Spinal Electrodes TRIZ Cases

Sequential impedance measurements filter interference from other resistances and capacitances to ensure accurate lead condition assessment.

An elongated sheath guides electrical stimulation leads through the epidural space, resolving positioning accuracy challenges near dorsal root ganglia.

A blood flow control device modulates gastrointestinal perfusion to induce satiety and limit nutrient absorption.

A polymeric protective tube reduces friction between flexible pins and the probe shaft, preventing delamination during deployment.

Differential output circuit generates AC pulses for electrical stimulation, eliminating complex switch arrays to reduce device volume and power consumption.

A segmented injectrode manifold delivers drugs and electrical pulses to neural circuits, eliminating dead-volume overdosing from single-lumen switching.

Paired needle electrodes modulate electrical fields for selective nerve activation, resolving the trade-off between deep tissue targeting and patient comfort.

An implanted passive conductor routes electrical current from surface electrodes to specific tissues, eliminating external coils and reducing infection risks.

Radiofrequency ablation of the aorticorenal ganglion reduces kidney nerve activity without thermal endothelial damage or surgical complexity.

Ceramic adhesion layers prevent encapsulant delamination while thin substrates maintain tissue conformity.

Anodal trans-spinal direct current stimulation down-regulates neuronal NKCC1 to resolve inadequate long-term spasticity reduction.

Flexible CMOS neural probes integrate on-chip antennas to enable wireless power and data telemetry, reducing tissue damage from percutaneous wires.

A retention assembly secures implantable leads to connectors using integrated threaded members and split collets.

Bioabsorbable coatings on lead retention means degrade over time to reduce extraction difficulty while preventing chronic tissue inflammation.

External unit regulates power delivery based on antenna coupling degree, reducing device complexity and invasiveness for sleep apnea treatment.

A shape memory polymer lead transitions configuration to resist migration within body tissue.

Flexible carrier unit positions electrodes to modulate nerve activity for treating sleep disorders and migraines.

A medical electrode device features an adjustable end that folds for insertion and unfolds for tissue contact.

External control device selects target energy bounds to generate a specific stimulation set for patient therapy.

Coiled conductors within a fatigue-resistant zone withstand shear forces from lower back muscle movement, preventing lead fracture and dislodgement.

Segmented arm members deflect the resilient cuff body to open around target nerves, ensuring secure retention without complex pre-positioning.

Segmented needle and contact electrodes isolate C fiber signals from external noise, enabling accurate timing measurement in aged patients.

Adjusting duty cycle and burst frequency in vagus nerve stimulation targets cardiac fibers while avoiding laryngeal muscle activation.

A single implantable medical electrical lead with a tri-pole electrode array eliminates invasive open surgical techniques such as laminotomy or laminectomy while allowing for precise positioning and efficient electrical stimulation delivery.

Helical wire interconnections between segmented platinum contacts absorb compression stress, preventing wire breakage in large diameter nerve trunks.

A segmented delivery tool body resists bending in one plane while facilitating bending in a perpendicular plane to guide paddle leads.

A steerable stylet handle assembly uses a button to expose and cover a pre-curved inner wire within an outer tubing.

A multichannel clip device couples multiple neurostimulation electrodes to a programmer via a flexible cable.

A sensing technique uses conditioning pulses to evoke responsive signals with sufficient strength for reliable measurement.

External magnetic field induces current in implanted conductor to stimulate target nerve tissue, reducing invasiveness while maintaining selective activation.

Voltage symmetry modulation reduces power consumption and artefact while maintaining effective neural recruitment in implantable devices.

Segmenting the paddle into independent columns resolves limited spatial resolution and stability issues in chronic pain management.

Liquid crystal polymer substrates transition from planar to cylindrical forms, eliminating delamination risks during over-molding.

Curved introducer needles and wing attachments resolve Touhy needle depth issues, enabling accurate A Beta fiber targeting.

Segmented stimulation programs coordinate multiple independent electrode groups to overcome single-program limitations and restore complex motor movements.

Segmented vagus nerve electrodes deliver targeted electrical signals to modulate neural activity and restore sympathetic parasympathetic balance.

Self-expanding introducer tool delivers and positions percutaneous electrodes via catheter without surgical sutures.

Optical folding assembly stabilizes signals in implantable pulse generators using VCSELs and photodiodes.

A neuromodulation device applies electrical signals to postganglionic ovary-innervating sympathetic nerves.

An implanted passive conductive element focuses external magnetic fields to selectively activate target nerves, reducing spillover and side effects.

Segmented anchors and integrated sutures reduce installation complexity while maintaining stable device positioning.

A fixation element anchors neuromuscular leads using external tissue contact to secure electrode placement without penetrating the surrounding anatomy.

A neurostimulation device delivers combined AC and DC pulses using a charge balancing system to manage electrode interface loads.

Electrical stimulation of the splenic nerve replaces imprecise drug pharmacokinetics, enabling precise inflammatory state control.

Mechanical pushing system replaces pneumatic ejection to eliminate impact damage during precise nerve electrode insertion.

An insulating sheath with a window delivers electrical stimuli to the vagus nerve from within the internal jugular vein.

Merging spinal stabilization with neuromodulation reduces post-operative medication reliance and hospital stay times.

A programming system for peripheral nerve field stimulation uses input vectors to determine electrode configurations.

A medical lead system uses an introducer to constrain self-expanding fixation elements during insertion, enabling precise distal electrode placement.