Sentence examples for inadequate screw from inspiring English sources

In elderly patients, however, inadequate screw purchase in osteoporotic bone can result in severe procedure-related complications.

It was believed to be not a fixation failure secondary to an inadequate screw or due to appropriate placement.

During initial stabilization, poor bone quality, such as that observed in osteoporosis, disuse osteopenia or hidden fissure lines, screw overtightening and excessive mechanical demand may cause inadequate screw anchorage, leading to less stable bone fixation and subsequent osteosynthesis failure.

Moreover, varus collapse of the proximal fragment and penetration of the screw into the hip joint or loosening within the femoral head may occur due to inadequate screw anchoring in the femoral head [ 5, 6, 40, 41].

Chen et al. indicated that Denis type III sacral fractures may be a surgical contraindication for SIJS fixation owing to the inadequate length of the screw and the high risks of screw placements [ 12].

Four patients had an early postoperative bone block fracture due to inadequate centering of the screw in the bone block (Table  3).> The mean inclination angle between the screw and the glenoid surface was 20.4° ± 8.9° (range, 5° 32°); there was no violation of the articular surface by the screw in any patient (eg, no lateral screw).

This report describes the fabrication of a cemented bar design for use in situations when the components of the implant system are inadequate for fabrication of a screw-retained bar.

When dealing with fixation of fractures in osteoporotic bone where screw stability might be inadequate, it therefore seems an attractive option to include bone substitutes for augmentation around screws as part of the armamentarium.

Initial rigid fixation of the glenoid baseplate is dependent on placement of the screws and glenoid bone stock [ 10]; insecure initial fixation due to inadequate bony support to the baseplate and screw fixation is likely to result in glenoid loosening and decreased longevity of the RSA.

However, in one case (case 1), reduction of the subtrochanteric fracture was lost due to proximal screw back-out resulting from inadequate fixation of the proximal fragment, which in turn led to a 10° varus deformity of the proximal femur.

c After 4 months, dynamization of the nail by removal of proximal screws was performed due to inadequate callus formation.