Per a post op report from Dr. Rumbaught:
After surgery patient is to stay on a full liquid diet for 2 weeks then progress to a soft diet as tolerated for 2 weeks in order for the band to be covered with adhesions and the stomach stitches to heal. Closing the band will cause dilation of the proximal reservoir and stretching of the stitches so this should not be done before 6 weeks. After 6 weeks, the band can be closed by injecting normal saline into the port as needed to reach a good fill level.