Device and method for trans myocardial revascularization
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United States of America Patent
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Apr 25, 2000
Issued Date -
N/A
app pub date -
Apr 29, 1999
filing date -
Nov 7, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A medical device and method are described for performing Trans Myocardial Revascularization (TMR) in a human heart. The device consists of a myocardial implant and a directable intracardiac catherter that are suited for delivery into a heart wall of the implant. The catheter utilizes a percutaneous, minimally-invasive access to reach the inner surface of the heart chambers. The catheter provides a conduit for advancing multiple myocardial implants to the heart wall. The implant may include anchoring elements or a retainer for holding the implant body into the heart wall. The implant may include a tapered leading end, and can be advanced into the heart wall using a rotational or a pushing technique until the implant is fully deployed. The implant is then released from the catheter, and another implant inserted into the catheter, or the catheter withdrawn from the human body. The myocardial implant is used to stimulate the formation of new blood vessels (angiogenesis) in the treated heart wall, and to result in Trans Myocardial Revascularization of this heart wall.
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