DEVICE AND METHODS FOR DELIVERY AND TRANSFER OF TEMPORARY RADIOPAQUE ELEMENT
First Claim
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1. A method for marking a luminal site, said method comprising:
- providing an expandable member having a radiopaque material releasably carried on an external surface thereof; and
expanding the expandable member within the luminal site to transfer at least a portion of the radiopaque material to the luminal site.
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Abstract
A device for the transfer of radiopaque material within the body comprises a valvuloplasty or other balloon coated with the radiopaque material. The balloon is inflated in the aortic valve for marking the site of an aortic annulus to enable accurate placement of prosthetic valves under fluoroscopic imaging.
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Citations
20 Claims
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1. A method for marking a luminal site, said method comprising:
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providing an expandable member having a radiopaque material releasably carried on an external surface thereof; and expanding the expandable member within the luminal site to transfer at least a portion of the radiopaque material to the luminal site. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A catheter for marking a luminal site, said system comprising:
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a catheter body having a proximal end and a distal end; an expandable member on a distal portion of the catheter body; and a radiopaque material releasably carried on an external surface of the expandable member, wherein the material is coupled to the expandable member such that the least a portion of the material will transfer to a luminal surface when the member is expanded therein. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification