Surgery TRIZ Cases

A disposable rotor and detachable stator simplify blade changes, improve hygiene, and reduce injury risk in motorized callus removal.

Interlocking center-split halves and locking members stabilize the endoscope biopsy port connection, reducing separation, fractures, and exchange delays.

A touch-screen monitor logs stopwatch events and timestamp tables during medical imaging procedures, reducing manual timing steps and data loss.

Pre-acquired endoscope images are selected by blur, position, and brightness to store comparable stills with less flicker and misalignment.

A movable radial connector locks an overtube to an endoscope for rotation while avoiding surface contact that can damage the insertion section.

Dual self-expanding anchors improve clot grip in vessel bifurcations, enabling single-device retrieval with lower vessel damage risk.

An adjustable oscillating rasp prepares the glenoid for biconvex implants while minimizing bone stock loss across varying erosion stages.

Nested magnets inside a shape-memory coil create controlled tissue compression for minimally invasive, leak-free anastomosis with less injury.

Real-time control of broad and narrow endoscopic lights improves visibility across varying anatomy and helps shorten procedures.

Alternating white and infrared illumination is tuned to preserve visual continuity while enabling simultaneous normal and infrared observation.

User-guided image categorization helps auto-select report images that reflect diagnostic usefulness and personal preferences.

A removable collection chamber and stopper cover enable one-handed saliva sampling while preventing leakage, spillage, and extra assembly.

A flexible adhesive marker with a visible index and 70%+ microwave transmittance helps prevent missed or duplicated probe scans.

A mixed resorbable and non-resorbable fiber network gives early implant stability, then gradually allows motion as healing tissue regains function.

A tethered capsule camera reorients its internal lens for repeatable high-resolution organ views without rotating a rigid endoscope.

Independent rotors and steering control let an endoscopy capsule orient and move toward areas of interest, improving targeted in vivo imaging.

A dual-handle endoscopic release tool combines imaging and cutting with a self-dilating tip to improve visibility and reduce tissue damage.

A multi-hook marker with a flexible thread stays anchored up to 24 hours before surgery, reducing migration and same-day scheduling strain.

By moving the light source to the endoscope tip, this assembly avoids long optical fibers, reduces light leakage, and simplifies manufacturing.

Multiple inflatable lumens and pressure sensors enable adaptive dilatation, regional profiling, and targeted therapy in one balloon dilator.

A rotary dual-lumen flow path isolates the first contaminated bodily-fluid volume, improving microbial test accuracy after needle insertion.

Mirrored contact lenses extend OCT to the peripheral retina, enabling digital wide-field imaging for earlier retinal tear detection with less discomfort.

Time-dependent odor response profiles from receptor-expressing sensor cells enable more accurate health condition determination.

A transparent fastening ring, bayonet locks, and alignment markers help localize the dentate line, prevent rotation, and reduce tissue torsion.

A gimbal-jointed angled cutter improves access in knee, pelvis, and ankle surgery while reducing bone removal and preserving cutting precision.

An oblique retroperitoneal access path with a retractor and introducer enables stable L5-S1 disc implant placement while limiting vascular injury and scarring.

An articulating cutting bit uses a constant velocity joint to reach angled surgical targets while maintaining speed and reducing vibration and noise.

Gas-filled reflective elements in a hydrogel create a Doppler twinkling artifact, improving ultrasound detection of tissue margins without ionizing radiation.

A removable inner assembly and sterilizable outer structure protect chip-on-tip optics and electronics from autoclave heat, pressure, and moisture.

Biased legs and a delivery shaft lift cut tissue away from the treatment site, improving endoscopic visibility and tool access.

Alternating circumferential slits and a rope equalizer help a bendable tube transmit torque reliably while bending freely in tight spaces.

A movable shock wave emitter inside a fluid-filled balloon fractures calcified lesions while reducing pressure on arterial walls.

Acoustic cavitation signals are mapped to location and vascularity-linked indicators, enabling real-time monitoring of focused ultrasound drug delivery.

Automated rotation and axial motion control help an endoscope scan the full lumen wall more consistently and reduce missed lesions.

A wheel-and-axle steering assembly lets catheter wires be tensioned during assembly, cutting backlash, size, and manufacturing cost.

Force and paddle position data estimate breast contact area, enabling personalized compression pressure for better comfort and image quality.

An elastic packing on a movable endoscope piston improves suction conduit switching by sealing gaps, reducing leakage, and simplifying control.

A superelastic curved wire straightens for insertion, then re-forms to locate vascular punctures accurately for easier closure implant placement.

An expandable loop filter adapts to different vessel sizes, reduces vessel wall contact, and improves imaging-guided placement during debris capture.

Elastic mesh locking improves occluder fixation against pulsation and contraction while staying compact for secure use in small blood vessels.

Force and position sensing estimate breast contact area so mammography compression reaches target pressure with better comfort and image quality.

A silicone polyurea block copolymer coating creates durable, lubricious, antifouling surfaces for medical and other aqueous-use substrates.

Automatic plunger decoupling retracts the push rod after marker deployment, reducing tip shearing and foreign object retention.

A built-in deflection surface redirects fluid away from the suction port to create vortex flow that gathers stone fragments without enlarging the endoscope.

Integrally molded elastic plunger parts remove hard-to-sterilize joints and manual assembly in endoscope valve preparation.

Multiple jet openings around the endoscope tip improve cavity cleaning while preserving space for multi-camera viewing and tool access.

A movable breath shield built into a hand-held pupilometer blocks exhaled air and respiratory particles without adding a separate barrier.

A pivoted ramp elevator directs a medical tool through front or side endoscope openings, improving visibility and access without repositioning.

A projection-guided turning shaft couples endoscope bending tube members with lower sliding resistance and less operator-dependent assembly.

A wearable sensor network converts mixed medical device data into a unified format for real-time monitoring, alerts, and lower care costs.

A single outlet endoscopic fluid control valve uses elastic seals to prevent backflow without a check valve.

Deployable cameras in a tubular member widen the surgical field of vision without increasing device complexity or risking organ contact.

Segmented male and female elements house a capillary channel, enabling direct internal surface functionalization while preventing external contamination.

A longitudinally split intervertebral disc prosthesis enables lateral separation of bearing bodies.

Respiration detection feedback drives dynamic focus tracking to stabilize urinary stones against respiratory motion.

Copper-free click reactions attach azide-modified endothelial cells to hydroxyl-functionalized surfaces, preventing thrombosis in artificial lungs.

A compressible interlayer enables solid-state diffusion bonding between porous tantalum and cobalt-chromium substrates.

Embedded optical fibers detect collisions via light transmission changes, ensuring MR compatibility and preserving magnetic field homogeneity.

A driving force transmission mechanism for an endoscope uses inclined planes on a rotation transmission member to guide axial movement.

A monitoring system correlates endoscope insertion shape with operator hand movements to provide real-time operational feedback.

Segmented strata and antithrombogenic coatings secure the device against vessel walls while preventing thrombi leakage.

A surgical probe integrates an electrical potential sensor to detect nerve proximity and automatically attenuate ultrasonic energy output.

Assessing oxidative stress markers improves atrial fibrillation prediction accuracy beyond inflammatory markers.

A combined deflection control and lock mechanism integrates a pivotable control lever with a lock lever for one-handed operation.

A blocking member immobilizes the collection device within a liquid sample analysis housing to maintain stable positioning during testing.

A measurement device controller executes specific modes to enforce periodic operator testing and training protocols directly on the instrument.

Mesoporous diatomaceous earth core with covalently attached S-nitroso-N-acetyl-penicillamine groups enables sustained nitric oxide release.

An imaging optical system uses a birefringent phase modulator to generate two pupil functions that extend the depth of field.

A microneedle patch uses a diffusion-proof layer to confine active ingredients within the needle tip.

Polymeric protective sleeve isolates implant surfaces from abrasive media during automated tribo-finishing.

A silicone membrane with a nickel-titanium strip expands to create space for bone growth.

Exterior lumens route steering wires to minimize outer diameter and maximize interior space for medical navigation.

A dual-lumen medical device handle manages fluid delivery and suction via a movable switch assembly.

Dual actuators control curving section angle to resolve unpredictable release behavior in flexible insertion apparatuses.

A converter transforms low-volume high-pressure air into high-volume low-pressure airflow for patient support systems.

Threaded connectors secure secondary devices to primary endoscopes, reducing user fatigue and improving manipulation during procedures.

Transabdominal gastric cannulas position size-varying balloons via barbed anchors, preventing migration and reducing obstruction risk.

Delivers a standalone light source via an endoscope working channel to illuminate target anatomy without occupying dedicated illumination pathways.

Automatic spool mechanism applies tension to suture and advances compaction arrangement for sealing plug compression.

Oxidizing silicon nitride blocks creates a protective silicon oxynitride surface layer on orthopedic prostheses.

A rotatable valve assembly aligns internal passageways with ports to manage fluid flow in medical sampling systems.

Covalent bonding eliminates hydrophilic polymer migration that causes particulation, ensuring stable adhesion and lubricity.

Geomagnetic sensors detect magnetic field perturbations from neodymium-iron-boron markers to locate retained surgical items without complex electronic tags.

Checkerboard pixel arrays enhance dynamic range and spatial resolution, enabling precise laser mapping and color imaging within constrained endoscope spaces.

Radiolucent ECG connectors eliminate imaging interference by replacing ferrous components with carbon-based materials.

Ratchet-based locking reduces thumb force below 13.8 Newtons, preventing repetitive strain injuries during sustained one-hand operation.

An artificial ligament anchors to the clavicle and acromion using a lozenge-shaped intermediate portion for physiological micro-motility.

Curved housing and arch-shaped handle guide fluid application angle, preventing sample flooding in lateral flow assays.

Single aspherical glass lenses correct aberrations in a compact design, enabling autoclave sterilization and compatibility with high-resolution sensors.

A flexible endoscope tube uses a tapered outer coating with varying soft and hard resin thickness ratios to improve distal flexibility.

Segmented frequency channels and periodic duty cycles eliminate interference and reduce power consumption during capsule endoscope image transmission.

A correction component with optical power compensates for sheath-induced astigmatism, restoring image clarity.

A surgical instrument featuring a dual-mode collecting compartment for scraping and gathering bone particles.

Elastomeric fins prevent tissue blockages and bubble accumulation in sensing gaps, ensuring accurate blood detection.

Optical coherence elastography measures skin elasticity to prevent intravascular injection and embolic events.

A surgical drill tool uses sharp pre-cutting edges to define implant recesses.

A monoblock medical measuring device uses a single-piece body to mount strain gauges on an accessible flat face for stress detection.

A pocketed concrete anchor concentrates mass on high-stress areas to reduce raw material usage.

A transmission cable uses a high-strength fiber tension member to distribute mechanical stress along the optical core.