Abstract: An integral eyeglass headphone combination is disclosed. The headphones are mounted to the temple piece of the eyeglass frame. The combination provides for adjustment by the user of the position of the earphones in a manner that provides for maximum comfort.

Abstract: A blood sample collection device is disclosed. The blood sample collection device includes an outer shell, a spring activated specialty needle for creating an incision in the patient where the blood sample is to be collected and a partially evacuated blood collection tube that is slidingly received in the blood sample collection device.

Abstract: Apparatus and a method for orienting a reagent container in a rack so that the label on the container always points towards the user is provided. The container has an external surface at least a portion of which has an asymmetric perimeter which has mirror symmetry about at most one axis, said perimeter lying in a plane substantially parallel to the base of the container. The rack has an aperture having essentially the same asymmetric perimeter as the container and a size which permits the container to be received in the aperture in only one orientation. In certain preferred embodiments, the asymmetric perimeter is D-shaped, the container has a cavity with inwardly sloping sides and the container includes an integral sight glass by which its contents can be viewed.