Organ Movement/Changes Detection TRIZ Cases

An implanted subcutaneous port uses echogenic markers to guide catheter placement via ultrasound, reducing infection risk from percutaneous insertion.

A processor circuit applies depth-based correction vectors to ultrasound anatomical boundaries for precise imaging.

Automated Doppler radar analysis of reflected energy eliminates manual sensor placement errors while maintaining measurement precision.

Starting tracking from end-systole prevents incorrect middle layer positioning and overvaluation of epicardial strain during radial evaluation.

A water-filled inner chamber guides a transducer along a motion path while a piston module adjusts the scanning medium volume.

Integrating transducers and control logic on a rollable semiconductor substrate reduces scanner diameter to navigate complex vascular branches.

Ultrasound processor calculates confidence values from signal-to-noise ratios and propagation characteristics to mask unreliable stiffness data on display.

Adjustable collimators align gamma rays with ultrasound transducers to resolve false positives in dense breast tissue screening.

Visual indicators update probe orientation in real time, reducing manual steps and spatial understanding requirements.

Nested cylindrical connectors align optical fiber rotation centers to downsize the motor drive unit while maintaining structural durability.

A position determination unit computes interventional device location using ultrasound time-of-flight measurements between probe and transducer.

Inflatable bladder secures flexible ultrasound transducer array against body surfaces for stable acoustic coupling.

A variable ultrasound array processing system accumulates partially reconstructed echo data during imaging sessions to enable adaptive focusing strategies.

An elastic element connects the transducer to the housing, enabling dynamic retraction that reduces pressure on uneven body tissue surfaces.

A body marker generating unit creates visual indicators by mapping probe location data onto a testee image for accurate scanning guidance.

Optical fiber shape sensing registers reference frames to compensate probe deflection, resolving ultrasonic speckle errors in brachytherapy.

A non-invasive ultrasonic device analyzes cartilage state using echo amplitude ratios transmitted through soft tissue.

PCA and ICA algorithms separate maternal and fetal heart rate sources in overlapping ultrasound beams, eliminating precise transducer placement requirements.

Modular semi-cylindrical arrays enable high-resolution 3D volumetric imaging while reducing system complexity and cost.

Segmented decoders perform initial filtering on RF signals and correlation on DAS outputs to lower memory usage while preserving signal quality.

Concentric transducer rings expand the depth of field beyond single-element limits while maintaining high resolution.

A U-shaped guide structure holds a medical probe and adjusts its position over patient skin during vascular line placement.

Periodic pulse trains encode target properties into discrete frequencies, enabling fast multi-wavelength imaging without sequential scanning delays.

A universal deep learning model predicts scan plane displacement from image pairs, eliminating the need for specialized models or expensive sensors.

A dynamic medical imaging interface displays transitional animations between image views to establish direct spatial correspondences.

A processor switches ultrasonic probe oscillator subsets between moving and static imaging modes to optimize signal processing.

Air injection into a needle sheath creates echogenic bubbles that resolve poor needle visualization during renal puncture.

Spatial domain reconstruction replaces frequency methods to reduce artifacts and preserve axial resolution in handheld ultrasound tomography.

An articulating ultrasound probe integrates a light source emitting opposite the transducer array to illuminate cavity walls for precise instrument guidance.

Combines OCT, ultrasound, and elastography in one catheter to resolve the trade-off between measurement precision and device complexity.

Ellipsoidal back-projection with non-linear minimum operators attenuates noise in echo signals, enhancing contrast between cardiac chamber surfaces and blood.

A data processor aligns robotic catheter movements with fluoroscopic and ultrasound images using a planar array of machine-readable 2D barcode markers.

A catheter-based measurement device uses a multi-sensor array to detect contact points on heart valve leaflets.

Dielectric-loaded radio frequency antennas enable deep tissue thermoacoustic imaging through optimized permittivity matching.

Segmented rotational joints enable the interface to navigate anal anatomy and maintain alignment with the anal sphincter during patient movement.

A therapy system uses a multi-axis positioning mechanism to move a patient support relative to a radiation source.

A low frequency ultrasonic diagnostic system uses bi-static transducer configurations to extract clinically significant features from tissue signals.

Adjusting pulse parameters of individual transmit beams reduces acoustic pressure and mechanical index during multi-line ultrasound imaging.

An intrathoracic vibration sensor detects cardiohemic vibrations from blood flow deceleration in the left ventricle.

Motion sensors detect probe stationary states to automate pneumothorax detection, eliminating manual confirmation delays while maintaining high accuracy.

A versatile dental ultrasonic probe operates in connected or autonomous modes to generate and analyze ultrasound data.

Pre-defined view switching minimizes manual adjustments and radiation exposure while maintaining real-time needle tracking during transseptal puncture.

A real-time ultrasound system acquires secondary image snapshots during primary scanning sessions.

Project steered component frame data along imaging angles to determine weights, suppressing shadows without image registration to eliminate fork-like artifacts.

A composite image generation system overlays extracted needle location data onto anatomical scans to enhance visualization accuracy.

Real-time imaging guidance prevents off-target dispersal of non-cytotoxic proteases during medical procedures.

Direct translation distance measurement replaces velocity integration to resolve inaccuracy errors in intravascular imaging.

Redesigned ultrasound transducer supports sweeping hand motion for unskilled operators.