Patents by Inventor Jeffery D. Dahlquist

Jeffery D. Dahlquist 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: 4828546
    Abstract: A bulb evacuator is provided for closed wound suction having a flexible compressible container with a pair of inlets having one way valves therein and a port to a suction source with a removable cap thereon at one end of the bulb evacuator. The opposite end of the bulb evacuator is provided with an integrally formed anti-reflux valve and a latching device surrounding the anti-reflux valve. A separate collection bag can be attached to the latching device so that when the bulb evacuator is filled with fluid from a closed wound, it can be compressed to force the fluid into the attached collection chamber and simultaneously creating a suction within the bulb evacuator to promote further withdrawal of fluids from the closed wound.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: May 9, 1989
    Assignee: Surgidyne, Inc.
    Inventors: Charles B. McNeil, Thomas J. McEvoy, Jeffery D. Dahlquist