Electromagnetic actuation rotates the shutter frame while optical sensors detect position for precise state control.
Interface module connects X-ray collimators via rotatable adjustment plates and pivoting swivel elements for secure attachment.
Replacing photomultiplier tubes with a charge coupled device eliminates temperature drift and magnetic sensitivity while maintaining high spatial resolution.
A collimator with a curved slit profile shapes radiation rays into a rectangular projection on the detector.
A system acquires images during radiation delivery to determine collimator leaf positions and present error notifications.
Vertically offset leaf layers in a multi-layer collimation system improve aperture resolution beyond single-layer limits.
Multi-aperture collimator segments orthovoltage x-rays into diverging minibeams merging at a controlled depth to confine dose and spare proximal tissues.
Opposing actuators drive a radiopaque shuttle to segment beam exposure, resolving the trade-off between shutter speed and device complexity.
Shaped multileaf collimator tips form stable conical apertures, eliminating double passes and collision hazards in stereotactic radiosurgery.
A helical spin-roll beam chopper modulates X-ray beams through rotating cylindrical apertures.
A radiation detection system uses a photosensor with linear temperature response to stabilize output signals.
An adaptive multi-pinhole collimator maximizes packing density and minimizes truncation to enhance detection efficiency.
Segmented aperture leaves calculate optimal positions during a single rotation to deliver customized radiation fluence levels.
A gadolinium neutron diaphragm and bismuth flight tube lining minimize scattered beam noise for high-resolution radiography.
Asymmetric ridge geometry minimizes inter-leaf radiation leakage by intersecting divergent beam paths, improving collimation precision.
Segmented shutters with grid structures align passages to displaced focal spots, resolving the contradiction between collimation precision and field of view.
Microcolumnar zinc selenide scintillators channel light through segmented vapor-deposited columns.
Photolithography patterns photoresist and metal layers to create precise collimator structures, resolving alignment complexity for photon-counting CT detectors.
A movable collimator adjusts x-ray radiation levels based on user focus coordinates to optimize image quality.
A collimator control device segments blades to adjust radiation field size and location without moving the examination table.
Automated collimator adjustment aligns the X-ray field with the detector active area, eliminating manual alignment time and reducing patient radiation dose.
Segmenting radiation into narrow microbeams allows endothelial cells to repair damaged vasculature between peaks, reducing healthy tissue damage.
Solid tantalum shutters resist nitric acid corrosion from air ionization while maintaining high atomic number density for effective X-ray shielding.
Displaceable segments in the collimator frame enable dynamic spectral resolution adjustment, eliminating bulky multi-collimator changers.
Rotating a first yoke moves shutters to reduce aperture width, replacing bulky fixed collimators and reducing scatter radiation.
Adjustable moderator frame positions neutron deceleration components to optimize flux and quality, preventing material deformation in beam shaping assemblies.
Segmented reflecting sections decouple mirror movements to resolve the correlation between adjustment difficulty and measurement precision in X-ray imaging.
A CT collimator uses an electromagnet system to engage gates via a metal plate for aperture adjustment.
Segmented blades adjust aperture geometry to limit X-ray exposure while maintaining image quality.
Voltage-driven electroactive polymer expands to reposition anti-scatter grid slats, resolving shading artifacts across varying source-image distances.
Radiation treatment templates reduce manual planning time by applying pre-optimized field setups adjusted via dose gradients and historical data.
Infrared-guided dynamic grid alignment resolves mobile radiography trade-offs between image contrast and source-receptor distance variability.
A multi-leaf collimator adjusts leaf positions using calculated offset values derived from movement direction and angle data.
Segmented plate assembly aligns through hole side walls with the focal spot, blocking scattered rays while maintaining manufacturing simplicity.
A collimator apparatus uses a transmission assembly to rotate and switch between multiple beam shaping components mounted on a treatment head.
Multi-leaf collimator adjusts cross-layer leaf gaps to minimize radiation leakage while maintaining safe in-layer spacing.
Automated collimator exchange reduces treatment time and radiation exposure during boron neutron capture therapy.
Asymmetric groove design resolves substrate diffuse radiation trade-offs, improving image contrast and production regularity.
Movable energy degrader plates adjust particle beam energy to treat specific tumor depths without slowing delivery speed.
A photon collimator uses electric discharge machining to fabricate integrally formed septa slats from tungsten.
A collimator mechanism with a gradually movable aperture window selects specific portions of an X-ray beam cross-section.
Infrared sensors locate the x-ray source so the dynamic grid aligns its lines, reducing scattered radiation and improving image contrast.
Alternating trapezoidal leaf geometry reduces interleaf leakage while maintaining uniform penumbra and lowering manufacturing costs.
Internal fin plates in a ray beam guiding device absorb scattered radiation, reducing guiding box weight and manufacturing costs.
Positioning shielding material opposite the irradiation apparatus attenuates secondary radiation, allowing thinner concrete walls and smaller treatment rooms.
Varying collimation and scanning angles reduce information redundancy and artifacts in SPECT imaging.
A visible light guide member uses a mirror-finished conical through-hole to condense LED radiation toward the second opening.
A straight trajectory CT device uses a moving collimator to direct X-ray beams toward a single detector unit.
A radiation detector rotates while a changing unit adjusts the irradiation form to maintain alignment with the imaging region.
Segmented collimator blocks with optimized thickness profiles minimize structural deformation and radiation leakage in radiotherapy apparatuses.