Handling Using Diaphragms/Collimeters TRIZ Cases

Automated collimator storage under the patient support cuts manual handling, setup time, damage risk, and floor-space use in nuclear imaging.

A segmented RF linac and beam shaping assembly sustain hospital-ready epithermal neutron flux while cutting target change delays.

Inductive non-contact sensing tracks collimator shutters and filters to avoid mechanical wear and improve x-ray dose calculation accuracy.

A tungsten collimation section joined to a machinable holding section cuts fin cost and weight while preserving precise radiotherapy shielding.

A glass disc with absorber-filled grooves and recesses blocks scattered X-rays in multiple planes while preserving stability and image resolution.

A movable spherical head improves detector field of view in tight radioactive spaces while reducing weight and operator exposure.

A linear motor and dual-gear transmission amplify leaf travel while shrinking drive stroke, improving collimator precision and compactness.

A modular beam shaping assembly improves neutron flux and beam quality while limiting fast neutron contamination and material deformation.

An acrylic scatterer and grid form a parallel X-ray beam that stabilizes magnification and improves lesion size measurement without increasing SID.

Angled radiolucent beam paths in a radiopaque matrix converge X-ray or gamma beams on tumors while limiting dose to healthy tissue.

Movable X-Y shield plates and a target plate adjust dose by position while avoiding flattening-filter loss and MLC complexity.

Lateral support stabilizes taller X-ray collimator plates, reducing deformation while improving scatter rejection and preserving detection efficiency.

Rapid leaf drives switch binary collimator leaves in under 10 ms, enabling real-time tumor tracking and reducing healthy tissue exposure.

Laser-cut foldable side plates with preformed slots hold thin tungsten septa accurately, cutting collimator cost and assembly complexity.

Radioluminescent leaf markers enable direct multi-leaf collimator position imaging without external light sources, reducing beam obstruction and complexity.

A controller offsets slot plate heating and cooling displacement between CT scans to keep X-rays within the effective detector area.

Stacked plates with increasing atomic weight replace uneven deposition, improving radiation absorption uniformity and detector accuracy.

A compact fusion neutron source with absorber-lined collimators boosts imaging throughput and enables 2D and 3D inspection of large components.

Pixel-level attenuation mapping automatically sets non-rectangular X-ray shutters to cut patient dose and scatter while preserving image quality.

Staggered collimating surfaces with different curvatures reduce CT Y-axis space use while preserving rectangular X-ray projection quality.

Dual-end support and modular detectors extend SPECT axial FOV for single-scan imaging without sagging, stitching, or long acquisition times.

Contactless magnetoresistive sensing tracks multileaf collimator leaf position accurately without wear or gravity-related errors in radiotherapy.

Alternating neutron and absorbent channels deliver strong collimation in a compact layout, reducing facility size, scan time, and image artifacts.

Successive attenuator layers of decreasing atomic mass absorb collimator fluorescence while interlocking extensions simplify assembly.

A movable thin filter plate within the collimator enables automated detector calibration without manual insertion of a heavy filter plate.

Collimators isolate scatter radiation from load zones, revealing hidden objects missed in overlapping transmission X-ray views.

Motorized plates and rack-and-gear drives continuously vary x-ray beam size and shape, limiting exposure beyond the area of interest.

A flexible beam-guiding cylinder lets operators align collimators quickly while keeping the outlet fixed during ray inspection.

Scintillators and cameras convert radiation patterns into images to independently verify MLC leaf positions and field shapes.

A tilted X-ray detector uses segmented line sensors and collimation to capture resolution and sensitivity in one scan.

Truncated recesses in an electron beam collimator create steep dose gradients, sterilizing needed regions while limiting radiation damage.

Paired detection pixels average signals across grid attenuation, improving dose measurement and automatic exposure control accuracy.

A tilted chopper wheel lengthens the attenuation path for high-energy X-rays, while thin WSF detectors simplify external vehicle mounting.

Notched plate members guide collimator module pins to resolve positioning accuracy issues in large radiation detection assemblies.

Movable slit plates resolve the trade-off between image resolution and measurement speed, enabling efficient detection of objects with varying dimensions.

Compton x-ray tomography system uses a sheet-like beam and apodized aperture optics to acquire 3D object structures efficiently.

Adjusting the collimator aperture restricts the x-ray beam to the tumor area, minimizing unnecessary radiation exposure while maintaining image quality.

Tungsten-coated hollow glass capillary tubes block off-axis X-rays, reducing grid weight and cost while minimizing image artifacts.

A light limiting barrel switching device moves multiple barrels to a working position via guide rails.

Segmenting the collimator into multiple staggered layers resolves the trade-off between high spatial resolution and manufacturing precision in SPECT devices.

A radiography system corrects collimator openings using pre-calculated light source displacement values to align the ranging field of view.

Spring-tensioned filter disks move radially to resolve the contradiction between compact device size and beam path flexibility.

Subtracting a non-constant profile area from fluence maps resolves underdosage inaccuracies caused by dynamic leaf movements and small gaps.

Multiple small imaging detectors on a gantry independently position to capture focused data from specific regions of interest.

Segmenting the collimator into independent imaging and tracking apertures widens the tracking range while maintaining narrow beam width for dose reduction.

Segmented baffles in the secondary collimator accommodate more detector elements, reducing manufacturing difficulty compared to monolithic tungsten designs.

Injection molding of tungsten powder and binder produces beam guide grids with precise passageway alignment, reducing manufacturing costs for X-ray diagnostics.

Automated switch detection verifies conical collimator identity, eliminating manual errors and ensuring precise radiation delivery.

A beam limiting unit moves two blades via separate actuators to adjust aperture width and symmetry axis independently.

Segmented slats offset sensitivity losses from increased thickness, maintaining resolution while magnifying small organs in nuclear medicine.

Variable feathering splits intensity matrices into overlapping submatrices, reducing monitor units by 19% and treatment time by 10%.

A filter with linear dark sections eliminates ghost images from multi-leaf collimator reflections, ensuring precise patient alignment.

A gamma knife collimator correction method uses projection image analysis to determine optimal positioning parameters.