Patents by Inventor Andrew G. Kettle

Andrew G. Kettle 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).

  • Method of conveying liquid materials and device for the automated elution of a radionuclidic generator
    Patent number: 5580541
    Abstract: The invention relates to a method of conveying liquid materials in closed systems without mutual contamination, comprising flushing the conduit with an inert gas between introduction of the materials into said conduit and using a peristaltic pump for introducing said materials, in which after each flushing operation for a moment said pump is made to rotate in the reverse direction.The invention further relates to a method for the automated elution of a radionuclide generator and delivery of a radiopharmaceutical liquid, in particular a Tc99m-pertechnetate solution, whereas said above method is used, and to a device for performing said method for elution and delivery of a radiopharmaceutical liquid.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: December 3, 1996
    Assignee: Mallinkrodt Medical, Inc.
    Inventors: Charles P. Wells, Andrew G. Kettle