Built-in electromagnetic remote control jawbone distraction ossification distractor and operating method

Abstract

The invention provides a built-in electromagnetic remote control jawbone distraction ossification distractor. The distractor comprises a built-in distracting device and an external remote control device, wherein the built-in distracting device comprises a screw rod; the screw rod is connected with a driving control device; a first fixing plate is arranged on the driving control device; and a moving distracting assembly is arranged on the screw rod, and comprises a sliding block located at the center and a second fixing plate arranged on the sliding block. The built-in electromagnetic remote control jawbone distraction ossification distractor disclosed by the invention adopts a built-in structure, a transmitting coil is controlled by a remote controller to transmit an electromagnetic pulsesignal to a receiving coil on the built-in distracting device, and the electromagnetic pulse signal is converted to an electric signal which can drive a motor to work through a motor driving circuit,so that the screw rod is driven to rotate, and a sliding block which is movably arranged on the screw rod moves up and down along the screw rod. Through the adoption of the built-in electromagnetic remote control jawbone distraction ossification distractor disclosed by the invention, the effect of distraction ossification can be effectively achieved, the infection rate is reduced, the length of distraction ossification is accurately controlled, the number and the length of incisions of the skin are reduced, and the scar hypertrophy is reduced.

Description

technical field [0001] The invention relates to the technical field of distractors, in particular to a built-in electromagnetic remote-controlled mandibular distraction osteogenesis distractor and an operating method. Background technique [0002] Distraction osteogenesis is a kind of endogenous bone tissue engineering technology. It cuts the bone, places special distractors on both sides of the bone cutting line, and after a certain delay period (5-7 days), slowly distracts Stretch the bone cutting gap (1-1.5mm / day), widen the cutting gap continuously, and stimulate the potential of tissue regeneration in the body, continuously form new bone tissue in the distraction gap, and at the same time make the muscles, nerves and blood vessels around the bone , skin, etc. are extended at the same time, so as to achieve the purpose of extending bones. [0003] Traditional distractors require an adjustment rod protruding out of the body, which requires an additional wound on the sk...

AI Technical Summary

Problems solved by technology

[0005] 1). When the traditional stretcher is placed, the adjustment rod needs to protrude from the additional incision. When installing the distractor, the position of the adjustment rod needs to be designed in advance. The outlet of the adjustment rod needs to be close to the skin, so that the installation position is limited. The device is limited when it is used in the limbs and other parts, and the adjustment rod extending out of the body affects the normal life of the patient

[0006] 2). The adjustment of the stretching distance by the traditional stretcher needs to be operated by a doctor, and it is adjusted by the rotation of an external adjustment rod. The rotation accuracy is poor, the control is not good, and it is difficult for the patient to adjust by himself.

[0007] 3). The internal stretching device of the traditional stretcher is a thin spiral rod. During the common clinical stretching process, the stretcher cannot continue stretching due to excessive torque, and even the stretching rod breaks, resulting in stretching failure.

[0008] 4). The period of distraction osteogenesis is long. During this period, the additional incision of the adjustment rod needs to be kept open for a long time. Since the incision communicates with the internal distraction osteogenesis area, the chance of infection is greatly increased, resulting in failure of osteogenesis.

[0009] 5). After the stretch is completed, due to the elongation of the stretcher, the incision needs to be extended to remove the stretcher, and additional scars will be left

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