BIODEGRADABLE SUPPORTING DEVICE
First Claim
Patent Images
1. A biodegradable in vivo supporting device, comprising:
- a biodegradable metal alloy scaffold comprising a plurality of metal struts; and
a biodegradable polymer coating at least partially covering the metal struts.
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Accused Products
Abstract
A biodegradable in vivo supporting device is disclosed. In one embodiment, a coated stent device includes a biodegradable metal alloy scaffold made from a magnesium alloy, iron alloy, zinc alloy, or combination thereof, and the metal scaffold comprises a plurality of metal struts. The metal struts are at least partially covered with a biodegradable polymer coating. A method for making and a method for using a biodegradable in vivo supporting device are also disclosed.
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Citations
24 Claims
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1. A biodegradable in vivo supporting device, comprising:
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a biodegradable metal alloy scaffold comprising a plurality of metal struts; and a biodegradable polymer coating at least partially covering the metal struts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A biodegradable in vivo supporting device, comprising:
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a biodegradable metal alloy scaffold made from a magnesium alloy, an iron alloy, a zinc alloy, or combination thereof, the metal scaffold comprising a plurality of metal struts; a biodegradable polymer coating at least partially covering the metal struts, wherein the metal struts have an average cross-sectional thickness between 100-200 μ
m, the polymer coating has a thickness between 10-100 μ
m.
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19. A biodegradable in vivo supporting device, comprising:
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a biodegradable metal alloy scaffold made from a magnesium alloy having a magnesium content of 97.45 wt. %, a manganese content of 1.8 wt. %, and a neodymium or cerium content of 0.75 wt. %, the metal scaffold comprising a plurality of metal struts; a biodegradable polymer coating at least partially covering the metal struts, wherein the metal struts have an average cross-sectional thickness between 100-200 μ
m, the polymer coating has a thickness between 10-100 μ
m.
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20. A method for treating a condition in a subject with a biodegradable in vivo supporting device, comprising:
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establishing an entry portal into a body lumen in a subject in need of such treatment; and delivering said supporting device to a target location through said body lumen; and deploying said supporting device at the target location, wherein said biodegradable in vivo supporting device comprises a biodegradable metal alloy scaffold comprising a plurality of metal struts and a biodegradable polymer coating at least partially covering the metal struts. - View Dependent Claims (21, 22, 23)
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24. A kit for placement of a biodegradable in vivo supporting device, comprising:
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a biodegradable in vivo supporting device comprising a biodegradable metal alloy scaffold comprising a plurality of metal struts and a biodegradable polymer coating at least partially covering the metal struts, and a guide wire.
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Specification