← Back to Patent Explorer
EP0421729B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Articulated stent

Assignee: Medtronic Inc
•
Filing: 1990-10-02
•
Granted: 1996-01-17
•
Expires: 2010-10-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Rodney G. Wolff

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 08:12
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/89; A61F2002/828

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 112 words
An articulated stent (10) comprising: (a) at least two segments made up of stent means (12) having an axial bore therethrough and made of metal; (b) flexible hinge means (14) formed of biocompatible metal attached to said stent means, and arranged such as to flexibly connect said segments together with the axial bores of adjacent stent means generally aligned; characterized in that each stent means (12) comprises a number of wires welded together and formed into a generally tubular shape and wherein a wire of a pair of adjoining segments is common to both segments such that a portion of the common wire extending between adjoining stent segments provides a hinge function.
Claim 2
Dependent Claim 18 words
An articulated stent as claimed in claim 1 wherein said hinge means (14) are made of radiopaque material.
Claim 3
Dependent Claim 20 words
An articulated stent as claimed in claim 1 or 2 wherein said hinge means (14) comprise a generally straight wire.
Claim 4
Dependent Claim 29 words
An articulated stent (18) as claimed in claim 1 or 2 wherein said hinge means comprise a wire (22) coiled about a longitudinal axis extending between adjacent stent segments.
Claim 5
Dependent Claim 25 words
An articulated stent as in any preceding claim wherein the portion(s) of the common wire(s) (14) between adjoining stent segments (12) have a reduced diameter.

References Cited (Backward Citations)

EP0364787A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag