Spinal Electrodes TRIZ Cases

An actuator assembly transitions a stylet wire between retracted and extended positions to navigate anatomical obstructions while minimizing tissue disruption.

Multi-electrode neural recording compares propagation properties to isolate electrode migration effects and improve measurement precision.

A 3D user interface system manipulates stimulation fields within anatomical regions to generate precise therapy parameters.

Platinum black electrodes enable direct neural conduction block in the spinal cord, preventing electrochemical tissue damage from high charge delivery.

A coiled wire lead delivers electrical pulses to transected nerves, generating comfortable paresthesia to mask pain signals.

A microelectrode catheter navigates the subarachnoid space to access neural structures.

A catheter with bipolar electrode arrays monitors and modulates renal sympathetic nerves via electrical or thermal energy delivery.

Excimer laser surface modification creates high aspect ratio features on implantable electrodes to enhance charge transfer efficiency.

Expandable wire-like elements on an implantable stimulation lead fix the device to surrounding tissue, preventing migration and simplifying explantation.

An equal intensity function generates paired pulse width and amplitude values from a single stimulation intensity setting.

Expandable lead member anchors to vessel wall, reducing dislodgement and blood clot risk during chronic vagus nerve stimulation.

Segmenting the implant into independent units with shared return paths improves spatial selectivity while minimizing tissue damage.

A pointed-tip stylet assembly guides a stimulation lead directly into tissue for precise placement alongside the sacral nerve.

Segmenting the mandrin into distinct functional zones enables precise bioimpedance monitoring while eliminating wire interference during tissue targeting.

A control unit processes patient feedback and sensor data to formulate an optimized neuromodulation protocol.

Implantable medical devices deliver combined high-frequency electrical stimulation through time-interleaved lower-frequency pulse trains across unique electrode sets.

Preformed contours in flexible strain relief tube accommodate patient movement while preventing distal end strain.

A stimulation lead positions electrodes near the dorsal root ganglion to target small fiber cell bodies and modulate glial cells.

Pneumatic suction stabilizes peripheral nerves without mechanical compression, preventing crush injuries and hemorrhage common with clamp-based fixation.

Pre-attached anchoring sleeves on neuromodulation leads stabilize electrode positioning by engaging sutures directly, avoiding lead body punctures.

Non-linear thermoset lead bodies prevent irreversible silicone binding, simplifying implantation sizing while maintaining effective therapy delivery.

An implantable stimulation device uses shape memory alloys to anchor electrodes at the target site.

Electrical stimulation activates the recurrent laryngeal nerve to trigger glottic closure reflexes.

Sink-regulated H-bridge circuitry with dynamic voltage supplies delivers biphasic stimulus signals across high electrode-tissue interface impedance.

Repositioning circuitry adjacent to header structures reduces implantable device height while maintaining electrical coupling.

An implantable neurostimulator delivers combined spinal cord and peripheral subcutaneous field electrical signals to induce paresthesia.

Multi-layer shielding reduces RF-induced heating at electrodes, resolving safety risks during MRI procedures.

Adjustable implantable lead moves electrodes via signal lines to optimize stimulus delivery without invasive re-surgery.

Electrical stimulation of the stomach activates anti-inflammatory vagal reflexes, preventing acute pancreatitis induced by endoscopic procedures.

Self-closing channels eliminate cover plates to prevent cross-talk while flanges enable minimally invasive nerve insertion.

A silver core wrapped in beta titanium alloy reduces power loss while maintaining tensile strength and ductility for medical leads.

Expandable lead reshapes blood vessel and nerve trunk to elongated shape for precise neural stimulation.

An implanted safety device creates at least 50 ohms of impedance to block RF-induced currents, preventing tissue overheating during MRI procedures.

A spinal cord stimulator applies modulation functions to tonic pulse parameters, generating time-varying waveforms for patient testing.

Curved, composite electrode backing guides sutures and resists tearing to secure baroreceptor stimulation without damaging vessel tissue.

Wound electrode guide encloses vessel circumference to resolve reliability and adaptability contradiction.

A coiled stimulation cuff uncoils via an elongate element to wrap around a nerve.

A neurostimulation system coordinates stimulation and sensing timing channels to capture electrical parameters during interpulse intervals.

Periodic modulation of electrical stimulation signals manages collateral nerve recruitment, reducing uncomfortable sensations and inflammation during therapy.

A thermally sensitive PTC material transitions to high impedance when heated by unsafe currents, preventing tissue heating during MRI procedures.

Active monitoring replaces bulky output capacitors, enabling miniaturization of multi-channel neural implants while preventing lethal current leaks.

Radial electrode spacing minimizes stimulation artifacts, enabling accurate physiological signal recording for real-time therapy adjustment.

A helical connection portion winds around the electrode axis to enable longitudinal extension.

Segmented gripping rails stabilize thin paddle leads during spinal cord placement, preventing rotation and bending.

Helical wire wrapping with variable diameters around a central insulator creates a fused polymer lead body capable of elastic elongation.

Sliding housing elements enable rapid lead insertion, reducing procedure time and bulkiness in deep brain stimulation systems.

Multi-site direct current stimulation suppresses hyperexcitable spinal motor neurons, slowing disease progression in ALS.

A catheter transducer heats nerves to evoke neural responses, providing real-time feedback that resolves uncertainty about nerve destruction success.

An expandable electrode chronically implanted in a blood vessel delivers electrical signals to adjacent nerve trunks through the vessel wall.