Patents by Inventor Jacob Kolff

Jacob Kolff 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).

  • Device and method for preventing aspiration of air in cardiopulmonary bypass patients
    Patent number: 5158539
    Abstract: A method and device for protecting the circulatory system of a patient from incurring injury from inadvertent passage of air into the aorta when elevated with respect to and supported by a heart-lung machine and associated nonocclusive pump. This device and method provides positioning a valve means having unidirectional flow properties within the extracorporeal blood line connecting the heart-lung machine and patient. The valve is configured to offer nominal resistance against blood being returned to the patient, while blocking blood flow from the patient to the heart-lung machine.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: October 27, 1992
    Inventors: Jacob Kolff, David Wurzel