Abstract: A fluid sample tube stand includes a stand block for vertically holding a plurality of fluid sample tubes such as blood sample tubes, and a holder support mechanism mounted on the stand block, for supporting a holder which can hold one, at a time, of the fluid sample tubes. The holder support mechanism has a pair of support arms coupled to the stand block, for holding a flange of the holder, and a horizontal support member integral with the support arms, the horizontal support member having a cavity for insertion of the flange therein. The holder support mechanism is detachably mounted on the stand block.

Abstract: A multi-way cock comprises a housing including a cylinder having a plurality of branch tubes extending from the periphery thereof, and a plug including a barrel adapted to be rotatably fitted in the cylinder and having a corresponding plurality of channels formed therein, the channels corresponding to the branch tubes in assembled condition. The barrel is formed of a polyester elastomer.