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Snares, Uterine, Endoscopic

Definition : Endoscopic uterine snares designed to position and tighten fine-gauge, flexible or semirigid, adjustable, wire loops around a region of tissue for mechanical or electrosurgical resection and hemostasis. These devices typically consist of a hollow tubular structure (e.g., a cannula), with one or more adjustable wire loops that protrude at the working end. The snare is introduced into the uterus through the working channel of a hysteroscope; a mechanism at the proximal end (handle) controls how much wire extends out of the channel and the movement of the sliding cutting loop as the loop is withdrawn into the cannula. The snare loops are made of monofilament or braided wires with a beak-like side (typically known as duckbill snares) that may be attached at the proximal end to an electrosurgical (usually monopolar) unit that provides circulation of radio-frequency electric current between the isolated metal loop (i.e., acting as an active electrode) and an external neutral electrode to heat the tissues, facilitating coagulation. Endoscopic uterine snares may be single-use (i.e., disposable) or reusable; they are used mainly for electrosurgical removal of polyps, tumors, and fibroid tissue from the uterus, but mechanical (cold) resection may be used for small polyps and fibroids.

Entry Terms : "Uterine Endoscopic Snares" , "Snares, Polypectomy" , "Snares, Endoscopic" , "Snares, Polyp" , "Hysteroscopic Polyp Snares" , "Electrosurgical Snares" , "Endoscopic Snares" , "Polypectomy Snares"

UMDC code : 25126

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