Delivery system for vascular prostheses and methods of use
First Claim
1. A delivery system for delivering a vascular prosthesis within a vessel, the vascular prosthesis having a contracted delivery configuration and a deployed configuration, the delivery system comprising:
- a delivery wire;
a loader tube having a distal end and a lumen of a first diameter configured to constrain the vascular prosthesis to the delivery wire in the contracted delivery configuration; and
a sheath having a proximal end and a lumen of a second diameter, the second diameter dimensioned to accept the delivery wire and the vascular prosthesis while retaining the vascular prosthesis in the contracted delivery configuration; and
a coupling configured to engage the distal end of the loader tube to the proximal end of the sheath to enable the vascular prosthesis to be advanced from the loader tube to a target location within the vessel.
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Accused Products
Abstract
The present invention is directed to a delivery system for delivering a vascular prosthesis within a vessel, the vascular prosthesis having a contracted delivery configuration and a deployed configuration. The delivery system comprises a loader tube having a lumen preloaded with a delivery wire carrying a vascular prosthesis in the contracted delivery configuration. A separately inserted sheath includes a lumen configured to accept the vascular prosthesis, while retaining it in the contracted delivery configuration. The delivery wire is used to translate the vascular prosthesis to a distal end of the sheath for deployment in a vessel.
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Citations
26 Claims
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1. A delivery system for delivering a vascular prosthesis within a vessel, the vascular prosthesis having a contracted delivery configuration and a deployed configuration, the delivery system comprising:
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a delivery wire;
a loader tube having a distal end and a lumen of a first diameter configured to constrain the vascular prosthesis to the delivery wire in the contracted delivery configuration; and
a sheath having a proximal end and a lumen of a second diameter, the second diameter dimensioned to accept the delivery wire and the vascular prosthesis while retaining the vascular prosthesis in the contracted delivery configuration; and
a coupling configured to engage the distal end of the loader tube to the proximal end of the sheath to enable the vascular prosthesis to be advanced from the loader tube to a target location within the vessel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for delivering a vascular prosthesis to a lesion within a patient'"'"'s vessel, the vascular prosthesis having a contracted delivery configuration and a deployed configuration, the method comprising:
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providing a delivery wire, a loader tube having a lumen and a sheath having a lumen;
compressing the vascular prosthesis onto the delivery wire to the contracted delivery configuration;
advancing the loader tube over the vascular prosthesis and the delivery wire to retain the vascular prosthesis in the contracted delivery configuration;
advancing the sheath within the patient'"'"'s vessel to a target location;
coupling the loader tube to the sheath;
advancing the delivery wire and vascular prosthesis, in the contracted delivery configuration, from the loader tube and through the sheath to the target location; and
ejecting the vascular prosthesis from the sheath so that it deploys against the patient'"'"'s vessel at the target location. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification