Patents by Inventor Harold D. Hirsch

Harold D. Hirsch 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: 5345935
    Abstract: A non-invasive medical probe for monitoring a patient's condition in particular an intra-uterine device for monitoring fetal condition is featured. The medical probe includes a resilient walled suction cup having a peripheral rim for application to a patent's skin, a pump adapted for connection to the cup for evacuating the cup to adhere the cup to the patient's skin, and a pair of non-invasive skin contact electrodes for connection to diagnostic apparatus. One of the electrodes is disposed on a mounting located centrally within the cup to leave a channel to be evacuated by the pump and the second electrode is disposed externally of the cup adjacent to the cup to provide a second contact in the vicinity of the first electrode.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: September 13, 1994
    Assignee: Egnell Ameda Limited
    Inventors: Harold D. Hirsch, John A. D. Spencer, Ilan Z. Samson