Computerised Tomographs TRIZ Cases

A data processing system separates standard and non-standard lines of response to correct background signals in emission tomography images.

Modular gantry segments with dedicated data collection boards aggregate detector event data to simplify signal processing.

Transparent electrodes reduce x-ray absorption to improve detector efficiency and image quality.

Segmented detection circuits with adjustable feedback capacitances correct energy spectrum shifts and reduce artifacts in photon-counting X-ray imaging.

Adjustable radiation protection discs cover recesses in shielding panels, allowing operator access while maintaining comprehensive X-ray protection.

A display apparatus adjusts background image parameters to match the bezel area, creating a borderless visual effect.

A PET imaging system calibrates injection doses by generating calibration images to determine radiotracer uptake measures.

A method selects optimal slice configurations from candidates to minimize scan dose during medical imaging procedures.

Dynamic beam control compensates for patient motion, maintaining precise tumor targeting while minimizing radiation exposure to surrounding healthy tissue.

A tomographic apparatus uses a displaceable PET ring arranged coaxially with a second imaging arrangement to enable simultaneous detection.

Spatial high-pass filtering on PET singles emission data determines relative detector element efficiencies.

A medical information processing apparatus calculates electric signal propagation in the cardiac muscle using four-dimensional image data and movement extraction.

Nesting X-ray generator and sensor within shared turning paths resolves installation space constraints while maintaining scanning coverage.

A method for generating patient-specific attenuation maps by adapting MRI sequence parameters to spatial location within the field of view.

Dual-layer detectors align CT and PET data without patient repositioning, eliminating registration errors from separate scanners.

Recirculating warm outlet air into the inlet channel maintains narrow temperature ranges across detectors, preventing shutdowns during ambient fluctuations.

Movable radiation blocking plates in a scanning unit vary inclination angles to eliminate data redundancy and reduce statistical errors during medical imaging.

An external display unit shows gantry status via LEDs, resolving the contradiction between enclosed reliability and accessible operational information.

Virtual index matching converts heterogeneous measurements to homogeneous data, resolving the trade-off between reconstruction accuracy and computational time.

Segmented filter members reduce scatter radiation while maintaining acquisition speed through preliminary positioning.

A dual-path data generation system in an X-ray CT apparatus adapts view rates by region, reducing unnecessary data volume while maintaining spatial resolution.

A transformable imaging system reconfigures its housing and rotor to move x-ray components between open and closed states.

A detector pack uses a nested interposer to position ASICs closer to optical semiconductor elements.

Automated robotic positioning of a nuclear probe eliminates manual calibration errors and improves image resolution through regular spatial sampling.

A time-resolved positron emission tomography encoder measures gamma ray arrival times with picosecond resolution to produce real-time three-dimensional images.

Axial movement of the PET detector reduces interference with high power RF magnetic fields, improving data acquisition reliability.

A hybrid PET detector system segments high-resolution and high-sensitivity detection functions to locate patient tracers with precision.

Monte Carlo simulation converts activity retention limits to dose-rate limits for patient-specific dosimetry.

Segmenting display modes preserves spatial resolution while projection processing improves vascular structure recognition and registration accuracy.

Automated couch positioning system processes scout-view coordinates to center patient anatomy within the scanner field of view.

Logarithmic energy weighting of dark field signals enhances contrast to noise ratio for micro-calcification detection without increasing hardware complexity.

Reference antenna pairs isolate skin reflection characteristics for subtraction from measurement signals, eliminating artifacts without mechanical rotation.

A method registers single 2D angiographic projections to 3D CT imaging data using segmentation and reduced order modeling.

A radiation detector uses optical separators between scintillator crystals to isolate photon paths and direct light to specific photosensors.

Transparent plates with non-radiopaque markers enable direct comparison of measured and predicted deformations across the entire volume.

Dynamic tracking of tumor position during the entire breathing cycle reduces collateral damage to normal tissues without requiring robotic linac translation.

Depth-segmented edge-on x-ray detector sub-modules estimate initial photon interaction points via charge cloud analysis.

Singles-counts projection data enables precise spectral CT material decomposition while total-counts data resolves solution ambiguities.

A medical imaging device housing unit with a netlike supporting structure and an elastic spring-mass unit dampens soundwaves.

Segmented collimator aperture blocks X-rays to define beam extent and create penumbra regions on the detector.

Overlapping micro-pixel summing bins signals from grouped detectors to improve spatial resolution and reduce noise in photon counting CT systems.

An LED illumination apparatus conveys visual information through the scanning tube side wall to reduce patient claustrophobia during medical imaging procedures.

Low-dose ionizing radiation stimulates microglial activity to remove beta-amyloid plaque and restore cognitive function in neurodegenerative disease.

A suction fan pulls air through a duct and manifold to cool detector elements, reducing thermal load without adding complex refrigeration cycles.

Real-time contrast monitoring eliminates the five-minute delay of preliminary timing bolus scans while maintaining diagnostic image quality.

Motorized C-arm rotates about three independent axes to capture wide orbital image data without patient repositioning.

Synchronizing absorption and filter gratings with kVp switching separates X-ray energy spectra, reducing motion artifacts in dual-energy CT imaging.

A biomechanical model estimates internal organ coordinates by correlating external surface volume changes with internal movements.

Repeating filter materials create distinct spectral channels to enable multi-material decomposition without complex detector systems.

Stacking edge-on x-ray detector sub-modules with non-linear gaps to eliminate dead areas and maximize detection efficiency.