Skvortsov A.
Doctor of Medical Sciences
Chief Researcher
State Autonomous Healthcare Institution “Republican Clinical
Hospital of the Ministry of Health of the Republic of Tatarstan”
Khabibyanov R.
Doctor of Medical Sciences
Chief Researcher
State Autonomous Healthcare Institution “Republican Clinical
Hospital of the Ministry of Health of the Republic of Tatarstan”
Gilmutdinov M.
Candidate of Medical Sciences
Associate Professor, Department of Pediatric Surgery
Federal State Budgetary Educational Institution of
Higher Education “Kazan State Medical University”
of the Ministry of Health of Russia
Maleev M.
Candidate of Physical and Mathematical Sciences
Leading Researcher
State Autonomous Institution of Health “Republican Clinical
Hospital of the Ministry of Health of the Republic of Tatarstan”

Abstract
During reconstructive and restorative operations on the hip joint for its various diseases (congenital and pathological hip dislocations, aseptic necrosis, Perthes disease, etc.), it is necessary to unload the hip joint and ensure postoperative decompression of the femoral head. For this purpose, the Ilizarov apparatus is used, consisting of a pelvic arch and a pin osteofixation system.
The main disadvantages of the proposed method of fixing the arc support in the ilium are the unstable rigidity of the support fixation, clinically manifested in its two-plane mobility, and the impossibility of giving the limb an abduction position in the hip joint, which is necessary after performing reconstructive interventions on the hip joint using the Ilizarov apparatus.
In order to eliminate this drawback, a method of applying a pelvic arc support of the Ilizarov apparatus is proposed in the treatment of diseases of the hip joint. For the purpose of osteofixation, we chose a hybrid system, which in clinical practice has shown its advantages over existing wire structures.

Keywords: hip joint, surgical treatment, external fixation device