Patent ID: 8470243

Claim:
A sample plate for a biochemical analyzer comprising: a main shaft; an inner plate; an outer plate; a refrigeration bin; a tubing portion; a cooling fluid inlet; and a cooling fluid outlet; wherein the main shaft is fixed on the biochemical analyzer; wherein the inner plate is installed on the main shaft for rotating independent of the outer plate; wherein the outer plate is installed on the main shaft for rotating independent of the inner plate; wherein the inner plate comprises an inner plate body for placing a sample; wherein the inner plate body comprises an inner ring part for placing the sample; wherein the outer plate comprises an outer plate body for placing the sample; wherein one end of the cooling fluid inlet and one end of the cooling fluid outlet are connected to the refrigeration bin, and the other end of the cooling fluid inlet and the other end of the cooling fluid outlet are connected to the tubing portion; wherein the tubing portion is used for providing a tubing space for the refrigeration bin; wherein the sample placed in the inner ring part is disposed in the refrigeration bin; and wherein the main shaft is a hollow shaft, and a hollow part of the hollow shaft is the tubing portion.