Internal Electrodes TRIZ Cases
- Varying RF Impedance Filars for MRI Safety in Implantable Leads
Varying conductor RF impedance distributes RF energy uniformly, preventing tissue heating and hot spots during MRI procedures.
- Flexible Probe Force Sensor Using Magnetic Sensing
Magnetic sensing replaces mechanical transducers in a flexible probe, enabling accurate contact verification for consistent cardiac ablation lesion formation.
- Implantable Capsule Screw Anchoring via Laser Welded Radial Rods
Laser welding joins radial rods to the helical screw base, distributing axial loads across multiple points to prevent accidental detachment from cardiac tissue.
- Medical Lead Ring Electrode Snap-Fit Header Integration
Merging the coupling member and header eliminates adhesive curing delays while ensuring precise ring electrode positioning without separate insulation layers.
- Wireless Neural Stimulator Controller With Closed-Loop Feedback
A wireless neural stimulation system uses closed-loop feedback to adjust pulse parameters for consistent therapy delivery.
- Intracardiac Defibrillation Catheter Energy Delivery
A defibrillation catheter system applies direct current voltage between intracardiac electrodes to deliver necessary electric energy for treatment.
- Transducer Placement in Internal Thoracic Vein for Ultrasound Power Transfer
Placing a transducer in the internal thoracic vein bypasses rib attenuation to improve power transfer efficiency for leadless cardiac pacemakers.
- Leadless Pacemaker Rate Control via External Activity Sensor
A leadless pacemaker receives patient activity data from an external implanted device to adjust pacing rates.
- Defibrillation Lead Dislodgement Detection via Far-Field EGM Analysis
Analyzing far-field electrogram signals detects lead dislodgement, suspending ventricular fibrillation therapy to prevent inappropriate shocks.
- Transvascular Neuromodulation for Acute Heart Failure
Transvascular neuromodulation enhances heart contractility without increasing oxygen consumption or arrhythmia risk.
- TRPV1 Agonist Topical Application for Ischemic Cardiac Tissue Protection
Topical capsaicin activates TRPV1 receptors to reduce infarct size and apoptosis, mitigating reactive oxygen species damage during reperfusion.
- Mono-body Defibrillation Probe Continuous Sheath Core Design
Continuous sheath cores with cavities and inserts eliminate connection weaknesses, ensuring reliable high-energy shock delivery.
- Cardiac Lead Shielding via Outer Conductive Member Dissipation
First electrode dissipates induced current through larger surface area, reducing thermal energy generation in implantable medical devices during MRI exposure.
- Implantable Pacemaker Atrial Detection Circuit
A leadless pacemaker processes cardiac sense signals to detect atrial events using dynamic thresholds.
- Rotatable Implantable Device Body for Leadlet Extension Adjustment
A rotatable proximal body portion alters leadlet extension length to position pacing electrodes within the heart.