Patents Assigned to Airoflex Medical, Inc.
  • Patent number: 4967744
    Abstract: A breathing circuit for providing conduit from a breathing apparatus or anaesthetic device to a patient, the breathing circuit being generally coaxial and including a first flexible tube and a second flexible tube inside the first flexible tube. The first flexible tube has a smooth inner surface and a reinforcing cord or ribbing along its length and integral around its outer surface. The first flexible tube has a relatively thin wall with the cord, which is preferably in a spiral, providing structural strength or stiffness while retaining flexibility.
    Type: Grant
    Filed: November 3, 1988
    Date of Patent: November 6, 1990
    Assignee: Airoflex Medical, Inc.
    Inventor: James Chua