Patents by Inventor Tran N. Thuc

Tran N. Thuc 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).

  • Ventilation apparatus for artificial respiration
    Patent number: 4463756
    Abstract: A ventilation apparatus for artificial respiration comprises a high frequency oscillation ventilator and an intermittent positive pressure ventilator, each of these ventilators being composed of a pneumatic circuit. The high frequency oscillation ventilator is connected to a respiratory gas source for feeding a respiratory gas to a patient circuit at a preselected high frequency. Also, the intermittent positive pressure ventilator is connected to the respiratory gas source for feeding the respiratory gas to the patient circuit at a preselected frequency. A shut-off valve means is provided for selectively communicating the gas source with the two ventilators whereby these ventilators are operated either alone or in combination.
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: August 7, 1984
    Assignee: Senko Medical Instrument Mfg., Co., Ltd.
    Inventor: Tran N. Thuc