Four-sided butterfly-shaped steel plate for locking osteoepiphysis of child

Abstract

The invention provides a four-sided butterfly-shaped steel plate for locking osteoepiphysis of a child. The four-sided butterfly-shaped steel plate comprises a steel plate body shaped like a four-sided butterfly, wherein an included angle is formed between the upper part and the lower part of the steel plate body; 4-6 threaded holes for fixedly connecting screws are uniformly formed in the steel plate body; angles between the screws and the steel plate body are adjustable; a positioning hole and a groove are formed at a symmetrical center of the steel plate body. The included angles are formedbetween the upper part and the lower part of the steel plate body and between the steel plate body and the screws, and by virtue of a rebounding principle of the steel plate body and the screws, theincidence of postoperative complications is reduced and developmental limb malformation is corrected; through design of the steel plate and the screws, a vertical stress generated on the screws duringgrowth of the osteoepiphysis is reduced, the risk of screw breakage is reduced, and the effect of correcting the limb malformation caused by abnormal osteoepiphysis development of the child is good.

Description

technical field [0001] The invention relates to the field of medical appliances, in particular to a four-sided butterfly-shaped steel plate for epiphyseal locking of children. Background technique [0002] The enlarged part at both ends of the long bone is called the epiphysis. Both the epiphysis and the epiphyseal plate are the growth areas of the immature long bones of the limbs, and they are also the most important parts of the growth of children's bones. Congenital abnormalities of the epiphysis or injury to the epiphysis can cause growth failure of the metaphysis, resulting in shortened limbs or joint deformities. [0003] At present, for limb deformities caused by epiphyseal dysplasia or epiphyseal injury, osteotomy plus plate and screw surgery is often used. This method has great damage to the bone quality of children, and the incidence of postoperative complications is high, including infection, deformity recurrence, Overcorrection, plate fracture, delayed union and...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a four-sided butterfly steel plate for epiphyseal locking in children, which is used to solve the problems of large bone damage and high incidence of complications in the prior art

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