Balloon-expandable, crush-resistant locking stent and method of

Details Balloon-expandable, crush-resistant locking stent and method of Balloon-expandable, crush-resistant locking stent and method of

1998-06-15

1999-11-02

Prebilic, Paul B.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Stent structure

623 11, 623 12, 606191, 606194, 606195, 606198, A61F 206

Patent

active

059761822

ABSTRACT:
An intraluminal, crush resistant stent for implantation in a body lumen is disclosed. The crush resistant stent is made from a base section having a plurality of resilient, parallel, coplanar struts having a zig-zag configuration extending therefrom wherein the zig-zag struts are curved and pass through corresponding slots in the base section to form a continuous, cylindrical hoop. Each zig-zag strut has an amplitude that decreases when the zig-zag strut is placed under tension and an amplitude that increases when the zig-zag strut is unstressed or is placed under compression. Accordingly, each zig-zag strut can be pulled through the respective slot in the base section, but under compression the zig-zag struts assume the larger amplitude and cannot pass through the corresponding slot thereby maintaining the diameter of the stent constant.

REFERENCES:
patent: 4994071 (1991-02-01), MacGregor
patent: 5575816 (1996-11-01), Rudnick et al.
patent: 5733330 (1998-03-01), Cox

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