Computerised Tomographs TRIZ Cases

By combining lift and lateral motion in one bed mechanism, this case cuts scanner bed weight, deformation, and low-position height.

Integrated pixel amplification with separate readout circuitry cuts wire-bond noise and power in photon-counting X-ray detectors.

An omnidirectional powered drive unit replaces drift-prone scan movement, improving mobile CT positioning accuracy on irregular floors.

Interrupting ADC when a new photon peak arrives lets one hold capacitor handle pulse pileup with simpler circuitry and better counting.

A compressible metal washer and alignment protrusion cut thermal resistance in CT detector joints while preserving precise positioning.

A compressible metal washer and alignment protrusion cut thermal resistance in PCCT detector joints while maintaining precise positioning.

A lockable connection lets a retaining structure follow gantry travel, then release for adjustment, improving imaging alignment and staff safety.

Moving detector vehicles scan around the patient to capture tomography data without a fixed gantry, improving access and handling motion.

Two AI models with different bias-variance profiles are frequency-filtered and fused to improve spectral X-ray material decomposition accuracy.

Reference history from related medical information helps assess annotation quality more precisely for reliable medical image AI training.

Segmented fast scintillator layers shorten optical paths to improve TOF PET timing, gamma localization, and depth-of-interaction accuracy.

Respiratory trigger data synchronizes table motion and radiation release during free-breathing CT to improve image quality for irregular breathers.

Cold-cathode dual-energy CT synchronizes alternating radiation emissions during rotation to cut motion artifacts in standing or sitting scans.

Respiratory waveform slicing and gantry-angle image sorting enable 3D patient positioning during breathing for more accurate radiation therapy.

Collimator plates block off-axis photons during SPECT calibration, cutting radiation exposure while enabling shorter calibration intervals.

Multiple PET detector rings extend axial field of view for single-pass whole-body scans, improving sensitivity while reducing scan time and dose.

Dose modulation is adjusted to hardware speed limits so CT scans reduce exposure at sensitive sites without degrading image quality.

Structured light captures breathing and heartbeat motion inside the imaging device, reducing scan artifacts without external monitors.

Adjusts CT X-ray tube angle to the patient's face orientation, improving segmentation and scan range accuracy without forced repositioning.

A single-junction PET readout topology cuts SiPM parasitic capacitance and signal count while preserving accurate TOF timing and event position.

A unified GAN-based ROI extraction model adapts across CT and MRI formats without format-specific masks, cutting training effort.

Distributed x-ray sources and an arcuate detector deliver sub-second CT during treatment to track motion and improve dose accuracy.

Two-stage rigid registration aligns 3D scans from different times to quantify bone resorption and periodontal tissue changes more accurately.

Dual submodels isolate and amplify contrast differences to create transparent synthetic enhanced radiology images with less contrast agent use.

Targets only motion-corrupted anatomy for rescan, then merges both scans into one diagnostic image with fewer artifacts and less radiation.

CT-based system matrix modeling and stray-radiation correction improve low-count SPECT dose quantification for alpha-emitting therapies.

A tumor center-of-motion model linked to surrogate signals enables real-time radiotherapy tracking without continuous high-resolution imaging.

Electromagnetic linear motor rotation replaces bulky drive hardware in breast CT while maintaining precise angular motion and radiation shielding.

A unified GAN-based model extracts regions of interest across CT and MRI formats while reducing separate masks and modality-specific training.

Interactive 3D CT vessel segmentation guides bolus ROI placement, improving scan timing accuracy while reducing retakes and dose exposure.

Reduced-pitch anti-scatter grid septa equalize sub-pixel edge shielding to limit lensing and improve photon count stability.

3D helical scout data improves CT exposure prediction by linking attenuation, noise, and tube current for patient-specific dose control.

Edge-on photon-counting wafers use charge diffusion to locate x-ray interactions, enabling clinical phase contrast imaging with lower dose.

A neural network trained on dual-energy CT data lets single-energy CT produce virtual monochromatic images for better lesion contrast.

Virtual detector regions and floating-edge LOR reconstruction lift PET beyond scintillator-piece limits in spatial and TOF resolution.

Initial CT image analysis identifies a specific region, then narrows high-resolution imaging to reduce data storage, transfer load, and radiation exposure.

Object-size-based pitch and speed control cuts helical CT imaging time and radiation exposure while preserving image quality.

Using gadolinium contrast in dual-energy X-ray imaging separates vessels from calcium more clearly while lowering radiation dose.

Pseudo operation in CT processing circuitry generates idle-time heat to stabilize semiconductor detector temperature and preserve detection accuracy.

Contrast-triggered switching between single- and multi-energy bins cuts photon-counting CT data load for real-time RealPrep imaging.

Control-scan-driven gantry lasers mark skin entry points and needle orientation to improve precision and workflow in CT-guided interventions.

Simultaneous multi-energy CT sources improve cardiac imaging temporal resolution and spatial consistency while limiting repeat-scan radiation.

Slots in PET detector shielding and a non-parallel layout reduce MRI interference and induced currents for simultaneous high-resolution PET/MRI scans.

A trained CNN converts multi-energy CT data into low-energy VMIs with higher contrast, lower noise, and preserved anatomical detail.

Movable slab phantoms stored in the CT gantry cut manual handling, improve beam-path alignment, and speed calibration.

A non-steady-state multi-compartment PET model captures rest and stress myocardial blood flow in one scan, improving SNR while reducing study complexity.

Energy spectrum matching corrects CT X-ray tube focal point shifts during scanning, improving reconstruction accuracy without a pin hole collimator.

Sensor-driven control predicts gyroscopic loads in moving medical scanners and sets safe speed limits to protect bearings and image quality.

Pre-calculated rotation centers and aperture positions let dental DVT capture a single tooth anywhere in the field of view with low dose and precise reconstruction.

Non-imaging sensors in a CT detector track focal motion and collimator alignment to correct imaging signals and reduce scatter cross talk.

Frequent air scans correct photon-counting detector drift and pileup effects, preserving CT image quality without full recalibration downtime.

Phase change materials absorb imaging waste heat during water or power loss, keeping scans within temperature limits until completion.

Balanced positive and negative charges improve aqueous solubility and reduce nonspecific binding, supporting higher imaging signal-to-background ratios.