Endovascular support device and method
An endovascular support device for treatment of chronic restenosis or other vascular narrowing is disclosed together with a method of manufacture and a method for delivering a plurality of such devices to an affected area of a vessel. In a preferred embodiment, the endovascular support device comprises a unitary wire-like structure configured to form a plurality of upper and lower peaks which may be compressed for delivery to an affected area of a coronary or peripheral vessel in a human, and then expanded to maintain a passageway through the vessel.
1 - 3 . (canceled)
4 . An intraluminal support device, comprising:
A plurality of balloon expandable rings parallel and adjacently aligned, each ring comprising axial turns, wherein at least one of the axial turns facing a first direction and at least one of the axial turns facing a second direction are not connected to an adjacently aligned expandable ring and have an ellipsoidal cross-section.
5 . The support device of claim 4 wherein each of the plurality of straight portions is disposed between a pair of axial turns.
6 . The support device of claim 5 wherein the straight portions extend from a first axial turn to a second axial turn.
7 . wherein the rings are made of a metal alloy.
8 . wherein the rings are expanded from a first expandable radius to a second expanded radius.