Patents by Inventor Dale Gerasch

Dale Gerasch 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).

  • Patent number: 6058321
    Abstract: A medical instrument which permits the continuous monitoring of fetal ECG and intermittent monitoring of fetal scalp blood pH during labor and delivery. The instrument includes (i) an electrically conductive needle effective as an ECG electrode, (ii) a plurality of pH probes or a single reusable and rotatable pH probe, (iii) a system for flushing the area around the pH probe prior to sampling, and (iv) a sharp proximate each probe for producing an extracorporeal fetal scalp blood sample to be measured.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: May 2, 2000
    Inventors: Claude R. Swayze, James W. Halvorson, Roy G. Bryan, Rollyn P. Lee, Dale Gerasch