Tomography TRIZ Cases

Magnetic-flux direct drive replaces gears, belts, and cables to improve gantry positioning accuracy and repeatability in radiation therapy.

A thinner side cathode preserves charge collection at substrate edges while keeping tiled radiation detectors compact and high resolution.

Intersecting gantry and support rotation axes expand irradiation angles while avoiding device-patient interference and blind spots.

Non-parallel movable radiation detectors capture scene portions from multiple positions, then stitch them into higher-resolution images.

A cyclic motion model predicts respiratory target position despite imaging latency, helping align radiation beams and spare healthy tissue.

Dedicated photodiode readout channels let a flat-panel CT X-ray detector avoid crosstalk, image lag, and charge redistribution noise.

Coherent and incoherent subframe compounding reconstructs a larger effective aperture to improve ultrasound resolution, penetration, and speckle control.

Forward and backward wave propagation with correlation analysis extracts harmonic echoes for ultrasound imaging with stronger suppression of undesired directions.

Time-of-flight optical sensing tracks multilamellar collimator positions directly, improving accuracy while reducing radiation interference and system complexity.

Induced blood flow and Doppler ultrasound make collapsed veins visible, enabling accurate HIFU targeting for non-invasive vein treatment.

A calibration factor from dual kVp plateaus enables accurate tube current estimation during fast switching, supporting focal spot control and image quality.

TOF verification of triple coincidence events identifies prompt-gamma photons, enabling dual-nuclide PET separation in one scan.

Selectable AEC markers and segmented X-ray fields help limit irradiation area while maintaining precise partial image acquisition.

Visual top and bottom exposure guides help partition X-ray scan regions, reducing overirradiation while preserving diagnostic coverage.

Independent collimator segments and touch-selected imaging areas cut unnecessary radiation exposure without repeated C-arm repositioning.

Dynamic detector gain and adjacent or conjugate ray correction prevent flat-panel saturation in dual-energy CT and preserve reconstruction quality.

Real-time emitter-to-detector guidance helps operators position X-ray shots correctly, reducing repeat exposures and radiation risk.

Energy-response comparison tracks system state changes to keep sensitivity calibration accurate between periodic measurements.

Routing detector traces through electrode gaps with doped-implant shielding reduces false triggering and improves X-ray hit attribution.

Built-in slab phantoms move automatically into the CT X-ray beam, cutting calibration time, alignment errors, and storage burden.

Extracts respiratory and vascular waveforms from dynamic body images to match model patterns and make pathological changes easier to assess.

Near-field multiplexing and far-field sub-array summing cut ultrasound probe data rate while preserving image quality under fixed bandwidth.

Receive-beam null placement, angular apodization, and aperiodic sampling suppress ultrasound side-lobes without extra firings.

A multi-electrode cap targets ischemic brain tissue with tDCS to boost collateral perfusion and protect penumbra early after stroke.

Parallel-slot phantom loading reduces heavy slab handling and misalignment in photon-counting CT calibration while improving repeatable positioning.

Segmented fast scintillator layers cut optical paths and noise, improving TOF-PET timing and gamma interaction localization.

Anatomical structures detected in a first image guide later-view acquisition settings, reducing retakes and ionizing radiation exposure.

Two parallel AI models split low- and high-frequency content to cut bias and noise in spectral X-ray material quantification.

Camera images and machine learning predict collimator light-field geometry, enabling retrofit auto-collimation without deep X-ray system integration.

A dual-plateau calibration factor estimates tube current during fast kVp switching, supporting stable spectral CT control and focal spot regulation.

Independent robot motion coordinates CT imaging with LINAC treatment to avoid collisions while enabling real-time volumetric guidance.

Pre-checks on detector type, apparatus state, and irradiation conditions help avoid unsuitable DXA imaging and unnecessary radiation exposure.

Automated scans for unauthorized connections and malware verify system integrity before radioactive dose dispensing, reducing cyber risk.

Underground shielding enables high-energy CT scanning of dense cargo with a smaller footprint, lower shielding cost, and 3D contraband detection.

A threaded spindle and screw drive move the CT gantry accurately at high speed while compensating misalignment, tension, and noise.

Alternating high and low tube current lets photon-counting CT use low-pile-up corrections to linearize high-count data and improve image quality.

Sequential threshold switching lets photon-counting CT capture multiple energy bins in one scan, improving temporal alignment and reducing motion artifacts.

A layered, table-mounted PCCT phantom reduces calibration weight and handling strain while preserving precise, repeatable scan positioning.

Probabilistic LOR segmentation lets existing TOF PET scanners reconstruct positronium lifetime images with better spatial resolution for hypoxia detection.

A resistive strip and plunger convert collimator rotation into angle feedback, helping prevent amplimat chamber misalignment and extra patient dose.

Smaller edge-pixel electrodes with dedicated capacitors preserve signal strength in radiation detectors despite reduced carrier transport at substrate edges.

Radiation settings adapt to tool position and orientation, preserving needed image quality while reducing exposure during interventions.

Linear guide motion lets a CT gantry shift laterally, capture multiple angles without full rotation, and improve patient access.

Processing circuitry uses image data and clinical purpose to auto-adjust X-ray tube angle, reducing manual setup variation and exposure.

Multi-angle neutron beam planning disperses shallow dose, boosts deep lesion dosing, and improves dose uniformity while limiting normal tissue exposure.

Segmented detectors track fan-beam energy by angle during scanning, enabling continuous correction without beam attenuation.

Energy-dependent coincidence counters capture charge sharing events during acquisition, preserving count speed while improving spectral accuracy.

Interleaving focused B-mode and wider volume acquisitions raises 4D ultrasound frame rate without sacrificing image resolution and contrast.

Analytical correction of CHO d′ removes finite-sample and no-signal bias in one step, enabling faster, more reliable imaging calibration.

A stepped overlap between detector sub-modules reduces gaps and preserves continuous scanning data for more complete medical imaging.

Real-time subpixel failure detection generates correction data for photon-counting pixels, preserving radiation image quality during operation.