Patents by Inventor David Goltzer

David Goltzer 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 apparatus for inserting and retaining an epidural catheter
    Patent number: 4973305
    Abstract: A method of making an epidural insertion of a catheter and means for retention therein whereby a double lumen catheter having an air and medication conduit are provided, and the air conduit has a retention balloon at the distal, epidural end and a pilot indicator balloon at the proximal end. The catheter is inserted through a stylet and the balloon is expanded. The stylet (needle) is withdrawn, the catheter temporarily fastened by external means, the balloons deflated, the needle removed, and the epidural balloon reinflated to hold the catheter in place.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: November 27, 1990
    Inventor: David Goltzer