Tip protector sleeve
First Claim
Patent Images
1. A delivery catheter assembly comprising:
- a control device;
an elongated catheter sheath having a distal end and a proximal end connected to the control device;
a tip protector sleeve locked onto the elongated catheter sheath and slideable over a length of the elongated catheter sheath between a proximal-stop position and a distal-stop position along the elongated catheter sheath while locked onto the elongated catheter sheath; and
an interference stop comprising a male interference part fixed to the elongated catheter sheath at a first distance from the distal end of the elongated sheath, and a female interference part;
wherein the male interference part interferes with sliding of the female interference part over the elongated sheath such that the interference stop determines the distal-stop position and prevents the tip protector sleeve from sliding off of the distal end of the elongated catheter sheath, and the tip protector sleeve is longer than the first distance such that the tip protector sleeve extends distally beyond the distal end of the elongated catheter sheath when at the distal-stop position.
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Abstract
Assemblies and methods of inserting a delivery catheter assembly into a working channel are disclosed. In accordance with some embodiments, a delivery catheter assembly is disclosed in which a tip protector sleeve is locked onto an elongated catheter sheath and slideable over a length of the elongated catheter sheath between a proximal-stop position and a distal-stop position along the elongated catheter sheath.
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Citations
11 Claims
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1. A delivery catheter assembly comprising:
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a control device; an elongated catheter sheath having a distal end and a proximal end connected to the control device; a tip protector sleeve locked onto the elongated catheter sheath and slideable over a length of the elongated catheter sheath between a proximal-stop position and a distal-stop position along the elongated catheter sheath while locked onto the elongated catheter sheath; and an interference stop comprising a male interference part fixed to the elongated catheter sheath at a first distance from the distal end of the elongated sheath, and a female interference part; wherein the male interference part interferes with sliding of the female interference part over the elongated sheath such that the interference stop determines the distal-stop position and prevents the tip protector sleeve from sliding off of the distal end of the elongated catheter sheath, and the tip protector sleeve is longer than the first distance such that the tip protector sleeve extends distally beyond the distal end of the elongated catheter sheath when at the distal-stop position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification