A simple reduction technique in intramedullary nailing (MICRONAIL) of distal radius fracture - intrafocal elastic-spring pinning method.

Kosuke Tajima, Takeshi Koba, Eiryu Takao

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Abstract

On treating distal radius fracture with intramedullary nailing (MICRONAIL, Wright Medical), completed anatomical reduction is indispensable before inserting the nail. However, complete reduction in percutaneous pinning or in Kapandji intrafocal pinning is troublesome. Thus, majority of the operation time is usually spent on reducing the fracture appropriately. We have commenced the "intrafocal elastic-spring pinning" as a reduction technique and have simplified the reduction prior to nailing. First, curve the 1.5 mm Kirschner wire properly. Next, pins are introduced percutaneously and intrafocally into the marrow cavity. The nail is then inserted in a standard manner. With this technique, an average of 16 consecutive intraoperative surgical times was 32.1 minutes (range, 16-55); apparently shorter than other previous reports. The bending-induced tension in the pins counteracts the postero-lateral displacing forces, and is especially efficient in comminuted or osteoporotic fractures. The nail will just brush aside the elastic pins when the pins interfere with the nail insertion.

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ASJC Scopus subject areas

  • Medicine(all)

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