Head Electrodes TRIZ Cases

A device applies electrical stimulation to the Meibomian gland through an eyelid contact electrode.

Thermoforming a flexible circuit electrode array with a tack opening matches retinal curvature, reducing tissue pressure while maintaining electrical contact.

A neuromodulation mouthpiece positions electrodes on the tongue via a posterior center of gravity design.

A bilateral hearing implant system dynamically selects between envelope-based and event-based coding strategies to optimize auditory perception.

Segmented electrodes on a helical lead direct current toward target neurons, reducing unwanted stimulation of neighboring neural tissue.

Serially couples electrical sources to prevent pulse overlap and frequency locking in multi-channel neurostimulation systems.

Partial pulse segmentation directs specific frequency components to electrode contacts, resolving side effects from adjacent area stimulation.

Segmenting active electronics externally reduces surgical complexity for sensorineural hearing loss implants.

A subretinal implant uses a transretinal electrical lead routed through the sclera to connect external stimulation sources while preserving retinal tissue integrity.

Carbon nanotube wires with radioactive particles prevent fibrotic tissue growth on the electrode line.

Segmented clamping elements with compression springs apply equal holding force to multiple electrodes, resolving uneven advancement during insertion.

Electrocorticography records cortical activity to map language and motor functions passively, eliminating seizure risks from electrical stimulation.

A signal processing device analyzes neuronal electrical activity to predict seizure onset types.

Aiming rod with apertures aligns surgical tools to target locations, reducing stereotactic frame complexity.

Concave electrodes reduce skull resistance and power consumption by optimizing current density distribution.

Photo-patternable adhesive prevents delamination by bonding IC chips to parylene substrates in high-lead-count retinal implants.

Segmented implantation system uses a rigid insertion tool to penetrate dura mater, then disengages from the flexible thin-film strip to minimize tissue damage.

Segmenting the magnet from the overmolded body reduces biofilm formation and enhances MRI compatibility while maintaining coil alignment.

A robotic tool holds a cochlear implant electrode array and mimics human hand motions to enhance placement precision.

Anti-phasic current channels reduce leakage between stimulating electrodes, enabling precise targeting of deep or superficial brain structures.

Dynamic filter selection adapts high-resolution input images to limited electrode array capabilities while maintaining medical device security.

An asymmetric trapezoidal housing anchors an implantable stimulator in a bone recess, preventing migration and reducing stress on electrode leads.

Implantable stimulation leads integrate RF chokes and receive antennas to resolve MRI incompatibility and image distortion.

A piezoelectric micro manipulator moves brain electrodes with nanometer precision using clamp and drive actuators.

A protruding loop on the flexible electrode lead engages a fixing element to prevent post-insertion shifting and maintain stable cochlear positioning.

A phase-locked stimulation system synchronizes oscillations across multiple brain regions using closed-loop feedback.

Single crystal cubic silicon carbide electrode shanks prevent immune encapsulation and ensure long-term reliability in implantable neural prosthetics.

Spatially distinct contact surfaces deliver customized electrical stimulation to resolve uniform current limitations in conventional vestibular systems.

Depositing organic semiconductor layers on curved insert surfaces resolves the trade-off between device complexity and functionality.

Segmenting the reservoir isolates refilling from diffusion, preventing internal pressure spikes that disrupt drug homogeneity in target tissues.

Integrated electrode enables continuous brain activity monitoring after ventricular shunt explantation.

A microelectrode substrate with a fluid-filled cavity structure adjusts mechanical stiffness for neural implantation.

A microendoscope rotary joint allows the imaging fiber to rotate freely with animal movement.

A closed-loop deep brain stimulation system detects local field potential signals to trigger pulse generation only during abnormal beta band oscillations.

Two diametrically magnetized magnets in a rotatable frame reduce torque and material while maintaining alignment for MRI compatibility.

An electrode selection scheme assigns importance values to cochlear implant electrodes and reserves high-importance channels during fixed time windows.

A non-invasive mouthpiece delivers subcutaneous electrical stimulation to the patient's tongue via a posterior-centered housing and printed circuit board electrodes.

A connectorized cochlear implant system uses a modular interface to switch between wireless and wired communication protocols for component upgrades.