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Topic: Ilizarov apparatus


In the News (Mon 28 Dec 09)

  
 Translation/rotation device for external bone fixation system - Patent 5074866   (Site not responding. Last check: 2007-11-05)
Apparatus for the fixation of bone fractures and the correction of congenital deformities uses an improved adjustment device that allows selective rotation or lateral translation of one external fixation ring with respect to other external fixation rings.
The apparatus of claim 1 wherein the translation means comprises a base with a traveling block portion, and threaded adjustment means for moving the traveling block portion relative to the base, the base and traveling block portions being attachable to first and second of the tie rods.
The apparatus of claim 1 wherein the translation means includes at least two, spaced apart translator structures and there are at least four tie rods connecting the ring-like structures, and two tie rods attach to each of the translator structures.
www.freepatentsonline.com /5074866.html   (2728 words)

  
 RISC RTO Orthopaedic department No.9
Ten months after Ilizarov apparatus was removed, the patient walks without limping and pain in the joint.
During the treatment by apparatus form and structure of the femur head were restored.
The reconstructive and restorative operation with Ilizarov apparatus use (the method is patented).
www.ilizarov.ru /project/orth_9.htm   (582 words)

  
 Method of fabricating a quasi-isotropic apparatus - Patent 5389323   (Site not responding. Last check: 2007-11-05)
Ilizarov rings of the prior art are fabricated of stainless steel.
Ilizarov rings are secured to body appendages, such as arms or legs, for the purpose of lengthening and reshaping the bones of the appendage.
The term "Ilizarov" is named after a Russian doctor who was the inventor of the ring apparatus and of the process for lengthening and reshaping bones.
www.freepatentsonline.com /5389323.html   (3853 words)

  
 Acta Ortopédica Brasileira - Partial bone defect treatment using parietal bone transportation   (Site not responding. Last check: 2007-11-05)
Grooved rods of the Ilizarov apparatus attached to a pin with fasteners of the Ilizarov fixator were added (Figure 1).
Following the placement of the Ilizarov apparatus in the tibia, two or three olive wire were inserted through the fibula toward the tibia.
The Ilizarov apparatus is a circular external fixator that determines stable osteosynthesis, thus making the support of the body weight during walking and movement of adjacent joints possible.
www.scielo.br /scielo.php?pid=S1413-78522005000100002&script=sci_arttext&tlng=en   (2878 words)

  
 Ilizarov apparatus
The Ilizarov apparatus is used in a surgical procedure that can be used to lengthen or reshape limb bones.
Professor Gavril Abramovich Ilizarov invented this procedure in the 1950s after having to treat othopedic conditions in the Kurgan region of Siberia.
The major advantage of this procedure is that because the apparatus provides complete support while the bone is recovering the patient can remain active aiding recovery.
www.mrsci.com /Surgery/Ilizarov_apparatus.php   (128 words)

  
 Ilizrun Circular Ext. Fixation
General anesthesia was done by xylazine and ketamine, and the fixation of the fracture was performed using the Ilizarov circular external fixator apparatus, with three rings of 150 mm diameter and three rods.
Ilizarov system was set up with three rings of 150 mm diameter and three rods, so that the 1st and 2nd rings, 2nd and 3rd were seperately connected to the rods.
This fixator apparatus was placed on the limb so that two rings were on the proximal and the third on the distal fragment with the fracture line between the 2nd and 3rd rings (Fig.
www.isrvma.org /article/54_4_6.htm   (1801 words)

  
 Russian Ilizarov Scientific Center for Restorative Traumatology and Orthopedics
The book demonstrates new technologies of osteosynthesis with the modules of the Ilizarov apparatus for hip reconstruction in 475 adult and pediatric patients with congenital hip dislocation and its sequelae.
On the basis of theoretical and experimental investigations analysis of carrier possibility of backbone construction of apparatus with hard adjusting pivots was carried out and apparatus for external fixation with resilient adjusting devices was developed.
Nowadays limbs' lengthening by Ilizarov technique is the method of choice for treatment of patients with achondroplasia, for elimination of posttraumatic and congenital shortening of upper and lower limbs.
www.ilizarov.ru /project/bookshelf_fr.php   (2796 words)

  
 The Ilizarov Technique - Vardaan Hospital   (Site not responding. Last check: 2007-11-05)
It is different from the conventional external fixators in that it encases the limb as a cylinder-the limb itself being shaped like one and it uses wires instead of pins to fix the bone to the rings.
By the late 60s, Ilizarov had won acclaim and recognition in the USSR, and in 1971 the Soviet government built him a hospital-cum-research centre (called the Ilizarov Institute) in Kurgan, Siberia, where he continued to work till his demise.
The Ilizarov Operation was introduced for the first time to the western world in 1984 in Italy when Ilizarov delivered 3 lectures, on non-unions, osteomyelitis and limb lengthening.
www.vardaan.net /ilizarov.htm   (534 words)

  
 Stanford Medicine
Ilizarov (1921-1992) developed his limb-lengthening technique somewhat by accident, while practicing in medically underserved Western Siberia, where many of his patients were World War II veterans suffering from compound gunshot fractures.
Ilizarov made two long-lasting contributions, says Rinsky: showing that bone could lengthen one millimeter daily and developing the Ilizarov apparatus.
Independent research has confirmed Ilizarov's observation that lengthening a bone one millimeter daily is optimal, and his device remains the most widely used system for limb-lengthening by virtue of its unmatched versatility.
mednews.stanford.edu /stanmed/1999summer/magician.html   (1215 words)

  
 Correction of Lower Extremity Deformities by Distraction Osteogenesis
The primary biological advancement in limb lengthening is Ilizarov's concept of bone and soft-tissue regeneration in a widening distraction gap under controlled mechanical means through a subperiosteal corticotomy (Aronson, 1990).
The creation of bone by intramembranous ossification was pioneered by Ilizarov, and as scientific and clinical knowledge of Ilizarov's methodology grows, a broad spectrum of lower extremity applications is occurring.
The Ilizarov apparatus was widely used for complex, multilevel, multiangular, and juxta-articular applications.
www.limblength.com /pubs/articles/distost/distost.htm   (1493 words)

  
 Distraction osteogenesis - Wikipedia, the free encyclopedia
Ilizarov developed a procedure based on the biology of the bone and on the ability of the surrounding soft-tissues to regenerate under tension stress
The main difficulties or disadvantages with the Ilizarov eternal fixator, are risk of infection, nerve and soft tissue irritation, and discomfort/pain.
Ilizarov surgery, developed by Gavriel Ilizarov, a Russian orthopedic surgeon, in 1951, is the oldest and most common method of distraction osteogenesis.
en.wikipedia.org /wiki/Limb_lengthening   (1921 words)

  
 Please title this page. (distract.htm in Htmls)   (Site not responding. Last check: 2007-11-05)
Basically, the unit is firmly attached near the head of the proximal tibia (blue) and near the distal end of the bone.
The Ilizarov apparatus firmly fixes the lower leg to allow transport of a portion of the tibia from the proximal to the distal fragment.
Vernier screws on the distraction portion of the apparatus (purple) are turned four times daily to advance the end of the proximal tibia approximately 1mm per day.
www.uchc.edu /bone/distract.htm   (169 words)

  
 AKU Ilizarov Course
Ilizarov was a Russian surgeon who developed this technique, whereby a circular external fixator is applied to the concerned bone and the deformity is corrected gradually.
Most of the orthopaedic surgeons in the country are unaware of this technique and manage these problems in the ‘conventional’ way which is fraught with complications and poor outcomes.
The course faculty is drawn from Ilizarov trained National and International Surgeons experienced in its management of trauma.
www.aku.edu /news/seminars/ilizarov/courseoutline.htm   (438 words)

  
 Ilizarov Summary   (Site not responding. Last check: 2007-11-05)
Lengthening a bone with the Ilizarov apparatus is a method that utilizes the new bone growth that results from a fracture to add length to the bone.
The Ilizarov fixator is applied and, through frequent adjustments of a venier dial, the patient keeps lengthening pressure on the bone fragments, such that new bone fills the gradually expanding area of the fracture.
While it looks intimidating, the Ilizarove fixator is beautifully conceived to provide stability to the limb while at the same time allowing a portion of the bone to be "stretched".
www.uchc.edu /bone/Ilizarov.html   (467 words)

  
 Ilizarov-Egypt Home page - The Official Site of Ilizarov Surgery in Egypt
Professor Ilizarov’s philosophy emphasizes the importance of minimal operative damage to anatomical structures and the importance of load bearing transferred to the bone during postoperative treatment.
The Ilizarov method is a powerful biological tool as it couples massive neovascularization with mechanical control of the limb permitting not only histogenesis of bones, muscles, nerves and skin but also the transformation of pathological states such as osteomyelitis, fibrous dysplasia and pseudarthrosis into normal bone.
As an external fixator, the Ilizarov device permits gradual, mechanical correction of any deformity in three dimensions.
www.ilizarov-egypt.com /bframe.asp   (341 words)

  
 Limb Lengthening News
The gradual correction of deformity using the principles of distraction osteogenesis was introduced by Ilizarov.
The nonunion was not surgically exposed and was not bone grafted.
This case represents the very early American experience with Ilizarov method for correction of very large bilateral varus deformities in a young adult with neglected Blount's disease and ten year clinical follow up is presented.
www.limblengthening.com /news/blount.html   (2662 words)

  
 [No title]
Ilizarov fixator was chosen to primarily fix those fractures that produced high rate of complications with most conventional methods of fixation.
The Ilizarov device is minimally invasive with little interference in the biology of fracture while at the same time providing optimal skeletal stability.
The specific category of fractures subjected to Ilizarov fixation was with the view to clearly define the role of the fixator in primary management of tibial fractures.
www.ispub.com /ostia/index.php?xmlPrinter=true&xmlFilePath=journals/ijos/vol3n1/apparatus.xml   (2286 words)

  
 Italian Family Travels to Sinai Hospital for Limb Lengthening - Baltimore Maryland MD
The apparatus, called a pediatric Ilizarov apparatus, is made of metal and it goes completely around the leg, fixing to the bone with metal pins.
With the Ilizarov fixture on his leg, Federico is able to play and walk, when assisted by his mother.
Once the bone is ready, surgery to remove the Ilizarov apparatus takes place and within a few week Federico will be walking and running around together with his twin brother with a completely normal leg.
www.lifebridgehealth.org /22152.cfm   (797 words)

  
 Ilizarov-Egypt Home page - The Official Site of Ilizarov Surgery in Egypt
Over the past forty years in Kurgan, Ilizarov has expanded his indications for the method from acute fractures to such obscure diseases as Ollier’s and Buerger’s thromboangitis obliterans.
The Ilizarov method can be used in many problems that have historically been refractory to standard treatment, such as congenital pseudarthrosis of the tibia, severe hemimelias and complex foot deformities.
The Ilizarov device is ideal for local arthrodesis, with the added potential of arthrodiastasis or stretching joint contractures, perhaps obviating the need for fusion.
www.ilizarov-egypt.com /fapplications.asp   (225 words)

  
 Current Concepts In External Fixation
Ilizarov and Okulov reported on the use of external fixation in ankle arthrodesis in 1976.
The use of the Ilizarov fixator was introduced in the United States in the late 1980s.
Ilizarov, GA. The tension stress effect on the genesis and growth of tissues: Part I. The influence of stability of fixation and soft tissue preservation.
www.podiatrytoday.com /article/1410   (2803 words)

  
 High Tibial Osteotomy-most reliable procedure for OSTEO-ARTHRITIS OF KNEE   (Site not responding. Last check: 2007-11-05)
The Ilizarov apparatus is applied only to the Tibia and the varus deformity is corrected using a small 5 mm skin incision and straightening of the bone.
The great advantage of the Ilizarov is that correction can be fine tuned after surgery by observing the patient walk.
After a Ilizarov HTO, pain relief may last from about 5 years to almost 15 years, depending on the initial stage of the Osteoarthritis and accuracy of correction.
www.ilizarov.org /bajaj.htm   (302 words)

  
 Ilizarov treatment of tibial nonunions with bone loss - Wheeless' Textbook of Orthopaedics
Bone defects were closed from within without bone grafts by the Ilizarov bone transport technique of sliding a bone fragment internally, producing distraction osteogenesis behind it until the defect is bridged (internal lengthening).
Deformity was corrected by means of hinges on the apparatus.
Infection was treated by radical resection of the necrotic bone and internal lengthening to regenerate the excised bone.
www.wheelessonline.com /ortho/ilizarov_treatment_of_tibial_nonunions_with_bone_loss   (338 words)

  
 Ilizarov apparatus - Wikipedia, the free encyclopedia
Professor Gavril Abramovich Ilizarov invented this procedure in the 1950s after having to treat orthopedic conditions in the Kurgan region of Siberia.
The Ilizarov apparatus is a powerful tool, and is not without problem.
It is difficult to use, whilst it is minimally invasive in that no large incisions are made and no metalwork is applied directly to the bone, it is not free of complications.
en.wikipedia.org /wiki/Ilizarov_apparatus   (435 words)

  
 Martin Foot and Ankle - Research Current Trends
The Ilizarov method is also used to lengthen legs, and correct angular deformities with the use of external frames on the foot and leg that permit the deformity to bend and reshape slowly.
Craig Martin and Jeff Dunkerley recently received special training in the Ilizarov technique from two Russian Orthopedics who were understudies of Gavriil Ilizarov in Russia.
The research was presented in Boston, MA in the summer of 2003 at the ASAMI (Association for the Study and Application of the Method of Ilizarov).
www.martinfootandankle.com /research/trends.htm   (1197 words)

  
 Spondylolisthesis   (Site not responding. Last check: 2007-11-05)
In fact during the processes of elongation of bone and the correction of deformities by distraction osteogenesis, the adjacent soft tissues are elongated and rearranged.
Nevertheless, when mechanical obstacles, like severe bone anomalies, are present, it is possible to perform also a major open surgery with multiple osteotomies, using the Ilizarov apparatus either to complete or to maintain the correction obtained.
In conclusion we think that Ilizarov apparatus find its best indication in the treatment of foot severe deformities in which traditional methods could meet some risks.
uni-duesseldorf.de /WWW/MedFak/Orthopaedie/journal/issue98/tx1-497.htm   (1016 words)

  
 Ilizarov Hints, Tips and Advice
If you have prior warning that you will be having an Ilizarov fixator then makes sure, as far as possible that you are as fit as you can be.
Remember, the Ilizarov is a large lump of metalwork so don't expect the designer clothes you wore on the way into hospital to fit you after the operation.
It is a medical apparatus therefore you must be careful with it.
www.ilizarov.org.uk /hints.htm   (3412 words)

  
 Tibial Malunion & Medial Knee OA
Heidelberg Fixator is one option or Ilizarov apparatus a second).
As you described, you have a double deformity: one at the level of the malunitted fracture and a second one, secondary to the previous one, at proximal tibia.
I suggest to do both corrections, the proximal with a curved osteotomy centred on the CORA and the diaphyseal at the deformity level, stabilising it with a Ilizarov frame and doing an acute correction if there are no shortening or progressive correction of the diaphyseal level if there is shortening as on the attached file.
www.hwbf.org /hwb/conf/kull1/kull1.htm   (928 words)

  
 Nigerian Journal of Orthopaedics and Trauma - Vol. 2, No. 1 (2003)
OBJECTIVE: The purpose of this article is to give a brief overview of the history of trans-skeletal method ostheosynthesis as it relates to the evolution of the Ilizarov external fixation device.
They were applied after open reduction and the cross-angles of the wires were located outside the bone and this reduced the rigidity of fixation, needing additional support with Plaster of Paris.
Ilizarov apparatus has clearly defined the indications for the use of external fixators.
www.ajol.info /viewarticle.php?id=13361   (389 words)

  
 Help us save the children!
Condition after application of Ilizarov apparatus and plastic surgery of the joint.
At the age of 9 months, after falling from a stroller, the patient developed deformation of the left shin and pathological mobility in the lower third of the shin.
Repeated application of Ilizarov apparatus with plastic surgery of the false joint was performed 6 months later.
deti.msk.ru /en/michailovigor_en.htm   (701 words)

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