Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-06-02
1994-06-28
Hirsch, Paul J.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 96, A61M 5178
Patent
active
053242696
ABSTRACT:
A fully exchangeable over-the-wire dilatation catheter disclosed having an expandable balloon mounted on the distal end of a flexible, elongate tubular shaft provided with first and second through lumens. The first lumen traverses the longitudinal extent of the tubular shaft and is sealingly connected to the expandable balloon. The second lumen is adapted to slidingly receive a guidewire throughout the longitudinal extent of the tubular shaft and through the interior of the expandable balloon. The tubular shaft is also provided with a longitudinal rip seam extending into the second lumen from the proximal portion of the tubular shaft to a point adjacent the distal end of the tubular shaft. The rip seam may be provided with one or more side access ports into the second guidewire lumen and enables the catheter to be peeled from the guidewire during removal and exchange procedures without the need for docking a guidewire extension. The guidewire may be threaded through the side access ports in a variety of manners as desired. Associated procedures for utilizing the dilatation catheters are also disclosed.
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Baxter International Inc.
Condino Debra D.
Hirsch Paul J.
Sun Raymond
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