Patents by Inventor Wayland G. Blikken

Wayland G. Blikken 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).

  • Esophageal/stethoscopic gastric tube
    Patent number: 5191892
    Abstract: An esophageal gastric tube inserted through the mouth or nose into the stomach of a patient. The single tube incorporates a lumen ending in a stomach catheter to permit necessary evacuation of the stomach contents including a relief passage to admit ambient air pressure to avoid undue stomach contraction. The tube also incorporates a stethoscopic lumen with a pick-up port to be located in the heart lung area of the patient to monitor heart and lung sounds during an on-going operation.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: March 9, 1993
    Inventor: Wayland G. Blikken