Organ Movement/Changes Detection TRIZ Cases

A multilayer interposer links the imaging component and cable in tight catheter space, reducing tension and shrinking the connection footprint.

A multilayer interposer links the imaging component and cable with dense signal traces while relieving tension in tight catheter space.

A funnel-based sterile barrier keeps medical devices from touching a non-sterile magnetizer, preserving sterility during magnetization.

Uses in-car audio and acoustic multipath autocorrelation to detect child presence, motion, and breathing without extra sensors.

A multilayer interposer links the imaging component and cable in tight catheter space while reducing tension and enabling precise signal routing.

Wafer-scale ground trace routing replaces wrap-around electrodes, enabling batch-built phased array transducers with larger arrays and lower cost.

An electrically driven assist wheel switches between grounded and raised states to reduce the effort of moving heavy ultrasound carts between rooms.

Multiple drive frequencies raise acoustic output while keeping electromagnetic emissions within limits for ultrasound transmission modes.

Varying drive frequencies around a target frequency spreads spectral energy, cutting transmitter emissions without sacrificing ultrasound performance.

Pre-charged capacitors and constant voltage circuits keep ultrasound push wave pulses strong despite charging voltage droop.

Gray coding cuts simultaneous bit switching on ultrasound data buses, reducing power noise and capacitive coupling over analog circuitry.

An FPGA in the patient interface module uses synthetic-aperture and digital quadrature sampling to cut IVUS complexity while preserving image quality.

Different supply voltages across TIA stages cut ultrasound front-end power use while preserving noise performance and linearity.

Differential digitization in a patient interface module cuts IVUS noise and replaces custom analog cables with Ethernet transfer.

Differential signaling, ADC digitization, and Ethernet transfer cut IVUS noise and custom cable complexity while improving image quality.

Stored raw echo data is re-beamformed across multiple apertures to improve lateral resolution and reveal anatomy missed in the first scan.

Shared row-column drivers and programmable element selection enable flexible 3D beamforming with better resolution, side-lobe suppression, and SNR.

A shunt-controlled three-MOSFET T/R switch isolates high-voltage transmit pulses while cutting circuit area, power use, and heat in ultrasound probes.

In-probe delta-sigma beamforming cuts ultrasound cable channels while freeze control suppresses delay-expansion noise and power use.

B-mode ultrasound tracks airway tissue motion to quantify airflow and detect early respiratory compromise in spontaneously breathing patients.

Separate linear and harmonic IVUS echoes to highlight stents and calcium deposits and improve reflector identification in lumen imaging.

Multi-area mastoid ultrasound with weighted echo analysis improves non-invasive middle ear effusion detection accuracy, especially for children.

Stored normal frequency data guides reception-side filtering and amplification to offset probe element degradation and preserve ultrasound image quality.

Near-simultaneous 2D multiplane ultrasound is converted into an anatomically consistent 3D volume for higher frame rates and lower contrast-agent damage.

3D contour and region mapping tracks scanned and unscanned organ areas, helping users complete ultrasound exams more reliably.

Condensing IVUS radial line data into frame-level probability maps helps detect stents, sheaths, and side branches faster without segmentation.

A single pMUT catheter combines cardiac mapping electrodes and ultrasound imaging to improve endocardial contact and reduce procedural complexity.

A processor switches between transducer arrays based on depth or magnification settings to improve ultrasound image quality and probe versatility.

Combining tissue nonlinear response with scatter, shear wave, attenuation, and sound speed improves ultrasound fat fraction estimation for NAFLD.

Real-time ultrasound overlays show needle path, treatment region, and safety margins to improve placement accuracy and protect nearby tissue.

Switchable low- and high-bandwidth modes let one ultrasound patch sensor send physiological or imaging data while balancing power use.

Co-registered IVUS and enhanced x-ray images help confirm stent position and flag underexpanded regions during deployment.

Temporal gating filters sequential ultrasound frames to suppress oscillating classifications and improve measurement consistency.

Color-mapped ultrasound motion at multiple depths makes abnormal and normal body regions easier to distinguish on a patient monitor.

Hydrogel-bound reflective markers create a Doppler twinkling artifact, improving ultrasound detection of tissue margins without ionizing radiation.

Dynamic preset switching tailors ultrasound imaging and display conditions to improve machine-learning target detection accuracy.

Automatic acoustic window detection adjusts ultrasound frequency and beam steering to improve diaphragm image quality and measurement consistency.

Time-domain local phase and center-frequency analysis before beamforming improves ultrasound tissue characterization, SNR, and spatial resolution.

Probe angle sensing and manipulation guidance help reduce slippage and improve bladder diameter measurement for more accurate volume calculation.

Implanted vertebral transceivers track pressure, tension, position, and bone density in real time to detect implant issues before failure.

A dual-drive ultrasound unit shifts between approach and separation states to shorten breast compression time while preserving image quality.

Machine learning detects adjacent organ landmarks to guide probe placement and help non-experts capture diagnostic lung ultrasound images.

Voice analysis identifies the breast examination side and sets left or right body marks automatically without complex sensors or manual errors.

Phased-array and position-tracking sensors help an articulated catheter reach narrow body lumens, confirm target location, and guide biopsy or therapy.

Combining coherent and non-coherent compounding across transmit and receive angles improves ultrasound image quality, edge visibility, and speckle reduction.

Distal micro-beam-forming cuts catheter wire count, enabling coaxial signal lines for lower noise and high-quality 2D and 3D imaging.

Computer vision and probabilistic modeling label vessel segments directly from IVUS pullback images, reducing manual work and X-ray exposure.

Automatic 3D spine centerline detection and plane fitting generate standard fetal ultrasound views quickly, even when curvature disrupts direct sagittal display.

Dynamic highlight control marks excrement regions in ultrasound images while reducing interference with image interpretation for constipation diagnosis.

SNR- and speckle-based adaptive compounding reduces clutter while preserving vessel walls, contrast, and needle visibility in ultrasound images.

Two attenuation estimates are compared across depth to detect elevation aperture blockage and alert sonographers before biased tissue readings.

Acoustic feedback from an ultrasonically activated guidewire helps characterize vessel lesions and improve crossing of calcified blockages.

Multiple 2D ultrasound images are analyzed to detect entities and display the views with their largest measured sizes without using a 3D probe.

A cutaway 3D tissue view paired with a matching cross-section exposes the lumen while preserving orientation and easing IVUS image interpretation.

Blood vessel measurements are repositioned around detected regions of interest so ultrasound images stay clear during needle or catheter guidance.

Lossy fetal face regions caused by strong reflectors are identified and restored in rendered and cross-sectional ultrasound images for clearer visualization.

Concurrent IVUS display of the latest cross-section and auto-selected min/max lumen images improves real-time vessel assessment.

Ultrasound imaging measures vessel diameter, depth, and occupancy limits to guide VAD choice without repeated trial-and-error evaluations.

Peak-time ultrasound localization enables battery-free implant powering with low signal-processing load and accurate deep-body positioning.

A visualization-guided access channel enables working device insertion through narrow anatomical tracts while reducing perforation risk and pain.

Non-invasive elastography tracks tissue stiffness during inflammation treatment to separate inflammation effects from fibrosis assessment.

Ultrasonic scanning isolates the junction band to quantify uterine peristalsis while avoiding irregular endometrial oscillation interference.

Displayed insertion regions combine vessel depth and needle length data to guide accurate blood vessel puncture across needle types.

A flexible abdominal ultrasound array images the whole uterus at intervals to flag postpartum hemorrhage risk before major bleeding starts.

Drive conditions are adjusted from echo-based target distance and size to keep acoustic streaming consistent for more accurate liquid viscosity estimation.

Multiple ultrasound frames are layered onto the latest blood-vessel image so examiners can judge insertion-object depth with clearer visual cues.

This case models ultrasound channel noise with ARMA filters to suppress reverberation clutter and preserve anatomical detail.

Dual brackets on a probe support enable switching between in-plane and out-of-plane guidance without replacing the entire assembly.

A frictional element integrated into a medical device drive shaft increases torsional load to stabilize rotational velocity.

Diverging lenses in a wide-beam ultrasound transducer probe expand the detection area, reducing interruptions from maternal and fetal movement during labor.

A method generates a 3D ultrasound image from multiple 2D scans to identify tool location within the volumetric data.

Ultrasound imaging detects subsurface tissue changes before skin damage appears, enabling targeted interventions that reduce pressure ulcer incidence.

Automated strain calculation eliminates manual ratio computation errors by displaying quantitative tissue hardness differences between tumor and normal tissue.

A neural network learning model enhances ultrasound image quality at low acoustic output, reducing power consumption and apparatus size.

Zipper array ultrasonic transducer reconstructs central image plane from bilateral soundwaves to resolve needle not in plane detection issues.

Acoustic transmission time calculation across lung tissue replaces invasive embedding, enabling non-invasive daily heart failure monitoring.

A computing section calculates echo signal parameters to identify the optimal first transceiver frequency for shear wave detection.

Active radiological clips emit coded ultrasound signals to resolve identification accuracy issues caused by tissue changes after chemotherapy.

Multiple voltage conversion coils cancel leakage magnetic fields near the ultrasound probe aperture to reduce signal noise.