Flexible tip catheter with extended fluid lumen
First Claim
1. A lumen extension member for a catheter having a catheter body and an elongate flexible electrode, said lumen extension member comprising a tubular member fixedly coupled to a distal portion of the catheter body and positioned within the elongate electrode, said tubular member comprising a sidewall and at least one opening extending through said sidewall, wherein said lumen extension member is configured such that a flexibility of said elongate flexible electrode is not compromised by said lumen extension member during initial bending movement of the elongate flexible electrode from an at rest position.
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Accused Products
Abstract
A lumen extension member is provided for a catheter having a catheter body and an elongate electrode coupled to the catheter body. The elongate electrode defines an electrode lumen extending therethrough. The lumen extension member is positioned within the electrode lumen and is coupled to the catheter body. The lumen extension member includes a tubular member including a sidewall and at least one opening that extends through the sidewall.
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Citations
20 Claims
- 1. A lumen extension member for a catheter having a catheter body and an elongate flexible electrode, said lumen extension member comprising a tubular member fixedly coupled to a distal portion of the catheter body and positioned within the elongate electrode, said tubular member comprising a sidewall and at least one opening extending through said sidewall, wherein said lumen extension member is configured such that a flexibility of said elongate flexible electrode is not compromised by said lumen extension member during initial bending movement of the elongate flexible electrode from an at rest position.
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6. An ablation catheter comprising:
- a catheter body having a distal portion;
an elongate electrode having an inner surface defining an electrode lumen, said elongate electrode coupled to said distal portion of said catheter body; and
a lumen extension member comprising a projecting portion and an outer surface, said projecting portion projecting into said electrode lumen, said lumen extension member fixedly coupled to said distal portion of said catheter body and configured such that a flexibility of the elongate electrode is not compromised by said lumen extension member during initial bending movement of the elongate electrode from an at rest position. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
- a catheter body having a distal portion;
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18. A catheter comprising:
- a catheter body comprising a proximal portion and a distal portion;
a tip assembly defining a tip lumen extending therethrough, said tip assembly coupled to the distal portion of the catheter body;
a lumen extension member comprising a projecting portion and a sidewall and fixedly coupled to the distal portion, said lumen extension member defining a lumen;
a proximal opening extending through said sidewall, the proximal opening defining a first diameter and in fluid communication with the lumen extension member lumen; and
a distal opening extending through said sidewall, the distal opening defining a second diameter and in fluid communication with the lumen extension member lumen, wherein the proximal opening is different in size than the distal opening, wherein the lumen extension member projecting portion is positioned in the tip lumen and is configured such that a flexibility of the tip assembly is not compromised by said lumen extension member during initial bending movement of the tip assembly from an at rest position. - View Dependent Claims (19, 20)
- a catheter body comprising a proximal portion and a distal portion;
Specification