Merit Medical Systems Inc. looks to ingest Pentax Medical’s C2 cryoballoon through a $22 million asset purchase expected to close Nov. 1. The C2 treats Barrett’s esophagus, which can be a precursor to esophageal cancer, as well as gastric antral vascular ectasia syndrome. The deal includes a $19 million cash payment at closing and up to $3 million in contingent milestone payments.