Surgery TRIZ Cases

Pseudo load capacitive coupling enables instantaneous V-LED emission, preventing color mixing and image distortion in endoscope systems.

A medical motor drill features a bendable drill unit and angle adjustment mechanism.

Segmented achromat arrays resolve the trade-off between minimal diameter and high brightness, enabling clear imaging in bariatric endoscopy.

A two-section light transmission part filters large-angle rays to reduce thermal load on the light guide while maintaining high luminous flux output.

A resorbable PGA fabric device impregnated with collagen and patient blood supports immediate cartilage regeneration at the surgical site.

Tertiary amine cured epoxy resists hydrogen peroxide plasma degradation to maintain adhesive strength after sterilization.

An endoscope system adjusts reference data using preliminary imaging of normal tissue to calculate oxygen saturation levels.

A paper-based steam sterilization indicator pack uses layered adjustment sheets to regulate steam flow and ensure uniform penetration.

A grasping tab integrated with a self-sealing valve enables fluid adjustment of an intragastric balloon.

A clot retrieval catheter features a braid-supported tip that expands from a compressed delivery profile to a larger operational diameter.

Side-pointing cameras on the endoscope tip detect polyps hidden in body cavity folds, resolving blind spots inherent to single-front-view designs.

A photoelectric volume pulse wave device detects vascular baroreflex-related sympathetic activity through beat interval correlation analysis.

Segmented chambers and a floating seal preserve high-concentration sample portions by preventing dilution and leakage during transit.

A segmented bone drill assembly features a flexible distal portion that articulates between straight and curved configurations.

Replacing prism elements with mirrors reduces overall system length while correcting aberrations for high-performance oblique viewing.

Nested sealing protrusions between modular cartridges resolve leakage issues while enabling production of large molecule delivery systems.

Ozone-treated silver composite coatings sustain antimicrobial ion release while preventing corrosion and immune responses.

A central venous filter uses a shape memory collar to detach from the catheter body for retrieval.

A detachable tissue holding part rotates within a tubular organ model to position synthetic samples for endoscopic procedure simulation.

An automated vascular closure device with a biodegradable footplate eliminates manual tactile manipulation to ensure precise arterial puncture sealing.

Optimized focal length ratios balance brightness against depth of focus for stable high-resolution imaging.

A sinus guide system integrates an endoscope channel to enable adjustable viewing aligned with instrument movement.

Covalent hydrogel coatings resolve thrombosis risks by resisting protein adhesion while maintaining optical clarity and diffusion.

Segmented endoscope cover breaks at a fragile portion within a gap, enabling easy removal without damaging the distal framing portion.

An aspiration device uses a pump and controller to apply negative pressure via an aspiration catheter.

Antibody-functionalized microcantilevers detect SARS-CoV-2 antigens via nanomechanical bending, replacing RT-PCR thermal cycling to reduce turnaround time.

A single eccentric gear unit converts unidirectional rotation into oscillating motion for medical tools.

A breath collection apparatus uses a controllable piston chamber to manage exhaled gas volume and flow rates.

A surgical tool holder integrates an incremental retraction mechanism to draw and hold retractors under tension.

A bending lever tilts in all directions while an engagement pin slides within a long hole to guide the operation mechanism.

A video processor acquires light source correspondence information from an external device to perform signal processing.

Segmented single-mode fibers replace bulky galvanometers, enabling volumetric imaging in minimally invasive surgical procedures.

A dual-function ultrasonic instrument uses distinct material properties to abrade bone and cartilage.

A medical device uses an expandable cage scaffold to capture scattered kidney stone fragments, reducing procedure time and tissue trauma.

Holder with light source illuminates examination region, improving patient positioning while reducing gantry structural complexity.

Endoscope processing device selects designated frames based on sharpness and contrast properties, resolving blurry capture issues caused by camera movement.

A two-part eyepiece cone design enables electronic component placement within optical endoscopes.

Processor segments observation modes into main and sub-modes to resolve switching flexibility versus device complexity.

Pulse driving and modulation maintain wavelength balance despite nonlinear LED characteristics, improving narrow band observation quality.

Segmented wire guides stabilize endoscope bending by eliminating repulsive forces that damage internal components.

An external magnetic field moves a spring-loaded plunger to connect battery terminals, enabling remote power activation while maintaining hermetic integrity.

An osmotic gradient from fluid infusion raises skin blisters, enabling precise micrograft harvesting while reducing donor site trauma and curling.

Dual imaging modules capture non-overlapping ranges while a control section adjusts intervals based on detected capsule speed.

Disposable anastomosis leak tester uses a pressure relief valve to signal reached air pressure, preventing over-inflation of the bowel.

Brazing connects the spindle mounting element to the hollow dome, ensuring durable cutting efficiency across varying grater sizes without complex interfaces.

A radial head trialing device uses a stem component with interchangeable snap-fit head components for precise prosthesis selection.

A biodegradable polyurethane scaffold supports cardiac tissue regeneration while degrading to allow native replacement.