Transvascular Endocardial Electrodes TRIZ Cases

Degraded insulating coating exposes distal cutting edge, concentrating RF energy to dissect fibrotic tissue around medical leads in fluid environments.

Titanium and diamond coatings on a cardiac lead act as a heat sink to prevent tissue damage during MRI exposure without adding complex circuits.

Pivoting covers resolve insertion force trade-offs by securing leads without migration.

Resilient arms frictionally engage terminal pins to secure cardiac leads, minimizing tissue entanglement risks.

A biostimulator uses coaxial helical fixation elements with differential axial stiffness to engage cardiac tissue securely.

A multi-filar coil on a non-conducting core raises inductance to minimize excitation heating from MRI radio-frequency fields.

Segmented catheter design with braided control lines reduces mechanical failure risk while enabling precise lesion formation.

A dual catheter neuromodulation system delivers targeted parasympathetic and sympathetic stimulation to the vasculature.

Laser-cut splice openings on a crimp connector penetrate insulation during assembly, reducing manufacturing costs and scrap from misplacement.

Ambulatory device fuses multiple physiologic signal metrics to dynamically determine optimal pacing parameters for cardiac resynchronization therapy.

A helically curved sheath shaft stabilizes electrode positioning in the heart septum.

Nested shield layers within implantable medical leads dissipate radiofrequency energy, preventing tissue heating during MRI scans.

System harvests power from cardiac signals to deliver pacing pulses, eliminating invasive transvenous leads while maintaining rhythm regulation.

A temporary pacemaker integrates an auxiliary battery and photovoltaic panel to extend operational time.

Segmented sheaths and nested deployment receptacles resolve invasiveness risks while securing accurate placement of intravascular implants.

Rotating helical anchors engage polymer-coated mesh to stabilize leads without penetrating vessel walls, enabling repositioning.

Porous microstructures trap lubricant to minimize contact area and prevent isolation failure in moving medical devices.

Rolling a coated thin sheet into a sleeve creates tubular devices with inner lubricious surfaces.

A capsule housing a tunable charge amplifier isolates circuitry from tissue growth, maintaining measurement accuracy in chronic applications.

Offset electrodes determine lead roll to correct field heterogeneities and improve localization accuracy.

Wireless recharging reduces battery volume, resolving the contradiction between device longevity and implantation ease by allowing periodic energy replenishment.

Segmented acute-angle fingers distribute traction across multiple contact points, preventing lead distortion or breakage during extraction.

A polymeric cardiac lead surface coated with a biological monolayer that recruits endothelial cells to prevent thrombus formation on left-sided implants.

An implantable medical system reconfigures therapy vectors using alternate electrodes to maintain power drain.

A steerable catheter with a sub-catheter enables telescopic extension of an intracardiac capsule for precise ventricular positioning.

Integrated sensing coils reduce lead breakage by merging magnetic field detection with pressure measurement.

A cardiac lead uses a pre-biased curved section and retaining member to position an electrode on the interatrial septum.

An active fixation member secures the lead tip within cardiac veins while the intermediary catheter resolves advancement difficulties in tortuous pathways.

An LC high-pass filter with a saturating ferromagnetic inductor protects telemetry units from MRI-induced voltages.

A collapsible coil element grips cardiac leads via elastic expansion to enable secure mechanical engagement.