BIFURCATED PROSTHESES HAVING DIFFERENTIAL DRUG COATINGS
First Claim
Patent Images
1. A bifurcated stent comprising:
- a main stent body adapted for placement in a body lumen adjacent to a branch lumen; and
a crown on the stent body adapted to be deployed laterally outwardly from the stent body and into the branch lumen;
a coating over at least a portion of the stent, wherein a coating region over the crown of the stent differs from a coating region over the main stent body.
2 Assignments
0 Petitions
Accused Products
Abstract
Bifurcated stent includes a main stent body and a crown adapted to deploy it laterally into a branch vessel from the main stent body. A therapeutic agent or other material is coated on at least a portion of the crown of the stent, usually over the base of the crown adjacent to the main stent body. The main stent body is either free from coating or is coated in a different manner than is the crown portion of the stent.
31 Citations
20 Claims
-
1. A bifurcated stent comprising:
-
a main stent body adapted for placement in a body lumen adjacent to a branch lumen; and
a crown on the stent body adapted to be deployed laterally outwardly from the stent body and into the branch lumen;
a coating over at least a portion of the stent, wherein a coating region over the crown of the stent differs from a coating region over the main stent body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20)
-
-
17. A method for delivering a therapeutic agent to a bifurcation in a body lumen, said method comprising:
-
advancing a stent into the body lumen; and
deploying a crown of the stent into a side branch of the lumen while a main body of the stent remains in the body lumen;
wherein a first therapeutic agent formulation is present on the crown and the main body has a second therapeutic agent formulation or no therapeutic agent.
-
Specification