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Dissecting cannula and methods of use thereof

  • US 8,267,951 B2
  • Filed: 07/16/2008
  • Issued: 09/18/2012
  • Est. Priority Date: 06/12/2008
  • Status: Active Grant
First Claim
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1. A method of creating atrial lesion patterns on, a first and second atrial surfaces of a heart of a patient, the method comprising:

  • accessing a diaphragm through a first incision in an abdomen of the patient;

    advancing at least a first and second access devices through separate openings in the diaphragm into a thoracic cavity of the patient and into a pericardial space adjacent to the first atrial surface;

    positioning a coagulation device adjacent to the first atrial surface through one of the access devices;

    creating a first coagulation region on the first atrial surface with the coagulation device; and

    creating a second coagulation region on the second atrial surface with the coagulation device.

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