioresorbable anti-adhesion protection.

Partial silk disintegration followed by β-sheet induction preserves biocompatibility while restoring strength for implantable 3D silk structures.

Oscillating silicone touch-points use 50-300 Hz tapping to remove oil and dirt deeply while avoiding abrasive skin damage.

Diffusion bonding an alumina ring between titanium contact rings creates a compact hermetic lead connector without molded header defects.

A latching support bracket and orientation sensors let a portable monitor mount securely, flip freely, and keep videoscope images correctly aligned.

Color-coded interchangeable videoscope interfaces simplify correct cable matching and support diverse imaging technologies and viewing conditions.

Context-aware lighting highlights the right control-pad inputs during radiation therapy workflows, reducing search time and operator errors.

A slot antenna on a flexible circuit with a ceramic buffer helps a vaginal ring maintain stable Bluetooth communication through lossy body tissue.

A vacuum-insulated housing limits autoclave heat transfer to battery cells, reducing thermal degradation and extending cycle life in sterile instruments.

Thermally annealed graphene-coated agarose microbeads form a porous hydrogel that improves conductivity without sacrificing tissue-like softness.

Integrated varactor diodes and transistors give each metasurface antenna element independent magnitude and phase tuning for better beam steering.

Load absorption and intermediate springs spread pressing force across staged switches, preventing overload and shrinking endoscope control bodies.

Sandwich-bonded arm members secure the bearing in a compact endoscope optical unit, improving bonding strength and impact resistance.

An expandable implant reflects ultrasound near a blood vessel to ease sensor alignment and strengthen signals for long-term cuffless pressure monitoring.

A fluid-activated secondary battery triggers sensor startup only after insertion, preventing idle discharge and extending biosensor shelf life.

Image-based activation compares user photos with stored references to block manipulation in remote alcohol and drug testing.

Latch sensors verify secure module attachment before operation, protecting modular electrical connectors from fluid exposure and unsafe disengagement.

A detachable antenna and connecting piece shorten pipeline detector length for transport while maintaining stable electrical contact in use.

Integrated varactor ICs and transistor biasing let each metasurface antenna element tune magnitude and phase for stronger RF control.

An inner shield case holds the endoscope power reception coil in position during steam sterilization, preserving contactless power transfer stability.

Rotating a magnetic ball on two axes and tracking 3-axis field extrema enables simpler, accurate calibration for capsule endoscope orientation.

User image comparison releases an alcohol measuring device only for the authorized person, reducing remote monitoring manipulation.

Tissue impedance feedback signals cut completion in an ultrasonic surgical handle, helping avoid incomplete cuts, heat damage, and instrument wear.

Latch sensing and retained electrical connectors help modular patient care units avoid accidental disconnects, arcing, and moisture damage.

An elastic clamping insert lets endoscope support tubes lock at any position, enabling reusable optical parts and lower replacement cost.

Localized iontophoresis and a sweat-activated battery enable sweat sensing in sedentary users without external power.

Switching APD recharge periods from counter feedback preserves photon counting dynamic range and lowers power use under high illuminance.

Non-spherical marker forms and magnetic metallic glass improve directional uniformity, localization accuracy, and imaging visibility in tissue.

Deflection sensing detects real keypad presses through a sealed surface, reducing phantom inputs and protecting electronics during sterilization.

A segmented cartridge and po-go pin probe improve pad access and connection reliability for testing miniaturized biosensor chips.

A scattering layer around endoscope light emitters improves light use and illumination uniformity while reducing shadows and blind spots.

Physical keying and software checks stop misaligned probe insertion, protecting signal quality and reducing attachment errors.

A passive UHF RFID skin patch overcomes signal loss on high-water surfaces to enable continuous remote temperature screening in crowds.

Tissue impedance monitoring and staged ultrasonic power help separate vessel layers, improve sealing, and limit heat during cutting.

Compact magnetic markers use low-anisotropy shapes and soft magnetic materials to improve orientation-independent tissue localization through small needles.

A hexagonal wafer-level objective lens fits sub-1 mm endoscope channels without grinding, cutting cost while preserving optical area.

Multiple emitters, detectors, and optical barriers improve wrist oxygen saturation readings by reducing crosstalk and surface reflection.

Concurrent main and sub streaming lets display controllers show high- and low-quality video together while limiting bandwidth and processing load.

Multiple thinner wires per phase and compressed fused coils raise motor torque and power density while cutting current loss and heat.

A snap-fit button support with an elastic portion simplifies endoscope button mounting while improving pressing reliability and ease of use.

A mechanical switch paired with adjacent capacitive sensing enables safe apparatus motion with one finger while reducing strain and detecting switch failure.

Voltage feedback and delay-time control keep endoscope imaging power aligned with fluctuation timing, improving image quality with thinner signal lines.

Multiple optical paths, barriers, and mixed wavelengths improve wrist oxygen saturation readings by reducing crosstalk and tissue interference.

Flexible connector rings and visual alignment cues let one portable monitor support multiple videoscope types in upright or inverted use.

A high-fill-factor multi-wire phase set boosts surgical motor torque and power while cutting resistance, Eddy current loss, and heat.

A spacer with holding recesses keeps fine cable cores separated for accurate sensor joining, reducing breakage risk and manual assembly cost.

An internal line storage structure folds excess transmission line neatly, preventing squeeze damage during housing and line tube assembly.

A combined filter-collimator assembly simplifies X-ray beam shaping at discrete imager positions while preserving beam uniformity and limiting tissue exposure.

A flexible connector ring with alignment indicators helps videoscope cables connect in multiple orientations while reducing drop damage.

A boot-sealed suction valve stem with recessed slot and flat geometry improves endoscope sealing, avoids hydraulic lock, and limits backflow.

A relief surface and channel geometry lets the drill bit contact angled hard tissue first, reducing skiving and maintaining cutting pressure.

Micromilled mastermolds and spin-cast dissolvable microneedles improve dosage control while enabling painless, bloodless skin delivery.

A magnetic two-part coupling adds rotatable and pivotable instrument positioning in endoscopy, reducing fatigue and improving tissue access.

A modular clamp links two medical devices so one hand can manage both, while quick coupling lets the second instrument detach when needed.

Interference components key each endoscope fluid conduit so only the correct relay line can connect, preventing wrong hookups when visibility is poor.

A switch fitting and bypass path collect uncontaminated exudate samples inline while reduced-pressure therapy continues.

A pivoting handle and groove structure lets the monitor switch between default and inverted viewing for better image visibility in varied medical settings.

Over-molded seals and a simplified disposable valve assembly cut endoscope cleaning burden, clogging risk, and cross-contamination.

Venous imaging can link hemorrhoids to iliac vein obstruction, enabling angioplasty or stenting to relieve pressure and reduce recurrence.

Time-varying test light and reflected-light feedback confirm endoscope connection before high illumination, improving visibility without unsafe emission.

EEG-based SSVEP feedback tracks attention to task and emotional stimuli in real time, enabling lower-complexity training for anxiety and depression.

A biased elastic element replaces part of the pull-rope system to free bending-section space for thinner endoscopes in small cavities.

A split heat-spreader enclosure passively conducts PCB heat in sealed medical imaging hardware, avoiding fans while keeping temperatures safe.

Multiple silicone layers and meshes recreate skin, fat, muscle, and anatomy to mimic tissue variability for customizable surgical practice.

A laterally engaging wire-slider coupling simplifies proximal wire attachment and detachment while improving endoscope cleaning efficiency.

A bendable spray tip with a malleable wire helps deliver mixed tissue sealant into narrow surgical spaces while preserving spray quality.

A lubricated disposable endoscope valve uses antimicrobial materials to maintain sealing, prevent backflow, and reduce cross-contamination.

Distinct magnetic pressure zones adapt to varying tissue thickness, improving anastomosis sealing while reducing tissue damage and invasiveness.

A decellularized ECM sleeve pocket isolates implantable devices from tissue contact to reduce infection, inflammation, scarring, and device movement.

A curved four-sided lightguide redistributes LED output across the endoscope view, reducing center glare and dark image corners.

A funnel-shaped tethered retriever stabilizes tilted IVC filters and closes the capture aperture with less user input for precise removal.

A latchable steering cam keeps endoscope wires untensioned until use, preventing shape distortion while reducing packaging and storage needs.

A biodegradable tubular seal with adhesive supports the anastomotic site, preventing intestinal leakage, contamination, and sepsis.

Controlled injection across odd-spaced mould sub-cavities shifts weld lines away from endoscope hinges, improving bending section strength.

A movable handle wing creates adjustable hand spacing so endoscope operators can relax grip force without losing control during long procedures.

Negative pressure during body fluid removal deforms the lid or container to open an air gap, enabling automatic venting without manual lid removal.

PPG and force sensing estimate blood pressure from pulse amplitude versus applied pressure, avoiding bulky inflatable cuffs for continuous wear.

Separate membrane coatings and paired enzyme areas let one sensor detect glucose and ketones accurately while avoiding multiple in vivo sensors.

Two focus-shifted sensors share one optical channel to capture overlapping laparoscope images with depth information and no extra registration.

A falling bob and traction rope apply controlled interference during grip testing, enabling more natural hand movement and more accurate response evaluation.

Remaining charge is translated into executable catheter procedures using power-use history, helping prevent battery shortfalls during imaging.

A coated transparent tip housing helps endoscopes resist liquids and oils while preserving watertight sealing, optical clarity, and manufacturability.

A hermetic cover cap and embedded optical feedthroughs protect implantable sensor electronics from body fluids while enabling wafer-scale packaging.

Forward protective projections and a nozzle shield the endoscope observation window from contact damage without blocking the viewing field.

A soft nested tubular portion inside a hard joint prevents tool sticking and drop-off while keeping the endoscope channel compact.

An elastic member with an avoidance area increases deformation space, cutting endoscope lock-switching resistance while preserving self-locking.

A light-shielding body between white and narrow-band emitters blocks crosstalk in endoscope illumination and preserves image color tone.

Capacitive sensors on the endoscope handle replace buttons to keep a constant image horizon while improving cleaning and user control.

A phase-separated polyurethane leaflet material uses controlled chain extension to improve fatigue resistance, biocompatibility, and valve durability.

Normalized input-output spectra let engineers compare endoscope NIR transmission consistently despite design and tolerance variation.

Pressurized atomization turns haemostatic paste into adhesive droplets that resist blood flushing and stop bleeding without manual compression.

A crosslinked polymer and biodegradable resin film improves surgical re-attachability without a solubility-control layer, limiting swelling and cost.

Controlling PGA content, molecular weight, and matrix viscosity keeps particles uniformly dispersed, improving film shape retention and tear resistance.

A single sinus probe combines balloon dilation, aspiration, fluid delivery, and trans-illumination to cut procedural steps and external equipment.

A passive oscillation valve adds pressure pulses during low-flow aspiration to clear catheter clogs and avoid cavitation without user intervention.

A rotating screw-like tip draws cervicovaginal fluid into a protected swab chamber, reducing contamination, sample loss, and collection time.

A self-sealing swallowable gastric balloon enables non-invasive placement, timed inflation, and later deflation with less discomfort.

Pre-rising the LED current setting signal before frame exposure stabilizes illumination timing and prevents still-image deterioration in CMOS endoscopes.

A telescoping catheter injects contrast on both sides of the shunt tract, enabling accurate TIPS tract measurement with fewer device exchanges.

Using copper with molybdenum in catheter electrodes preserves flexibility while reducing shock-wave wear and sonic output loss.

Tracks a long medical device against a blood vessel model to avoid pre-measured magnetic mapping and support accurate real-time guidance.

Protective and stress-relief films on barrel slide surfaces prevent corrosion powder and friction rise in VCM-driven endoscope focusing.

A separate gatekeeper signal confirms compatible sensor and cable attachment before patient data is processed, avoiding false readings and monitor damage.

Reactive bottlebrush polymers use terminal moieties to crosslink quickly in vivo while retaining CT radiocontrast for safer organ spacing.

A textured lid seal vents air while staying fluid-tight, preventing headspace vacuum and improving specimen tube fill consistency.

A force-measuring pedal assembly simulates lower-limb weightbearing in CT and MRI scanners without requiring complex vertical-bore systems.

A molded smooth barrel and lens holder cut wear debris, capture particles, and improve endoscope lens alignment and focal adjustment.

An integrated scope handle combines shaft movement and suction control in one hand position to reduce fatigue and improve procedural safety.

A squeezable abrasive prep applicator combines dispensing and scrubbing to speed scalp preparation and avoid cotton-tip breakage during EEG setup.

The distal tip uses controlled longitudinal and transverse vibration to anchor in calcified occlusions and limit sub-intimal migration.

Integrated conductors let a respiratory belt measure breathing effort while stabilizing a compact recorder for comfortable home sleep screening.

Conventional grippers can damage ticks and transfer pathogens; rotating fibers detach them intact within the puncture site.