Cobra 3

The three-plate electrode configuration maximizes vocal cord contact area, ensuring consistent, high-fidelity EMG signals with minimal repositioning. This advanced design reduces the risk of signal dropouts or false readings caused by tube displacement or secretion buildup

1. Optimized for Nerve Protection – Reliable EMG signal supports RLN monitoring and identification, supporting surgical decision-making that can reduce the risk of nerve damage and preserve vocal cord function.
2. Seamless Integration – Works with all leading neuromonitoring systems without requiring extra components.
3. High-Precision EMG Monitoring – Maximizes signal detection with innovative three-plate electrode technology and elongated plated for optimized contact with the vocal cords.
4. Regulatory Compliance & Safety Certifications –

a. Meets FDA and CE regulatory standards for intraoperative neuromonitoring.

b. Fully approved for use with IEC 60601-1 compliant EMG monitoring systems, ensuring safety, reliability, and adherence to global medical standards.

Unlike standard EMG tubes, the Cobra 3P features a patented three-plate electrode design for wider EMG signal capture, superior contact stability, and reduced false negatives. It also integrates seamlessly with all major nerve monitoring systems without additional adapters or modifications.

The Cobra 3P EMG Tube is ideal for:
— Thyroid and parathyroid surgeries (protecting RLN integrity)
— ENT procedures (laryngectomy, tumor resections)
— Head & neck surgeries (where vocal cord function is at risk)
— Any procedure that can benefit from real-time recurrent laryngeal nerve monitoring

Yes. The Cobra 3P EMG Tube is universally compatible with single-channel and multi-channel EMG nerve monitoring systems, including those used for thyroidectomy, parathyroidectomy, and ENT procedures. Its 1.5 mm touch-proof DIN connectors(42802) enable direct plug-and-play functionality without extra equipment.

To ensure optimal EMG signal capture, the Cobra 3P’s electrodes should align symmetrically with the vocal cords. Proper positioning can be confirmed via test stimulation before the procedure begins, ensuring clear, responsive EMG feedback.

The zero-profile, atraumatic electrode design eliminates the bulkiness associated with wire-based electrodes, reducing airway irritation and post-operative discomfort. Unlike conventional EMG tubes, Cobra 3P provides superior nerve monitoring without increasing tube diameter.

No, intubation with a C3P EMG tube follows current medical techniques, with the recommendation of using a Glidescope. Once the EMG tube is placed the electrode plates should maintain direct contact with the vocal cords. With the C3P EMG tube, it is important to avoid scraping of the electrodes during intubation. Otherwise, electrode damage from this can impede accurate EMG signals. Once intubated the EMG tube should be secured in a midline position, a side rotation is not recommended.

C3P is similar to most integrated EMG tubes, like the Cobra 2-Ch the solid red and blue lead wires correlate to the lateral electrodes (right and left) but the unique difference is that the 3rd electrode is connected to two lead wires (red/white & blue/white) creating a singular posterior reference electrode. This design optimizes the EMG response by maximizing the area covered by the electrodes and produces redundant monitoring of the vocalis muscles if tube rotation is inadvertently experienced.

The Cobra 3P EMG Tube offers a more advanced electrode design, maximizing contact stability and reducing false negatives. Unlike the other EMG endotracheal tubes, which can require frequent repositioning, the Cobra 3P’s three-plate system ensures better signal capture with fewer interruptions

Yes, the C3P EMG tube has the longest recording plates of any laryngeal electrode (EMG tube and surface EMG electrodes) on the market allowing it to accommodate large patients and longer airways. To assist in accurate depth placement the 18-24 cm depth markings are visible on the ET tube.

No, although the new electrode geometry is designed to reduce alignment sensitivity, it is recommended that EMG tube be aligned and maintained to the middle of the pharynx and positioned with the red wire on the right and the blue wire on the left. This position creates the proper right/left contact between the vocal cords and its respective electrode/plate.

The Cobra 3P EMG Tube is available directly through Neurovision Medical Products and authorized distributors. For ordering information or to request a quote, fill out the form below, and our sales team will contact you.

Yes. The Cobra 3P EMG Endotracheal Tube is FDA-approved and CE-certified, meeting global safety and performance standards for intraoperative neuromonitoring devices. It also complies with IEC 60601-1 standards for medical electrical safety.