Surgery TRIZ Cases

A widened transmission window beside the band-pass filter reveals non-fluorescent tissue while preserving fluorescence contrast and simpler light control.

A resin light guide layer around endoscope image fibers spreads illumination more evenly, reducing gaps, light waste, and unstable emission.

A molded one-piece suction chamber and piston assembly cuts endoscope valve parts, assembly time, and production cost.

A PLGA-PEG matrix releases antibiotics at the implant surface to cut post-implant infection risk and improve tissue compatibility.

A flexible helical auger conforms to the medullary cavity to collect bone debris through a smaller entry site with less blood loss.

A vacuum-assisted external urine collector uses wicking and antimicrobial materials to reduce spills, odor, discomfort, and infection risk.

Cable resistance is measured from held camera voltage so the control unit can trim supply voltage, cutting endoscope imager power use and heat.

A braided mesh with variable braiding angles conforms to vessel walls, stops proximal blood flow, and retains thrombus during extraction.

Multiple vibrators and an impact member let lithotripsy adapt acoustic frequency to stone composition, improving fragmentation and shortening procedures.

Electrical conductivity sensing triggers automatic drill braking near tissue boundaries, improving surgical precision without repeated imaging.

Usage-count detection triggers image correction data overwrite, helping endoscopes maintain image quality and prevent misuse after limit.

Fluid-expanded compliant members stabilize endoscopic instruments at the duodenal papilla, improving ERCP cannulation precision and access.

A sealed sterile package keeps the endoscope insertion and operation portions protected while leaving the connector accessible for inspection and hookup.

An anchored implantable sensor measures pump flow and residual cardiac output to improve total output monitoring in cardiac assist systems.

Separate suction and treatment channel openings redirect body fluids away from instruments, reducing bacterial adhesion risk.

Multiple hooks on a flexible thread keep tissue markers stable for placement more than 24 hours before surgery, easing scheduling and discomfort.

Switching APD recharging periods by count threshold cuts power use while preserving photon counting dynamic range under high illuminance.

Spring-loaded clamping branches and a handle sleeve create a secure endoscope channel mount while simplifying one-handed assembly.

A poly(TA-Cu) stent coating uses copper-catalyzed chemistry to speed endothelialization and inhibit platelet adhesion and thrombosis.

A hemispherical optical bulb integrates the imaging channel into a surgical port to keep images clear through body fluids while limiting guide diameter.

Image capture, target tracking, and ML recognition automate pet health data recording while reducing manual errors and monitoring cost.

Tilt sensing and alignment cues help users with tremors or poor coordination position eyedrops accurately and dispense them more easily.

Timed switching synchronizes endoscope light sources with sensor frames to prevent image misalignment across white light and narrow-band views.

Longitudinal and lateral slots improve spinal instrument access while a curved distal end maintains alignment and helps prevent tissue creep.

A touch UI splits the monitor into device-specific views so clinicians can inspect and control multiple scopes with less complexity.

External motor actuation gives nested imaging members independent motion to keep the surgical field visible through small laparoscopic ports.

A timing control module synchronizes endoscope light switching and frame capture to keep multi-light images aligned and continuously viewable.

Variable second-valve timing separates projectile return control from impact acceleration, improving pressure wave efficiency without raising pneumatic pressure.

A gear-driven selector lets one handle actuate multiple retractor blades, creating a faster and more reproducible surgical corridor.

A two-layer fluoropolymer coating uses high inner and low outer drug loading to curb burst release and sustain delivery beyond 30 days.

Combining video and control on one wireless channel reduces cable clutter while preserving low-latency, interference-resilient surgical feedback.

A reversible clamp and articulated support stabilize the endoscope while preserving axial and rotational movement to reduce fatigue and improve patient comfort.

Vibration, backflow prevention, and stable air pressure help deliver medical powder evenly through long endoscope conduits without clogging.

Physiological data is used to estimate menstrual state before infection prediction, reducing false positives from cycle-driven changes.

Combined tactile stress and ultrasound strain measurements quantify cervical elasticity for more reliable preterm birth prediction.

Separated wiring tabs and ground lines simplify intracavitary probe assembly while cutting crosstalk, noise, and wiring length.

A sliding-link telescoping platform supports long flexible endoscopes with compact storage and controlled extension in crowded operating rooms.

A distal cap, proximal actuator, and connecting wires give endoscope instruments independent articulation for faster, more accurate procedures.

Recessed woven occluder sections cut sheath wall contact during radial compression, easing delivery in small sheaths and lowering procedural risk.

Offset-hole buttons and ergonomic actuator placement cut finger movement, hand strain, and grip readjustment during endoscopic procedures.

A peristalsis-assisted sampling tube collects GI fluids in a linear reservoir to preserve sample purity, natural state, and patient comfort.

A tapered spacer and pre-applied adhesive improve wafer-level bonding of endoscope optics by defining the gap and reducing air bubbles.

An annular sleeve holds cleaning solution on an eye-imaging lens long enough to form a peelable polymer film without leakage or scratching.

A flush transparent lid covers the endoscope’s auxiliary measurement optics, preventing distal-end clogging while preserving accurate imaging and measurement.

A magnesium fluoride coating and dysprosium marker structure improve X-ray visibility while limiting galvanic corrosion and premature scaffold degradation.

Maps marked points on anatomical surfaces into 3D curvilinear measurements using endoscope calibration, virtual camera modeling, and mixed reality.

A shaped elastic basket wire tilts and expands to catch and eject gallstones lodged in the stepped bile duct papilla boundary.

A spring-backed image tube adapts its axial length to fit the endoscope sleeve accurately, improving image quality while reducing insertion damage.

Electrohydraulic cavitation bubbles fragment thrombus quickly through a catheter while aspiration removes debris with minimal blood loss.

A translational trigger drives a rotating magnet for precise handpiece control while shielding the sensor and circuitry from harsh conditions.

Distinct bends and a transverse fluid passageway in the magnetostrictive tool improve access to furcations while controlling vibrational amplitude.

Virtual magnetic elements interpolate position data to reconstruct endoscope insertion portion geometry, resolving small radius curvature detection limits.

Segmenting the container from the reusable test capsule reduces loss of expensive components while maintaining reliable specimen testing.

Magnetic attraction replaces invasive surgery complications by positioning intragastric devices to stimulate vagus nerves for sustained weight loss.

A hand-mounted imaging system integrates an illumination source and display to provide magnified blood vessel images alongside the needle insertion site.

Segmented nerve conduit design facilitates minimally invasive insertion of nerve ends into the device.

Cylindrical attachment with flow rate varying member adjusts medicinal solution entry to protect adhesive bonding portions.

Determines probe calibration precision through tracked intersecting image analysis, eliminating complex physical phantom requirements.

An inflatable sheath absorbs instrument forces and maintains lumen diameter, reducing hollow organ perforation risk.

Solvent evaporation control prevents creasing while maintaining transpiration for extended wear.

A medical system integrates an endoscope handle with a removable basket retrieval device for single-hand operation.

A wearable multi-sensor system detects bladder volume and moisture levels, reducing involuntary leakage incidents through automated patient alerts.

Adjustable distal and proximal engaging elements capture clots in a single pass, eliminating fragmentation risks associated with multiple passes.

An endoscopic assembly uses an electro-optical converter to transmit digital data via optical fibers.

Segmented frame components conform to patient anatomy while a central membrane maintains structural integrity and reduces cardiac load.

A light amount control unit adjusts illumination output based on photometric values from imaging data.

Segmented compartments and ventilation windows integrate backup equipment and documents into the container structure without blocking control panel visibility.

Tunable liquid crystal lenses adjust focus via electric fields to enable compact stereo imaging without mechanical movement.

An image processing device calculates registration parameters to align images captured with different observation lights.

A processor calculates optimal paths for an endoscope distal end using 3D shape information to guide insertion operations.

A slide sleeve retracts basket wires to reduce diameter, discharging captured foreign substances from the conduit line without entrapment.

Upstream filter basket captures emboli while Nitinol anchors secure the device, preventing vessel wall stress and flow blockage.

Segmented overtube with curved displacement face expands working volume and locks endoscope position.

A visual tooth cleaning instrument integrates a camera system and illumination to display real-time oral cavity images on a mobile device.

Metastable polymer compositions form lubricating surface layers to enable smooth intraocular lens insertion through micro-incisions.

An anti-rotation key prevents screw loosening during surgery, enabling independent tip replacement without discarding the reusable handle.

A porous nerve conduit uses micropores to guide axon growth and promote neurotrophic factor concentration.

An inertial sensor measures body acceleration to estimate ground reaction forces without laboratory equipment.

A tapered funnel structure guides urine flow into a specimen cup, resolving alignment difficulties and reducing spillage for vulnerable users.

A remodelable volumetric graft fills an anorectal fistula tract, preserving sphincter integrity while promoting biological closure.

Segmenting the distractor and balancer resolves complexity while maintaining precision, enabling optimal implant geometry selection.

A dual-swab oral fluid collection device uses a nested inner swab to store a duplicate sample alongside an outer swab for immediate analysis.

An endoscopic image capturing assembly reduces bulky size by routing conducting tracks through a holder's perpendicular surfaces, enabling smaller incisions.

A surgical elevator tip integrates an oximeter sensor to measure tissue oxygen saturation.

A dual operation grasping forceps uses a cord through loops to form a snare for secure foreign object retention.

A flexible outer cover with an internal tubular member directs cleaning fluid to the observation window of a rigid endoscope.

A curved cross-sectional retractor profile distributes pressure evenly across wound tissue during minimally invasive hip surgery.

Incorporating specific compounds into a polyester elastomer resin layer maintains adhesiveness and appearance after chemical disinfection.

Segmented instruction portions on a color-coded base eliminate tape unfolding, saving time during pediatric resuscitation.

Segmented hollow cutting elements and nested extraction mechanisms harvest autologous bone grafts through small incisions, reducing patient morbidity.

An integrated control lever merges endoscope deflection and basket actuation, enabling single-handed stone retrieval without assistant assistance.

Zinc-containing protector delays corrosion of absorbable iron alloy implants to maintain mechanical integrity during early implantation stages.

Multi-phase oxide coatings create negatively charged surfaces that repel pathogenic bacteria while maintaining biocompatibility for tissue integration.

Polymer filaments deliver stable vascular occlusion through microcatheters while remaining visible under fluoroscopy, CT, and MRI.

A wavelength pattern changing unit captures and stores images of multiple spectral patterns for training data collection.