Angiography TRIZ Cases

Inflation-based pressure estimates guide slower cuff deflation only near systolic and diastolic ranges, cutting measurement time while preserving fidelity.

Continuous intramuscular temperature and pressure monitoring helps distinguish limb ischemia from compartment syndrome and trigger early alerts.

Radiopaque device markers define a dynamic X-ray measurement field, improving ROI exposure control during movement while reducing scatter and dose.

This case uses C-arm geometry and source-to-vessel distance calculations to calibrate blood vessel images despite catheter variation.

Image-associated settings select needed dynamic analyses, reducing manual work, diagnosis time, and selection errors.

Quantify calcific and noncalcific aortic valve tissue from CTA without extra CT.

Motorized mobile X-ray apparatus uses luminous devices to indicate operational modes for precise positioning.

Controller displays timing graphics along a time axis to manage mask and contrast agent injection sequences.

Display controller visualizes non-motion areas and interference zones alongside angle diagrams to reduce C-arm movement complexity during TAVR procedures.

Mobile robotic X-ray platforms resolve patient access constraints by dynamically repositioning biplane systems away from the examination area.

Capacitive sensors detect approaching objects before contact, resolving the contradiction between automatic repositioning efficiency and patient safety.

Controller aligns intermediate images with X-ray images using marker positions to enable real-time device monitoring during interventions.

Automated curve analysis determines optimal capture timing, resolving transient visualization issues caused by cardiac motion.

A composite contact lens with a rigid central insert stabilizes the inner surface curvature for accurate intraocular pressure measurement.

Sliding arc arms rotate X-ray generators to arbitrary angles, resolving interference with surrounding devices during complex 3D vascular imaging.

A grating device synchronizes its sampling positions with a movable object's motion to enable accurate phase contrast and dark-field X-ray imaging.

Integrated rectifier converts AC to DC for X-ray tube grid electrode, eliminating cable capacitance limits on switching speed.

A biological information monitor estimates blood pressure using pulse wave propagation time and activates measurement units based on calculated thresholds.

A portable x-ray fluoroscopy unit uses a sliding C-arm and variable pivot point to enable head-to-foot angulation.

Dynamic focal spot sizing resolves the contradiction between spatial resolution and dose delivery during minimal invasive procedures.

Global registration combines image pairing and alignment to resolve navigation inaccuracies caused by cardiac and respiratory motion.

A multi-focal-spot X-ray imager selects target imaging pairs aligned with a determined projection direction to optimize acquisition geometry.

A processing unit adjusts X-ray pulse width based on moving edge detection to optimize image quality.

Processing circuitry generates ratio images from pre- and post-injection X-ray differences to visualize restored blood flow.

Composite image generation unit aligns X-ray and blood vessel images using a region of interest near medical devices.

Direct volume silhouette rendering overlays live 2D images onto translucent 3D models, reducing pre-processing overhead and X-ray exposure during interventions.

Matching roller and belt hardness reduces wear and rolling resistance in suspended DSA equipment, ensuring smooth movement.

Segmented C-arms with arc-shaped supports resolve the trade-off between large-angle rotational range and device complexity in medical imaging.