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.