Patents Assigned to MDT Diagnostic Company
  • Patent number: 4770169
    Abstract: The present invention provides an improved anaesthetic scavenging face mask having a scavenging channel running along the perimeter of the mask. The mask is provided with an anaesthetic gas inlet and a vacuum outlet. The scavenging channel is connected to the vacuum outlet.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: September 13, 1988
    Assignee: MDT Diagnostic Company
    Inventors: John C. Schmoegner, Charles B. Swenson, J. Miles Branagan