ELONGATED MEDICAL DEVICE WITH DISTAL CAP
First Claim
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1. A method of manufacturing a medical device, comprising the steps of:
- providing a core wire having a proximal section and a distal section;
providing a tubular body member having a proximal portion and a distal portion;
attaching a tip to the distal portion of the tubular member to form a distal cap member comprising the tubular body member and the tip; and
coupling the distal cap member to the distal section of the core wire.
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Abstract
Elongate medical devices such as guidewires can be formed from a core wire and a preformed distal cap that is configured to fit over a distal end of the core wire. The distal cap can be attached using a variety of techniques. In particular, the distal cap can be attached to the core wire using laser welding.
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Citations
20 Claims
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1. A method of manufacturing a medical device, comprising the steps of:
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providing a core wire having a proximal section and a distal section;
providing a tubular body member having a proximal portion and a distal portion;
attaching a tip to the distal portion of the tubular member to form a distal cap member comprising the tubular body member and the tip; and
coupling the distal cap member to the distal section of the core wire. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of producing a guidewire, comprising:
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providing a core wire having a distal end and a proximal end;
providing a metallic tubular sleeve having a distal end and a proximal end;
positioning the tubular sleeve over the distal end of the core wire;
positioning a metal ball proximate the distal end of the tubular sleeve; and
melting at least a portion of the tubular sleeve and the metal ball via laser or plasma welding to form an atraumatic tip. - View Dependent Claims (8, 9)
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10. A method of producing a guidewire, comprising:
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providing a core wire having a distal end and a proximal end;
providing a distal cap having a distal end and a proximal end, the proximal end of the distal cap comprising an aperture configured to fit over the distal end of the core wire;
inserting the distal end of the core wire into the distal cap aperture; and
attaching the distal cap over the distal end of the core wire. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification