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The Insufflation Retention Device (IRD) is an accessory to an endoscope. The IRD is a single balloon accessory intended for use with any standard endoscope that has a distal tip outer diameter of 9.2-13.2 mm. The device is indicated to assist with optical visualization in the large intestine during endoscopic procedures.

The IRD is a non-sterile accessory for a colonoscope which provides an adjustable seal between a colonoscope and a patient's anus. This seal retains introduced insufflation air introduced during a colonoscopy. The retained insufflation air provides increased visibility and facilitates the advancement of the colonoscope. The IRD contains a split section which allows it to be placed over the continuous shaft of the colonoscope. The adjustable seal is inflated and deflated manually with a non-sterile syringe.