Patent ID: 7988913

Claim:
A biochemical reaction cartridge, comprising: a storage chamber for accumulating a liquid containing a reagent, a first function chamber, having a specimen port, for mixing a predetermined amount of the liquid with a predetermined amount of a specimen, a second function chamber, for reciprocating the liquid mixed with the specimen in the first function chamber, a first passage for connecting a bottom of the storage chamber to the first function chamber to move the liquid from the storage chamber to the first function chamber, a second passage for connecting a bottom of the first function chamber to a bottom of the second function chamber to reciprocally move the liquid between the first function chamber and the second function chamber, a first connecting portion, for connecting the first function chamber to the first passage, having a bottom position, and a second connecting portion, for connecting the first function chamber to the second passage, having a bottom position, wherein the first passage has a connecting portion, for connecting the first passage to the first function chamber, having a height greater than a liquid surface of the liquid mixed with the specimen in the first function chamber.