Device and method for modifying the shape of a body organ
First Claim
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1. A device for modifying the shape of tissue adjacent to a lumen, the device comprising:
- an anchor adapted to be deployed by a catheter to engage the lumen;
a support extending from the anchor and adapted to engage the lumen; and
a recapture mechanism adapted to assist the recapture of at least a portion of the device into the catheter.
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Abstract
An intravascular support device includes a support or reshaper wire, a proximal anchor and a distal anchor. The support wire engages a vessel wall to change the shape of tissue adjacent the vessel in which the intravascular support is placed. The anchors and support wire are designed such that the vessel in which the support is placed remains open and can be accessed by other devices if necessary. The device provides a minimal metal surface area to blood flowing within the vessel to limit the creation of thrombosis. The anchors can be locked in place to secure the support within the vessel.
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Citations
19 Claims
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1. A device for modifying the shape of tissue adjacent to a lumen, the device comprising:
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an anchor adapted to be deployed by a catheter to engage the lumen;
a support extending from the anchor and adapted to engage the lumen; and
a recapture mechanism adapted to assist the recapture of at least a portion of the device into the catheter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of recapturing a device deployed in a lumen to modify the shape of tissue adjacent to the lumen, the method comprising:
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holding the device in place within the lumen;
advancing a catheter distally within the lumen;
engaging a distal surface of the catheter with a recapture mechanism of the device; and
recapturing at least a portion of the device into the catheter. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An intravascular support comprising:
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a proximal anchor that circumferentially engages a vessel wall in which the support is placed, the proximal anchor being disposed in a proximal anchor plane;
a distal anchor that circumferentially engages a vessel wall in which the support is placed, the distal anchor being offset in a distal anchor plane offset from the proximal anchor plane; and
a support wire extending between the proximal and distal anchors so that the support wire is urged against the vessel wall to compress tissue that is adjacent the vessel. - View Dependent Claims (16, 17, 18, 19)
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Specification