Epicardial Electrodes TRIZ Cases

Pre-excitation pacing therapy delivers timed electrical pulses to myocardial sites near an infarct to synchronize ventricular contraction.

Merging drive-sense circuits onto one line eliminates separate wiring, reducing power consumption while maintaining reliable bidirectional data communication.

Hinged lead design reduces mechanical stress on myocardial tissue during cardiac motion, enabling minimally invasive implantation and reliable long-term pacing.

An implantable device adapts pacing parameters based on real-time cardiac feedback to improve diastolic function in HFpEF patients.

A subcutaneously implantable cardiac device uses a clip to anchor the housing to tissue while prongs extend to contact the heart for sensing and therapy.

Coaxial suction feet stabilize epicardial tissue, enabling precise lead placement without complex venous navigation.

A leadless pacemaker identifies atrial events using ventricular filling artifacts detected by motion sensors.

Navigating a guidewire through the transverse sinus and capturing it with a snare stabilizes epicardial devices while preventing coronary artery puncture.

A spring-biased tethering cap shifts between closed and open configurations to guide catheters through tight cardiac spaces.

Combining a piercing tip with a conductive helix resolves the trade-off between complex fixation mechanisms and reliable tissue contact.

Segmented intra-pericardial leads eliminate MRI-induced RF heating by placing telemetry coils outside the myocardium while maintaining precise pacing access.

A planar spiral attachment expands radially to anchor an implantable cardiac device within a heart chamber.

A pacing extension carries a cathode electrode from the pacemaker housing to a spaced-apart site within the heart chamber.

Piercing the left atrial appendage enables direct ventricular access while minimizing thrombosis risks from foreign devices.

Segmented electrode surfaces with integrated control elements maintain predetermined current density, preventing tissue toxicity during direct current therapy.

Segmented electrode segments distribute energy across the chest wall to reduce canister volume while maintaining defibrillation capability.

Elastically deformable retention features expand to allow device passage and contract to secure implants within a catheter shaft lumen.

A coiled medical lead extends from a sealed sheath to accommodate patient growth, reducing tensile stress on the implant site.

A bipolar myocardial pacemaker electrode uses a tangential cathode and proximal anode for pediatric implantation.

Segmenting the lead system into a separate external unit reduces surgical complexity while maintaining reliable electrical connections for monitoring.

Adhesive retention patches distribute strain on temporary pacing leads, enabling patients to leave the hospital after cardiac procedures.

A subcutaneous device clip moves between open and closed positions to anchor the housing securely.

An articulation sheath delivery system orients a distal outer tube to navigate venous anatomy for precise implantable device deployment.

Magnetic-positioning signals from body-surface patches estimate the distance between pacing electrodes and the phrenic nerve.

Segmenting the lead and using an RF puncture generator minimizes septal perforation risks while enabling reversible left ventricular stimulation.

Segmented delivery catheters hold two leadless pacing devices sequentially to reduce procedure time and system costs.

Segmentation and extraction principles simplify the lead system, reducing surgical complexity while maintaining reliable signal transmission.

A leadless cardiac pacing device integrates electrodes and power into a single housing for coronary sinus implantation.

An implantable direct-current electrode assembly modulates cardiomyocyte activity through a controlled potential difference between right atrial and coronary sinus electrodes.

Switches implantable medical device communication between conductive and RF modes, resolving energy reliability contradictions during MRI exposure.

Forceps-like branches clamp electrodes axially to prevent rocking, resolving the trade-off between secure holding and easy release.

An integrated polymeric housing prevents polymer ingress during over-molding, reducing manufacturing complexity while maintaining hermetic sealing.

A tether holder secures a proximal tether end within a handle assembly receptacle for controlled device delivery.

A catheter extension stabilizes the imaging element against beating heart walls, enabling direct visualization of lead placement through blood clearance.

Folded flexible substrate isolates battery and circuitry to prevent short-circuiting in miniaturized leadless pacemakers.

Integrated transvenous lead combines cardiac rhythm management with diaphragmatic stimulation to reduce invasive surgical complexity.

Elastic fixing elements deploy from the distal end of an implantable electrode lead to anchor tissue, eliminating incisions and infection risk.

A temporary pacing lead with a curled shaft stabilizes on the endocardial surface without fluoroscopic guidance.

Segmented housing and flexible prongs anchor the device to tissue while contacting lungs to measure transthoracic impedance, reducing surgical complexity.

Rotation and deflection control mechanisms enable precise placement of implantable devices while minimizing tissue damage during insertion.

A delivery device uses electrodes to measure electrical impedance for implantable medical device fixation.

An expandable fixator anchors a guidewire within blood vessels, eliminating catheter slitting and reducing procedural complexity during cardiac lead delivery.

Segmenting morphological analysis into separate paced and intrinsic templates enables accurate tachyarrhythmia detection without inter-device communication.

Expanding securing mechanisms anchor implantable leads to tissue, eliminating suturing steps and reducing procedure time.

Segmenting the device into a replaceable capsule and fixed base extends lifespan while reducing surgical trauma.

A shapeable guiderail catheter adapts to patient anatomy for precise coronary sinus positioning.

Cross-validating near and far field cardiac signals to resolve detection accuracy trade-offs and prevent inappropriate therapy delivery.

Relocates pacing electrodes to the heart surface via percutaneous access, eliminating fluoroscopy requirements and venous system barriers.

A felt patch of entangled conductive fibers interweaves with soft tissue to provide a secure mechanical attachment and low-impedance electrical interface.