Handling Using Diaphragms/Collimeters TRIZ Cases

Asymmetric tapered collimators reduce sensitivity to focal spot motion while maintaining high geometric efficiency, thereby minimizing image artifacts.

A beam-limiting unit uses one actuator to drive multiple blades for precise X-ray collimation.

A particle beam irradiation apparatus generates a columnar field by enlarging the Bragg peak to enhance depth-direction flexibility.

A segmented beamshaper shapes x-ray flux using interleaved attenuating elements and material-free regions.

A radiotherapeutic system integrates focused multi-source and conformal intensity-modulated heads on a single gantry.

A computing device dynamically configures a collimator aperture based on measured X-ray flux to optimize dose efficiency.

Separating the target layer from the base member and using an adjustable collimator reduces off-focal radiation while maintaining high image resolution.

A multileaf collimator generates minibeam radiotherapy using alternating leaves and slits to shape incident beams.

A compact integrative apparatus mounts collimating and calibrating blocks on a shared stationary plate driven by a unified transmission unit.

Tapered collimator and block surfaces create a wedge effect that secures heavy metal components against centrifugal force and thermal expansion mismatch.

External degrader reduces beam energy without an energy selection system, shortening irradiation time by minimizing energy switches.

A shape adaptive collimator adjusts X-ray beam dimensions to match anatomical regions of interest.

A nested collimator assembly positions a pin-hole unit within a parallel-hole structure to direct radiation toward multiple detector layers.

Segmented knob assemblies rotate shafts to move leaves, resolving the trade-off between ease of operation and device complexity.

A variable angle slant hole collimator uses twin-lead screws and wedge blocks to position individual leaves for precise gamma ray projection.

Magnetoresistive sensors replace electromechanical components to eliminate wear and gravity-related inaccuracies in multileaf collimator positioning.

A medical viewing system displays X-ray images with rounded corners to optimize screen usage and enable smooth rotation without information loss.

Automated lead plate movement narrows the X-ray irradiation range based on operator line of sight, reducing cumulative dose during fluoroscopy.

Joint layers bond plates while air gaps isolate sets, preventing thermal expansion offsets.

Segmented collimator blades align curved detectors while blocking scatter radiation to improve dose efficiency.

A D-shaped collimator shapes radiation beams to maintain a central axis adjacent to its straight edge.

Switch unit triggers X-ray emission during grid oscillation, resolving timing precision issues caused by varying grid weights.

Direct-drive linear motors eliminate mechanical backlash in radiotherapy collimators, improving positioning accuracy and reducing assembly weight.

Segmenting large planar detectors into independently positioned columns resolves the trade-off between field of view and spatial resolution.

Real-time target tracking drives dynamic multi-leaf collimator adjustments, minimizing interplay effects between leaf and tissue motion.

Lithographic patterning combined with cathode sputtering reduces wall thickness to improve X-ray absorption while lowering production costs.