Head Electrodes TRIZ Cases

Sensors in a cochlear implant measure basilar membrane excitation patterns from acoustic test signals to recover lost tonotopic mapping information.

Insulated field-shaping electrodes direct electric current from active sources, resolving the contradiction between precise control and device complexity.

Moving electroporation electrodes through tissue creates a dynamic electric field that treats more cells without increasing device complexity or causing damage.

A speech processor modifies acoustic stimulation signals to maintain hearing function in residual frequency ranges.

Non-uniform winding density on implantable leads reduces tissue heating during MRI while maintaining low DC resistance to extend battery life.

A low profile instrument immobilizer secures electrodes through burr holes using snap-fit retaining members and bone screws.

Segmenting the internal unit into a permanent passive electrode array and a replaceable active electronic device eliminates invasive replacement procedures.

A protective case docks behind-the-ear speech processors to enable body-worn use, eliminating the need for separate infant and adult devices.

Electrical stimulation therapy eliminates bacterial loads and biofilms while fostering gingival regeneration to address periodontal disease.

A skull-mounted deep brain stimulation device uses directional electrodes to focus electrical fields on specific brain regions.

A spring-loaded retractor mechanism moves from a distal to proximal position to retract the stiffening member from an electrode array portion.

A hearing prosthesis uses impedance spectroscopy to measure electrode proximity and tissue characteristics via frequency-dependent electrical signals.

Bent micro-wire stimulators create asymmetric magnetic fields to selectively activate specific neural populations in the cortex.

Composite imaging overlays cortical activity onto vascular anatomy for precise electrode targeting.

A semi-permeable membrane isolates the inner ear fluid from bacterial contamination while allowing selective therapeutic delivery through the catheter lumen.

Electroporation protection circuit maintains stimulation electrodes at equal potential during high-voltage field application.

A microcirculatory assessment system measures local blood flow using conventional electrical techniques.

Periodic burst stimulation desynchronizes pathological neural oscillations, resolving the trade-off between therapeutic effectiveness and energy consumption.

Detecting pre-inspiratory drive signals enables preventive hypoglossal nerve stimulation, eliminating external sensors and reducing device complexity.

A degradable matrix and microfibres stabilize implanted medical devices against tissue movement, enabling gradual integration and easy removal.

Asymmetric electrodes reduce interface impedance and extend battery life by focusing electrical stimulation on target tissues.

Segmented architecture offloads signal processing to a backend device, reducing power consumption and tissue disruption in chronic neural interfaces.

A control system manages electrical stimulation delivery through configurable pulse trains and real-time parameter adjustments.

A C-shaped ear sensor scaffolding structure uses spring force to maintain secure contact points along the ear canal wall.

A biocompatible metal-containing compound layer on the electrode surface provides chemical stability and reduces corrosion.

Grafting graphene oxide onto medical silica gel improves hydrophilicity and reduces cytotoxicity, preventing tissue envelope formation.

Coherence-based adaptive filtering removes body vibration noise from implantable microphones to improve acoustic signal clarity.

A hybrid implantable device combines ECoG and intracortical electrodes to record stable neural signals.

Automated kernel density estimation classifies evoked response signals from noise, resolving signal discrimination difficulties for customized therapy.

Dynamic stimulation patterns reduce power consumption by adapting to spectral features.

Fluid passageways in a low-profile intercranial implant enable reliable electrical grounding through bodily fluid communication.

Convex optimization determines optimal electrode configurations for deep brain stimulation arrays using patient-specific geometry data.

Multi-electrode array stimulates specific vestibular nerve branches using segmented arrays and current steering.

An arcuate guide portion anchors elongated members in burr holes while a non-conductive fixation cap prevents heat induction during charging.

Periodic stimulation patterns prevent vascular habituation, sustaining pulsatility to clear misfolded proteins from the brain.

Segmented electrode leads incorporate cutouts and notches to achieve radial current steering, reducing unwanted stimulation of neighboring neural tissue.

A visual implant uses metal oxide nano-structures on micro-electrode tips to lower interface impedance and control stimulation currents.

Integrated external ear device transmits electrode driving signals wirelessly, eliminating bulky wires for improved user comfort.

Automated shape analysis adjusts visual prosthesis electrodes, eliminating manual fitting time while maintaining spatial precision.

Helical segmented electrodes steer current to specific neural targets while avoiding unwanted stimulation of neighboring tissue.

Oral appliance integrates oxygen, pressure, and airflow sensors to activate tongue stimulation or pharmaceutical delivery for sleep apnea management.

Extracranial and cerebrospinal fluid electrodes drive pathological proteins into ventricular spaces via controlled electrical currents.

A modular diagnostic system generates acoustic stimulation and processes recording data to provide real-time feedback during cochlear implant procedures.

A cochlear implant system selects stimulation channels based on local neural survival indicators derived from amplitude growth functions.

Multiple electrode mapping strategy groups filter channels to stimulate distinct frequency ranges at varying rates across shared electrode arrays.

Segmented cochlear implant architecture allows processing circuitry upgrades via a separate surgical approach, preserving cochlear tissue integrity.

A brain stimulation system adjusts parameters using real-time EEG monitoring and machine learning algorithms.

An electrode matrix stimulates the tongue to simulate flavors, resolving the trade-off between high sensory accuracy and device complexity.

Alternating rigid and isolating layers in the electrode assembly dampen acoustic feedback, reducing noise levels to ±25 μV for improved signal integrity.