Nov 17, 2011 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. Reduced cutout rate of pfna compared to gamma nail pfna 1. Examples include the gamma nail strykerhowmedica, the intramedullary hip screw smith and nephew richards, the proximal femoral nail synthes and the ace trochanteric nail depuy orthopaedics. Device is not distributed in the united states, but is similar to a device marketed in the usa. Comparison of proximal femoral nail antirotation pfna with ao. A retrospective analysis of the intertan nail and proximal.
The optimal blade tip placement is not known for the pfna. Despite the biomechanical advantages of the pfna ii and the good clinical results that have been reported 5. Pfna, designed by ao in 2004, is an intramedullary device with a helical blade rather than a screw for better purchase in the femoral head 2, 3. The pfnaii long additionally allows for secondary dynamization. Jan 01, 2012 orthopedics the purpose of our study was to compare the proximal femoral nail antirotation pfna. Poor bone quality and neck screw instability can adversely affect the results with currently available fixation devices, which predominantly consist in dynamic hip screwplates and proximal reconstruction nails. The handpiece must be in fwd position to use the oscillating drill attachment. Original article a novel modified trochanteric entry. Radiographic outcomes of osteosynthesis using proximal femoral nail antirotation pfna system in intertrochanteric femoral fracture.
Pain while walking was assessed on a vas 0 to 100 and scores exceeding thirty were regarded as. Point your browser to the nys department of labor online services for individuals sign in page. Add s to the article number to order sterile products. Tous les catalogues et fiches techniques pdf depuy synthes. Pdf the pfna proximal femur nail in treatment of unstable. Biomechanical effect of bone cement augmentation on rotational stability and pullout strength of the proximal femur nail. At postoperative 1 year, the functional outcome was evaluated using harris hip score hhs and the degree of pain was measured by visual analogue scale vas. A total of 2 consecutive patients with unstable trochanteric fractures of the femur were enrolled in the study. A biomechanical evaluation of proximal femoral nail. Synthes oberdorf, switzerland, was developed by the aoasif group. Helical blade compression failure occurred during pfna implantation. Ufn unreamed femoral nail cfn cannulated femoral nail. Zeffect and reverse zeffect are complications that arise from the surgical treatment of pertrochanteric fractures of the femur with proximal femoral nails pfn comprising two interlocking head screws.
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. Following the surgical technique guidance is the safest way to achieve that. The pfna proximal femur nail in treatment of unstable proximal femur fractures3 cases of postoperative perforation of the helical blade into the hip joint. Risks associated with magnetic resonance imaging mri of patients with hip and knee implants. Designed to advance the treatment of hip fractures. Sites at highest risk of fracture include the hipfemur and pelvis in females, and vertebrae in males with anorexia nervosa. Buettler m, wyler e, attal r 2009 retrospective followup of. Intertrochanteric fracture with lowenergy trauma in a young. A 3d finite element model of an intact femur was constructed and validated. Corail primary stem cementless surgical technique cancellous bone compaction use the modular bone impactor l940 to compact the cancellous bone proximally.
The nail design has been well proven in over 450 000 cases performed with the pfn and pfna. Intramedullary fixation with the pfna system synthes oberdorf, switzerland was implemented in group a n 42. Depuy synthes impactor for pfna proximal femoral nail antirotation blade. A biomechanical comparison of two intramedullary implants. However, the pfna nail provides a shorter operation time, less blood loss, and better realignment ability and reduces the incidence of reoperation. 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. To achieve rotational and angular stability, in 2004, the proximal femoral nail antirotation pfna device, one of the thirdgeneration intramedullary implants pfna. The pfna ii was introduced to eliminate lateral cortex impingement encountered with the pfna. This is an important step as the philosophy of the corail stem is based on bone preservation. The synthes titanium trochanteric fixation nail tfn system permits an.
Comparison of proximal femoral nail antirotation pfna with ao dynamic condylar screws dcs for the treatment for unstable peritrochanteric femoral fractures. Proximal femoral nail pfna blade rotational and angular stability achieved with one single element compaction of cancellous bone nserting the pfna. Comparison of proximal femoral nail antirotation pfna. Pfnaii nail several distal locking options static or dynamic locking can be performed via the aiming arm with pfnaii standard, small and xs. The dhs and pfna used in this study are supplied by synthes usa sales west chester, philadelphia, usa, and it is impossible to gain the structure, material property, or component due to the protection of intellectual property. 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 2 ao principles 5 indications and contraindications 6 clinical cases 7 preoperative planning 8 patient positioning 9 preparation 10 open femur 14. Synthes screw reference chart cambridge orthopaedics. A comparative study of trigen intertan nail intertan and proximal femoral nail antirotation 2 pfna2 in the patients with intertrochanteric fractures article pdf available january 2016.
Proximal femoral nail antirotation technique guide. Pdf treatment of the proximal femoral fractures with. A total of 32 patients had excellent or good outcome, and 2 patients had satisfactory outcome and none had poor outcome. In the synthes pfna technique guide, it underlines removing and replacing the blade if it cannot be locked intraoperatively. Pfna is useful for the treatment of osteoporotic proximal femoral fractures, and our initial experience suggest that it has low implantrelated complications.
Pfna blade rotational and angular stability achieved with one single element compaction of cancellous bone inserting the. Each of these nails allow compression over the nail\blade with the intramedullary stability. Proximal femoral nail antirotation pfnatm fixation of. The pfna ii long additionally allows for secondary dynamization. Proximal femoral nail antirotation in treatment of. Alternatively, you can download the file locally and open with any standalone pdf reader. The synthes lcp proximal tibia plate is intended for treatment of nonunions, malunions. Among the intramedullary devices, proximal femur nailing antirotation pfna synthes inc. If you do not see its contents the file may be temporarily unavailable at the journal website or you do not have a pdf plugin installed and enabled in your browser. Implants contd inventory control form 3 available nonsterile or sterilepacked. They are also for use in fixation of osteopenic bone and fixation of nonunions and malunions.
This study compared sliding between a lag screws of pfn proximal femoral nail, ao synthes and b the helical blade of pfna proximal femoral nail antirotation, ao synthes for femoral. Do pfna devices and intertan nails both have the same effects in the treatment of trochanteric fractures. Followup occurred at 1, 3, 6, and 12 months postoperatively. Failure of fixation of trochanteric femur fractures. The surgery was prolonged due to the jamming of the implants. The blade and nail were eventually removed and replaced with an alternative product. Proximal femoral nail antirotation surgical technique pfna. Surgical technique for all corail portfolio including.
Implants all intramedullary implants for the femur cfn cannulated femoral nail standard locking tan titaniumaluminiumniobium alloy, cannulated, for procedures with or without reaming. Every effort is made to keep this listing as accurate and current as possible. Pfna blades have been biomechanically proven to compact cancellous bone and achieve increased stability and. Depuy synthes impactor for pfna proximal femoral nail anti. Oct 17, 20 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. Comparing weight bearing after intramedullary fixation. It incorporates the best elements of our highly successful global hip nails tfn, pfna, and pfna ii, optimized through input from hundreds of surgeons around the world. Mechanical failures after fixation with proximal femoral nail and risk factors semmi koyuncu,1 task. Pdf do pfna devices and intertan nails both have the.
To do this, lock the unit, pull back the release sleeve and insertremove the tool. So with the help of xl3dss 3d laser scanner shining 3d, hangzhou. This provides additional anchoring to the pfna blade, which is especially important in osteoporotic bone. 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 optimal tipapex distance is 25 mm or less for a dynamic hip screw.
Pfna depuy synthes pdf catalogs technical documentation. Safety specification for the pulsed fast neutron analysis. In 2004, the aoasif group developed the proximal femoral nail antirotation pfna to improve the rotational and angular stability with one single element. Pre design radiation safety plan for the operational test. Electric pen drive instructions for use depuy synthes. May 31, 2014 examples include the gamma nail strykerhowmedica, the intramedullary hip screw smith and nephew richards, the proximal femoral nail synthes and the ace trochanteric nail depuy orthopaedics. Pdf radiographic outcomes of osteosynthesis using proximal. Original article pfna with reduction assisted with pointed. The purpose of this study is to evaluate whether patients with trochanteric fractures being treated with a proximal femoral nail antirotation pfna and augmentation can better be mobilized than patients without augmentation.
In our practice, we always try to use the recommended entry point for the pfna ii according to the manufacturers suggested surgical technique. Should the tipapex distance tad rule be modified for the. The tfna system truly is a global platform that delivers modern innovation. New advanced nailing system from depuy synthes companies designed to improve surgical treatment of hip fractures system designed to advance patient outcomes, reduce procedural complexity and. A biomechanical evaluation of proximal femoral nail antirotation with. Proximal femoral nail antirotation in treatment of fractures. Should the tipapex distance tad rule be modified for.
Pfna nail optimal fit the anatomical design guarantees an optimal. In its conjugate base form as a salt it is stable and commonly ion paired with ammonium. Listing a study does not mean it has been evaluated by the u. The aoasif proximal femoral nail antirotation pfna. Clark county, comprehensive planning department risepfna report. Pitting corrosion was shown on the pfna blade and inside the degree hole of the nail resulting from a crevice situation in the contact zone between spiral blade and pfna. Dec 01, 2015 read comparison of the reconstruction trochanteric antigrade nail tan with the proximal femoral nail antirotation pfna in the management of reverse oblique intertrochanteric hip fractures, injury on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Rotational and angular stability achieved with one single element. Aiming device for guide wire, for pfna and tfn, for ap orientation 03.
In the commercial product surflon s111 cas 72968388 it is the primary compound present by weight. The pfn was developed to solve problems such as the. Proximal femoral nail antirotation surgical technique depuy synthes. Proximal femoral nail antirotation devices pfnas are considered biomechanically superior to dynamic hip screws for treating unstable peritrochanteric fractures and reportedly have a lower complication rate.
Therefore, the pfna nail can be considered a better device than the recon nail. New advanced nailing system from depuy synthes companies. Aug 17, 2017 manufactured by synthes gmbh recall due to risk of infection from cracked weld of the handle. Mechanical failures after fixation with proximal femoral nail. This site is published by the depuy synthes companies, which are solely responsible for its content. The synthes locking compression platestplates are intended to buttress metaphyseal fractures of the proximal humerus, medialtibial plateau and distal tibia. Original instruments and implants of the association for the study of internal fixation ao asif synthes screw reference chart reference chart. Femoral nail antirotation pfna ii synthes, solothurn, switzerland. 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 acidic form it is a highly reactive strong acid. Comparison of the reconstruction trochanteric antigrade nail. However, it is able to be used with the pfna and pfna ii systems and is an option if your facility has this item available. With augmentation option pfna ii set screw for trochanteric fixation nail. Orthopedics the purpose of our study was to compare the proximal femoral nail antirotation pfna. Pfna ii surgical technique depuy synthes 1 table of contents introduction surgical technique product information bibliography 83 mri information 84 pfna ii. All surgical techniques are available as pdf files at. P f n a depuy synthes pdf catalogs technical documentation. The paper describes three cases of pertrochanteric fractures. 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. The fractured and postoperative models were accordingly produced.
However, it is unclear whether the new design in fact avoids lateral cortex impingement. These systems allow for rapid and minimally invasive fracture reduction 3, 4. Instructions for use intramedullary nailing implants. Intertan nail versus proximal femoral nail antirotation. Prior to generation of the pfna external neutron beam, the tunnel area shall be visually verified empty of personnel, by the pfna operator, and the access doors closed and interlock switches set. Prior to steamsterilization, place the product in an approved wrap or contain. Synthes, paoli, pennsylvania with a reconstruction nail recon. How to file your unemployment insurance claim online. Synthes, oberdorf, switzerland in 2003 and the pfna ii the asian version in 2007. The only intervention was intertan nail or pfna ii fixation of the unstable trochanteric fractures. A 29yearold woman known to have suffered from anorexia nervosa 15 years ago visited the emergency department due to right hip pain after. If loss of reduction occurred after release the forceps, then, the incision was prolonged with 2. We offer one of the worlds most comprehensive portfolios of orthopaedic products and services in the areas of joint reconstruction, trauma, spine, sports medicine, craniomaxillofacial, power tools and biomaterials. Such warning device shall be clearly discernible in and near all effected areas.
The pfna augmented proximal femoral nail antirotation, synthes inc. All books are in clear copy here, and all files are secure so dont worry about it. Tradimedics, seongnam, korea and pfna synthes, solothurn, switzerland. Thus, the pfna, with a lower degree of invasiveness in terms of operative procedure, may be a better implant for trochanteric fractures, especially in elderly patients. 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 femur fractures with the pfna. Pdf the pfna augmented in revision surgery of proximal. Comparative study of the proximal femoral nail antirotation. Some devices in this form may not have been licensed in accordance with canadian law and may not be for sale in canada. Depuy synthes companies personnel will often travel with the mission volunteers to support their work as well.
The details concerning the classification of fractures are based on the ao fracture classification. The pfna augmented in revision surgery of proximal femur. Proximal femoral nail removal set for pfn, tfn and pfna. The best surgical strategy for extracapsular proximal femoral fractures pffs is controversial in the elderly. Does pfna ii avoid lateral cortex impingement for unstable. Tfna proximal femoral nailing system pdf free download. 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.
Comparison of proximal femoral nail antirotation pfna with. The nails and proximal locking configuration were based on the fracture pattern. Such complications are induced by the migration of screws in opposite directions, which may lead to failure of the osteosynthesis. Synthes products supplied in a nonsterile condition must be cleaned and steamsterilized prior to surgical use. Proximal femoral nail antirotation pfna versus pfna. This site is like a library, you could find million book here by using search box in the header. Pfna is used as surfactant for the production of the fluoropolymer polyvinylidene fluoride.
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