Patents by Inventor Mark L. Rigler

Mark L. Rigler 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).

  • Method and system for continuous spinal delivery of anesthetics
    Patent number: 5234406
    Abstract: The catheter system for delivering an anesthetic solution to the subarachnoid space of a patient comprises a small diameter catheter section joined to a larger diameter extension tube. The small diameter catheter section is introduced to the subarachnoid space, typically using an introducer needle, and anesthetic can be delivered to the catheter section through the large diameter tube extension. In this way, total flow resistance to the delivery of the anesthetic is reduced without the corresponding increase in the portion of the catheter which is introduced to the subarachnoid space.
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: August 10, 1993
    Assignee: The Regents of the University of California
    Inventors: Kenneth Drasner, Mark L. Rigler