STENTS WITH RADIOPAQUE MARKERS

A radially expandable stent (10) comprising: a biodegradable polymeric pattern of cylindrical rings and linking struts, the cylindrical rings being connected by the linking struts, markers disposed in depots of the stent, wherein the markers comprise a sufficient radiopacity to be imaged by an imagi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ABBATE, Anthony J, DUGAN, Stephen R
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DIAGNOSIS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURGERY TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A radially expandable stent (10) comprising: a biodegradable polymeric pattern of cylindrical rings and linking struts, the cylindrical rings being connected by the linking struts, markers disposed in depots of the stent, wherein the markers comprise a sufficient radiopacity to be imaged by an imaging technique, wherein the markers are coupled to the stent at least partially by an interference fit between the markers and a portion of an internal surface of the depots, at least some gaps between the markers and the internal surface of the depots include a biocompatible polymeric material that acts as an adhesive for the markers, and wherein the stent includes two or more markers distributed in a manner that facilitates visualization of the stent during and after implantation, and each depot comprises only one marker.