Devices and methods for controlling expandable prostheses during deployment
First Claim
1. A prosthesis delivery catheter comprising:
- an outer shaft having a first lumen;
a plurality of self-expanding tubular prostheses carried within the first lumen, the prostheses being adapted to radially expand upon deployment from the first lumen;
a deployment mechanism for deploying a selected number of the prostheses from the first lumen; and
a control member interactive with the prostheses to control expansion of the prostheses when the prostheses are deployed from the first lumen.
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Accused Products
Abstract
Prosthesis delivery devices and methods are provided that enable precise control of prosthesis position during deployment. The prosthesis delivery devices may carry multiple prostheses and include deployment mechanisms for delivery of a selectable number of prostheses. Control mechanisms are provided in the prosthesis delivery devices that control either or both of the axial and rotational positions of the prostheses during deployment. This enables the deployment of multiple prostheses at a target site with precision and predictability, eliminating excessive spacing or overlap between prostheses. In particular embodiments, the prostheses of the invention are deployed in stenotic lesions in coronary or peripheral arteries or in other vascular locations.
482 Citations
45 Claims
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1. A prosthesis delivery catheter comprising:
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an outer shaft having a first lumen;
a plurality of self-expanding tubular prostheses carried within the first lumen, the prostheses being adapted to radially expand upon deployment from the first lumen;
a deployment mechanism for deploying a selected number of the prostheses from the first lumen; and
a control member interactive with the prostheses to control expansion of the prostheses when the prostheses are deployed from the first lumen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A prosthesis delivery catheter for delivering prostheses into a vessel lumen comprising:
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an outer shaft having a first lumen;
a plurality of self-expanding tubular prostheses carried within the first lumen, the prostheses being adapted to radially expand upon deployment from the first lumen;
a deployment mechanism for deploying a selected number of the prostheses from the first lumen; and
a anchor member adapted to engage the vessel to limit movement of the outer shaft relative thereto when a prosthesis is being deployed. - View Dependent Claims (26, 27, 28, 29)
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30. A prosthesis delivery catheter for delivering prostheses into a vessel lumen comprising:
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an outer shaft having a first lumen;
a plurality of self-expanding tubular prostheses carried within the first lumen, the prostheses being adapted to radially expand upon deployment from the first lumen, each prosthesis comprising a distal portion and proximal portion, the distal portion being configured to expand into engagement with the vessel while the proximal portion is at least partially disposed in the first lumen; and
a deployment mechanism for deploying a selected number of the prostheses from the first lumen. - View Dependent Claims (31, 32, 33)
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34. A method of delivering one or more prostheses to a treatment site in a vessel comprising:
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positioning a delivery catheter at the treatment site, the delivery catheter carrying a plurality of self-expanding prostheses;
selecting a desired number of the prostheses to deploy;
deploying the desired number of prostheses from the delivery catheter into the vessel, each prosthesis expanding into contact with the vessel upon deployment; and
controlling the axial displacement of each of the selected number of prostheses relative to the delivery catheter during the deployment thereof. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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Specification