E-PLATE (BONE LENGTHENING PLATE)

摘要

Bone lengthening using gradual distraction proved to be effective technique in treatment of many orthopaedic problems like congenital and pediatric bone problems and old maleunited fractures and after tumor surgery and many other bone diseases The technique was developed by Ilizarov & used all around the world since the mid 80 s with great success. But with the use of external fixation devices. These devices are associated with very high complication rate & sever discomfort and complicated treatment protocol. During the last few years there are some trials to improve the treatment by the use of internal lengthening devices using intramedullary motorized and non- motorized nails that are inserted inside the bone with more comfort and less complication than external fixation devices. But the available implants are designed to be put inside the bone (intramedullary) & the designs are not suitable for most of the bone diseases and the conditions that need this type of treatment. Also cant be used in children & small or deformed bone. Our design of a motorized bone lengthening plate (E plate) solve all these problems and make limb lengthening easier to the patient with less complications and easier to the doctor to apply as it can be applied to any bone size and even deformed bone and well controlled. It is composed of a motor that controlled from out side the body by remote control, and a telescopic plate that fixed to the bone by 4 -6 screws. The motor make gradual distraction till the patient get the required lenth.