Patent ID: 11865018
Assignee: ATRIUM MEDICAL CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A  Y | IPC A

Claim 5:
6. A stent device, comprising:
a stent comprising a plurality of radially expandable rings arranged in a series along a common longitudinal axis and coupled by a plurality of interconnecting members, wherein each of the plurality of radially expandable rings comprises a plurality of repeating bent segments, each repeating bent segment comprising a peak and a valley, the peaks and valleys of adjacent expandable rings comprise an angular offset such that the peaks of a first expandable ring longitudinally align with the valleys of a second expandable ring adjacent to the first expandable ring, wherein each of the interconnecting members has an elongate portion, a first coupling end, and a second coupling end, each of the plurality of interconnecting members having a fusiform shape in which a width of each interconnecting member at the center of the elongate portion is the widest position of each interconnecting member, each interconnecting member narrowing along its length in both directions from the center of the elongate portion, the first coupling end forming a first end of the fusiform shape and the second coupling end forming a second end of the fusiform shape; and
a cover formed of expanded polytetrafluoroethylene and comprising an inner layer and an outer layer, wherein the cover encapsulates the stent to form a covered stent;
wherein, when expanded to an operational deployment diameter, the covered stent device exhibits foreshortening of about 6% or less.