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Application

96109082/14, 1996-04-30

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Actual filing date

1996-04-30

(45)

Published

1999-11-20

(72)

Inventor

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

(73)

Holder

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

ACETABULAR COMPONENT OF HIP JOINT Russian patent published in 1999 - IPC

Abstract RU 2141284 C1

FIELD: endoprosthetics of hip joint in its injuries and diseases. SUBSTANCE: acetabular component of hip joint consists of metal cup with thread on external contour and polymer insert. Polymer insert fully fills internal configuration of metal cup and allows installation of insert into cup with clearance at temperature below temperature of human body that results in wedging of polymer insert in metal cup due to difference of linear expansion coefficients between polymer and metal at temperature of human body. EFFECT: prevented displacement of polymer insert from metal cup of acetabular component of hip joint and reduced load exerted on it. 2 dwg

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RU 2 141 284 C1

Authors

Vojtovich A.V.

Pen'Kov V.L.

Parfeev S.G.

Parfeev D.G.

Abolin A.B.

Shubnjakov I.I.

Goncharov M.Ju.

Dates

1999-11-20—Published

1996-04-30—Filed

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