Systems for attaining a predetermined porosity of a vascular device
First Claim
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1. A system for treating a patient, the system comprising:
- an expandable vascular device comprising a body having a substantially uniform porosity that is adapted to change by adjusting an axial length of the body, andan expanding member positioned within a central lumen of the device, the expanding member configured to engage the body, as the body is radially expanded from a collapsed configuration, and to reduce a porosity of the body within a body region more than the body porosity is reduced outside the region.
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Abstract
A system for treating a patient is provided that includes an expandable vascular device having a body having a substantially uniform porosity that is adapted to change by adjusting an axial length of the body. The system also includes an expanding member positioned within a central lumen of the device, the expanding member configured to engage the body, as the body is radially expanded from a collapsed configuration, and to reduce a porosity of the body within a body region more than the body porosity is reduced outside the region.
605 Citations
22 Claims
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1. A system for treating a patient, the system comprising:
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an expandable vascular device comprising a body having a substantially uniform porosity that is adapted to change by adjusting an axial length of the body, and an expanding member positioned within a central lumen of the device, the expanding member configured to engage the body, as the body is radially expanded from a collapsed configuration, and to reduce a porosity of the body within a body region more than the body porosity is reduced outside the region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A delivery system for a vascular device, the delivery system comprising:
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a catheter having a lumen; a guide wire extending through the catheter lumen; a vascular device having a porosity that is altered by adjustment of an axial length of the device; and an expanding member disposed within a distal portion of the catheter, the expanding member configured to axially shorten as the expanding member is radially expanded; wherein the expanding member is configured to engage a region of the device and reduce, as the expanding member axially shortens, a porosity of the device within the region more than the porosity is reduced outside the region. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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Specification