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2 163 791

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C1

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IPC

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Application

99124513/14, 1999-11-19

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Start date

1999-11-19

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Actual filing date

1999-11-19

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Published

2001-03-10

(72)

Inventor

Vojtovich A.V.Pen'Kov V.L.Goncharov M.Ju.Shubnjakov I.I.Abolin A.B.Zhemaev M.V.Dzakhov A.S.Moskalev Eh.V.

(73)

Holder

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

BIPOLAR SINGLE-POLE HIP JOINT ENDOPROSTHESIS HEAD Russian patent published in 2001 - IPC

Abstract RU 2163791 C1

FIELD: medical engineering. SUBSTANCE: device has external metal sphere having turning in its inner cavity, polymer inlay having turning on its external diameter matching the turning in the inner cavity of the sphere, small-sized head directly fixable on endoprosthesis limb and in the polymer inlay. Fixing member is titanium nickelide ring with sharp ends between the outer metal sphere and the polymer inlay. The ring is put on over polymer inlay in cooled compressed state with sharp ends straightened. When heated inside the organism tissues, the ring buckles assuming ellipse shape entering the turning on the internal surface of the outer metal sphere and on the external diameter of the polymer inlay. Sharp ends are curved making arcs penetrating the polymer inlay body. EFFECT: enhanced reliability of prosthesis functioning. 3 dwg

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RU 2 163 791 C1

Authors

Vojtovich A.V.

Pen'Kov V.L.

Goncharov M.Ju.

Shubnjakov I.I.

Abolin A.B.

Zhemaev M.V.

Dzakhov A.S.

Moskalev Eh.V.

Dates

2001-03-10—Published

1999-11-19—Filed

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