Patents by Inventor Tatsuo Tamiya

Tatsuo Tamiya 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).

  • Oxygenator having a variable capacity oxygenating tube
    Patent number: 4033724
    Abstract: An oxygenator (artificial lung) comprising a blood storage tube of an elongated cylindrical configuration; an oxygenating tube of an elongated cylindrical shape longitudinally inserted through said blood storage tube and having a central portion of its lower end provided with an oxygen injection means with a built-in perforated plate and having said lower end provided with blood inlet ports; a blood capacity control means provided at an upper portion of said oxygenation tube and including a rotatable cylinder and side openings; a debubbling chamber formed in an upper portion of said blood storage tube; and a blood storage chamber (reservoir) defined by a lower portion of said blood storage tube and incorporating a heat exchanger.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: July 5, 1977
    Assignee: Senko Medical Instrument Mfg. Co. Ltd.
    Inventor: Tatsuo Tamiya