Patents by Inventor Lawrence W. Duncan

Lawrence W. Duncan 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).

  • Malignant hyperthermia mattress
    Patent number: 4442838
    Abstract: A mattress for the treatment of malignant hyperthermia comprises a base to overlie an operating table and an inflatable wall extending around the periphery of the base. The wall includes a pair of discontinuities which permit the patient's arms to extend across the inflated wall. A sealing cuff and flap encompass the arm and seal the discontinuity to prevent egress of water from around the patient. A recess is provided in the wall adjacent the patient's head to allow the anethetist access to the patient when the wall is inflated.
    Type: Grant
    Filed: March 25, 1982
    Date of Patent: April 17, 1984
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence
    Inventors: J. E. Benoit Samson, Lawrence W. Duncan, Jean C. Steffler