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Endoprosthesis with porous reservoir and non-polymer diffusion layer

Info

Publication number
WO2009059129A3
WO2009059129A3 PCT/US2008/081986 US2008081986W WO2009059129A3 WO 2009059129 A3 WO2009059129 A3 WO 2009059129A3 US 2008081986 W US2008081986 W US 2008081986W WO 2009059129 A3 WO2009059129 A3 WO 2009059129A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
porous
reservoir
layer
ceramic
endoprosthesis
Prior art date
Application number
PCT/US2008/081986
Other languages
French (fr)
Other versions
WO2009059129A2 (en )
Inventor
Torsten Scheuermann
Jan Weber
John A. Clarke
Original Assignee
Boston Scientific Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/08Materials for coatings
    • A61L31/082Inorganic materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/146Porous materials, e.g. foams or sponges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/16Biologically active materials, e.g. therapeutic substances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/60Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
    • A61L2300/606Coatings
    • A61L2300/608Coatings having two or more layers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L2420/00Materials or methods for coatings medical devices
    • A61L2420/08Coatings comprising two or more layers

Abstract

An endoprosthesis such as a coronary stent includes a porous reservoir of drug, e.g., a porous layer formed of a ceramic and an overlayer formed of ceramic or metal for controlling elution of drug from the reservoir.
PCT/US2008/081986 2007-11-02 2008-10-31 Endoprosthesis with porous reservoir and non-polymer diffusion layer WO2009059129A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11934353 US20090118821A1 (en) 2007-11-02 2007-11-02 Endoprosthesis with porous reservoir and non-polymer diffusion layer
US11/934,353 2007-11-02

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010532278A JP2011502579A (en) 2007-11-02 2008-10-31 Endoprosthesis having a porous reservoir and non-polymeric diffusion layer
EP20080843389 EP2214741A2 (en) 2007-11-02 2008-10-31 Endoprosthesis with porous reservoir and non-polymer diffusion layer

Publications (2)

Publication Number Publication Date
WO2009059129A2 true WO2009059129A2 (en) 2009-05-07
WO2009059129A3 true true WO2009059129A3 (en) 2010-06-03

Family

ID=40193957

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/081986 WO2009059129A3 (en) 2007-11-02 2008-10-31 Endoprosthesis with porous reservoir and non-polymer diffusion layer

Country Status (4)

Country Link
US (1) US20090118821A1 (en)
JP (1) JP2011502579A (en)
EP (1) EP2214741A2 (en)
WO (1) WO2009059129A3 (en)

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US9284409B2 (en) 2007-07-19 2016-03-15 Boston Scientific Scimed, Inc. Endoprosthesis having a non-fouling surface

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