The comparatively larger lateral proximal condyle also seen on the femur and helps to create the bicondylar angle is an adaptation to increased weight transfer through the femur and into the foot. Jan 10, 2016 operative treatment of acute distal femur fractures. By most measures the two left and right femurs are the strongest bones of the body, and in humans, vague the longest. As the anterior pelvic plane is now widely recognized as an inappropriate reference for cup orientation due to variation in sagittal pelvic tilt, referencing stem anteversion to the distal femur may also be inappropriate and not provide a suitable description of the functional anteversion of the stem. We investigated four plate systems for distal femur fixation axsos, lcp, peri loc, polyax of differing designs and materials using bone. Distal lateral femoral plate proximal lateral tibial plate distal anterolateral tibial plate distal medial tibial plate the axsos locking plate system is designed to treat periarticular or intraarticular fractures of the proximal humerus, distal femur, proximal tibia, and the distal tibia. Competitive fitting study for locking distal anterolateral tibia plates 2 axsoswp2 andreas petersik et al.
The incidence of distal femur fracture in the elderly has been increasing recently, and commonly occurs with osteoporosis. As you insert the plate, use the plate to feel the femur to confirm a direct lateral position, not anterior or posterior to the femoral shaft. Medical device lateral distal femur plate axsos for you 3 hole left femur 10 l238mm 627610. Open reduction and internal fixation of the distal femur. Distal anterolateral tibia plate distal medial tibia plate distal lateral femoral plate proximal lateral tibial plate the axsos locking plate system is designed to treat periarticular or intraarticular fractures of the proximal humerus, distal femur, proximal tibia, and the distal tibia. Distal femur fractures of the elderly different treatment.
The distal femoral plate is designed with optimised. Axsos1 locked plating comparison of subject to predicate subject device predicate device axsos distal lateral femur axsosthi distal lateral. Nov 30, 2017 this feature is not available right now. Distal femoral varus osteotomy is a wellestablished procedure for the treatment of lateral compartment cartilage lesions and degenerative disease, correcting limb alignment and decreasing the progression of the pathology. Please vote below and help us build the most advanced adaptive learning platform in medicine. We investigated four plate systems for distal femur fixation axsos, lcp, periloc, polyax of differing designs and materials using bone. Listing a study does not mean it has been evaluated by the u. Distal condylar screws are parallel to the joint surface to provide a stable support structure in the metaphyseal region multiple points of fixation increased strength optimized fit percutaneous instrumentation stable support inspired by anatomy inspired. The system allows for polyaxial screw placement with subsequent screw.
Despite technique suggestions from anecdotal and some early reports, knowledge about risk factors for failure, nonunion nu, and revision is limited. Surgical approach surgeon may use an anterolateral or lateral parapatellar approach. Pediloc extension osteotomy plate pleo orthopediatrics. The purpose of this study was to analyze the complications and clinical outcomes of lp treatment for distal femoral fractures. Indications include the proximal humerus, distal femur, and proximal and distal tibia. As a result of the aging population, the incidence of fractures of the distal femur is increasing, especially in patients with osteoporosis. The system allows for polyaxial screw placement with subsequent screw locking for improved stability especially within osteopenic bone. The conventional sps small and basic fragment sets are standard plating. From a populationbased implant design, a patented screwtoplate interface, and streamlined instrumentation, our focus is on creating a welldesigned plating system, giving you more time to focus on other things. Specifically designed femoral osteotomy plates take into account the anatomical differences between the distal femur and proximal tibia. Distal anterolateral tibial plate placca tibiale mediodistale placca tibiale anterolateraledistale il sistema di placche di bloccaggio axsos e stato concepito per il trattamento di fratture periarticolari o intrarticolari di omero prossimale, femore distale, tibia prossimale e tibia distale. Pdf retrograde intramedullary nailing for distal femur.
The system design is based on clinical input from an international panel of experienced surgeons, data from. Distal anterolateral tibia plate distal medial tibia plate distal lateral femoral plate proximal lateral tibial plate. Implant material and design alter construct stiffness in distal femur locking plate fixation. From a populationbased implant design, a patented screwtoplate interface, and streamlined instrumentation, our focus is on creating a welldesigned plating system, giving you more. It is also useful to expose the neurovascular bundle when a distal femoral fracture is complicated by an arterial injury. Aug 06, 2017 supracondylar femoral fractures muller ao classification of fractures 3 femur 33 distal femur a1 a2 a3 b1 b2 b3 c1 c2 c3 c complete articular a extraarticular b partial articular 6. Babst department of trauma surgery, cantonal hospital lucerne, lucerne, switzerland summary this paper describes current treatment strategies of distal femoral fractures as well as their evidence based rationale. Fractures of the distal femur whether supracondylar. Open reduction and internal fixation of the distal femur animesh agarwal definition distal femur fractures are difficult, complex injuries that can result in devastating outcomes. Axsos 3 titanium distal lateral femur locking plate. The physicians education, training and professional judgement must be relied upon to choose the most appropriate device and treatment. The system allows for the use of locking and nonlocking screws in the metaphysis and the shaft. The pleo plate is designed to fit the anatomy of the distal femur in.
Monoaxial locking plate for treating distal femur fractures. Femur posterolateral approach approaches orthobullets. The medical device lateral distal femur plate axsos for you 3 hole left femur 10 l238mm is realized by stryker trauma ag. Early weight bearing on supracondylar distal femur. Operative treatment of acute distal femur fractures. Supine with option to flex the knee up to 60 over a leg support. Locked plating lp of distal femoral fractures has become very popular. Using the kwire sleeve ref 702702 in conjunction with the drill sleeve ref 702707, a 2. The pediloc extension osteotomy pleo plate, also part of the renowned pediloc family, is indicated for proximal, distal, and midshaft femur fractures. The system is indicated for fixation of long bone fractures including but not limited to fractures of the humerus, tibia, and femur. Stryker albue skinne axsos prox tibia small fragment. Management of intraarticular fracture of distal femur with. Visualization of the proximal or distal tibia depending on the indication using fluoroscopy in both the lateral and ap views is necessary. The axsos locking plate system is designed to treat periarticular or intraarticular fractures of the proximal humerus, distal femur, proximal tibia, and the distal tibia.
The axsos locking plate system is indicated for fixation of long bone fractures including fractures of the distal radius, the proximal humerus, the distal tibia, proximal tibia and the distal femur. Competitive fitting study for locking distal medial tibia plates. Implant material and design alter construct stiffness in distal femur. By orthopaedic trauma institute at ucsf featuring amir matityahu. Nov 01, 2016 distal femur fractures assessment and preop planning ota lecture series iii l5a duration. Themetaphyseal screw pattern also avoids any interference in the intercondylar notch and helps prevent loss of reduction. Tomofix medial distal femur plate surgical technique depuy synthes companies 1 warning. Avoid plate insertion through the muscle to avoid intramuscular vessel disruption. Distal femur fractures and its treatment with distal femur locking plate kanav padha, sandeep singh, abdul ghani, harish dang the incidence of distal femur fractures is around 37 100,000 patients per year. Martinet et al epidemiology of fractures of the distal femur statistics from ao documentation from the 1st jan. Prep and drape the leg circumferentially extending proximal to the hip to allow proximal extension of the surgical incision if needed. Implant material and design alter construct stiffness in. Axsos 3 titanium operative technique 6 patient positioning. Remove the handle for insertion by pressing the metal button at the end of the handle.
Pdf implant material and design alter construct stiffness in distal. Axsos 3 ti distal lateral femur axsos 3 ti distal tibia axsos 3 ti proximal tibia. Management of intraarticular fracture of distal femur. This operative technique contains a simple stepbystep procedure for the implantation of the distal lateral femur plate using the targeting instrumentation. A sterile tourniquet may be useful if treating a distal femur fracture. Knifelight femur axsos locking plate system carpal tunnel. Visualization of the distal femur under fluoroscopy in both the lateral and ap views is necessary. The distal part of the femur is considered the most distal 9 to 15 cm of the femur and can involve the articular surface. If the fractures around hip are excluded, 31% femoral fractures involve distal portion 1. The axsos 3 titanium locking plate system is intended for long bone fracture fixation. Axsos 3ti locking plate system stryker corporation.
The system design is based on clinical input from an international panel of experienced surgeons, data from literature, and both practicaland biomechanical testing. Varus collapse of comminuted distal femur fractures after open reduction and internal fixation with a lateral condylar buttress plate. Regular followup with all records was carried out for a period of 36 months. Medical device lateral distal femur plate axsos for you. This operative technique contains a simple stepbystep procedure for the implantation of the distal lateral femur. Nov 27, 20 locked plating lp of distal femoral fractures has become very popular. Axsos osteosintesis osteosintesi sistema di placche di bloccaggio. During the past decade, retrograde intramedullary devices as well as new generations of distal femur locked plating systems have facilitated the operative treatment of these fractures.
The axsos periarticular locking plate system is strykers range of axially stable locking plates with locking screws designed to treat peri or intraarticular fractures. Distal femur fractures assessment and preop planning ota lecture series iii l5a duration. Axsos 3 titanium distal lateral femur locking plate system. Secure the total femur coupler trial to the diaphyseal. Resources on lateral approach to distal femur and related topics in orthopaedicsone spaces. The medial approach to the distal femur is useful to expose a medial distal femoral fractures, a hoffatype fracture, osteochondroma, or a neoplastic lesion of bone. Our portfolio of lower extremities products includes a comprehensive array of intramedullary nails, locking plates, external fixation, and biologics.
Surgical techniques can be performed with a lateral openingwedge or medial closingwedge correction of the deformity. The axsos locking plate system is intended for use in long bone fracture fixation. Current concepts in fractures of the distal femur soucasny pohled na zlomeniny dolniho konce stehenni kosti b. Cuhkolc surgeon education program the 56th orthopaedic trauma workshop the 25th comprehensive bioskill course on fracture fixation 15th 16th december 2012 special theme.
Although use of a distal femur lateral locking plate with or without application of lag screws has been the gold standard during the last decade, most recent works reported high rates of defective callus formation, delayed union, nonunion, malrotation, and implant failure, especially in comminuted cases, despite use of a single ordinary or mini. Proximal and distal tibia, proximal humerus and distal femur. Distal lateral femur ts plates of the axsostm locking plate system cleared under k061012 in regards to intended use, design, materials, and operational principles as a bone fixation device. Retrograde intramedullary nailing has been considered a good surgical. This wire should be parallel to the joint line to assure proper alignment of the distal femur. Knee distal femur and proximal tibia efossils resources. The distal femur is not the ideal reference for stem. Medical device lateral distal femur plate axsos for you 3. Early weight bearing on supracondylar distal femur fractures in elderly patients the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Supracondylar femoral fractures hoffa fracture 33b3 coronal split posterior femoral condyle no dcs dynamic condylar screw no blade plate 7. Standard lateral, modified lateral or lateral parapatellar approach. Distal condylar screws are parallel to the joint surface to provide a stable support structure in the metaphyseal region multiple points of fixation increased strength optimized fit percutaneous instrumentation stable support inspired by anatomy inspired by simplicity fracturespecific solutions proximal femur.
The head of the femur articulates with the acetabulum in the pelvic bone forming the hip joint, while the distal part of the femur articulates with the tibia and kneecap, forming the knee joint. The distal femoral osteotomy system utilizes the same principles of design featured in the tibial osteotomy system. Clinical outcomes of locked plating of distal femoral. Highly unstable complex c3type distal femur fracture. In addition, modern human condyles are more concave and elliptical in shape to accommodate the elliptical femoral distal condyles. This step also shows the position of a later placed screw and shows its relation to the joint surface.
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