Heart Stimulators TRIZ Cases
- Adaptive Pacing Control for Cardiac Hemodynamics
Dynamic pacing modulation increases cardiac output during activity while reducing heart muscle energy consumption during rest periods.
- Cardiac Dyssynchrony Analysis via ECG Derivative Time Differences
Computer method calculates derivative values of skin-acquired electrical signals to determine time differences between cardiac events.
- Multi-site LV Pacing Refractory Period Management
Cardiac pacing device manages refractory periods across multiple left ventricular sites.
- Lead Fracture Detection via Acceleration Correlation in Cardiac Devices
Correlating electrical depolarization signals with mechanical contraction data to identify lead integrity issues in active implantable medical devices.
- Cardiac Resynchronization Device Pacing Vector Selection
Implantable medical device selects optimal left ventricular pacing site by measuring right ventricular activation times.
- Atrial Stimulation for Diastolic Insufficiency via Interatrial Delay
Iterative interatrial delay adjustment corrects diastolic insufficiency by synchronizing atrial and ventricular contractions without complex calculations.
- Intracardiac Impedance for CRT Parameter Optimization
A sensing module monitors intracardiac impedance to extract temporal fiducial points for pacing configuration.
- Managed Ventricular Pacing Protocol for Intrinsic Conduction
A managed ventricular pacing protocol promotes intrinsic cardiac conduction through dynamic mode switching and post-atrial blanking.
- Leadless Pacemaker Atrial Event Detection via Multi-Modal Sensing
A leadless pacemaker uses pressure and acoustic sensors to detect atrial events from the ventricle.
- Therapeutic Electrical Stimulation Avoiding Undesirable Activation
Medical device selects energy parameters based on measured strength-duration relationships for desired and undesirable activations.
- Multi-Phase Cardiac Stimulus Generator for Asynchronous Ventricular Contraction
A multi-phase cardiac stimulus generator applies stored anodal, cathodal, and biphasic waveforms to improve heart contraction efficiency.
- IMD Wake-Up Signal and ID Request Protocol for Multi-Device Interference
Segmented wake-up signals prevent interference between multiple implantable medical devices during communication.
- Vagus Nerve Stimulation Device Using Heart Rate Histograms
An implantable device adjusts vagus nerve stimulation therapy by comparing intrinsic and reference heart rates derived from activity sensors.
- Implantable Device Posture Bins for Arrhythmia Detection
A computer implemented method groups cardiac beats into posture bins using acceleration signatures from an implantable medical device.
- Leadless Pacemaker Arrhythmia Confirmation via Remote Trigger
A leadless cardiac pacemaker confirms arrhythmia by monitoring internal sensor signals after receiving an indication from a remote device.
- Biventricular-triggered pacing for multi-site ventricular resynchronization
A cardiac pacing device manages refractory periods across multiple left ventricular sites to coordinate ventricular contractions.