Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Reexamination Certificate
2007-10-24
2010-11-16
Lucchesi, Nicholas D (Department: 3763)
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
C428S036400, C604S103100, C600S424000
Reexamination Certificate
active
07833597
ABSTRACT:
High radiopacity is achieved in a polymeric marker by combining a polymeric resin, a powdered radiopaque agent having uniformly shaped particles of a specific particle size distribution and a wetting agent. The method to produce the marker calls for the blending and pelletization of these materials followed by extrusion onto support beading. The resulting supported tubing is subsequently cut to length with the beading still in place. After ejection of the beading remnant the marker is slipped into place on the device to be marked and attached by melt bonding. Marking of a guidewire allows lesions to be measured while the marking of balloon catheters allow the balloon to be properly positioned relative to a lesion.
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Baldwin Aaron
Bavaro Vincent Peter
D'Aquanni Peter
Simpson John Arthur
Advanced Cardiovascular Systems Inc.
Fulwider Patton LLP
Lucchesi Nicholas D
Patel Pritesh
LandOfFree
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