Solid-body catheter including lateral distal openings
First Claim
1. A catheter for vascular insertion, comprising:
- a catheter body including an outer wall enclosing a first lumen and a second lumen, the first lumen separated from the second lumen by a septum, the first lumen and the second lumen respectively terminating at a distal end of the catheter body in a first opening and a second opening;
a first lateral opening in fluid communication with the first lumen at the distal end of the catheter body, the first lateral opening defined by a skive cut through the outer wall of the catheter body proximal to the first opening, the skive cut defined by;
a first cut at an angle relative to a longitudinal axis of the catheter body in a range from about 20 degrees to about 90 degrees; and
a second cut at an angle relative to a plane through the septum of about 45 degrees or less;
a second lateral opening in fluid communication with the second lumen at the distal end of the catheter body proximal to the second opening.
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Abstract
A catheter for vascular insertion, including a catheter body defining a first lumen and a second lumen, and including a distal region. The distal region includes an atraumatic nose portion defining a first distal opening in fluid communication with the first lumen, and a second distal opening in fluid communication with the second lumen. The distal region also includes a first lateral opening defined by the catheter body and in fluid communication with the first lumen, and a second lateral opening defined by the catheter body and in fluid communication with the second lumen. One or both of the first and second lateral openings may be defined by an angle cross-cut through an outer perimeter of the catheter body.
686 Citations
14 Claims
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1. A catheter for vascular insertion, comprising:
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a catheter body including an outer wall enclosing a first lumen and a second lumen, the first lumen separated from the second lumen by a septum, the first lumen and the second lumen respectively terminating at a distal end of the catheter body in a first opening and a second opening; a first lateral opening in fluid communication with the first lumen at the distal end of the catheter body, the first lateral opening defined by a skive cut through the outer wall of the catheter body proximal to the first opening, the skive cut defined by; a first cut at an angle relative to a longitudinal axis of the catheter body in a range from about 20 degrees to about 90 degrees; and a second cut at an angle relative to a plane through the septum of about 45 degrees or less; a second lateral opening in fluid communication with the second lumen at the distal end of the catheter body proximal to the second opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification