Transvascular Endocardial Electrodes TRIZ Cases

A multi-sensor right ventricular electrode integrates photoplethysmography, temperature, and impedance sensing to deliver cardiac rate adaptive pacing.

A feedthrough assembly uses a specific glass seal composition to secure terminal pins within a ferrule and insulating structure.

A medical lead with a distal helical bias accommodates varying vein diameters, reducing migration and ensuring reliable electrical stimulation.

A cardiac rhythm management system detects left ventricular lead displacement by comparing electrogram waveforms against stored baseline patterns.

Electrical stimulation of the His bundle treats AV nodal reentry tachycardia without damaging conduction tissue.

Segmenting rigid body portions from flexible segments with helically wound conductors reduces fatigue failure rates caused by sharp bending stresses.

Collapsible ring electrodes conform to vascular structures, eliminating dislodgment risks and ensuring stable pacing.

Spirally wound carbon nanotube yarn reinforces the conductive core, resolving the contradiction between miniaturization and mechanical durability.

A leadless pacing device uses an electrode extension and tether to deliver biventricular pacing while eliminating transvenous lead fracture risks.

Segmenting the bond section with insulation and leaving the sensor section uncoated reduces drift failure rates to 1±1% by eliminating uneven coating effects.

Placing conductors on a solid core wire surface maintains steerability and rotatability while providing multiple electrical pathways.

Dynamic lead monitoring frequency adjusts based on patient characteristics to detect integrity issues, reducing device complexity and energy consumption.

An isolation component suppresses induced currents and voltages in cardiac stimulators by rapidly switching signal paths to prevent system failure.

A low-power apparatus measures complex electrical admittance using implanted electrodes to monitor cardiac function.

Phenoxy-containing polyisobutylene soft segments resist oxidative degradation from free radicals while maintaining hydrolytic stability.

Random diaryl ketone dispersion in N-vinyl pyrrolidinone copolymers resolves synthesis contradictions to yield durable, biocompatible medical device coatings.

Titanium nitride coating on biostimulator electrodes minimizes polarization artifacts to enable reliable atrial evoked response detection.

Embedded position tracking sensor generates electric position signals via electromagnetic induction, eliminating angiography risks and contrast agent exposure.

An implantable medical device with an angled header and fixation mechanism enables precise cardiac targeting.