Implantable medical device with optimized shape
First Claim
1. A medical device for implantation in a body vessel, comprising:
- a frame having a longitudinal axis, and a first radial compressibility along a first radial direction that is less than a second radial compressibility along a second radial direction.
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Accused Products
Abstract
Medical devices for implantation in a body vessel, and methods of using and making the same, are provided. Embodiments of the invention relate to medical devices comprising a frame having cross-section that can substantially conform to body vessel shapes that have elliptical or circular cross-sections, and dynamically respond to changes in the cross-section of a body vessel. Frames with directionally-dependent radial compressibility or expandability characteristics are also provided. Medical devices comprising a frame and one or more valve members adapted to regulate fluid flow in a body vessel, such as a vein, are also provided.
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Citations
20 Claims
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1. A medical device for implantation in a body vessel, comprising:
- a frame having a longitudinal axis, and a first radial compressibility along a first radial direction that is less than a second radial compressibility along a second radial direction.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 17, 18)
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12. A medical device for implantation in a body vessel, comprising:
- a frame having a longitudinal axis, and a first radial expandibility along a first radial direction, that is less than a second radial expandibility along a second radial direction, and
(a) the first radial direction is substantially perpendicular to the longitudinal axis; and
(b) the second radial direction is substantially perpendicular to the longitudinal axis. - View Dependent Claims (13, 14, 15, 16)
- a frame having a longitudinal axis, and a first radial expandibility along a first radial direction, that is less than a second radial expandibility along a second radial direction, and
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19. A method of making a medical device for implantation in a body vessel, comprising the step of attaching a first valve member to a frame,
(a) the valve member comprising a valve member responsive to the flow of fluid through the frame, the valve member permitting fluid flow through said vessel in a first direction and substantially preventing fluid flow through said vessel in a second, opposite direction; - and
(b) the frame having a longitudinal axis, and a first radial compressibility along a first radial direction, that is less than a second radial compressibility along a second radial direction, and (c) the first radial direction is substantially perpendicular to the longitudinal axis; and
(d) the second radial direction is substantially perpendicular to the longitudinal axis.
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20. A method of treating a subject, comprising the step of:
- delivering the medical device to a point of treatment in a body vessel;
the medical device comprising;
(a) a frame having a longitudinal axis, and a first radial compressibility along a first radial direction that is less than a second radial compressibility along a second radial direction, and (1) the first radial direction is substantially perpendicular to the longitudinal axis; and
(2) the second radial direction is substantially perpendicular to the longitudinal axis; and
(b) a first valve member attached to the frame, the valve member comprising a valve member responsive to the flow of fluid through the frame, the valve member being adapted to permit fluid flow through said vessel in a first direction and substantially prevent fluid flow through said vessel in a second, opposite direction.
- delivering the medical device to a point of treatment in a body vessel;
Specification