Pfna pfas sampling information for water systems performing sample collection 1. Pfna nail surgical technique animation created by kems studio. Synthes long proximal femoral nails pfn, pfnapfnaii and tfn. The pfna augmented proximal femoral nail antirotation, synthes inc. 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. Step by step instructions to achieve a perfect proximal. In the pfna group, the radiographic complication rate was. In its conjugate base form as a salt it is stable and commonly ion paired with ammonium. However, the pfna nail provides a shorter operation time, less blood loss, and better realignment ability and reduces the incidence of reoperation. The pfna augmented in revision surgery of proximal femur.
Depuy synthes ecatalog valid globally, except for usa and canada. Pfna depuy synthes pdf catalogs technical documentation. The synthes titanium trochanteric fixation nail tfn system. Perfluorononanoic acid, also known as pfna, is classified as a perfluorooctanoic acid.
Treatment of subtrochanteric femoral fracture with long. Pfna blades have been biomechanically proven to compact cancellous bone and achieve increased stability and. Proximal femoral nail pfna nail the anatomical design guarantees an optimal fit in the femur. Proximal femoral nail antirotation in treatment of intertrochanteric. In acidic form it is a highly reactive strong acid. 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. Proximal femoral nail antirotation pfna versus pfna. Proximal femoral nail antirotation technique guide synthes 1. Proximal femoral nail antirotation technique guide synthes 9.
The surgery was prolonged due to the jamming of the implants. The aoasif proximal femoral nail antirotation pfna. 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. A biomechanical comparison of two intramedullary implants. Therefore, the pfna nail can be considered a better device than the recon nail. Pdf the pfna augmented in revision surgery of proximal. The pfna proximal femur nail in treatment of unstable proximal femur fractures3 cases of postoperative perforation of the helical blade into the hip joint. Abduct the unaffected leg as far as possible and place it on a leg support, so that it does allow free. Treatment of subtrochanteric femoral fracture with long proximal femoral nail antirotation. A 3d finite element model of an intact femur was constructed and validated.
Biomechanical effect of bone cement augmentation on rotational stability and pullout strength of the proximal femur nail. Pfna is a suitable option for the treatment of complex fractures because it involves. Alle operationstechniken sind als pdfdateien abrufbar unter. Pfna is a recommended option for the treatment of unstable. Proximal femoral nail antirotation in treatment of. Choosing a laboratory the analytical laboratory selected for perfluorononanoic acid pfna analysis must be certified by the. The technique guide for the synthes pfna suggests inserting the guide wire to 510. The nail design has been well proven in over 450 000 cases performed with the pfn and pfna.
Prior to steamsterilization, place the product in an approved wrap or contain. Because the implantation technique does not differ except for the perforated blade from the established nonaugmented pfna, it. Problemfree elective hardware removal of the pfna augmented was performed in two cases. 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. To achieve rotational and angular stability, in 2004, the proximal femoral nail antirotation pfna device, one of the thirdgeneration intramedullary implants pfna. 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. 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 proximal femoral nail antirotation, known as the pfna, is an intramedullary implant for the treatment of unstable trochanteric femoral. The optimal tipapex distance is 25 mm or less for a dynamic hip screw. Synthes nonsterile implants, please consult the important information leaflet. Should the tipapex distance tad rule be modified for. 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. Less invasive stabilization system liss versus proximal.
Step by step instructions to achieve a perfect proximal femur pfna ii. 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. Intertan nail versus proximal femoral nail antirotation. Pdf treatment of the proximal femoral fractures with. 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.
Pfna ii surgical technique depuy synthes 1 table of contents introduction surgical technique product information bibliography 83 mri information 84 pfna ii. Because the implantation technique does not differ except for the perforated blade from the established nonaugmented pfna, it is implemented easily. Reason and treatment of failure of proximal femoral nail. Pfna is used as surfactant for the production of the fluoropolymer polyvinylidene fluoride.
Treatment of the proximal femoral fractures with proximal femoral nail antirotation pfna. Proximal femoral nail removal set for pfn, tfn and pfna. The fractured and postoperative models were accordingly produced. Pdf the pfna proximal femur nail in treatment of unstable. We evaluated radiographic and functional outcomes of patients with unstable pertrochanteric fractures treated with the proximal femur nail antirotation pfna. Depuy synthes companies personnel will often travel with the mission volunteers to support their work as well. Pdf pertrochanteric femur fractures are considered amongst the most commonly encountered fractures in the geriatric age group. A number of different implant options are available for the management of this injury. The tfna system is designed to solve a wide range of unmet needs for surgeons, or staff, and administrators. Combined ipsilateral femoral neck and shaft fractures are an uncommon type of fractures.
Free highquality documentaries recommended for you. Helical blade compression failure occurred during pfna implantation. 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. Pfna kurz pfna lang statisch dynamisch statisch dynamisch 2 synthes pfna. 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. 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.
Use a cooler that had recently been cleaned with pfas free soap such as alconox and pfas free water. More than five years in the making, this system offers advancement in hip. It has a role as a persistent organic pollutant, a xenobiotic and a surfactant. Furthermore, the results ofthe primary treatment of osteoporotic proximal femur fractures are promising. However, surgical treatment using a cephalomedullary nail is still an alternative option that provides better. Synthes products supplied in a nonsterile condition must be cleaned and steamsterilized prior to surgical use. Proximal femoral nail antirotation in treatment of fractures of proximal femur. Proximal femoral nail antirotation surgical technique depuy synthes.
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. Pertrochanteric femur fractures are considered amongst the most commonly encountered fractures in the geriatric age group. Due to the worlds aging population, intertrochanteric fractures. Pdf proximal femoral nail antirotation in treatment of. Instructions for use intramedullary nailing implants. 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. To evaluate the outcome and efficacy of liss less invasive stabilization system.
In the synthes pfna technique guide, it underlines removing and replacing the blade if it cannot be locked intraoperatively. Listing a study does not mean it has been evaluated by the u. In the commercial product surflon s111 cas 72968388 it is the primary compound present by weight. Ipsilateral femoral neck and shaft fractures fixation with. Comparison of proximal femoral nail antirotation pfna. Pfna nail optimal fit the anatomical design guarantees an optimal. Jcm free fulltext functional and radiological results.
Pdf the nailshaftaxis of the of proximal femoral nail antirotation. Pfas sampling information for water systems performing. Please feel free to contact me if you have any questions or need additional information related to. Between march 20 and december 2015, fifty patients 28 male and 22 females with a mean age of 72. Proximal femoral nail antirotation versus dynamic hip. Modern implants for proximal femur fracture treatment have clearly. Perfluorononanoic acid is a fluoroalkanoic acid that is nonanoic acid in which all of the hydrogens in the alkyl chain are replaced by fluorines. Basis and background new jersey drinking water quality institute july 1, 2015.
Pdf functional and radiological results of proximal. 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. The pfna ii long additionally allows for secondary dynamization. Proximal femoral nail antirotation surgical technique pfna. The blade and nail were eventually removed and replaced with an alternative product. A consecutive prospective randomized clinical study. In 2004, the aoasif group developed the proximal femoral nail antirotation pfna to improve the rotational and angular stability with one single element. The synthes proximal femoral nail antirotation pfna is unique because it is the only proximal femoral intramedullary nail which employs a helical blade in lieu of a lag screw.
954 779 69 710 152 564 194 662 188 66 989 1189 61 1044 1469 1369 1185 10 1007 752 895 1397 619 1520 1338 1295 581 607 162 252 250 387 373 1118