Dispensing device, mixing device, and analysis device

Abstract

A dispensing device includes a cylindrical first flow passage, a pressing portion, and a press control unit. The first flow passage is provided with a cylindrical main body portion, an opening portion formed at the main body portion, and a lid portion that closes the opening portion and has higher flexibility than the main body portion. A liquid sample flows down the first flow passage. The pressing portion is for pressing the lid portion. The press control unit controls the pressing of the pressing portion against the lid portion. The first flow passage is provided with a sample injection port formed at an upstream side with respect to the lid portion, and an injection portion for injecting a gas between the sample injection port and the lid portion.

Dependencies are inferred from the claim text.