Heart Defibrillators TRIZ Cases

See how integrating an automated external defibrillator into a vehicle headrest structure resol

Periodic switching between series discharge and parallel recharge equalizes capacitor voltage and prevents reverse bias in cardiac therapy devices.

A nested shell and curved stack geometry help implantable high-voltage capacitors cut cracking and heat build-up while preserving energy density.

Multiple transformer secondary windings and cascaded charge-discharge branches deliver AED high voltage with lower transistor stress, cost, and cycle limits.

A neutral shell and simplified stacked geometry raise IMD capacitor energy density while reducing heat, cracking, and added circuitry.

Sequential discharge from primary and secondary energy stores creates a rectangular defibrillation shock that lowers peak voltage and circuit complexity.

A port guard, storage bag, and kickstand cut treatment delays by securing cables, organizing accessories, and improving display visibility.

Circumferential mounting grooves simplify implantable connector assembly while improving sealing and stable electrical contact.

A laterally assembled spring clip centers on round feedthrough pins to simplify handling while maintaining secure electrical contact.

Heart and thoracic motion drive a triboelectric spiral converter that powers implants continuously without battery replacement surgery.

A monolithic retention and ejection element secures a defibrillator battery, prevents movement, and speeds replacement without manual release.

When electrode insulation defects trigger a short circuit, series capacitors switch to parallel delivery so reduced-voltage defibrillation can continue.

An analog compression mechanism varies potentiometer impedance to create realistic CPR-corrupted ECG signals for AED testing.

A bent monolithic spring holds a medical device battery against movement and assists ejection to reduce power disruption during replacement.

A lithophilic metal layer on the anode current collector prevents dissolution during over-discharge, avoiding shorts, delamination, and cell failure.

Adjustable kickstands, storage bags, and port guards speed defibrillator setup while preventing ECG cable disconnections during transport.

A welded first hypotube protects sub-150 µm lead wires during connector joining, improving assembly precision and waterproof reliability.

An adjustable kickstand, organized storage bags, and a port guard improve display visibility, accessory access, and cable stability in emergencies.

A single secondary winding and staged diode-capacitor levels raise implantable device voltage while reducing transformer complexity and component stress.

Accessory authentication lets a defibrillator keep basic operation active while blocking advanced functions from non-authenticated sensors.

AI filters noisy ECG and patient data in a wearable defibrillator to cut false alarms and improve patient-specific shock decisions.

A movable adapter plate with spring-actuated locking secures a defibrillator quickly on an ambulance while preventing accidental release.

A laser-bonded patterned layer lets a ferrule seal to a dielectric substrate without polishing or high-temperature bonding, reducing thermal stress.

A patterned layer on a dielectric substrate enables ferrule welding with lower thermal stress, less surface prep, and reliable hermetic sealing.

Multi-sensor AI helps wearable defibrillators filter ECG noise, personalize alarms, and improve shock or no-shock decisions.

Series thyristors with parallel resistors let an H-bridge biphasic defibrillator use lower-voltage switches while sharing voltage and cutting cost.

Selective triggering of independent pulse generator circuits scales nsPEF output while limiting distortion and unnecessary energy use.

Selective panel triggering lets modular pulse circuits match load resistance and pulse duration for tumor nsPEF treatment with less distortion.

Dynamic gain control tracks DC offset in electrophysiology signals to prevent ADC saturation while preserving low-noise signal fidelity.

Impulse detection and pulse-powered switching let ECG monitoring resume immediately after cardioversion while protecting the monitor.

A capacitor-driven voltage spike lets an H-bridge SCR self-trigger, simplifying AED switching while enabling lower-voltage bipolar therapy.

An automatic voltage-spike control circuit turns on an H-bridge SCR without complex drive hardware, enabling low-voltage bipolar defibrillation.

A dual-connector implantable defibrillation generator supports non-transvenous leads and later lead retrofits with lower implantation risk.

A reed switch activated by magnet removal keeps a pocket AED de-energized until use, reducing wear while enabling fast deployment.

A moisture barrier and pillow-backed electrode assembly keep skin contact stable, reducing ECG noise and irritation in wearable defibrillators.

Shock artifacts trigger sync circuitry to coordinate dual defibrillation timing, reducing manual error and improving repeatable therapy delivery.

Detachable defibrillation modules let one host switch between single- and dual-channel shocks for more flexible refractory VF rescue.

Audible markers let separate recorders and medical devices align rescue-scene audio with parameter data for accurate event association and review.

Acoustic receiving circuitry lets an implantable medical device detect commands while primary wireless circuits sleep, extending battery life and limiting size.

Median-based filtering and signal quality indication improve long-term ECG heart rate tracking in wearable defibrillators while reducing false alarms.

Dual filtered physiological data supports automated analysis and manual review during chest compressions without pausing treatment.

Detachable mechanical and electrical connectors let patients replace adhesive patches while reusing sealed electronics for longer wear.

A resonant current-control network switches resonance modes to match patient impedance and deliver accurate defibrillation pulses efficiently.

An asymmetric shield on the pacing electrode redirects therapy fields toward the heart, reducing extracardiac stimulation and power use.

Cardiac feature variation and accelerometer-based sleep detection enable real-time apnea monitoring with lower battery drain in implantable devices.

Real-time heart rate and duration criteria trigger pacing only in life-critical bradycardia, reducing unnecessary stimulation and pain.

Short recurring pulse artifacts are identified and replaced in implantable heart sensor signals to improve fibrillation and tachycardia detection.

An integrated CPR-AED algorithm coordinates rhythm analysis, chest compression, and shock delivery to improve emergency heartbeat restoration.

Mechanical heart vibration sensing improves arrhythmia detection specificity, helping implantable defibrillators avoid unnecessary shocks.

Cross-channel ECG similarity detects wearable defibrillator noise, suspends rhythm analysis, and reduces false shock alerts.

Pre-validated ECG checks and variable time segments speed shockable rhythm detection, helping caregivers deliver defibrillation sooner.

Electromagnetic signal matching identifies implanted devices without X-rays or manual verification, speeding access to device and patient data.

An external WCD identifies representative ECG peak intervals to calculate heart rate despite electrical noise and support timely shocks.

Usage events and device patterns trigger audio-visual training, helping patients retain operating and maintenance knowledge without a service representative.