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2 202 309

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IPC

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Application

2000115119/14, 2000-06-09

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Start date

2000-06-09

(22)

Actual filing date

2000-06-09

(45)

Published

2003-04-20

(72)

Inventor

Vojtovich A.V.Pen'Kov V.L.Parfeev S.G.Parfeev D.G.Abolin A.B.Shubnjakov I.I.Goncharov M.Ju.Zuraev O.A.

(73)

Holder

Rossijskij Nauchno-Issledovatel'Skij Institut Travmatologii I Ortopedii Im. R.R. Vredena

ACETABULAR COMPONENT OF BIPOLAR HIP JOINT ENDOPROSTHESIS Russian patent published in 2003 - IPC

Abstract RU 2202309 C2

FIELD: medical engineering. SUBSTANCE: device has external metal sphere member with a turning element in its internal cavity, polymer insert member having a turning element, ring member for fixing the sphere and insert relative to each other, metal head directly fixed on the prosthesis pedicle. The head member is covered with two metal hemispheres holding it to protect from falling out. Free rotation without wobbling takes place. The hemispheres are fixed in polymer insert partially due to pin available on the hemispheres built-in into the polymer insert, partially due to hemisphere being wedged in the polymer insert when heated in human organism tissues. Cobalt-chromium alloy is used for manufacturing head and hemispheres. Turning elements of the insert and sphere match each other. EFFECT: high reliability of operation. 1 dwg

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RU 2 202 309 C2

Authors

Vojtovich A.V.

Pen'Kov V.L.

Parfeev S.G.

Parfeev D.G.

Abolin A.B.

Shubnjakov I.I.

Goncharov M.Ju.

Zuraev O.A.

Dates

2003-04-20—Published

2000-06-09—Filed

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