Patents Assigned to Betsy J. Nielson
  • Oral airway for demountably attaching an endotracheal tube
    Patent number: 5253643
    Abstract: An oral airway (10) for providing fluid communication through a patient's uth and into the patient's trachea. The oral airway (10) includes a tubular body (12) having a near end (14) and a removed end (16), the near end (14) having a plate (22) with an elliptical perimeter defining resilient lips (36) with semicircular walls (28) forming a C-shaped opening to releasably retain an endotracheal tube (38).
    Type: Grant
    Filed: January 13, 1992
    Date of Patent: October 19, 1993
    Assignees: Evelyn C. Price, Betsy J. Nielson, & Robert E. Gohlke, a partnership, Betsy J. Nielson
    Inventor: Evelyn C. Price