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Unfallchirurg. 2005 Mar;108(3):189-99.

[Clinical results with A new retrograde femoral nail with a radiographical-free proximal locking device. A prospective study with 50 fractures].

[Article in German]

Author information

1
Chirurgische Klinik, Bundeswehrkrankenhaus Ulm. dr.benediktfriemert@dr-friemert.de

Abstract

INTRODUCTION:

Conventional retrograde nailing of the femur causes two important disadvantages: the proximal locking of the nail is difficult because of the anatomic conditions and a chondral defect was left into the knee.

MATERIAL AND METHODS:

After the retrograde implantation the new nail was lead through the greater trochanter. An additional proximal aiming device for proximal interlocking can be fixed. The entrance portal will be sealed by an osteochondral cylinder. 50 cases of femur fractures were selected for the prospective study. We recorded all intraoperative complications and technical difficulties. The cases were followed up for 52 weeks, both clinical and radiology examinations were performed.

RESULTS:

The mean follow up was 15.5+/-5 months. All fractures were healed. Knee movement was 125+/-14 degrees. The Leung Score was 84+/-12.6 points; HSS Score was 90+/-9 points. In two cases wound infections were developed. Mal-union was observed in three cases, in two cases nail brake down.

CONCLUSIONS:

The new retrograde interlocking nail could be used to manage femur fractures successfully. Two aiming devices enable a easy interlocking. Replacement of the osteochondral cylinder into the entry portal reduces cartilage damage.

PMID:
15778831
DOI:
10.1007/s00113-004-0863-2
[Indexed for MEDLINE]

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