Patent attributes
A test tube holder includes a main body and an adapter. The main body includes a cylindrical hollow portion for accommodating a test tube. The adapter is provided in the cylindrical hollow portion to hold the test tube. The adapter includes bottom portions, holding portions and loop portions, which are U-shaped as a whole. The bottom portions are located to cross the center axis of the cylindrical hollow portion. The loop portions are provided at the ends of the bottom portions, and coiled at least one. The holding portions are continuous with the loop portions and the bottom portions. The bottom portions of first and second spring steel wires are provided in the cylindrical hollow portion to intersect with each other. The holding portions of the first and second spring steel wires are projected upwards from the cylindrical hollow portion.