NONCIRCULAR TRANSPEDICULAR SCREW Russian patent published in 2018 - IPC A61B17/70 A61B17/86 

Abstract RU 2641376 C2

FIELD: medicine.

SUBSTANCE: medical bone screw, namely, transpedicular type screw, contains a threaded rod that has a distal front plot with a small constant core diameter at a certain length and a proximal rear plot with a big constant core diameter at a certain length, with the screw head located on the proximal end. The cross-sectional shape of the core along the distal front plot with a small constant core diameter at a certain length is made noncircular, and the cross-sectional shape of the core along the distal front plot with a big constant core diameter at a certain length is made circular.

EFFECT: reliable and long-lasting introduction of greater forces into the patient's bone with higher secondary stability relative to the rotation forces.

10 cl, 8 dwg

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RU 2 641 376 C2

Authors

Lindner Shtefan

Bogakho Khuan-Khose

Dates

2018-01-17Published

2014-06-25Filed