Surgery TRIZ Cases

A wearable device detects patient actions by communicating with environmental proximity tags to track daily living activities.

A medical imaging system uses multi-wavelength illumination and spectral filtering to generate image data sets that distinguish calculi from surrounding tissues.

A tubular covering member with adhesive sections attaches to the endoscope distal end for thorough cleaning.

Nesting the valve and cap inside the balloon cavity eliminates external protrusions that cause tissue trauma and migration.

A filter loop with a flattened tip region captures embolic debris while maintaining structural simplicity and visibility through localized radiopaque markers.

Distal guide features on a lithotripsy shaft maintain stone contact to resolve the trade-off between tissue damage and fragmentation efficiency.

Feedback control synchronizes excitation and illumination light amounts to resolve noise and color balance trade-offs in fluorescent medical imaging.

Microstructured fabric surface creates adhesive forces via capillary action, eliminating mechanical fixation trauma.

Threaded slides in the catheter control handle convert rotational knob motion into linear wire displacement, resolving bulk and deformation issues.

Dynamic display switching prioritizes front view magnification for treatment precision, resolving visibility trade-offs during insertion procedures.

An inclined surface on an endoscope operation device prevents finger interference and stabilizes bending knob control for various hand sizes.

Navigation-assisting catheter uses embedded sensors to detect tissue contact and provide directional feedback.

A rhomboidal prism block expands the entrance pupil to increase stereoscopic disparity, overcoming the limited working distance of monoscopic endoscopes.

An array emitter system selectively powers individual cells to emit targeted X-ray radiation for precise procedural imaging.

A dual-switch heating circuit prevents thermal damage from semiconductor failures by using a mechanical relay to cut power when temperature control fails.

Variable coupling system adapts to different eyepieces, resolving mobility constraints while maintaining image quality.

Segmented haemostatic valve holds guide wires in separate resilient interface regions, preventing entanglement during thoracoabdominal aneurysm treatment.

A surgical drill integrates a retracting enclosure and motor to move the drill bit between extended and retracted positions.

Segmented optical fibers route light from selectively activated sources, reducing heat stress in compact endoscopes.

A surgical imager detects feature position changes to estimate applied forces on an elongated probe.

Nested elongated members enable multi-directional shaft bending while preventing buckling and rotational movement during endoscope operation.

A three-lens objective system uses aspheric resin elements to achieve a 130-degree field of view.

Disposable elastomeric gripper prevents cross-contamination and reduces operator hand pain by maintaining high friction on lubricated shafts.

Nested inner channels in the control element and base body guide the bendable body, resolving handling complexity while maintaining structural stability.

A nested drive mechanism inside an implantable chamber moves a displacement member through a septum, reducing repeated skin incisions and infection risks.

Nested sampling chambers in one needle gather multiple tissue cores from the same site, eliminating reinsertion and reducing procedural complexity.

A portable computing device monitors wireless connection status with a medicine delivery unit to detect separation events.

A cross-linked amniotic membrane wound covering inhibits scar formation and facilitates healing by forming a physical barrier.

Multi-axis blade adjustment customizes portal geometry, reducing tissue disruption and eliminating sequential dilator placement.

Elastic rotation preventing portion biases a sheath flap inwardly to maintain guidewire lumen alignment.

Alcohol wetting transforms a dense drug layer into a porous, chalk-like coating on the vascular endoprosthesis to improve active substance release.

Sealing plugs block air/water ports while detergent flows through suction channels, removing biofilm that routine cleaning misses.

Variable-diameter endobag assembly overcomes restricted working diameter limits of introducing rods by adapting to trocar sizes.

A flexible probe with a retractable wire adjusts stiffness to navigate complex anal fistula tracts.

A pulse wave measuring apparatus uses differential amplification and integration to extract transit time from voltage differences between two sensing points.

Anterior-lateral rib and concave cavities integrate tuberosities to prevent necrosis from blood supply disruption.

Fluid pressure inflates a sleeve to move the endoscope, reducing friction and trauma during insertion.

Composite elastomeric cover member reduces roller friction for reliable driving force transmission while enabling visual verification of sterilization cycles.

Segmented design separates reusable imaging electronics from a disposable cannula, eliminating complex decontamination while maintaining image quality.

Reversible bilateral illumination attachment projects light from both sides of a tooth to enable sub-enamel imaging with dental cameras.

Tubular plug occludes gap between catheter and introducer sheath to reduce blood flow obstruction.

A multidirectional endoscope uses a self-locking bending mechanism with conical faces and springs to enable stepless positioning.

A patient monitoring system uses segmented infrared and visible light detectors to capture electromagnetic radiation for physiological data.

Wireless power transmission eliminates external cables, reducing scope weight and enabling free rotation during medical procedures.

A steerable catheter braking assembly locks the elongate member in a deflected configuration using rack and pinion gears.

Merges broaching and trial placement to resolve complexity trade-offs while ensuring accurate bone alignment.

Segmented rigid and flexible members allow a vaginal drug delivery device to squeeze for insertion while maintaining programmable pump control.

A light source apparatus switches between field sequential and simultaneous lighting modes to optimize narrow band imaging.

Dynamic view selection reduces bandwidth and complexity while enabling look around capability in multi-camera endoscopy.