Universal distraction repositor for orthopedic department

Abstract

The invention belongs to the field of medical devices, and discloses a universal distraction repositor for an orthopedic department. The whole universal distraction repositor is in an X shape and is provided with handles (1), distraction arms (2) and universal clamps (4), wherein screw fixing holes (3) are formed in the universal clamps (4), and the universal clamps (4) are connected with the distraction arms (2) through spherical joints (7); the universal distraction repositor is characterized in that when the two handles (1) are oppositely extruded, return springs (5) are deformed, the two handles (1) get close to each other, the distance between screws which are fixedly arranged in the screw fixing holes (3) is increased along with the stretching of the distraction arms (2), a locking rod (6) can be used for fixing a distracted angle after being locked, multi-directional adjusting on the universal clamps (4) can be realized by loosening locking bolts (8) which are used for fixing the spherical joints (7) at the moment, and thus a corresponding bone is driven and a multi-directional adjusting purpose is achieved. The universal distraction repositor disclosed by the invention has the advantages that a relative angle of two distracted bones can be further changed in multiple directions after a joint or a fracture end is distracted in an orthopedic surgery, and the device is beneficial for better exposing of a deep structure, helping of the reduction and the fixation, and the like.

Description

technical field [0001] The invention belongs to the field of medical devices, and relates to a distraction reducer with multi-directional continuous adjustment functions in orthopedic clinics, in particular, it can provide orthopedic surgeons with a distraction reducer that can well display deep structures and adjust fracture positions during orthopedic operations. Background technique [0002] In orthopedic surgery, due to the need to correct fracture overlapping displacement and intercalation displacement, it is often achieved by means of a distraction device. In some intra-articular operations, it is often necessary to expose the joint space to facilitate the accurate reduction of the joint. For some large joints, such as hip and knee The exposure of joints and joint spaces can be achieved by changing the angle of joint flexion and extension or by dislocating the joints. For some micro-movement joints, the method of external force expansion must be used to expose the joint...

AI Technical Summary

Problems solved by technology

In addition, there are some uncommon spreaders. Comparing these spreaders, it can be found that they have similar characteristics; that is, they are all one-way spreaders, and the direction and angle of spreader are fixed. Once the device is installed, the direction of expansion is determined, which can meet the demand when simply exposing the internal structure of the joint or fracture end, but it is necessary to change the relative angle of the corresponding fracture joint during the operation to facilitate reduction and fixation. It is required to adjust the placement point and angle of the spreader again. Sometimes it needs to be adjusted repeatedly during the operation, which not only wastes valuable operation time, but also easily leads to the failure of the reset and fixed part

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