HIP JOINT ENDOPROSTHESIS Russian patent published in 2004 - IPC

FIELD: medical engineering.

SUBSTANCE: device has head, neck, trochanteric part and stem. Cylindrical cavity stretching over the trochanteric part and being open in the direction of the head is arranged along the cervical axis. Elastic flexible washer is placed on the cavity bottom having axially movable cylinder mounted thereon. The head has axially movable and rotatable cylindrical tail in the cylindrical cavity of the neck. Spherical body admitting rotation in any plane and longitudinal movements is mounted between stem end and the cylinder in the cylindrical neck cavity. Gap is available between upper neck end and the device head.

EFFECT: enhanced effectiveness of treatment; reduced risk of loosening.

1 dwg