Patents Assigned to Denver Biomedicals, Inc.
  • Patent number: 7048724
    Abstract: An apparatus and method for draining fluid from a patient. A drainage line is connected to a vacuum bottle. The vacuum is transferred into the drainage line by piercing a seal over the bottle mouth. The indicator in the form of a collapsible bulb or other deformable element confirms the presence of the vacuum at the time of use.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: May 23, 2006
    Assignee: Denver Biomedicals, Inc.
    Inventors: Phillip Grossman, Warren Erickson, Paul Burek, Bonnie Vivian