Adjusting device of growing rod, passive growing rod, and active growing rod

Abstract

The invention discloses an adjusting device of a growing rod, a passive growing rod, and an active growing rod. The adjusting device of a growing rod comprises an adjusting block and a movable rod. The adjusting block is slidably connected with one end of the movable rod, so that the movable rod can move relative to the adjusting block. The adjusting block is provided with a pressing piece which can elastically reset. One end of the movable rod is provided with a limiting portion used for limiting in one direction. When the pressing piece is in a natural state, the pressing piece is cooperatedwith the limiting portion in a limiting manner, so that the movable rod can just move along the direction away from the adjusting block. When the pressing piece and the limiting portion is separatedor staggered, the movable rod can move relative to the adjusting block in a reciprocating manner. Using the adjusting device of a growing rod, the passive growing rod, and the active growing rod, a patient just needs one mounting operation, adjustment after operation is convenient, and pain of the patient is reduced.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an adjusting device for growing rods, passive growing rods and active growing rods. Background technique [0002] For patients with congenital scoliosis, the curvature of the spine needs to be controlled before their bones grow and mature, otherwise their scoliosis may become very serious, affecting the development of the thorax and even important internal organs, and even causing die. For patients with mild degree and good spinal flexibility, conservative treatment methods can be implemented, such as wearing braces, etc., but for a large number of patients, surgical intervention is required to reduce or slow down the progression of scoliosis angle, so that the patient's spine The lateral bending angle is controlled within a certain range before the development is completed. [0003] At present, the commonly used surgical treatment method is to use the growth valve. Its...

AI Technical Summary

Problems solved by technology

Although this type of growth rod can be stretched in vivo without surgery, its stretching force is affected by the patient's posture, and it is prone to the phenomenon that it cannot be stretched. The magnetic material in the body makes the patient unable to accept the MRI examination. Complex and expensive, unable to achieve large-scale promotion

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