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Endoscope attachments designed for placement on the distal tip of endoscopes that are intended to facilitate the dissection of the submucosal tissue using endoscopic tools. These attachments usually consist of disposable transparent plastic hollow tubes available in a variety of shapes and sizes with appropriate fenestrations to provide a clear endoscopic vision beneath the mucosa (i.e., submucosal) and also facilitating the sharp dissection of tissue using an endoscopic knife and/or scissors (e.g., electrosurgical). Submucosal dissection attachments are mainly used in procedures performed in the gastric upper tract; some dedicated devices are especially intended for use in the esophagus and stomach.
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