Stent with protruding branch portion for bifurcated vessels
First Claim
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1. A stent comprising:
- a tubular stent body defined by a pattern of struts, said stent body defining a tubular sidewall, said stent body having a side aperture defined by a contour of a loop constructed of a plurality of loop struts, said loop connected to other portions of the stent body by connector struts, the stent body being expandable from an unexpanded configuration wherein said loop and said connector struts are oriented in said tubular sidewall to an expanded configuration wherein said loop and said connector struts extend outward from said tubular sidewall.
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Abstract
The present invention is directed to a stent for use in a bifurcated body lumen having a main branch and a side branch. The stent comprises a radially expandable generally tubular stent body having proximal and distal opposing ends with a body wall having a surface extending therebetween. The surface has a geometrical configuration defining a first pattern, and the first pattern has first pattern struts and connectors arranged in a predetermined configuration. The stent also comprises a branch portion comprised of a second pattern, wherein the branch portion is at least partially detachable from the stent body.
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Citations
18 Claims
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1. A stent comprising:
a tubular stent body defined by a pattern of struts, said stent body defining a tubular sidewall, said stent body having a side aperture defined by a contour of a loop constructed of a plurality of loop struts, said loop connected to other portions of the stent body by connector struts, the stent body being expandable from an unexpanded configuration wherein said loop and said connector struts are oriented in said tubular sidewall to an expanded configuration wherein said loop and said connector struts extend outward from said tubular sidewall. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A stent comprising:
a tubular stent body defined by a pattern of struts, said stent body defining a tubular sidewall and having a side aperture defined by a contour of a ring constructed of at least one strut, said ring connected to other portions of the stent body by support struts, the stent body being expandable from an unexpanded configuration wherein said ring and said support struts are oriented in said tubular sidewall to an expanded configuration wherein said ring and said support struts extend outward from said tubular sidewall. - View Dependent Claims (16, 17, 18)
Specification