FLEXIBLE STENT

A flexible stent structure (300) includes a plurality of axially spaced strut portions (302, 304, 305) defining generally tubular axial segments of the stent and constructed to be radially expandable. A helical portion (303, 309) is interposed axially between two strut portions and has a plurality o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BEACH, Bradley, BURPEE, Janet
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A flexible stent structure (300) includes a plurality of axially spaced strut portions (302, 304, 305) defining generally tubular axial segments of the stent and constructed to be radially expandable. A helical portion (303, 309) is interposed axially between two strut portions and has a plurality of helical elements connected between circumferentially spaced locations on the two strut portions. The helical elements extend helically between those locations and the length of a helical element is sufficient so that, when the stent is in a radially expanded state, it can simultaneously withstand repeated axial compression or expansion and bending.