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2 372 101

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IPC

A61L27/32(2006-01-01)

C30B23/02(2006-01-01)

C30B29/10(2006-01-01)

B82B3/00(2006-01-01)

(21) (22)

Application

2008115681/15, 2008-04-21

(24)

Start date

2008-04-21

(22)

Actual filing date

2008-04-21

(45)

Published

2009-11-10

(72)

Inventor

Ievlev Valentin MikhajlovichBelonogov Evgenij KonstantinovichKostjuchenko Aleksandr Viktorovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet"

METHOD FOR MAKING SUPPORTED CALCIUM-PHOSPHATE COATING Russian patent published in 2009 - IPC A61L27/32 C30B23/02 C30B29/10 B82B3/00

Abstract RU 2372101 C1

FIELD: medicine.

SUBSTANCE: invention refers to the method for making bioactive calcium-phosphate coatings and can be used in manufacturing of orthopaedic and tooth prostheses. The method for making supported calcium-phosphate coating involves radio-frequency magnetron sputtering of hydroxyapatite target Ca₁₀(PO₄)₆(OH)₂during 15-150 min with using argon as a working gas at pressure in a working chamber 0.1 Pa. The coating is settled over a support over a ring of magnetron cathode region, where field lines of magnetron magnetic field localise high-frequency plasma with maximal effect of charged particle on the support at specific power of high-frequency discharge 50 W cm^-2 that provides formation of coating composition close to that of stoichiometric hydroxyapatite Ca₁₀(PO₄)₆(OH)₂.

EFFECT: application of the method ensures activation of coating crystallisation during growth with final phase formation that corresponds to composition of the target.

6 dwg, 3 ex

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RU 2 372 101 C1

Authors

Ievlev Valentin Mikhajlovich

Belonogov Evgenij Konstantinovich

Kostjuchenko Aleksandr Viktorovich

Dates

2009-11-10—Published

2008-04-21—Filed