Method and apparatus for implanting a graft in a vessel of a patient
First Claim
1. An apparatus for implanting a graft into a vessel of a patient comprising:
- a mechanical delivery mechanism for delivering the graft to a desired location inside the vessel and then withdrawing from the vessel, said delivery mechanism includes an expansion mechanism comprising a portion and a hinge about which the portion of the expansion mechanism rotates; and
an anchoring mechanism for anchoring the graft to the interior surface of the vessel from the inside of the vessel, said anchoring mechanism connected to the delivery mechanism, said expansion mechanism expands inside the vessel to cause the anchoring mechanism to pierce the vessel, said anchoring mechanism is adapted to pierce through the graft and the vessel from the interior surface of the vessel and engage with the exterior surface of the vessel under the operation of the delivery mechanism.
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Accused Products
Abstract
The present invention pertains to an apparatus for implanting a graft into a vessel of a patient. The apparatus includes a mechanical delivery mechanism for delivering the graft to a desired location inside the vessel and then withdrawing from the vessel. The apparatus also has an anchoring mechanism for anchoring the graft to the interior surface of the vessel from the inside of the vessel. The anchoring mechanism is connected to the delivery mechanism. The present invention pertains to a method of implanting a graft in a vessel of a patient. The method includes the steps of delivering a graft to a desired location inside the vessel with a delivery mechanism. Next, there is the step of piercing the vessel from the interior of the vessel with anchors connected to the graft from inside the vessel. Then, there is the step of anchoring the anchors in the vessel to hold the graft in the vessel by changing the shape of the anchors.
313 Citations
21 Claims
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1. An apparatus for implanting a graft into a vessel of a patient comprising:
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a mechanical delivery mechanism for delivering the graft to a desired location inside the vessel and then withdrawing from the vessel, said delivery mechanism includes an expansion mechanism comprising a portion and a hinge about which the portion of the expansion mechanism rotates; and an anchoring mechanism for anchoring the graft to the interior surface of the vessel from the inside of the vessel, said anchoring mechanism connected to the delivery mechanism, said expansion mechanism expands inside the vessel to cause the anchoring mechanism to pierce the vessel, said anchoring mechanism is adapted to pierce through the graft and the vessel from the interior surface of the vessel and engage with the exterior surface of the vessel under the operation of the delivery mechanism. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of implanting a graft in a vessel of a patient comprising the steps of:
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delivering a graft to a desired location inside the vessel with a delivery mechanism; expanding an expansion mechanism of the delivery mechanism about a hinge of the expansion mechanism; piercing the vessel from the interior of the vessel with anchors connected to the graft from inside the vessel from the action of the expansion mechanism; and anchoring the anchors in the vessel to hold the graft in the vessel by changing the shape of the anchors. - View Dependent Claims (15, 16, 17, 18, 19)
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20. An apparatus for implanting a graft into a vessel of a patient comprising:
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a mechanical delivery mechanism for delivering the graft to a desired location inside the vessel and then withdrawing from the vessel, the delivery mechanism includes an expansion mechanism, the delivery mechanism includes a housing which is positioned about the expansion mechanism to protect the expansion mechanism while it is inside the vessel, the delivery mechanism includes a first catheter mechanism connected to the housing for moving the housing relative to the expansion mechanism, the delivery mechanism includes a second catheter mechanism in which the first catheter mechanism is disposed and a third catheter mechanism in which the second catheter mechanism is disposed and the first catheter mechanism extends through the expansion mechanism, the expansion mechanism is connected to the second and third catheter mechanisms, said second and third catheter mechanisms each having an end which is adapted to be disposed in the vessel, and the relative movement of the second and third catheter ends to each other cause the expansion mechanism to expand or contract; and an anchoring mechanism for anchoring the graft to the interior surface of the vessel from the inside of the vessel, said anchoring mechanism connected to the delivery mechanism, said anchoring mechanism is adapted to pierce through the graft and the vessel from the interior surface of the vessel and engage with the exterior surface of the vessel under the operation of the delivery mechanism, the anchoring mechanism is adapted to separate from the delivery mechanism after the anchoring mechanism has engaged the exterior surface of the vessel and anchored in the vessel and the delivery mechanism is withdrawn, said expansion mechanism expands inside the vessel to cause the anchoring mechanism to pierce the vessel.
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21. A method of implanting a graft in a vessel of a patient comprising the steps of:
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delivering a graft to a desired location inside the vessel with a delivery mechanism; piercing the vessel from the interior of the vessel with anchors connected to the graft from inside the vessel; anchoring the anchors in the exterior surface of the vessel to hold the graft in the vessel by changing the shape of the anchors; and withdrawing the delivery mechanism from the vessel.
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Specification