Child DDH femur proximal osteotomy guide plate and use method thereof

Abstract

The invention provides a child DDH femur proximal osteotomy guide plate and a use method thereof. Two femur plates following the shape of femur are arranged up and down, and a gap is formed between the two femur plates; the two femur plates are connected at the gap by a connecting part; a first osteotomy groove which is vertical to a femoral shaft is formed on the upper femur plate; an inclined second osteotomy groove is formed on the lower femur plate; and a plurality of Kirschner pin positioning holes are respectively formed in the two femur plates. The proximal osteotomy guide plate integrates positioning, guiding and distance measurement into a whole, not only can improve safety and accuracy of an operation, but also can shorten the operation time. In addition, excessive X-ray radiation can be avoided, more accurate osteotomy guiding is provided for clinicians, and the purpose of individualized treatment of children DDH is achieved. Moreover, functions of hip joints of patients areimproved, development of acetabulum again is promoted, the purpose of curing hip joint deformity or postponing occurrence of hip joint osteoarthritis is achieved, and the disability rate of patientsis reduced.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a 3D printed guide plate device for precise osteotomy of the proximal end of the femur in children with developmental dysplasia of the hip. Background technique [0002] Developmental dysplasia of the hip (DDH) is a disorder of the hip joint that appears in infancy or childhood, with an incidence of about one in a thousand surviving newborns. Many reports indicate that DDH osteotomy is complicated to operate and has a long learning curve. The success of the operation is closely related to the reasonable choice of the operation method and the experience of the surgeon, which is prone to errors in deformity assessment. [0003] Among the various pelvic osteotomies for DDH, the modified Pemberton and Dega acetabular pericapsular osteotomies are most frequently used. However, regardless of the operation method, the surgeon needs to cut the osteotomy by hand with his experien...

AI Technical Summary

Problems solved by technology

However, regardless of the operation method, the surgeon needs to cut the osteotomy by hand with experience. The disadvantage of this is that the osteotomy is used for complex orthopedic surgery, which has large errors, inconvenient operation and low efficiency.

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