Surgery TRIZ Cases

Composite fiber layers resolve hydrophobic rigidity by balancing strength with tissue compliance for rapid regeneration.

An under-filled flexible balloon conforms to stomach anatomy, reducing gastroesophageal reflux and wall strain while maintaining gastric volume occupation.

Interweaving members stitch multilaminate collagenous sheets together, preventing delamination and seroma formation during implantation.

Segmented skeleton and mesh structure block particulate emboli while flexible bows ensure stable placement without increasing deployment complexity.

A biological sample meter uses a protruding enter key surrounded by cross keys to enable specific multi-key input sequences for device control.

Short sampling fibers minimize Raman scattering and native fluorescence background noise, improving the signal-to-noise ratio for internal body imaging.

Thermal imaging camera locates and measures ABTT terminus temperature to resolve precision versus complexity trade-offs in diagnostic reliability.

An internal tubing system dispenses cleaning solution onto the lens to maintain visibility without removing the scope from the patient.

A moving member in an endoscope insertion section verifies assist tool attachment, preventing malfunction from improper positioning.

A sliding bending member controls tip orientation while a protective cap prevents soiling, enabling clear stomach observation.

A shaft stop secures the flexible endoscope shaft against longitudinal movement on a patient support.

Navigation-guided pump unit delivers consistent fat graft volumes to prevent necrosis caused by manual injection pressure variability.

A light source apparatus uses a holder reflecting surface to redirect emission light toward an optical sensor for precise illumination control.

A deployable frame uses lug slits narrower than the loop gauge to prevent deflection and maintain planar stability during cinching.

An angled catheter tip guides a deployable stylet needle through calcified tibial walls into the true lumen.

A cleaning support device measures manual procedure duration and displays alerts when steps fall short of reference times.

Expandable catheter basket segments thrombi into smaller pieces, reducing downstream embolism risk.

A rotary body converts linear working shaft movement into rotational motion for endoscope bend control.

A coiled intraluminal marker engages tissue via elastic deformation to enable precise visual or palpable identification during minimally invasive procedures.

Segmented illumination units maintain center and peripheral brightness ratios to ensure favorable observation during close and normal viewing modes.

A lever stack in the mechanical converter assembly expands stroke length beyond piezoelectric limits, reducing device complexity and cost.

A specimen retrieval device uses a cinch puller and leaf spring to detach the pouch from the inner shaft.

A fluid circulation system uses in-line temperature sensors and an integrated control unit to manage heated therapeutic fluids.

A bending section receptacle holds guide tube distal ends while a glue passage delivers adhesive to secure the assembly.

Segmented filter modules capture debris while a visualization screen monitors the process, eliminating contrast agents and reducing procedure time.

A biopsy container assembly uses a disengageable partition to immerse samples in preservation liquid.

Movable second and third lens groups maintain depth of field for high-resolution sensors, resolving diffraction degradation in endoscopes.

A light source apparatus adjusts semiconductor LED output ratios to maintain predetermined brightness levels.

Flat panel stamping forms the rigid base and toothed cutter body, enabling low-cost single-use surgical instruments.

Silicon nitride composite materials and increased surface roughness resolve microbial resistance trade-offs while promoting osteointegration.

Multi-axis joints allow blade rotation to overcome rigid mounting limits, enabling oblique force application.

A pain measurement system applies controlled electrical stimuli to quantify patient discomfort levels objectively.

A linear member delivery device uses a rotatable nozzle to align with endoscope conduit openings.

A right-angle reflective member bends the optical path between the last lens surface and the image sensor to compress the imaging unit.

Nested coil structures in a bendable catheter maintain inner cavity patency during large bending, enabling accurate tool placement without plugging.

A rigidity variable apparatus uses segmented shape-memory alloy coils to dynamically adjust insertion tool stiffness through electrothermal heating.

Amorphous aliphatic polyamides combine cycloaliphatic diamines with linear dicarboxylic acids to achieve high glass transition temperatures.

A geared instrument translates handle rotation to stem motion for precise tibial canal access.

Snap-fit blades with arched panels prevent skin damage during manual expansion by distributing tensile strength.

UV cured polymer embeds endoscope camera components to reduce outer diameter and simplify assembly.

Continuous biometric verification prevents sample tampering in self-administered drug tests while maintaining ease of operation.

A surgical instrument uses a light emitter and sensor to quantify vessel diameter from pulsatile optical signals.

A multi-layer wire cable maintains torsional rigidity while a retainer prevents cutting head detachment if the drive shaft breaks in curved anatomical spaces.

Disposable multi-parameter sensors collect physiological data autonomously, eliminating bulky reusable equipment and reducing hospital visit frequency.

Segmented design isolates disposable insertion tubes from reusable handles to reduce infection risk and sterilization costs.

A disposable air/water valve assembly for endoscopes uses an overmolded sealing member on a spool to simplify manufacturing.

An MRI-compatible implant stabilizes the tongue via an external magnetic field, eliminating mask-related irritation from CPAP therapy.

Radially expandable cutting blades housed in a hollow shaft create enlarged bone sections while minimizing debris accumulation.