Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2006-04-25
2006-04-25
Lucchesi, Nicholas D. (Department: 3763)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C604S510000, C604S096010, C606S159000, C606S194000
Reexamination Certificate
active
07033344
ABSTRACT:
A method for reducing distal embolization during insertion of devices to treat plaque, thrombi and other intravascular occlusions. Using a guide catheter, a guidewire is delivered to a site proximal to the lesion. An aspiration catheter is then introduced over the guidewire, and the two are moved together in a distal to proximal direction across the occlusion. The aspiration catheter is then moved in a proximal to distal direction while continuously aspirating, which prevents embolization of any particles which may be created during the crossing of the guidewire.
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“Coronary and Perifpheral Angioplasty: Historic Perspective” Myler, et al., II-Coronary and Peripheral Angioplasty. Chapter 9, pp. 171-185.
“Restenosis: The Clinical Issues” Hillegass, et al., II-Coronary and Peripheral Angioplasty, Chapter 22, pp. 415-435.
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“DCA Device” (section)
Knobbe Martens Olson & Bear LLP
Lucchesi Nicholas D.
Medtronic Vascular Inc.
Williams Catherine S.
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