Patents by Inventor Charles E. Laurito

Charles E. Laurito 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: 5402779
    Abstract: A method and apparatus in which an anesthesia catheter is inserted into the epidural space of the patient. A blood soluble dye mixed with a local anesthetic is injected through the catheter and into the patient. A transducer clip is positioned on the finger of the patient for monitoring the light responsive characteristics of the patient's blood. A transducer signal is fed to a microprocessor for generating a real time display for indicating to the anesthesiologist that the dye, and therefore the local anesthetic, is present in the bloodstream.
    Type: Grant
    Filed: June 7, 1994
    Date of Patent: April 4, 1995
    Inventors: William X. Chen, Charles E. Laurito