Surgery TRIZ Cases

An intervertebral fusion cage integrates a vibration sensor to measure mechanical responses from surrounding tissues and bone.

A wearable sweat sensing device channels fluid across biochemical sensors via a capture wick to detect hydration levels.

Radial shrinkage and axial compression align optical components, resolving centering errors in relay assemblies.

Hydrothermal treatment creates a two-dimensional magnesium hydroxide layer that reduces ion release rates and prevents bacterial resistance side effects.

A single-sheet nanofibrous mesh provides structural support for tissue repair.

A control section manages first and second light sources in an endoscope based on detected adapter types.

An ergonomic handle integrates actuator controls to enable single-handed operation of a flexible ureteroscope.

A segmented magnetic coupling transmits axial force through a hermetically sealed endoscope shaft.

A biocompatible and biodegradable protection layer containing a hydrophobic agent controls the release of water-soluble therapeutic agents.

Laser structuring creates integrated electrical contacts on a unitary catheter connector, eliminating fragile assembly components and misassembly risks.

Nested catheters deliver an expandable basket to extract thrombi, reducing patient trauma and avoiding surgical incisions.

This system analyzes periodic tissue motions to adjust pressurization timing, reducing interference from spontaneous displacements during elasticity imaging.

An endoscope system calculates image shake using distinct algorithms for different illumination modes to store high-quality static images.

Segmented brightness stops and distal shielding reduce light leakage between channels, enabling shorter rigid distal ends.

Segmented rigid and flexible sections enable rearward viewing orientation, eliminating additional incisions during cranial surgeries.

A medical image processing apparatus adjusts region of interest display emphasis based on cumulative detection time.

A deformable flap catch secures an occluder within its inner lumen, reducing thrombus formation risks by minimizing hemodynamic disturbances.

A data analysis system calculates representative temperature values from multiple extended measurement periods to determine ovulation timing with increased accuracy.

Interferometric depth data guides image registration to resolve illumination sensitivity and feature detectability trade-offs.

A medical image display apparatus manages left-eye and right-eye image timing on a screen while transmitting synchronization signals to shutter glasses.

A method determines magnetic particle spatial distribution by generating an inhomogeneous field with distinct sub-zones to alter particle magnetization states.

A multi-link implantable device transitions from flexible to rigid mode using a closure pin.

An over-molded boot design reduces manufacturing costs and clogging risks in endoscope suction systems.

A modular prosthesis rasp incorporates a lateral recess in the body part receptacle to prevent contact with the trochanter during femoral insertion.

Automated endoscope identification analyzes image data to adjust camera settings, eliminating manual adjustment time.

A wire-based operation switching mechanism moves and fixes an endoscope zoom lens between observation positions using reciprocating biasing members.

Segmented basket wires with varying density allow foreign matter movement from dense to sparse regions for smooth duct extraction.

A sensor system processes acoustic emissions during femoral broaching to provide continuous fit indication for surgeons.

A pulse oximeter controller removes shunted light signals to isolate tissue attenuation.

A continuous test tape integrates functional sections alongside test sections to consolidate auxiliary instrument operations within a portable glucose analyzer.

Positioning a seal member between housing chambers prevents liquid entry into the coupling area, reducing cleaning time and labor.

A biopsy needle uses a longitudinally movable inner tube to actuate a variable-diameter capturing mechanism for tissue specimen retrieval.

Fluid-filled tube with bead guides particle repositioning, resolving inconsistent maneuver execution.

An endoscope apparatus generates narrowband illumination light at specific wavelengths to capture biological tissue images.

A wearable sensing device uses a flexible resin suction channel to extract sweat from the skin surface for ion detection.

A segmented reamer spindle with a rotatable carbon fiber handle enables precise acetabulum access during minimally invasive hip replacement procedures.

Turning prism reorients image sensor to reduce module cross-sectional dimension, accommodating distal head space constraints.

Blue light illumination detects angiogenic lesions without anesthesia, resolving low sensitivity trade-offs in interstitial cystitis diagnosis.

Nested tubes compress a sponge to release liquid for testing while containing samples to prevent leakage.

An endoscope processing unit assigns color signals to brightness values to generate distinct observation images for automatic display switching.

Segmented surface zones on a hard plate use specific protrusion patterns to remove dead skin and polish nails without scratching.

A tapered distal end rigid member allows loose tubular body fitting that fills gaps with adhesive without leakage.

A patterned electrospinning collector directs polymer fibers via controlled electric fields to resolve random geometry limitations in tissue engineering.

Reverse fill and solvent extraction load drugs into hollow stent lumens, eliminating polymer coatings to increase capacity and control elution rates.

Rigid conduit system with integrated thermoelectric flow sensors measures fluid permeability during endoscope channel treatment.

Self-expanding mouth framework transitions from collapsed delivery to expanded aspiration configuration.

Ingestible capsule system collects gut microbes and chemical substances along the gastrointestinal tract, resolving inaccessible region sampling constraints.

A wearable light device automates timed activation of endocytic vesicles, ensuring reliable antigen delivery without medical center visits.