Vascular implant and delivery system
First Claim
Patent Images
1. A vascular implant delivery device configured to deliver a self-expanding vascular implant comprising one or more locking members, the delivery device comprising:
- an elongate support tube having a distal end;
a locking mechanism disposed at or adjacent the distal end of the elongate support tube, the locking mechanism comprising;
a capture slot configured to engage the one or more locking members of the self-expanding vascular implant; and
a plurality of guide slots configured to receive a portion of the self-expanding vascular implant when the one or more locking members is engaged with the capture slot, the capture slot positioned at a proximal end of the plurality of guide slots;
wherein the locking mechanism is configured to minimize axial movement of the implant when the locking mechanism and the one or more locking members are engaged; and
an elongate sheath configured to slide over the support tube to cover at least the capture slot when the one or more locking members of the self-expanding vascular implant is engaged with the capture slot, whereby the sheath is configured to restrain radial movement of the one or more implant locking members, and thereby prevent release of the one or more locking members from the locking mechanism, when the sheath is positioned over the capture slot and the one or more locking members is engaged with the capture slot.
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Abstract
A compacted vascular implant can be delivered to a target location within a delivery device. During delivery, the implant can be partially released from the delivery device before full deployment. The delivery device can include an elongated support tube, a locking mechanism, and a sheath. The locking mechanism can be provided on the support tube. The sheath can be configured to slide over the elongated support tube and can be configured to cover the locking mechanism and to restrain at least a portion of the implant.
417 Citations
14 Claims
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1. A vascular implant delivery device configured to deliver a self-expanding vascular implant comprising one or more locking members, the delivery device comprising:
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an elongate support tube having a distal end; a locking mechanism disposed at or adjacent the distal end of the elongate support tube, the locking mechanism comprising; a capture slot configured to engage the one or more locking members of the self-expanding vascular implant; and a plurality of guide slots configured to receive a portion of the self-expanding vascular implant when the one or more locking members is engaged with the capture slot, the capture slot positioned at a proximal end of the plurality of guide slots; wherein the locking mechanism is configured to minimize axial movement of the implant when the locking mechanism and the one or more locking members are engaged; and an elongate sheath configured to slide over the support tube to cover at least the capture slot when the one or more locking members of the self-expanding vascular implant is engaged with the capture slot, whereby the sheath is configured to restrain radial movement of the one or more implant locking members, and thereby prevent release of the one or more locking members from the locking mechanism, when the sheath is positioned over the capture slot and the one or more locking members is engaged with the capture slot. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A vascular implant delivery device comprising:
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an elongated support tube; a locking mechanism provided on the support tube, the locking mechanism comprising a capture slot for receiving at least one strut of a vascular implant, the capture slot configured to prevent distal movement of the strut when the strut is engaged within the capture slot, and a guide slot configured to receive a portion of the strut distal of the capture slot; and a sheath configured to slide over the elongated support tube and configured to cover the capture slot and to restrain the strut between the sheath and a bottom surface of the capture slot when the strut is engaged within the capture slot. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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Specification