Spinal Electrodes TRIZ Cases

A current drive differential amplifier selectively sources or sinks stimulation current using discrete components.

A flexible paddle-style lead uses a shape memory alloy frame to expand for insertion and resume its rigid shape.

Injectable microstimulators placed adjacent to thoracic spinal nerves induce forced expiration through direct electrical stimulation.

Repositionable contacts within a lead body overcome cerebrospinal fluid blurring to maintain precise neural targeting.

Charge-balanced high-frequency alternating current electrical stimulation selectively blocks nerve signal transmission in C-fibers.

Biasing members expand to capture dorsal root ganglia, preventing lead migration and ensuring reliable neurostimulation therapy delivery.

External control device links electrode sets to lock stimulation amplitudes and conserve total electrical current.

Variable electrode spacing on a neurostimulation paddle lead steers current to target dorsal column fibers while avoiding dorsal root fiber activation.

Segmented cells expand sequentially to wrap biological structures, reducing opening size and procedure complexity.

A neurological stimulation lead anchor uses a movable retainer to releasably attach the spinal cord lead.

Controller circuit determines sensor operating modes based on functional state signals to generate pain scores.

Hydrophilic pledget substrates enable continuous nerve stimulation without adhesives, eliminating surgical trauma from invasive electrode placement.

Impedance-based navigation guides a neural stimulator through the greater palatine canal, resolving placement precision challenges.

A conductive body contact electrically couples to a lead's conductive structure to manage electromagnetic radiation.

Space domain scaling normalizes energy allocations across electrode groups to deliver precise sub-perception neuromodulation fields.

A deflectable needle-catheter system enables precise cannulation of the inferior orbital fissure for targeted therapeutic delivery.

Radial fixation wires collapse during insertion and deploy to anchor therapy delivery elements.

Implantable sensing electrodes detect compound action potentials to adjust stimulation parameters in real time.

Segmented polyimide layers with adhesive interfaces resolve mechanical adhesion degradation in flexible neural implants.

Biodegradable leads eliminate surgical explantation by degrading into safe byproducts after temporary pain treatment.

Asymmetric electrode spacing on an implantable cuff improves depth selectivity while minimizing cardiac side effects.

A neuromuscular electrical stimulation system restores lumbar muscle function using an implantable pulse generator and subcutaneous electrode leads.

A neuromodulation catheter delivers energy to hepatic nerves to regulate metabolic processes.

Renal neuromodulation reduces sympathetic tone, addressing inadequate symptom management in current depression therapies.

Extracting batteries to external systems allows miniaturized implantable neuromodulators to receive wireless power and data.

Bundling conductors in a sheath creates flexible leads that reduce inflammatory reactions while maintaining corrosion resistance.

An implantable medical device delivers electrical stimulation to the tibial nerve.

Matching the dissection tool blank to the paddle lead cross-section creates a precise space, preventing oversized cavities that cause lead migration.

Intermittent vagus nerve stimulation modulates neural activity to improve glycemic control while avoiding pharmaceutical side effects.

Segmenting the piercing tip and extracting the large handle allows bidirectional removal through the passer tube, preventing tissue damage.