Patents by Inventor Edwin L. Schmalzbach

Edwin L. Schmalzbach 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).

  • Spiral probe for simultaneous electrical and chemical monitoring of a fetus
    Patent number: 4658825
    Abstract: A combined spiral EKG electrode and pH probe for use in monitoring a fetus during labor is described. The combined probe includes a spiral-shaped needle which acts as an EKG electrode and also houses a fiberoptic pH probe. Optical fibers and wires from the needle as well as from a reference electrode on the probe assembly are passed back through the cervix and vagina of a woman in order to provide simultaneous information as to both EKG and pH of the fetus during labor.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: April 21, 1987
    Assignee: International Biomedics, Inc.
    Inventors: Howard M. Hochberg, Edwin L. Schmalzbach, Janis G. Ziedonis