Heart Defibrillators TRIZ Cases
- Defibrillator Power Adapter Authentication System
Defibrillators authenticate power adapters via data sets to prevent unverified sources from delivering full power during emergencies.
- Self-Contained AED Security Block for Secure Connectivity
A security block validates data between communication and shock generation circuits in a self-contained automated external defibrillator.
- Wearable Defibrillator ECG Channel Noise Selection
Processor analyzes multi-channel ECG statistics to select the cleanest signal, reducing noise interference in shock decisions.
- Implantable Device Orientation-Based Communication Pulse Control
Accelerometer outputs adjust communication pulse amplitude and timing to maintain cardiac chamber synchrony despite device orientation changes.
- Implantable Medical Device Remote Control with Secure Authentication
Remote implantable device management uses pre-programmed notification criteria and secure user identification methods.
- Implantable Cardiac Device MRI Protection via Weak Field Sensor
An implantable cardiac device employs a weak magnetic field sensor to detect permanent magnets, switching to a protected standby mode before MRI exposure.
- Dynamic Atrioventricular Delay Optimization in Cardiac Resynchronization
A cardiac resynchronization device calculates atrioventricular delays across multiple pacing rates to adjust therapy timing.
- Wearable Defibrillator Multivector Shock Waveform
Multivector shock waveform reduces defibrillation energy requirements by delivering current through multiple electrical paths across the thoracic cavity.
- Defibrillator Sync Mode Warning After Shock Delivery
Automatic mode controller adjusts sync settings post-shock to reduce user error and improve reliability.
- Exterior Diaphragm Speaker Housing for Medical Devices
Molded exterior diaphragm seals voice coil to block contaminants while transmitting clear audio cues for rescuers.
- Wearable Defibrillator QRS Width Heart Rate Plotting
A wearable defibrillator processor plots patient QRS width against heart rate using acquired physiological signals.
- Dynamic Capacitor Stacking for IMD Waveform Control
Dynamically reconfigurable capacitors produce stepped leading-edge waveforms to lower capture thresholds and reduce power consumption.
- ICD Quiet Timer for EMI Detection in Cardiac Signals
An implantable cardioverter defibrillator uses a quiet timer to differentiate cardiac events from electromagnetic interference.
- AED Single Shock Protocol Extending CPR Time
An automated external defibrillator delivers a single high-energy biphasic shock to maximize cardiopulmonary resuscitation intervals.
- Wearable ECG Electrode Pairing for Signal Noise Reduction
A wearable arrhythmia device selects optimal sensing electrode pairings to improve cardiac signal quality and reduce false detections.
- Implantable Pacemaker Atrial Tachyarrhythmia Detection via Ventricular Mechanical Signals
An implantable pacemaker detects atrial arrhythmias by analyzing intraventricular mechanical vibrations alongside electrical events.
- Isolation Circuits for IMD Crosstalk Reduction
High impedance isolation circuits separate therapy and sensing modules, eliminating crosstalk caused by shared power sources and ground.
- ICD Tachycardia Detection Using Segmented M-of-N and X-of-Y Criteria
Segmented detection criteria separate ATP and defibrillation thresholds to reduce unnecessary shocks while maintaining rapid response times.
- Multi-sensory Alarm for Wearable Cardiac Defibrillator
Synchronized visual, audible, and haptic alerts in a wearable cardiac defibrillator resolve the contradiction between alarm reliability and device complexity.
- AED Shock Switch Self-Diagnosis and Alternate Activation
Programmable AED system monitors manual shock switch activation to detect failures and trigger alternate delivery mechanisms.
- Two-Layer Electrode for Uniform Wound Electrostimulation
A two-layer electrode with varying resistance achieves uniform electrostimulation, resolving current peaks that hinder chronic wound healing.
- Dual Battery Arrangement for Automated External Defibrillator
Dynamic series-parallel battery switching equalizes discharge rates across voltage sources, extending shelf life in automated external defibrillators.
- Defibrillator Signal Discrimination for Synchronized Cardioversion Timing
A defibrillator system discriminates between ECG analog and synchronizing pulse signals to route inputs correctly.
- Leadless Pacemaker Signaling Defibrillator for Shock Therapy Delays
Implantable leadless pacemaker signals anti-tachycardia pacing unavailability to a subcutaneous defibrillator.
- Implantable Pacing Device Using Heart Sound Timing
An implantable medical device measures intra-atrial conduction intervals and first heart sounds to calculate an S1-conduction lag for pacing therapy.
- Waterproof Enclosure for Wearable Medical Device Control Unit
A waterproof enclosure protects the control unit of a wearable medical device from water ingress during operation.
- AED Pad Orientation Sensors for Automated Pediatric Dose Selection
Angular motion sensors detect pad orientation to automatically select defibrillation shock doses.
- AED Shock Timing via Motion and ECG Analysis
Automated external defibrillator analyzes motion and ECG signals to determine shock delivery timing.
- H-Bridge Constant Current Pacing Circuit Protection
Diodes block external high voltage pulses from damaging the constant current source during defibrillation events.
- Defibrillator CPR Interleaving ECG Analysis Algorithm
A defibrillator interleaves continuous and scheduled CPR modes using an ECG analysis algorithm to detect shockable rhythms amidst motion artifacts.
- Dynamic Left Ventricular Pacing Delay Adjustment
A cardiac therapy system measures intrinsic depolarization intervals to dynamically adjust left ventricular pacing delays for consistent capture.
- ECG Noise Discrimination via Power Spectral Density Analysis
A cardiac monitoring device uses power spectral density analysis to classify electrocardiogram signals as arrhythmias or noise events.
- Multi-pad Defibrillator Electrodes for Restricted Anatomical Regions
Segmented defibrillator electrodes reduce surface burns by distributing current density across independently positionable pads in restricted anatomical regions.