Double-balloon catheter

A double-balloon catheter comprising:

• an elongate catheter body including a plurality of lumens;
• first and second inflatable occlusion balloons located proximate a distal end of the elongate catheter body, the first and second inflatable occlusion balloons being configured to receive fluid through at least one of the plurality of lumens;
• an infusion port located proximate the distal end of the elongated catheter body, the infusion port being in fluid communication with another of the plurality of lumens and situated between the first inflatable occlusion balloon and the second inflatable occlusion balloon;
• and
• a catheter hub comprising a plurality of entry ports, the catheter hub being arranged to be attachable to a proximal end of the elongate catheter body and to fluidly connect two or more of the plurality of lumens to associated one or more of the plurality of entry ports,
• wherein the entire length of the elongate catheter body is configured to pass through the working channel of a gastrointestinal endoscope.