HJERTKLAFFSPROTES SAMT SETT FOR FRAMSTELLNING AV DENNA

A flexible non-stented heart valve prosthesis made from a flat piece of a stabilized biological membrane. The membrane is folded along one or more folding lines and attached to a flat flexible non-biological base material so that one or more leaflets are formed. Preferably the membrane is pericardiu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	I H RYGG
Format:	Patent
Sprache:	swe
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 non-stented heart valve prosthesis made from a flat piece of a stabilized biological membrane. The membrane is folded along one or more folding lines and attached to a flat flexible non-biological base material so that one or more leaflets are formed. Preferably the membrane is pericardium and is attached by machine stitching to a woven polymeric base material. Different valve types including ventricular outflow patches and three-leaflet valves such as aortic valves and methods for their production are described. The aortic valve is preferably made from three separate leaflets provided with narrow base materials serving as attachment margins which are stitched together in a manner to form a three-leaflet valve.