Heart Stimulators TRIZ Cases
- Lead Condition Detection via Non-Sustained Tachyarrhythmia Analysis
Analyzes R-R intervals during non-sustained tachyarrhythmias to identify lead-related conditions in implantable medical devices.
- Intrathoracic Impedance Monitoring for Heart Failure Risk Stratification
A medical system acquires absolute intrathoracic impedance data to determine patient fluid status through running average analysis.
- Intracardiac Impedance Dyssynchrony Measurement
Comparing left and right intracardiac impedance sets yields a stable dyssynchronicity measure despite patient-specific variability.
- Effective Capture Test for Cardiac Resynchronization Therapy
An effective capture test evaluates ventricular electrogram signal characteristics to determine pacing stimulus efficacy.
- CRT Optimization via Evoked Response Electrogram Morphology
Evoked response electrograms guide automatic AV and VV delay adjustments to resolve unsynchronized ventricular contractions in heart failure patients.
- His Bundle Pacing Lead With Linear Electrode Array
Segmenting the distal tip into a linear electrode array increases target engagement probability, reducing procedure time while maintaining precision.
- Multi-Axis Accelerometer Optimal Axis Selection for Rate-Responsive Pacing
Multi-axis accelerometer selects optimal sensing axis to reduce cardiac motion artifacts and improve signal-to-noise ratio.
- Spinal Cord Stimulation Noise Reduction for Cardiac Signal Detection
Processor removes stimulation artifacts from cardiac signals via template subtraction, enabling accurate closed-loop neuromodulation therapy.
- Dynamic Pacing Rate Adjustment for Capture Threshold Testing
A cardiac pacing system adjusts the stimulation rate based on intrinsic beat counts to optimize energy delivery.
- Pre-excitation Pacing for Hypertension Treatment
Pacing therapy normalizes ventricular wall stress distribution by advancing hypertrophic region contraction, halting heart failure progression.
- Intermittent Multipoint Pacing for Cardiac Device Longevity
Alternating multipoint pacing with standard biventricular pacing reduces power consumption while sustaining left ventricular function and hemodynamic benefits.
- Heart Stimulator DDI(R)+ Mode Atrial Overdrive Pacing
A heart stimulator delivers atrial overdrive pacing in DDI(R)+ mode to control rhythm.
- Arrhythmia Discrimination Algorithm for Cardiac Rhythm Management
An arrhythmia discrimination algorithm analyzes physiological signal characteristics to classify cardiac events.
- Dynamic Sensing Threshold for Post-Shock Cardiac Event Detection
Adjusts sensing thresholds dynamically after electrical stimulation to detect cardiac events accurately.
- Cardiac Pacemaker Heart Rate Control for Chamber Remodeling
A cardiac pacemaker increases heart rate during inactivity to expand chamber volumes.
- Implantable Cardiac Stimulator Pacing Optimization
A cardiac stimulator adjusts atrial-ventricular and ventricular-ventricular pacing intervals using real-time sensor data to maximize cardiac output.
- Multi-Pole LV Lead Pacing Delay Optimization
Merging multiple sensing events into single tests reduces overall optimization time while maintaining measurement precision for cardiac pacing delays.
- Adaptive Bit Depth Compression for Biological Signal Storage
Adaptive bit depth compression via lookup tables stores high-resolution biological signals in limited IMD memory while preserving signal morphology.
- Multi-site LV Pacing Delay Optimization via Conduction Measurement
A multi-pole left ventricular lead system determines optimal interelectrode pacing delays using measured conduction data.
- Intracardiac Distance Estimation via Electrical Artifact Amplitude
A computing device calculates a mechanical index from systole and diastole electrical artifact amplitudes to estimate intracardiac distance changes.
- 3D Cardiac Activation Map for CRT Lead Positioning
A 3D cardiac activation map guides precise pacing device placement in the heart.
- Dual-Sensor Pacemaker Activity Detection
A dual-sensor pacemaker uses temperature and motion data to detect patient activity onset.
- Implantable Cardiac Electrostimulator VES Rate Smoothing
A cardiac electrostimulator synchronizes atrial and ventricular pulses to regulate heart rates smoothly.
- Sub-threshold Biphasic Cardiac Stimulation for Conduction Delays
Sub-threshold biphasic stimulation resolves conduction delays by dividing pulses into depolarization phases, reducing pacemaker power consumption.
- IMD RF Telemetry Power Management via Packet Size Prediction
A communication unit predicts data volume to time radio power down cycles for implantable medical devices.