Non-Invasive Vagus Nerve Stimulation (VNS) –KONMED

Our advanced tVNS technology is uniquely designed with a current-controlled system, ensuring precise and accurate stimulation levels. This advanced feature elevates our device beyond just offering stress relief, by also improving sleep quality, reducing anxiety, and enhancing overall well-being.

Vagus nerve stimulation (VNS) is a therapeutic intervention aimed at modulating the vagus nerve’s electrical activity to improve various physiological and psychological conditions. Initially developed to manage treatment-resistant epilepsy, VNS has expanded to address a range of disorders, including depression, anxiety, inflammatory conditions, and even certain digestive issues. The principle behind VNS is straightforward: by delivering mild electrical impulses to the vagus nerve, clinicians can help “reset” or optimize the nerve’s function, potentially improving patient outcomes and quality of life.

Over the years, VNS technology has significantly evolved. Early implantable devices paved the way for innovative noninvasive handheld stimulators, making therapy more accessible and convenient for patients. With ongoing research, the field continues to refine these devices, offering better customization and efficacy.

How VNS Works？
Understanding how VNS functions at a physiological level is vital in appreciating its therapeutic benefits. The vagus nerve runs from the brainstem down through the torso, interacting with the heart, lungs, and various organs in the digestive tract. By delivering controlled electrical impulses, VNS alters neurotransmitter levels in the brain, including serotonin and norepinephrine, which play essential roles in mood regulation, seizure thresholds, and pain perception.

Additionally, vagus nerve stimulation can help reduce inflammation by modulating cytokine production and enhancing the parasympathetic response—often referred to as the “rest and digest” state. By improving autonomic balance, VNS has demonstrated success in reducing seizure frequency, alleviating depressive symptoms, and supporting overall autonomic health.

Transcutaneous VNS (tVNS)
Transcutaneous VNS (tVNS) is a noninvasive approach that stimulates branches of the vagus nerve accessible near the ear (the auricular branch).  By placing specialized electrodes on the external ear, tVNS devices can deliver electrical impulses without requiring implant surgery.  This innovation has broadened the accessibility of VNS, as some patients prefer noninvasive methods due to reduced costs, fewer side effects, and the absence of surgery-related risks. 

Clinical Benefits
VNS therapy—both implantable and noninvasive—has demonstrated multiple benefits, including:
Seizure reduction: Particularly in resistant epilepsy.
Mood improvement: Notably in treatment-resistant depression and anxiety.
Reduced headache frequency: In migraines and cluster headaches.
Enhanced autonomic balance: Improved heart rate variability, lower stress markers.

Transform Your Vagus Nerve Health with Our tVNS technology.
Konmed founded in 2013, we are a private high-tech enterprise specializing in the field of medical devices. Since its establishment, it has been committed to the research and development, production and sales of medical products such as home care equipment and neurological rehabilitation. Konmed has successively passed the NMPA MDSAP and the ISO 13485, and is a qualified factory for SGS and TUV certification audits. Our products have passed FDA , NMPA and CE certification. We have a vigorous and technically comprehensive team, from product shape design, electronic software and hardware development, material procurement, product production, quality control, sales services, clear division of labor, which is with strong professional technology and production force.

Rewind your autonomic clock with Konmed’s Vagus Nerve Stimulator – a pioneering device that gently activates your nervous system for reduced stress and anxiety, improved sleep, and a happier, more balanced life.