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.