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US 8,137,397 B2Granted
Medical devices
AssigneeBoston Scientific Scimed, Inc.
InventorsFredericus A. Colen, David Knapp
Life of this patent
Estimating the term…
Abstract
Medical devices, particularly stents, suitable for drug delivery and including a sugar, sugar derivative, inorganic ionic salt, polysaccharide, amino acid, amino acid derivative, polypeptide, surfactant, or combination thereof, are disclosed.
Claims16
A medical stent, comprising:
- a generally tubular body;
- a reservoir containing a first therapeutic agent;
- and
- a body-fluid dissolvable protective layer disposed over the generally tubular body, the layer consisting essentially of an inorganic ionic salt selected from the group consisting of sodium chloride, potassium chloride, and sodium carbonate,
- wherein
- the layer covers the reservoir, and
- the reservoir is formed of a bioerodible material.
4 more elements
An implantable medical device, comprising:
- an implantable body;
- a reservoir containing a therapeutic agent;
- and
- a body-fluid dissolvable protective layer disposed over the implantable body, the layer consisting essentially of an inorganic ionic salt selected from the group consisting of sodium chloride, potassium chloride, and sodium carbonate,
- wherein
- the layer covers the reservoir, and
- the reservoir is formed of a bioerodible material.
4 more elements
Dependencies are inferred from the claim text.