Elongate Medical Device with Continuous Reinforcement Member
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Abstract
An elongate medical device including an inner elongate member, a reinforcing member, and an outer tubular member is described. The reinforcing member may be a helically wound continuous wire including a first portion having a first cross-sectional profile, a second portion having a second cross-sectional profile, and a transition region located between the first portion and the second portion. The first cross-sectional profile may be different from the second cross-sectional profile. In some embodiments, the first cross-sectional profile may be circular or non-circular and the second cross-sectional profile may be circular or non-circular.
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Citations
21 Claims
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1. (canceled)
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2. A medical device, comprising:
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a tubular member having a proximal end and a distal end; wherein the tubular member has a plurality of slots formed therein; a liner disposed within the tubular member; wherein the liner has a distal end region disposed distally of the distal end of the tubular member; and wherein the liner has a proximal end region disposed proximally of the proximal end of the tubular member. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A catheter, comprising:
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a catheter shaft, the catheter shaft including an outer nickel-titanium alloy tubular member and an inner liner; wherein the outer tubular member has a plurality of slots formed therein; wherein the inner liner is free from attachment to the outer tubular member along at least a portion of the length of the inner liner; wherein the inner liner has a distal end region disposed distally of a distal end of the outer tubular member; wherein the inner liner has a proximal end region disposed proximally of a proximal end of the outer tubular member; and wherein the inner liner includes a reinforcing member. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A catheter, comprising:
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a catheter shaft, the catheter shaft including an outer nickel-titanium alloy tubular member and a multi-layer inner liner; wherein the outer tubular member has a plurality of slots formed therein; wherein the inner liner is free from attachment to the outer tubular member along at least a portion of the length of the inner liner; wherein the inner liner has a distal end region disposed distally of a distal end of the outer tubular member; a tip member disposed on the distal end region of the inner liner; wherein the inner liner has a proximal end region disposed proximally of a proximal end of the outer tubular member; a hub coupled to the proximal end region; and wherein the inner liner includes a braided reinforcing member. - View Dependent Claims (21)
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Specification