Surgery – Miscellaneous – Methods
Reexamination Certificate
2007-01-09
2007-01-09
Isabella, David J. (Department: 3738)
Surgery
Miscellaneous
Methods
C606S108000
Reexamination Certificate
active
09710332
ABSTRACT:
Methods and apparatus for direct coronary revascularization wherein a transmyocardial passageway is formed between a chamber of the heart and a coronary blood vessel to permit blood to flow therebetween. In some embodiments, the transmyocardial passageway is formed between a chamber of the heart and a coronary vein. The invention includes unstented transmyocardial passageways, as well as transmyocardial passageways wherein protrusive stent devices extend from the transmyocardial passageway into an adjacent coronary vessel or chamber of the heart. The apparatus of the present invention include protrusive stent devices for stenting of transmyocardial passageways, intraluminal valving devices for valving of transmyocardial passageways, intracardiac valving devices for valving of transmyocardial passageways, endogenous tissue valves for valving of transmyocardial passageways, and ancillary apparatus for use in conjunction therewith.
REFERENCES:
patent: 4865581 (1989-09-01), Lundquist et al.
patent: 5533957 (1996-07-01), Aldea
patent: 5655548 (1997-08-01), Nelson et al.
patent: 6447539 (2002-09-01), Nelson et al.
Flaherty J. Christopher
Jensen Marc
Lamson Theodore C.
Machold Timothy R.
Makower Joshua
Isabella David J.
Medtronic Vascular Inc.
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