Method and system for pericardial modification
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 1, 2003
Grant Date -
N/A
app pub date -
Nov 16, 2000
filing date -
Sep 17, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention adapts the pericardium for use as a pump bladder having a pump cavity formed by at least a portion of the pericardial space between the parietal pericardium and the visceral pericardium. The pump bladder is inflated to provide a compressive pressure on the heart and deflated to relieve the pressure. The pericardium is modified under conditions to improve the pumping characteristics of the pericardium as a pump bladder. A portion of the parietal pericardium may be attached to a portion of the visceral pericardium to isolate a portion of the pericardial space to form the pump cavity. The pericardium may be treated by stiffening, strengthening, tightening, shrinking, reshaping, or reducing the compliance or elasticity of the pericardium, or any combination thereof. The treatment may be carried out by heating the pericardium, applying a chemical to the pericardium, plicating the pericardium, or any combination thereof.
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