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An interrupted suture in which a double thread is passed deep into the tissues below the bottom of the wound, the needle being withdrawn so as to leave a loop hanging from one lip of the wound and the two free ends of the thread from the other. A quill, or more commonly a piece of bougie, is passed through the loops, which are tightened upon it, and the free ends of each separate thread are tied together over a second quill. The purpose of a quilled suture is prevention of tearing when tension becomes greater. Polymeric wound bridges have supplanted the use of quills and catheter segments. See: relief suture; button suture
See also: suture