Patents by Inventor Charles N. Bunn

Charles N. Bunn 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: 5221268
    Abstract: A multiple dose infusion controller for controlling the delivery of multiple dosages of an intravenous fluid from a source to a site comprises a compact, portable housing having a slot for removably receiving a segment of a disposable tubing connected to an IV source for transporting an IV fluid to a site, a valve member mounted in the housing for periodically engaging and compressing the tubing for closing the tubing for preventing flow of fluid therethrough, a motor in the housing for driving the valve member upon energization to selected open and closed positions, and controls in the housing for periodically energizing the motor for selectively controlling the flow of the fluid through the tubing in accordance with predetermined delivery times and duration parameters.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: June 22, 1993
    Assignee: Block Medical, Inc.
    Inventors: Russell C. Barton, Maresala Milo, Charles N. Bunn