Computerised Tomographs TRIZ Cases

Fluid-fed cooling removes heat from the radiation source while the gantry rotates, enabling high-quality total body scans with reduced exposure.

A medical image management apparatus reconstructs and distributes slice images based on regions of interest to reduce initial display time.

Direct conversion semiconductor layer transforms X-ray photons into electrical signals for precise spatial resolution.

Potential control devices shape electric fields along cone angles in direct-conversion detectors, ensuring oblique X-rays trigger the correct read electrodes.

Dynamic detector state variables correct measurement errors caused by changing responsiveness, enabling accurate material decomposition in spectral CT imaging.

A hybrid detector system integrates flat panel and CT assemblies to enable automatic switching between two-dimensional and three-dimensional imaging modes.

A smart radiation detector module stores performance parameters in local memory to correct signal variations using dedicated circuitry.

A CT scanner cooling system uses a widening fan housing duct to guide air efficiently through an annular frame.

Dual-isotope positron emission tomography detects metabolic and selective probes simultaneously using distinct radionuclide signatures.

A multi-source x-ray generator emits segmented fan beams to improve image definition.

Cluster analysis of vibration and state data determines predictive fault indicators for X-ray tubes, reducing false positives from operational variations.

Non-ferrous surgical instruments maintain image quality by eliminating magnetic interference during diagnostic scanning procedures.

Focused ultrasound energy source delivers acoustic waves to ablate renal sympathetic nerves, reducing invasive surgical risks and improving targeting accuracy.

Metallic cooling elements feature continuous tunnel-shaped cavities for fluid flow to dissipate heat from X-ray converter surfaces.

A multi-energy X-ray imaging filtering device uses septa alignment to shape energy spectra.

Imaging-guided focused ultrasound ablates sympathetic nerves without mechanical catheter contact, reducing renal artery damage risk.

Segmented counters with varying sizes match specific energy bands, resolving the contradiction between measurement precision and device complexity.

Real-time imaging guides a robotic arm to position surgical tools accurately while preventing collisions with the patient and imaging device.

An imaging biomarker computes task-based signal-to-noise ratio over image regions to estimate lesion detectability.

Segmenting PET detectors and RF coils onto separate supports reduces maintenance difficulty and damage risks during assembly.

Motor-driven linear actuator positions X-ray sensor cassette to resolve detector protection and versatility trade-offs in digital radiography.

Dynamic X-ray generator waveforms acquire multi-energy transmission data to resolve tissue characterization limits inherent in fixed dual-spectrum systems.

A positron emission tomography apparatus calculates annihilation coordinates from coincidence counting data to detect subject body movement.

A processor defines sub-pixels within pixelated anodes to acquire signals and apply location-specific calibration parameters.

A surgical planning system generates 3D models of patient anatomy and medical devices to create 2D projections for intraoperative alignment.

Segmented lead plates on a rotating housing reduce apparatus weight while preventing X-ray leakage from the CT scanner.

A computed tomography perfusion system adjusts data acquisition sampling rates based on real-time contrast levels to optimize radiation exposure.

Dynamic detector positioning overcomes non-uniform sampling and depth-of-interaction blur, delivering sharper images with higher sensitivity.

A time-of-flight measurement system determines residual energy of charged particles using elapsed detection times between two detectors.

Segmented engaging-lock and elastic sealing restrict scan window deformation to prevent rotating part contact while maintaining liquid containment.

A PET motion detection system uses statistical parameters to sort data frames into bins for cardiac gating.

A dental computed tomography apparatus uses a dual-arm control system to coordinate independent rotation of support structures during imaging.

Analyzing Doppler-broadened photon spectra refines positron source localization, correcting image blurring caused by in-flight annihilation.

Segmented collimator pinholes with energy filters capture photons across distinct detector regions, reducing multiplexing artifacts in nuclear medicine imaging.

A lightweight phantom with a hermetically sealed foam core and distributed imaging elements enables full-volume geometric calibration.

Switching the electron beam focus size and position during warm-up prevents localized anode surface roughening and extends cathode life.

A single-slot collimating plate determines its target position using a calibrated composite measurement signal derived from two air scanning instances.

A nuclear medical imaging apparatus creates output images reflecting SUV value changes using two-dimensional association information.

A radiation detector weights photodetector signals to specify fluorescence generation positions without optical partition walls.

A nuclear image processing method generates standardization templates from voxel value sets to normalize cross-instrument data.

A dynamic prepatient collimator adjusts fanbeam channel angles based on tube rotation to lower radiation exposure.

Rotating the radiation source about two axes directs the beam onto a detector, enabling tomographic analysis of complex formed objects.

A single detector array generates complete multi-energy datasets by estimating missing spectral data from adjacent cell sets.

Retractable photon detection units resolve radiation interference conflicts to maintain high positional accuracy during X-ray therapy.

A system generates a three-dimensional model of the heart tissue surface to designate lesion patterns for radiosurgical treatment.

An adjustable volume positioning indicator guides anatomy placement via multi-angle optical camera images, eliminating scout X-ray radiation exposure.

Curved support structures tangent to the focal spot eliminate angular offsets and gaps between modules, improving cardiac imaging reliability.

Automatic tube potential selection system optimizes radiation dose in CT imaging by adapting kV levels to patient size and diagnostic tasks.

Floor-integrated supply units eliminate tripping hazards from cable columns by routing utilities through conduits within the floor structure.