Surgery TRIZ Cases

A flexible endoscope shaft uses nested illumination and imaging components within a minimized outer diameter to enable precise trans-nasal insertion.

A hybrid catheter merges fluorescence imaging with optical coherence tomography to generate three-dimensional molecular maps.

Segmenting the grounding path with a separate wire prevents static electricity defects in the imaging unit while simplifying assembly complexity.

A drive-condition setting device measures resonance frequencies in x and y directions to adjust actuator signals.

An adjustable medical valve uses axial plunger motion to compress an elastomeric seal, eliminating twisting wear and reducing insertion force.

Spring-biased decoupling mechanism stops rotation upon skull perforation to prevent dura mater damage.

Integrated management apparatus calculates cumulative contrast medium volume to prevent excessive use and procedure interruptions.

A capsule endoscope acquires black image data during non-illuminating periods to generate noise reference values.

Deformable registration of a combined atlas maps external markers to internal tissue, resolving soft tissue displacement during radiation therapy.

A holder with specific openings fixes a flexible substrate in a bent state, preventing twisting while maintaining attachment stability.

A monochromatic pixel array captures reflected radiation from multiple laser bundles to generate high-definition RGB images.

A calculus crushing device uses escape grooves in the sheath to guide basket wires through the distal tip.

A surgical retractor features a curved non-cutting tip to isolate tissue and facilitate precise cuff placement during implantation procedures.

An expandable reamer advances a blade from a concealed position to cut bone precisely.

An adjustable stopper in the correction frame restricts moving lens movement along the optical axis, resolving manufacturing precision issues.

Segmented cutting implements with nested seals prevent fluid leakage under arthroscopic pressure while minimizing frictional heating during bone cutting.

A coil spring and slide member adjust endoscope bending strength to overcome narrow lumen navigation resistance.

Segmenting the connector into separate components reduces tooling costs and simplifies assembly compared to integral moulding.

A receiving unit with multiple antennas calculates signal level differences to estimate capsule endoscope position accurately.

A surface modification method chemically fixes a polymer layer on elastic bodies using ultraviolet light to grow chains from initiation points.

Multi-blade segmentation expands the speculum radially to prevent wall collapse and improve cervix visualization without complex mechanisms.

Support means maintain spacing between probes, reducing frictional resistance and enhancing visibility for easier deployment.

An optical rotator directs portions of a wide-angle field to an image sensor, enabling high-resolution capture within solid-state endoscopes.

Automated storage system positions biological specimen cassettes in nested compartments while reading identification data for precise location tracking.

Automated heart signal processing replaces strict daily protocols, resolving the trade-off between measurement precision and operational ease.

A virtual reality system measures clinical visual parameters using tracking sensors and a 3D display unit.

A hollow tube deploys a flexible lens cover film to maintain a clear optical path in front of the objective lens.

Tactile feedback on rotation knob reduces strength required for endoscope insertion.

A flexible tube insertion apparatus adjusts bending stiffness via a coiled sheath and wire mechanism responding to advance or retreat detection.

A microneedle applicator housing integrates a plunger and locking mechanism to extend needles beyond the surface.

A scanning endoscope propagation portion absorbs unnecessary mode light from the optical fiber cladding to ensure precise base mode emission.

A vascular closure device uses a hinged locator anchor to expand laterally for precise puncture site identification.

A sealed intraoral device monitors vital signs via wireless communication without external connectors.

A miniaturized confocal scanner uses MOEMS components to focus laser beams for high-resolution imaging.

A stereo endoscope system amplifies specific regions of interest using dual-camera image processing to enhance surgical visualization.

A processor corrects position detection signals using stored magnetic flux data to stabilize movable lens control.

A toilet seat detects hormone concentrations in sweat and urine volatiles to estimate secretion fluctuations.

Low voltage pre-grows a bubble at the electrode, reducing tissue damage and balloon stress during calcified plaque treatment.

An elastomeric protective sheath distributes clamping force from set screws to prevent damage to fragile glass fibers during thermal expansion.

An integrated sample device uses a cap with a direct pipette access opening to streamline semen extraction while eliminating transfer steps that cause errors.

A magnesium alloy with calcium and strontium provides biocompatible implants that dissolve completely within the body.

Nested diaphragms reduce acoustic propagation medium volume and dead space while maintaining pressure balance and preventing transducer contact.

Suction devices draw liquid through endoscope channels to flush debris, preventing drying that causes incomplete cleaning.

Dual coaxial bearings and seal members prevent rotary shaft inclination to maintain watertightness.

Stitched reinforcing fibers in a multilayered tissue graft maintain mechanical strength during enzymatic degradation, preventing hernia recurrence.

An enclosing holder secures ergonomic sample containers using flexible hinges and mated latching features.

Segmented engaging elements on a central wire maximize clot capture completeness while minimizing fragmentation risk during intravascular retrieval.

Analyzing flow test history detects supply channel and valve anomalies, preventing false attributions of issues to endoscope channels.