Patents Assigned to Walter Sarstedt Kunststoff-Spritzguswerk
  • Patent number: 4769025
    Abstract: A blood storage device consists of a blood extraction tubule (20) and a removable cover (12) which closes its upper opening. The cover (12) consists of a closure member (21) with a small opening (14) and a slider (13) arranged in the closure member (21) by means of which the passage of air from the inner space (17) of the blood extraction tubule (20) through the opening (14) can be interrupted.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: September 6, 1988
    Assignee: Walter Sarstedt Kunststoff-Spritzguswerk
    Inventors: Walter Sarstedt, Dieter Korf