Surgery TRIZ Cases

Stores matched still images from different endoscope light beams in one step, minimizing blur, flicker, and positional deviation.

Adjustable stop elements give clear tactile feedback at maximum endoscope deflection while protecting control wires and simplifying assembly.

Touch and motion features from built-in smartphone sensors are combined to estimate stress in real time without wearables.

Simultaneous foveal and peripheral retinal stimulation with OCT mapping reveals short-term choroidal changes for faster lens design assessment.

Interconnecting frame segments and locking mechanisms expand wound exposure, prevent blade migration, and speed setup without table fixation.

Stored and startup-measured hysteresis adjust lens wobbling in endoscope AF control to keep focus stable after sterilization and aging.

A receiver-subset trilateration approach improves endoscopic capsule localization despite interference, patient variation, and fewer sensors.

Built-in encoder and knob sensing track endoscope rotation and image sharpness, improving realism and feedback in endoscopy training.

Elongated openings, spike layout, and insertion-depth control reduce pressure drop, hemolysis, and vein collapse during blood draws from PIVCs.

A self-heating shape memory wire and flexible sheath enable endoscopic probe steering without fluid lines, cooling hardware, or added shaft space.

Appearance-based checks suppress endoscope size output when camera position is unsuitable, improving measurement reliability.

A distal-tip guidewire channel lets one expandable basket capture stones precisely while reducing coupling steps, extra tools, and injury risk.

Integrated LED lighting and lateral blade stabilization improve visibility, patient comfort, and single-use hygiene in vaginal exams.

Dual traction wires and a pull-release drive let one catheter bend in two directions for accurate positioning in distorted vascular sites.

A mother-daughter endoscope setup routes both imaging feeds through one cable and display unit, reducing OR clutter and extra capital equipment.

Non-linear harmonic sensing separates surgical magnetic marker signals from tissue, tracers, and metallic tool interference for precise localization.

Separate polarized readouts isolate specular reflections from back-scattered tissue light, producing clearer medical images with better detail.

Adjustable light source to image sensor spacing improves endoscope tip alignment while sealed housing limits liquid ingress and electrical leakage.

A flexible disc and slotted extra-arterial shoe improve sealing on irregular or calcified vessel surfaces while reducing dislodgment risk.

Threaded coupling and anti-rotation features align a flexible endoscope tube precisely, simplifying low-cost disposable assembly.

Pre-triggered LED current control stabilizes pulse illumination timing in CMOS endoscopes, preventing close-range still image deterioration.

A detachable distal tip and working channel simplify duodenoscope cleaning and disposal while preserving viewing, lighting, and tool access.

A curved test rod with protruding absorbent pads enables one-step at-home vaginal secretion testing while limiting pad-to-pad contamination.

A phosphate inner layer anchors a hydrophobic polymer coating on medical magnesium alloys, preventing peeling and slowing harmful degradation.

Direct optical magnification and image sensing replace the eyepiece assembly in a rigid endoscope, cutting component count and assembly cost.

Heat, UV, or photocatalytic sterilization at the distal end keeps the channel, recess, and raising base sterile before instrument use.

Country-specific settings and embedded compliance messages let one video processor support multiple endoscopes offline across jurisdictions.

Measured voltage and current let the controller compensate cable resistance, limiting endoscope heat while preserving image quality.

Copper and molybdenum catheter conductors split conductivity and stress resistance to sustain shock wave output in calcified lesion treatment.

A dual-reservoir syringe mechanism diverts the first contaminated bodily fluid volume, preserving a cleaner sample for accurate microbial testing.

Chemical grafting makes PAEK hydrophilic to speed osteoblast growth and bone fusion while preserving strength and imaging compatibility.

Two spacing adjustment assemblies replace stacked shims in a tibial trial insert, improving proximal-distal accuracy and stability during surgery.

Physiological sensing and machine learning identify cycle phases and fertile windows for more reliable non-hormonal contraception.

A two-piece handle and shaft instrument improves endoscopic spine implant placement and controlled release while reducing tissue injury.

An optical correction element shifts parallel beam paths to shrink image spacing on one sensor, improving CIT endoscope 3D resolution.

Wire tension sensing and adaptive limit control preserve medical manipulator bending angle while reducing overload and wire failure risk.

A retaining ring inside the glenoid reamer head prevents ball hex driver drop-off during alignment while still allowing easy removal for sterilization.

A rotation suppression member adds friction at the handle bottom to prevent insertion-part rotation while improving endoscope assembly workability.

Selective locking, split bearings, and rack-and-pinion control let cranial and caudal retractor arms move independently or equally during spinal surgery.

A threshold-torque slip clutch lets an articulation knob take up wire slack beyond hard stops, preserving full distal tip motion.

A three-block universal connector guides endoscope hook-ups outside the reprocessor to cut manual touch and cross-contamination risk.

A heated porogen-displacement process forms a porous polymer surface layer that supports tissue integration without sacrificing shear strength.

Absorbable biological wrapping reinforces the reduced stomach to limit dilation, preserve peristalsis, and help prevent weight regain.

A calibrated bottom discharge and vented lid extend liquid residence time, prevent air bubbles, and improve uniform washing and sterilizing.

Supporting areas shield sharp prong tips during closure, reducing vessel and surrounding tissue damage while preserving clip piercing function.

Flexible molds form undercut microneedle arrays in a single pull, enabling precise skin deposition, lower doses, and pain-free delivery.

Dynamic laser patterns and mirror position signals enable compact endoscope depth profiling on low-light, homogeneous surfaces with lower energy use.

Capillary channels and a recessed closure guide blood flow to cut sample wastage, reduce dead volume, and support diagnostic instrument use.

Heat-driven desorption from a breath molecule collector enables rapid THC quantitation and clearer THC-CBD differentiation in portable analysis.

An internal suction passage and fan-shaped blade evacuate plume, smoke, and fluids while improving grip comfort and visibility in surgery.

Segmented optical groups and intermediary diaphragm reduce halation while maintaining mass production processability.

A processor sets priority degrees for support information to manage display visibility on an endoscopic image observation device.

Varying braid angles along the shaft resolve the trade-off between proximal pushability and distal steerability for chronic total occlusion access.

Tapered ends with annular barbs on the repair apparatus enable secure friction fit for reattaching tubular structures, reducing procedure complexity and cost.

Photocrosslinked amorphous elastomers eliminate crystalline regions to ensure homogeneous degradation and prevent toxic inflammatory reactions.

Handheld intraoral camera sleeve integrates a pressurized fluid nozzle for cleaning the transparent protective cover.

A reprocessor switches a connector between sealed and unsealed states to introduce gas for fluid removal.

Segmenting the frame body reduces weight while an intermediary tabular member prevents component interference, ensuring stable movement and efficient assembly.

A stacked semiconductor image pickup module uses a resin layer to protect solder bonds between vertically bonded devices.

Comparing two independent speech analyses prevents incorrect commands, resolving reliability issues in safety-critical medical applications.

Horn-shaped channels in a biodegradable stent direct secretions inward, reducing infection risk at the suture site.

Hardware storage units select image processing parameters based on switching timing to reduce software load.

An endoscope system detects low visibility states by analyzing treatment instrument position within the image pickup region using specific markers.

Spherical retainers apply constant clamping force to a resorbable covering member, reducing surgical time and leakage risk.

Optimized focal length ratios between lens groups secure exit pupil distance, reducing shading while maintaining wide field angles for megapixel sensors.

Segmented cylinder design clarifies flow rate differences between correct and incorrect connections, enabling accurate detection by cleaning apparatus.

Common pulse modulation drives semiconductor light sources with set amplitude values, maintaining wavelength balance during intensity adjustment.

A vessel marker deforms to engage the inner wall of a blood vessel, providing a stable position notification shape for radiation irradiation.

Segmented housings replace fixed U-joints, enabling quick angle changes without multiple pre-configured drivers.

An interface device uses optical data conduits and lenses to transfer high-speed signals between connectors.

A vascular closure catheter features a distal rapid exchange port positioned beyond the balloon to guide device advancement through vessel punctures.

An assisting portion urges a sliding cylinder to reduce rotational force, preventing unintended movement during precise positioning.

An ultrasonic mouthpiece generates vibrations within a fluid reservoir to remove plaque and bacteria from teeth.

Intermediate image relay and plane-parallel plate reduce lens diameter while correcting aberrations for compact endoscopes.

A magnetic coupled actuator moves an optical lens via non-contact force transmission through a sealed barrel wall.

A two-compartment urine diagnostic device uses a valve-controlled opening to direct fluid flow from the collection chamber to the lower diagnostic strip.

An inflatable transparent dome at the scope tip minimizes colon stretching and prevents perforation while ensuring clear visualization.

Segmenting the reusable optical-illumination module from the disposable insertion tube eliminates cross-contamination risks while reducing sterilization costs.

Harvesting cartilage plugs from femoral osteophytes enables precise acetabular defect repair using specialized reaming techniques.

Polyurethane mesh integrates ascorbic acid via chemical bonding to enhance collagen formation while maintaining structural integrity.

Rotating the second dilator aligns its window with specific electrodes, determining nerve direction to prevent damage during spinal surgery.

A universal catheter sheath accommodates multiple device types through a nested bore design.

A non-uniform elastic seal maintains contact pressure during inclined attachment, resolving the contradiction between ease of operation and watertightness.