Measurements Using NMR Imaging Systems TRIZ Cases
- Silent Dynamic MRI Using Golden-Angle Spiral Trajectories
Golden-angle spiral k-space sampling reduces acoustic noise and registration errors while maintaining image resolution in dynamic MRI.
- MRI Water Resonance Frequency Identification via Multi-Spectrum Analysis
A magnetic resonance imaging apparatus identifies water resonance frequency by analyzing pre-scan spectra from STIR and CHESS techniques.
- MRI K-space Data Rearrangement for Artifact Reduction
Reorders phase-encoded k-space lines before Fourier transform reconstruction to resolve the trade-off between imaging speed and image quality.
- Parallel Transmit RF Power Control for NMR Guidewire Imaging
Parallel transmit MR scanner segments RF modes to visualize conductive objects without excessive heating.
- MRF Pulse Sequence Integrating Free-Waveform B-Tensor Diffusion Encoding
Integrates free-waveform b-tensor diffusion encoding into magnetic resonance fingerprinting pulse sequences for multi-dimensional relaxation-diffusion data acquisition.
- MRI Sequence Control Circuitry for Multi-Slice CEST Imaging
Multi-slice simultaneous acquisition reduces imaging time by applying varying frequency magnetization transfer pulses under gradient fields.
- Flexible Medical Imaging Protocol Structure for Cross-Device Transfer
A hierarchical measurement protocol structure separates hardware-independent parameters from device-specific settings to enable seamless cross-system transfer.
- Fat Suppression Module Combining Saturation and Inversion Pulses
Combining saturation and inversion pulses, the module achieves homogeneous fat suppression despite B0 and B1 field variations.
- MRI Motion Artifact Reduction via Real-Time K-Space Strategy
Real-time motion detection adjusts k-space line acquisition strategies to eliminate artifacts caused by patient movement during MRI scans.
- Cloud Telemetry Portal for Medical Equipment Monitoring
A cloud-based portal system collects telemetry signals from medical equipment to resolve data accessibility issues caused by local storage constraints.
- MRI Slice-Select Pulse Design Using Variable-Rate Scaling
Dynamic rescaling of gradient and RF waveforms reduces acoustic noise by 7 dBA without increasing pulse length or narrowing bandwidth.
- Accelerated PROPELLER MRI with Compressed Sensing
Undersampled PROPELLER pulse sequence acquires fewer k-space blades to reconstruct MR images via compressed sensing.
- Adjustable MRI Head Coil Plates for Signal-to-Noise Optimization
Actuated plates in an MRI head coil adjust RF element positions to improve signal-to-noise ratio across varying head sizes.
- MRI T2 Mapping Correction for Diffusion Attenuation
Simulated echo modulation curves correct transverse relaxation mapping in MRI scans, resolving diffusion-induced signal loss.
- Magnetic Resonance Pulse Sequence Optimization for Gradient Noise Reduction
A pulse sequence optimization device identifies modifiable time intervals to smooth gradient pulses and reduce noise exposure.