Patents by Inventor Nobuaki Sozuki

Nobuaki Sozuki 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).

  • Gastric tube with fluid injection adaptor
    Patent number: 5273523
    Abstract: A double lumen gastric tube including a valve to prevent gastric reflux or leakage through the vent lumen thereof. The gastric tube also includes an adaptor which allows fluid injection through the tube without removing the valve. The valve allows the passage of air into the vent lumen when atmospheric pressure exceeds stomach pressure. When stomach pressure exceeds atmospheric pressure the valve prevents flow of fluid through the tube. The adaptor allows fluid to be injected into the vent lumen through the valve.
    Type: Grant
    Filed: July 7, 1992
    Date of Patent: December 28, 1993
    Assignee: Sherwood Medical Company
    Inventors: Nobuaki Sozuki, Yosuke Okada