Computerised Tomographs TRIZ Cases

Z-axis cooling passageways in CT detector heat sinks maintain uniform temperatures, preventing calibration drift and dose efficiency loss.

A long-lived point source provides fixed frequency emissions for gamma camera dead time correction measurements.

Photon counting processing circuitry acquires energy spectrum information to determine X-ray tube state.

Angulated detector facets align sub-modules with the x-ray focal spot, reducing parallax artifacts and crosstalk in 256-slice cardiac imaging.

Segmented temperature regulation devices maintain consistent detector element temperatures, eliminating slow system-wide cooling bottlenecks.

An adjustable photon detection system aligns anti-scatter plates independently from detector modules to optimize X-ray capture geometry.

Thermally connected frame fins dissipate heat from data acquisition circuitry, reducing thermal interference with photodetectors and scintillators.

Radiative transfer equation method calculates scatter source maps to resolve noise amplification and computational cost trade-offs in SPECT imaging.

A stationary anterior phased array coil positioning structure maintains surface coil alignment relative to the patient bore.

A positron emission tomography system selects imaging vectors based on reference differences to generate motion-compensated images.

Segmented design and self-leveling mechanisms reduce device complexity while maintaining safety for nuclear medicine transport.

Spectral imaging determines contrast agent concentrations via decomposition, resolving mean transit time measurement errors.

Segmented detector modules enable selective unit replacement, reducing material waste and maintenance time.

Floating field limiting rings distribute electric fields across X-ray sensor junctions to maximize active detection area.

A radiation measuring apparatus uses a threshold controller to update comparator thresholds at different measurement times, generating pulse height frequency distributions.

Opposing tilt angles on adjacent segments reduce pulse pileup and space charge effects, maintaining accurate spectral information under high X-ray flux.

Adjustable detector segments in a static computed tomography gantry reduce rotational forces and system weight while maintaining high image quality.

A CPU synthesizes optical parameters along virtual rays to generate pixel values for fused medical images.

Curved detector modules with thermal communication structures stabilize operating temperatures, reducing image artifacts caused by airflow variations.

Charged particle track detectors capture position-dependent signals from intact tissue samples for iterative tomographic reconstruction of 3D images.

Weighted averaging of representative sinograms approximates ideal point response trajectories, reducing calculation loads while maintaining spatial resolution.

Adjacent SPECT and CT detector units share a common bore to reduce the field of view gap below 50 cm.

A medical image display method combines tomograms and functional images using arbitrary weight scaling to present biological data.

A rendering processor controls 3D surface data display using threshold-based intersecting point detection for precise mesh manipulation.

Reduces PET imaging motion artifacts by extracting physiological signals directly from detector singles rates, eliminating external monitoring hardware.

A mobile CT unit integrates a steel flooring plate to rigidly fasten the framework and table as a single monolithic body.

Segmented detector modules with cascading fluid channels resolve noise and space constraints by extracting heat from sensitive components.

ExLCD method measures contrast performance across multiple protocols using flux and contrast indices to characterize radiographic imaging systems.

Processing circuitry segments detection streams to control scan timing for each agent, eliminating redundant subject positioning.

Waveform comparison processing circuitry estimates radiation energy to reduce pile-up effects and improve image quality at high doses.

A directly-converting X-ray detector maintains sensor temperature using continuous conditioning and heating units during electronics reconfiguration.

A translatable ring gantry rotates a radiation head to deliver non-coplanar beams without patient movement.

Trained neural network derives three-dimensional bone density from simple radiation images.

Continuous grating movement during X-ray exposure enables phase contrast and dark-field image acquisition.

Transforms extracted volume data voxel values into distinct levels to enable precise rendering of medical diagnostic images.

Photon counting detector selects energy bands to remove body structure from images.

Segmented magnet arrangement creates a toroidal field that minimizes stray magnetic fields while enhancing patient accessibility.

Detecting photons exceeding maximum tube voltage enables correction of pile-up distortion, restoring actual energy spectrum accuracy for high-quality imaging.

Light projection in a CT gantry visualizes field of view boundaries, resolving imaging coverage versus radiation exposure contradictions.

Segmented rolling floor mechanisms preserve nozzle positioning accuracy while reducing mechanical complexity in rotating gantry systems.