Patents by Inventor Sam Z. Malhas

Sam Z. Malhas 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).

  • Nasogastric tube construction and method of using same
    Patent number: 5560747
    Abstract: A continuous pH monitoring system and method of using it, includes a catheter assembly having a flexible compressible multipassagewayed tube, an anchor assembly connected to the tube to secure it within the nasal cavity, an indicator assembly having a sensor device within the tube to monitor the pH in the stomach, a vent within the tube to equalize pressure inside the stomach with the ambient pressure, and an aspirating assembly attached to the tube for removing stomach fluid.
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: October 1, 1996
    Inventors: Michael McCue, Sam Z. Malhas, Don J. Cretzler, Richard A. Roshon
  • Continuous pH monitoring system and method of using same
    Patent number: 5411022
    Abstract: A continuous pH monitoring system and method of using it, includes a catheter assembly having a flexible compressible multipassagewayed tube, an anchor assembly connected to the tube to secure it within the nasal cavity, an indicator assembly having a sensor device within the tube to monitor the pH in the stomach, a vent within the tube to equalize pressure inside the stomach with the ambient pressure, and an aspirating assembly attached to the tube for removing stomach fluid.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: May 2, 1995
    Inventors: Michael McCue, Sam Z. Malhas, Don J. Cretzler, Richard A. Roshon