US Patent 9192284 Endoscopic accessory for endoscopic device

An endoscopic system including an accessory that fits over an endoscopic device, the accessory including at least one collapsible tube which has a collapsed state and an expanded state, wherein in the collapsed state, the accessory increases an outer perimeter of the endoscopic device by not more than 10%, and in the expanded state, the at least one collapsible tube has fluid that flows therethrough and the accessory increases the outer perimeter of the endoscopic device by at least 10%.