Pdf the nailshaftaxis of the of proximal femoral nail antirotation. However, surgical treatment using a cephalomedullary nail is still an alternative option that provides better. Proximal femoral nail antirotation 2 ao principles 5 indications and contraindications 6 clinical cases 7 preoperative planning 8 patient positioning 9 preparation 10 open femur 14. Proximal femoral nail antirotation pfna versus pfna. Synthes usa, paoli, pa for the treatment of proximal femoral fractures to find another appropriate minimally invasive surgery for these fractures in which intramedullary nailing may be difficult. Pfna is a suitable option for the treatment of complex fractures because it involves. Proximal femoral nail antirotation technique guide synthes 9. Pfna ii nail several distal locking options static or dynamic locking can be performed via the aiming arm with pfna ii standard, small and xs. Pfna blades have been biomechanically proven to compact cancellous bone and achieve increased stability and. Pdf the pfna augmented in revision surgery of proximal. Pfas sampling information for water systems performing. We evaluated radiographic and functional outcomes of patients with unstable pertrochanteric fractures treated with the proximal femur nail antirotation pfna.
The pfna ii long additionally allows for secondary dynamization. Pertrochanteric femur fractures are considered amongst the most commonly encountered fractures in the geriatric age group. Shortterm followup results from previous studies 1 3 have shown that the intertan nail it smithnephew, memphis, tn is superior to the proximal femoral nail antirotationasia pfna ii synthes, solothurn, switzerland for treatment of intertrochanteric femoral fractures iffs in patients with osteoporosis. The pfna proximal femur nail in treatment of unstable proximal femur fractures3 cases of postoperative perforation of the helical blade into the hip joint. In total, 15 radiographic complications in 11 patients were observed in the pfna group figure 4, including a femur shaft fracture after implant removal, lateral cortex fracture, malunion, nonunion, heterotopic ossification, and osteolysis with wellfixed implants. For unimpeded access to the medullary cavity, abduct the upper body by about 10 15 to the unaffected side or adduct the affected leg by 10 15. However, the pfna nail provides a shorter operation time, less blood loss, and better realignment ability and reduces the incidence of reoperation.
In its conjugate base form as a salt it is stable and commonly ion paired with ammonium. Combined ipsilateral femoral neck and shaft fractures are an uncommon type of fractures. Pfna ii surgical technique depuy synthes 1 table of contents introduction surgical technique product information bibliography 83 mri information 84 pfna ii. The technique guide for the synthes pfna suggests inserting the guide wire to 510. Pdf treatment of the proximal femoral fractures with. The aoasif proximal femoral nail antirotation pfna. Treatment of subtrochanteric femoral fracture with long proximal femoral nail antirotation. In the synthes pfna technique guide, it underlines removing and replacing the blade if it cannot be locked intraoperatively. Pfna nail surgical technique animation created by kems studio.
Proximal femoral nail antirotation technique guide synthes 1. Listing a study does not mean it has been evaluated by the u. Free highquality documentaries recommended for you. Treatment of the proximal femoral fractures with proximal femoral nail antirotation pfna. Pfna is used as surfactant for the production of the fluoropolymer polyvinylidene fluoride. Pfna depuy synthes pdf catalogs technical documentation. The tfna system is designed to solve a wide range of unmet needs for surgeons, or staff, and administrators. To achieve rotational and angular stability, in 2004, the proximal femoral nail antirotation pfna device, one of the thirdgeneration intramedullary implants pfna.
The nail design has been well proven in over 450 000 cases performed with the pfn and pfna. In the commercial product surflon s111 cas 72968388 it is the primary compound present by weight. Use a cooler that had recently been cleaned with pfas free soap such as alconox and pfas free water. Biomechanical effect of bone cement augmentation on rotational stability and pullout strength of the proximal femur nail. Pdf the pfna proximal femur nail in treatment of unstable. Reason and treatment of failure of proximal femoral nail. The optimal tipapex distance is 25 mm or less for a dynamic hip screw. More than five years in the making, this system offers advancement in hip. Problemfree elective hardware removal of the pfna augmented was performed in two cases. Basis and background new jersey drinking water quality institute july 1, 2015.
Step by step instructions to achieve a perfect proximal. Synthes nonsterile implants, please consult the important information leaflet. Proximal femoral nail antirotation in treatment of fractures of proximal femur. Pdf pertrochanteric femur fractures are considered amongst the most commonly encountered fractures in the geriatric age group. Pfna nail optimal fit the anatomical design guarantees an optimal. Intertan nail versus proximal femoral nail antirotation. The blade and nail were eventually removed and replaced with an alternative product.
Tfnadvanced proximal femoral nailing system tfna the tfna system is designed to advance the treatment of trochanteric fractures by providing surgical options that help to preserve bone in insertion area due to reduced critical width, improve anatomical fit 1 and increase implant strength. In five cases revision surgery was performed because of a loosening of the femoral neck implant, in two cases because of a pseudarthrosis, in two cases because of an implant failure and in one case because of a new fracture with the implant being in situ summarized. To evaluate the outcome and efficacy of liss less invasive stabilization system. Prior to steamsterilization, place the product in an approved wrap or contain. Pfna kurz pfna lang statisch dynamisch statisch dynamisch 2 synthes pfna. It has a role as a persistent organic pollutant, a xenobiotic and a surfactant. Should the tipapex distance tad rule be modified for. Proximal femoral nail antirotation in treatment of. The biomechanical effect of two implants, namely, proximal femoral nail antirotation for asia pfna ii and expert asian femoral nail a2fn, for treating subtrochanteric fracture during healing stages, is still unclear. Proximal femoral nail antirotation in treatment of intertrochanteric. Instructions for use intramedullary nailing implants. Helical blade compression failure occurred during pfna implantation. Because the implantation technique does not differ except for the perforated blade from the established nonaugmented pfna, it is implemented easily.
Choosing a laboratory the analytical laboratory selected for perfluorononanoic acid pfna analysis must be certified by the. A 3d finite element model of an intact femur was constructed and validated. Abduct the unaffected leg as far as possible and place it on a leg support, so that it does allow free. Perfluorononanoic acid is a fluoroalkanoic acid that is nonanoic acid in which all of the hydrogens in the alkyl chain are replaced by fluorines. Modern implants for proximal femur fracture treatment have clearly. Proximal femoral nail pfna nail the anatomical design guarantees an optimal fit in the femur. In 2004, the aoasif group developed the proximal femoral nail antirotation pfna to improve the rotational and angular stability with one single element.
The pfna augmented is a safe implant, which can be used in revision surgery in proximal femur fractures as a salvage procedure to avoid prosthetic replacement. Therefore, the pfna nail can be considered a better device than the recon nail. The proximal femoral nail antirotation, known as the pfna, is an intramedullary implant for the treatment of unstable trochanteric femoral. Jcm free fulltext functional and radiological results. Pdf proximal femoral nail antirotation in treatment of. Synthes long proximal femoral nails pfn, pfnapfnaii and tfn. Twodevice procedures were suggested because of the higher rate of malunion by singledevice treatment.
The pfna augmented proximal femoral nail antirotation, synthes inc. The pfna augmented in revision surgery of proximal femur. A number of different implant options are available for the management of this injury. In the pfna group, the radiographic complication rate was. Ipsilateral femoral neck and shaft fractures fixation with. Alle operationstechniken sind als pdfdateien abrufbar unter.
Perfluorononanoic acid, also known as pfna, is classified as a perfluorooctanoic acid. Please feel free to contact me if you have any questions or need additional information related to. Treatment of subtrochanteric femoral fracture with long. Proximal femoral nail antirotation surgical technique depuy synthes. A consecutive prospective randomized clinical study.
Depuy synthes companies personnel will often travel with the mission volunteers to support their work as well. Comparison of proximal femoral nail antirotation pfna. Depuy synthes ecatalog valid globally, except for usa and canada. Pfna pfas sampling information for water systems performing sample collection 1. Furthermore, the results ofthe primary treatment of osteoporotic proximal femur fractures are promising. Due to the worlds aging population, intertrochanteric fractures. Since 2006, our depuy synthes companies international organization has supported open arms malawi, providing housing, food and funds to the children of malawi impacted and orphaned by hivaids. Proximal femoral nail removal set for pfn, tfn and pfna. The synthes titanium trochanteric fixation nail tfn system. Less invasive stabilization system liss versus proximal. Pdf functional and radiological results of proximal.
The pfna blade claims to compact the cancellous bone to provide increased stability and this has been biomechanically proven to retard rotation and varus collapse. Proximal femoral nail antirotation pfna versus pfna augmentation the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. The technique guide for the synthes pfna suggests inserting the guide wire to 510 mm from subchondral bone on the ap and lateral views, which would yield a tad of 1020 mm. A biomechanical comparison of two intramedullary implants. Proximal femoral nail antirotation surgical technique pfna. Because the implantation technique does not differ except for the perforated blade from the established nonaugmented pfna, it. Proximal femoral nail antirotation versus dynamic hip. Cuttingout of the blade of the pfna is a rare complication buettler m, wyler e, attal r 2009 retrospective followup of patients with cutout after intramedullary nailing of proximal. Step by step instructions to achieve a perfect proximal femur pfna ii. Between march 20 and december 2015, fifty patients 28 male and 22 females with a mean age of 72. In acidic form it is a highly reactive strong acid.
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