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US 7,850,623 B2Granted
Elongate medical device with continuous reinforcement member
AssigneeBoston Scientific Scimed, Inc.
InventorsStephen Griffin, Elaine Lim, Huey Quoc Chan
Life of this patent
Estimating the term…
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.
Claims23
An elongate medical device, comprising:
- an inner elongate member having a proximal portion and a distal portion;
- a continuous wire, wherein prior to being helically wound the continuous wire includes a first portion having a first cross-sectional profile, a second portion having a second cross-sectional profile different from the first cross-sectional profile, and a transition region between the first portion and the second portion;
- wherein the first portion of the continuous wire is helically wound about the proximal portion of the inner elongate member and the second portion of the continuous wire is helically wound about the distal portion of the inner elongate member;
- wherein the first portion of the helically wound continuous wire has a radial extent and the second portion of the helically wound continuous wire has a radial extent less than the radial extent of the first portion;
- and
- an outer tubular member having a proximal end and a distal end, the outer tubular member being disposed about at least a portion of the proximal portion of the inner elongate member including the helically wound continuous wire, wherein the distal end of the outer tubular member is disposed proximate the transition region of the continuous wire.
3 more elements
An elongate medical device, comprising:
- an inner elongate member having a proximal portion and a distal portion;
- a continuous wire, wherein prior to being helically wound the continuous wire includes a first portion having a first cross-sectional profile, a second portion having a second cross-sectional profile different from the first cross-sectional profile, and a transition region between the first portion and the second portion;
- wherein the first portion of the continuous wire is helically wound about the proximal portion of the inner elongate member and the second portion of the continuous wire is helically wound about the distal portion of the inner elongate member;
- and
- an outer tubular member having an inner surface, an outer surface and a wall defined between the inner and outer surfaces, the wall comprising a plurality of slots and beams, wherein the outer tubular member is disposed about at least a portion of the inner elongate member including the helically wound continuous wire.
2 more elements
A method of forming an elongate medical device, comprising:
- providing an inner elongate member having a proximal portion and a distal portion, an outer tubular member having a proximal end and a distal end, and a 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 between the first portion and the second portion, the first cross-sectional profile being different from the second cross-sectional profile;
- winding the continuous wire about the inner elongate member in a helical fashion, wherein the first portion of the continuous wire is helically wound about the proximal portion of the inner elongate member and the second portion of the continuous wire is helically wound about the distal portion of the inner elongate member;
- wherein the first portion of the helically wound continuous wire has a radial extent and the second portion of the helically wound continuous wire has a radial extent less than the radial extent of the first portion;
- and
- disposing the outer tubular member about at least a portion of the inner elongate member including the helically wound continuous wire;
- wherein the continuous wire includes the first portion having the first cross-sectional profile, the second portion having the second cross-sectional profile and the transition region between the first portion and the second portion prior to winding the continuous wire about the inner elongate tubular member in a helical fashion.
3 more elements
Dependencies are inferred from the claim text.