Patents by Inventor Roderick W. Landymore

Roderick W. Landymore 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: 4836204
    Abstract: A novel double-balloon septal defect occlusion catheter which is used in conjunction with a unique surgical procedure to temporarily close septal perforations, particularly spontaneous ventricular septal perforations following acute myocardial infarction, without the need for open heart surgery, thus permitting the patient's condition to stabilize and permitting elective surgical closure of the defect at a later date.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: June 6, 1989
    Inventors: Roderick W. Landymore, Allan E. Marble
  • Patent number: 4753244
    Abstract: Self-contained, micro-electronic heart monitor for mounting on or near the heart during surgery, to monitor the electrical activity of the heart during cardioplegic arrest by picking up and amplifying electrical signals from the heart and displaying an output when the signal exceeds a threshold level.
    Type: Grant
    Filed: July 16, 1987
    Date of Patent: June 28, 1988
    Inventors: Roderick W. Landymore, Allan E. Marble, Donald W. Church