WO2008063780A3 - Vascular grafts with multiple channels and methods for making - Google Patents

Vascular grafts with multiple channels and methods for making Download PDF

Info

Publication number
WO2008063780A3
WO2008063780A3 PCT/US2007/081261 US2007081261W WO2008063780A3 WO 2008063780 A3 WO2008063780 A3 WO 2008063780A3 US 2007081261 W US2007081261 W US 2007081261W WO 2008063780 A3 WO2008063780 A3 WO 2008063780A3
Authority
WO
WIPO (PCT)
Prior art keywords
channels
making
methods
multiple channels
vascular grafts
Prior art date
Application number
PCT/US2007/081261
Other languages
French (fr)
Other versions
WO2008063780A2 (en
Inventor
Chandrashekhar P Pathak
Original Assignee
Bard Inc C R
Chandrashekhar P Pathak
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
Application filed by Bard Inc C R, Chandrashekhar P Pathak filed Critical Bard Inc C R
Priority to US12/444,568 priority Critical patent/US9198749B2/en
Priority to EP07871160.3A priority patent/EP2079575B1/en
Publication of WO2008063780A2 publication Critical patent/WO2008063780A2/en
Publication of WO2008063780A3 publication Critical patent/WO2008063780A3/en
Priority to US14/954,909 priority patent/US9855131B2/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/04Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06Blood vessels
    • A61F2/07Stent-grafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/04Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06Blood vessels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/04Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06Blood vessels
    • A61F2/07Stent-grafts
    • A61F2002/072Encapsulated stents, e.g. wire or whole stent embedded in lining
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2240/00Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2240/001Designing or manufacturing processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0067Means for introducing or releasing pharmaceutical products into the body
    • A61F2250/0068Means for introducing or releasing pharmaceutical products into the body the pharmaceutical product being in a reservoir
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/23Articles comprising two or more components, e.g. co-extruded layers the components being layers with means for avoiding adhesion of the layers, e.g. for forming peelable layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/041Microporous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/753Medical equipment; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/753Medical equipment; Accessories therefor
    • B29L2031/7542Catheters

Abstract

A wall, for example the wall of a vascular graft, has multiple channels within it. The channels may be used to hold drugs or reinforcing fibers. The channels may have a predetermined roughness. The channels may be formed by coextrusion using a soluble material, for example, to define the channels and then dissolving them to open the channels in the extrudate.
PCT/US2007/081261 2006-10-12 2007-10-12 Vascular grafts with multiple channels and methods for making WO2008063780A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/444,568 US9198749B2 (en) 2006-10-12 2007-10-12 Vascular grafts with multiple channels and methods for making
EP07871160.3A EP2079575B1 (en) 2006-10-12 2007-10-12 Methods for making vascular grafts with multiple channels
US14/954,909 US9855131B2 (en) 2006-10-12 2015-11-30 Vascular grafts with multiple channels and methods for making

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82924706P 2006-10-12 2006-10-12
US60/829,247 2006-10-12

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/444,568 A-371-Of-International US9198749B2 (en) 2006-10-12 2007-10-12 Vascular grafts with multiple channels and methods for making
US14/954,909 Continuation US9855131B2 (en) 2006-10-12 2015-11-30 Vascular grafts with multiple channels and methods for making

Publications (2)

Publication Number Publication Date
WO2008063780A2 WO2008063780A2 (en) 2008-05-29
WO2008063780A3 true WO2008063780A3 (en) 2008-12-31

Family

ID=39430418

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/081261 WO2008063780A2 (en) 2006-10-12 2007-10-12 Vascular grafts with multiple channels and methods for making

Country Status (3)

Country Link
US (2) US9198749B2 (en)
EP (1) EP2079575B1 (en)
WO (1) WO2008063780A2 (en)

Cited By (3)

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US8636794B2 (en) 2005-11-09 2014-01-28 C. R. Bard, Inc. Grafts and stent grafts having a radiopaque marker
US8652284B2 (en) 2005-06-17 2014-02-18 C. R. Bard, Inc. Vascular graft with kink resistance after clamping
US9572654B2 (en) 2004-08-31 2017-02-21 C.R. Bard, Inc. Self-sealing PTFE graft with kink resistance

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US20090187254A1 (en) * 2007-12-19 2009-07-23 Boston Scientific Scimed, Inc. Urological medical devices for release of urologically beneficial agents
EP2234559A1 (en) * 2008-01-09 2010-10-06 Innovative Health Technologies, Llc Implant pellets and methods for performing bone augmentation and preservation
EP2272547B1 (en) * 2009-06-23 2017-01-11 Biotronik VI Patent AG Implant and method for manufacturing same
US9283305B2 (en) 2009-07-09 2016-03-15 Medtronic Vascular, Inc. Hollow tubular drug eluting medical devices
WO2011008896A2 (en) * 2009-07-14 2011-01-20 Board Of Regents, The University Of Texas System Therapeutic methods using controlled delivery devices having zero order kinetics
US8381774B2 (en) * 2009-09-20 2013-02-26 Medtronic Vascular, Inc. Methods for loading a drug eluting medical device
US8678046B2 (en) 2009-09-20 2014-03-25 Medtronic Vascular, Inc. Apparatus and methods for loading a drug eluting medical device
US20110070358A1 (en) * 2009-09-20 2011-03-24 Medtronic Vascular, Inc. Method of forming hollow tubular drug eluting medical devices
US8828474B2 (en) 2009-09-20 2014-09-09 Medtronic Vascular, Inc. Apparatus and methods for loading a drug eluting medical device
US8632846B2 (en) 2010-09-17 2014-01-21 Medtronic Vascular, Inc. Apparatus and methods for loading a drug eluting medical device
US8616040B2 (en) 2010-09-17 2013-12-31 Medtronic Vascular, Inc. Method of forming a drug-eluting medical device
US8333801B2 (en) 2010-09-17 2012-12-18 Medtronic Vascular, Inc. Method of Forming a Drug-Eluting Medical Device
KR101256908B1 (en) 2011-04-28 2013-04-23 (주)에이치비메디컬스 Filler for Eliminating Wrinkles
US9486340B2 (en) 2013-03-14 2016-11-08 Medtronic Vascular, Inc. Method for manufacturing a stent and stent manufactured thereby
MX2018001888A (en) * 2015-08-14 2018-06-20 Massachusetts Gen Hospital Systems for and methods for using biomimetic structures providing communication in living tissue.
CN109922759A (en) 2016-11-10 2019-06-21 美敦力瓦斯科尔勒公司 Drug filling bracket and its manufacturing method with the filament for increased surface of internal cavity product
CN109922760B (en) 2016-11-10 2022-03-04 美敦力瓦斯科尔勒公司 Drug-filled stent for preventing vascular micro-injury and manufacturing method thereof
US10617540B2 (en) 2016-11-10 2020-04-14 Medtronic Vascular, Inc. Stents formed from dissimilar metals for tissue growth control
JP2021525581A (en) * 2018-05-31 2021-09-27 エンドロジックス リミテッド ライアビリティ カンパニー Stent graft system with constraints in the channel and methods thereof
JP2021534906A (en) * 2018-08-31 2021-12-16 ウィスコンシン アラムニ リサーチ ファンデーション Generation of vascular grafts seeded with arterial endothelial cells
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