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Needles designed to thread sutures through tissue, frequently to close surgical or traumatic wounds. These devices typically consist of high-quality, stainless steel, curved or, less frequently, straight needles with a hole (eye) in one extreme for insertion of the suture and a sharp tip at the other end; many suture needles have a flat central part to facilitate their manipulation using needle holders. Suture needles are usually characterized by their size from tip to eye (i.e., size code 1, 2, 3) and the fraction of the circle they cover (e.g., 1/2, 3/8). Suture needles are available for general surgical use as well as for other specialty uses, such as dental suture, ophthalmic suture, encirclement of the cervix uteri (cerclage), and postmortem uses.
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