| 摘要 |
Implantable frames for use in body passages are provided herein. The implantable frames can include a plurality of hoop members joined by a plurality of longitudinal connecting members to form a tubular frame defining a cylindrical lumen. The plurality of longitudinal connecting members may include one or more pairs of closely-spaced longitudinal connecting members aligned substantially parallel to the longitudinal axis of the implantable frame. The circumferential distance between the closely-spaced longitudinal connecting members preferably subtends an angle less than (2pi/n) radians, where (n) is an integer equal to the total number of longitudinal connecting members connecting two longitudinally adjacent hoop members.
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