Patents by Inventor Alexander J. Campbell-Smith

Alexander J. Campbell-Smith 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).

  • Delivery of ICD shock capacitor energy via a controlled current source
    Patent number: 6128531
    Abstract: An implantable cardiac device is described in which therapeutic pulses for application to a patient's heart are generated by a controllable current source. Thus, the amplitude, duration and/or other characteristics of the pulses can be readily selected. The device can be used to apply brachy-or-tachy-pacing pulses, cardioversion pulses or even defibrillation shocks.
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: October 3, 2000
    Assignee: Pacesetter, Inc.
    Inventor: Alexander J. Campbell-Smith