EEG refers to an electroencephalogram (EEG), which is a test that measures electrical activity in the brain using small, metal discs (electrodes) attached to the scalp. Brain cells communicate via electrical impulses and are active all the time, even while asleep. EEG disposable medical electrodes are used for direct cortical recordings, and it is an invasive procedure. During this invasive procedure, small sensors attached to the scalp to pick up the electrical signals produced by the brain. These signals are recorded by a machine and are looked at by a doctor. EEG uses the principle of differential amplification, or recording voltage differences between different points using a pair of electrodes that compare one active electrode site with another neighboring or distant reference electrode. Typically, EEG systems with 64 or more electrodes are used. However, in practical applications, set-ups with fewer electrodes are required. Here, we determine the optimal number of electrodes, and the best position to place a limited number of electrodes on the scalp.
EEG disposable medical electrodes are available in different type of designs, such as needle electrodes, patch electrodes, cup electrodes, and disk electrodes among others. The needle electrode is a fine wire through which electrical current may flow when attached to a power source, used to carry high frequency electrical currents that create heat or destroy diseased tissue (called radiofrequency ablation), or seal blood vessels. There are two types of needle electrodes: a simple straight needle; and a straight, hollow needle that contains several retractable electrodes that extend when needed. Needle electrodes may also be part of devices that monitor electrical activity for diagnostic purposes, such as in the performance of electromyography and nerve conduction studies.
Market Dynamics
Increasing approval of EEG disposable medical electrodes by the regulatory authority is expected to drive the growth of the global EEG disposable medical electrodes market over the forecast period. For instance, in August 2022, Brain Scientific, Inc., medical technology company, based in Florida, U.S. announced the approval of the NeuroCap by the Conformité Européenne (CE) and received the Conformité Européenne (CE) Mark for the NeuroCap. The CE mark confirms that Brain Scientific meets all European Medical Device Directive requirements to begin commercializing its innovative neurological devices across the European Continent and other CE mark geographies.
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