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Small intestine catheters designed to be left in the intestine during a long-term (e.g., several days or weeks) procedure. These devices typically consist of a multilumen (e.g., three -lumen), usually plastic (e.g., PVC) catheter whose distal tip includes an inflatable balloon; the catheter may also include radiopaque markers, a stopcock, stiffening rods or tubes, and a retention cuff. The channels of the catheter are used for irrigation, administration of medications, and to deliver/withdraw gas to the distal balloon. Small intestine indwelling catheters are mainly used to keep the intestine in a controlled, stable position during therapeutic procedures.
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