Coating processes – Solid particles or fibers applied – Uniting particles to form continuous coating with...
Reexamination Certificate
2007-01-16
2007-01-16
Miggins, Michael (Department: 1772)
Coating processes
Solid particles or fibers applied
Uniting particles to form continuous coating with...
C427S191000, C427S202000, C427S205000, C427S427000
Reexamination Certificate
active
10331838
ABSTRACT:
Thermal spray processing and cold spray processing are utilized to manufacture porous starting materials (such as tube stock, wire and substrate sheets) from biocompatible metals, metal alloys, ceramics and polymers that may be further processed into porous medical devices, such as stents. The spray processes are also used to form porous coatings on consolidated biocompatible medical devices. The porous substrates and coatings may be used as a reservoir to hold a drug or therapeutic agent for elution in the body. The spray-formed porous substrates and coatings may be functionally graded to allow direct control of drug elution without an additional polymer topcoat. The spray processes are also used to apply the drug or agent to the porous substrate or coating when drug or agent is robust enough to withstand the temperatures and velocities of the spray process with minimal degradation.
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Advanced Cardiovascular Systems Inc.
Miggins Michael
Squire Sanders & Dempsey L.L.P.
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