Cut tubular members for a medical device and methods for making and using the same
First Claim
Patent Images
1. A medical device, comprising:
- an elongate shaft having a proximal region and a distal region, wherein the shaft includes a core wire having a solid cross-section;
a tubular member disposed over the distal region of the shaft, the tubular member having an outer surface and an inner surface;
wherein the tubular member has a plurality of slots defined therein;
wherein a beveled slot is defined in the tubular member that has a first geometry at the outer surface and a second geometry at the inner surface, the first geometry being different from the second geometry;
wherein a bevel is formed in the tubular member that forms a transition between the first geometry and the second geometry of the beveled slot; and
wherein the bevel is an angled bevel that extends at a variable angle between the first geometry and the second geometry of the beveled slot.
1 Assignment
0 Petitions
Accused Products
Abstract
Medical devices and methods for making and using the same. An example medical devices includes a core member and a tubular member disposed over a portion of the core member. The tubular member has a plurality of slots formed therein.
129 Citations
14 Claims
-
1. A medical device, comprising:
-
an elongate shaft having a proximal region and a distal region, wherein the shaft includes a core wire having a solid cross-section; a tubular member disposed over the distal region of the shaft, the tubular member having an outer surface and an inner surface; wherein the tubular member has a plurality of slots defined therein; wherein a beveled slot is defined in the tubular member that has a first geometry at the outer surface and a second geometry at the inner surface, the first geometry being different from the second geometry; wherein a bevel is formed in the tubular member that forms a transition between the first geometry and the second geometry of the beveled slot; and wherein the bevel is an angled bevel that extends at a variable angle between the first geometry and the second geometry of the beveled slot. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A medical device, comprising:
-
an elongate shaft having a proximal region and a distal region, the shaft having a solid cross-section; a nickel-titanium alloy tubular member disposed over the distal region of the shaft, the tubular member having an outer surface and an inner surface; wherein the tubular member has a plurality of slots defined therein, the plurality of slots including a beveled slot that has a first geometry at the outer surface and a second geometry at the inner surface; and wherein the tubular member includes a variable-angle bevel that extends between the outer surface and the inner surface adjacent the beveled slot at a variable angle such that the variable angle bevel follows a curved path between a first point along the outer surface and a second point along the inner surface and positioned radially inward from the first point. - View Dependent Claims (9, 10, 11, 12)
-
-
13. A medical device, comprising:
-
a nickel-titanium alloy tubular member having an outer surface and an inner surface; wherein the nickel-titanium alloy tubular member has a plurality of slots defined therein, the slots including a beveled slot having a first geometry at the outer surface and a second geometry at the inner surface; and wherein the nickel-titanium alloy tubular member includes a bevel between the outer surface and the inner surface adjacent the slots, the bevel extending between the outer surface and the inner surface such that between a first point along the outer surface of the tubular member and a second point along the inner surface of the tubular member and positioned directly radially inward from the first point, the bevel follows a curved path at a changing angle.
-
-
14. A method for manufacturing a guidewire, the method comprising the steps of:
-
providing a core wire having a solid cross-section; providing a tubular member, the tubular member having an outer surface and an inner surface; disposing the tubular member over the distal portion of the core wire; providing a cutting blade having a curved cutting surface; cutting a plurality of slots including a beveled slot into the tubular member with the cutting blade; wherein the beveled slot has a first geometry at the outer surface and a second geometry at the inner surface, the first geometry being different from the second geometry; wherein a bevel is formed in the tubular member that forms a transition between the first geometry and the second geometry of the beveled slot; and wherein the bevel is a curved bevel that extends at a variable angle between the first geometry and the second geometry of the beveled slot such that between a first point along the outer surface of the tubular member and a second point along the inner surface of the tubular member and positioned directly radially inward from the first point, the curved bevel follows a curved path.
-
Specification