Patents by Inventor Justin A. T. Halls

Justin A. T. Halls has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4784157
    Abstract: A controlled apparatus for withdrawing fluids from a patient or for administering medication to a patient, or both, which controlled apparatus may be remotely and/or automatically controlled. The apparatus includes a manifold and cannula for connecting the manifold to a patient, one or more syringes connected to the manifold, a pump for pumping liquid into and out of the manifold and a controller for controlling the operation of the syringes and the pump. A method of using the apparatus is also provided.The controlled apparatus is especially useful for the programmed withdrawal of blood from a blood vessel of a patient.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: November 15, 1988
    Inventors: Justin A. T. Halls, David W. Hawes, Heinz S. Wolff, Richard D. Vahrman