WO2011049915A3 - Methods of depositing discrete hydroxyapatite regions on medical implants - Google Patents

Methods of depositing discrete hydroxyapatite regions on medical implants Download PDF

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Publication number
WO2011049915A3
WO2011049915A3 PCT/US2010/053138 US2010053138W WO2011049915A3 WO 2011049915 A3 WO2011049915 A3 WO 2011049915A3 US 2010053138 W US2010053138 W US 2010053138W WO 2011049915 A3 WO2011049915 A3 WO 2011049915A3
Authority
WO
WIPO (PCT)
Prior art keywords
metallic surface
regions
methods
medical implants
depositing discrete
Prior art date
Application number
PCT/US2010/053138
Other languages
French (fr)
Other versions
WO2011049915A2 (en
Inventor
Gautam Gupta
Andreas Sewing
Original Assignee
Biomet Manufacturing Corp.
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 Biomet Manufacturing Corp. filed Critical Biomet Manufacturing Corp.
Priority to EP10773461.8A priority Critical patent/EP2491167B1/en
Publication of WO2011049915A2 publication Critical patent/WO2011049915A2/en
Publication of WO2011049915A3 publication Critical patent/WO2011049915A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/18—Electroplating using modulated, pulsed or reversing current
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/615—Microstructure of the layers, e.g. mixed structure
    • C25D5/617—Crystalline layers

Abstract

A method for electrochemically depositing discrete regions of calcium phosphate onto a medical implant. The method includes providing an implant including at least one area having a metallic surface. At least a portion of the metallic surface is contacted with an electrolyte solution comprising calcium ions and phosphate ions. The metallic surface is used as a cathode, and an electrical potential is applied between the cathode and the electrolyte solution. The electrical potential is applied with a constant current density of from about 10 to about 50 mA/cm2 for a period of time of from about 1 to about 20 minutes. A plurality of discrete regions of needle-shaped hydroxyapatite crystals are electrochemically deposited onto the metallic surface.
PCT/US2010/053138 2009-10-19 2010-10-19 Methods of depositing discrete hydroxyapatite regions on medical implants WO2011049915A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10773461.8A EP2491167B1 (en) 2009-10-19 2010-10-19 Methods of depositing discrete hydroxyapatite regions on medical implants

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/581,483 US20110089041A1 (en) 2009-10-19 2009-10-19 Methods of depositing discrete hydroxyapatite regions on medical implants
US12/581,483 2009-10-19

Publications (2)

Publication Number Publication Date
WO2011049915A2 WO2011049915A2 (en) 2011-04-28
WO2011049915A3 true WO2011049915A3 (en) 2013-01-03

Family

ID=43795000

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/053138 WO2011049915A2 (en) 2009-10-19 2010-10-19 Methods of depositing discrete hydroxyapatite regions on medical implants

Country Status (3)

Country Link
US (1) US20110089041A1 (en)
EP (1) EP2491167B1 (en)
WO (1) WO2011049915A2 (en)

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CN103938246A (en) * 2014-04-25 2014-07-23 浙江大学 Electrochemical method for preparing strontium-doped hydroxyapatite ridge rodlike structure coating on titanium surface
CN103966578B (en) * 2014-05-09 2016-01-27 哈尔滨工程大学 The method of the super-hydrophobic rete of hydroxyapatite is constructed at Mg alloy surface
US10687956B2 (en) 2014-06-17 2020-06-23 Titan Spine, Inc. Corpectomy implants with roughened bioactive lateral surfaces
DE102015101626B4 (en) 2015-02-04 2019-06-27 Kulzer Gmbh Coating of dental prosthetic surfaces with a distinct layer of a synthetic hydroxyapatite
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CN106282975B (en) * 2016-07-27 2019-01-18 华南理工大学 In the super-hydrophobic film layer of hydroxyapatite and method of Mg alloy surface preparation and application
AU2017305136A1 (en) 2016-08-03 2019-02-07 Titan Spine, Inc. Titanium implant surfaces free from alpha case and with enhanced osteoinduction
CN109758605B (en) * 2019-02-25 2022-12-06 青岛科技大学 Magnesium alloy surface fine needle-shaped hydroxyapatite micro-nano structure coating and preparation method thereof

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US5310464A (en) * 1991-01-04 1994-05-10 Redepenning Jody G Electrocrystallization of strongly adherent brushite coatings on prosthetic alloys
WO1998009006A1 (en) * 1996-08-29 1998-03-05 Danfoss A/S Method for electrochemical phosphating of metal surfaces, particularly stainless steel, and application of an aqueous phosphating solution for such a method
WO1998013539A1 (en) * 1996-09-24 1998-04-02 Abonetics Limited Method for coating a calcium phosphate compound onto a metallic material
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WO2008146113A2 (en) * 2007-05-28 2008-12-04 Fin-Ceramica Faenza S.P.A. Process for coating a surface of a metal element to increase osteointegration thereof and prosthetic device including said element

Also Published As

Publication number Publication date
EP2491167A2 (en) 2012-08-29
US20110089041A1 (en) 2011-04-21
EP2491167B1 (en) 2019-07-10
WO2011049915A2 (en) 2011-04-28

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