CATHETER WITH GUIDEWIRE LUMEN WITH TUBULAR PORTION AND SLEEVE
First Claim
Patent Images
1. A guidewire lumen for a catheter, comprising a tubular portion and a sleeve disposed over less than an entire length of the tubular portion, the tubular portion being formed of a first polymer and the sleeve being formed of a second polymer, the second polymer comprising one or more of a polyamide, a nylon, a polyether block amide, and polyurethane.
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Abstract
A guidewire lumen for a catheter includes a tubular portion and a sleeve bonded over less than an entire length of the tubular portion. The tubular portion is formed of a first material and the sleeve is formed of a second material. The second material may bond better to certain materials than the first material.
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Citations
40 Claims
- 1. A guidewire lumen for a catheter, comprising a tubular portion and a sleeve disposed over less than an entire length of the tubular portion, the tubular portion being formed of a first polymer and the sleeve being formed of a second polymer, the second polymer comprising one or more of a polyamide, a nylon, a polyether block amide, and polyurethane.
- 19. A guidewire lumen for a catheter, comprising a tubular portion formed of a first material and a sleeve formed of a second material disposed around part of the tubular portion, and a metallic marker band disposed around a portion of the tubular portion, the sleeve being disposed over the marker band and extending from proximate a distal end of the tubular portion to a point proximal of and proximate the marker band.
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28. A method of making a catheter, comprising:
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providing a sleeve over less than an entire length of a tubular portion of a guidewire lumen, the tubular portion being formed of a first material and the sleeve being formed of a second material; providing a marker band over the tubular portion and beneath the sleeve; and bonding the sleeve to a catheter component. - View Dependent Claims (29, 30, 31)
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- 32. The method as set forth in claim 31, wherein the guidewire lumen extends through an opening in a wall of the catheter shaft, the sleeve being bonded to the catheter shaft where the guidewire lumen extends through the opening in the wall of the catheter shaft.
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32-1. A catheter comprising:
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a guidewire lumen comprising a tubular portion and proximal and distal sleeves disposed over less than an entire length of the tubular portion, the tubular portion being formed of a first material and the sleeves being formed of a second material, and a metallic marker band disposed between the distal sleeve and the tubular portion; a balloon bonded to the distal sleeve; and a catheter shaft bonded to the proximal sleeve.
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Specification