| 摘要 |
A guiding device for orthosis, comprising an anti-friction screw and nut assembly, in which the nut comprises two interconnected nut portions, which are rotatable but not axially displaceable relatively to each other, each nut portion having an axial bore for receiving said screw and at least two anti-friction bearings, each arranged to contact a thread groove of the anti-friction screw, said screw and one of said nut portions having means for attaching the same to an orthosis or to a support. |
