Metallic implant which is degradable in vivo
AssigneesAlfons Fischer, Jacqueline Hausdorf, Eva Heublein
InventorsBernd Heublein, Gerd Hausdorf
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Abstract
The invention relates to a medical implant made of a metallic material. After fulfilling its temporary support function, the implant is degraded by corrosion at a predetermined rate. Negative long-term effects are thus avoided.
Claims19
A vessel support or stent for widening and maintaining the lumen of narrowed vessels, said vessel support or stent being made from a metallic material degradable in vivo through corrosion, wherein the vessel support or stent has a substantially hollow tubular base body and is self expandable, and wherein the material is an alloy, the main constituent of which is magnesium.
A vessel support or stent for widening and maintaining the lumen of narrowed vessels, said vessel support or stent being made from a metallic material degradable in vivo through corrosion, wherein the vessel support or stent has a substantially hollow tubular base body, wherein the material contains 8.5-9.5% of aluminium, 0.15-0.4% of manganese, 0.45-0.9% of zinc and the remainder to 100% magnesium.
A vessel support or stent for widening and maintaining the lumen of narrowed vessels, said vessel support or stent being made from a metallic material degradable in vivo through corrosion, wherein the vessel support or stent has a substantially hollow tubular base body, and wherein the material is an alloy containing 4.5-5.3% of aluminium, 0.28-0.5% of manganese and the remainder to 100% magnesium.
A vessel support or stent for widening and maintaining the lumen of narrowed vessels, said vessel support or stent being made from a metallic material degradable in vivo through corrosion, wherein the vessel support or stent has a substantially hollow tubular base body, and wherein the material is an alloy containing 55-65% of magnesium, 30-40% of lithium and 0-5% of other metals and/or rare earths.
A vessel support or stent for widening and maintaining the lumen of narrowed vessels, said vessel support or stent being made from a metallic material degradable in vivo through corrosion, wherein the vessel support or stent is a balloon expandable stent having a substantially hollow tubular base body, and wherein the material is an alloy, the main constituent of which is magnesium.
Dependencies are inferred from the claim text.