Internal Electrodes TRIZ Cases

Osmotic pump delivers genetic material to cardiac tissue, reducing stimulation energy and eliminating internal battery constraints.

Rotating circumferential fixation elements stabilize cardiac pacing leads while reducing tissue stress and scar formation risks.

An implantable stimulation system adjusts pulse parameters via biosignal sensors to steer therapy across tissue regions.

A neural stimulation controller adjusts biphasic waveform parameters to mitigate side effects.

A field target conductor positioned adjacent to an electrode lead redirects electromagnetic fields, reducing MRI-induced heating without complex shielding.

Asymmetric anchoring elements lodge an implantable wireless sensor in a lumen, preventing migration across varying anatomical structures.

Shielded RF chokes resist electromagnetic induction in implantable leads, preventing excessive heating during MRI scans.

Integrating feedthrough and connecting elements into a single sintered cermet component eliminates complex metallization and soldering steps.

Segmenting near-field and far-field signals allows the control module to identify short circuits via amplitude drops, ensuring reliable therapy delivery.

Dynamic pinching members compress the aorta to generate controlled pressure waves, reducing cardiac workload while maintaining blood flow.

Flexible conductive fabric electrode maintains uniform contact with moving cardiac tissue, preventing charring and ensuring consistent lesion formation.

A heterogeneous implantable medical device housing uses doped regions to form variable skin depths for selective electromagnetic energy transmission.

Segmented electrodes on an inflatable balloon conform to complex anatomy, reducing procedure time and collateral damage.

Correlating PPG and accelerometer pulse features eliminates electrode contact issues, reducing false alarms in arrhythmia monitoring.

A lead-borne device modulates electrical impedance to transmit digital data across a single conductor within an implantable medical lead.

Segmented lead electrodes switch pacing vectors to bypass insulation breaches and conductor fractures, sustaining cardiac therapy.

Fast broadband impedance spectroscopy differentiates transmural from non-transmural infarct scars, overcoming voltage measurement limitations.

Segmented latching pins with frangible attachments enable toolless lead insertion, resolving trade-offs between operational ease and connection reliability.

Segmented contact arrays with retainer elements prevent detachment of split proximal arrays while ensuring precise alignment.

An implanted medical device switches therapy protocols to maintain consistent duty cycles.

Thermal insulation separates sensors from cooling fluid, resolving measurement errors caused by rapid temperature changes during intracardiac ablation.

An implantable lead assembly integrates an inductive-capacitive tank to maintain high impedance at MRI frequencies.

A silicon substrate feedthrough establishes electrical pathways within a hermetically sealed housing.

Expandable balloon electrode arrays induce electric fields to facilitate intraluminal therapeutic agent delivery into vessel walls.

Conductive members link multiple contact points to shared polarity, reducing device size and setup time.

An implantable medical device detects intentional patient physical actions to autonomously control therapy operations without external hardware.

Dynamic envelope modulation adapts stimulation based on harmonic relationships, resolving poor pitch cue accuracy in noisy environments.

Viscoelastic polyurethane foam cushions the junction between synthetic and native conduits, preventing clotting while maintaining sterility.

A threaded interface converts rotational movement into axial displacement between a helical pacing electrode and a ring sensing electrode.

Continuous helical conductors eliminate connector interfaces that cause failure, reducing tissue attachment and easing extraction.

Autonomous ventricular event detection eliminates wireless coordination overhead, conserving power while maintaining reliable atrial pacing synchronization.

A high-frequency spectral analysis method measures imaginary impedance components to detect conductor migration and insulation failures in implantable cardiac leads.

Threaded lumen engagement secures the coil electrode while a porous polymer sleeve prevents tissue adhesion during defibrillation therapy delivery.

A titanium alignment ferrule joins zirconia ceramic to platinum rings, enabling self-centering assembly for implantable microstimulators.

A leadless cardiac pacemaker integrates a pressure sensor and electrodes to measure impedance and pressure data during cardiac cycles.

SiC encapsulation prevents moisture ingress into stacked gold and iridium electrodes, extending implantable connector service life.

Internal switches couple unused pins to set voltage levels, eliminating external components that increase device complexity and reduce reliability.

Segmented longitudinal bores distribute insertion forces to enable high channel counts in smaller implantable medical devices.

Implantable pulse generator and multi-polar lead system enable selective His bundle pacing with low capture thresholds, reducing pacing-induced dyssynchrony.

Radial stretching of the anchor body reduces holding force, enabling repositioning without compromising initial stability.

Leadless pacemakers monitor quality metrics and switch between primary and alternate communication windows to resolve orientation-induced signal failures.

Integrating optical fibers with electrical conductors in a single probe enables precise vestibular nerve stimulation without tissue overheating.

Template correlation extracts neural responses from noise and artifacts to automate threshold determination without manual inspection.

A coiled multi-conductor lead uses a collapsible sheath to compress electrical connections for minimally invasive delivery.

An inflatable ear canal element isolates sensors from ambient noise, ensuring accurate health data transmission.

Embedding conductors within the lead body material eliminates fluid gaps between the RF shield and conductor.

A lead body control unit amplifies transducer contacts to deliver precise electrical signals, reducing side effects from over-stimulation.