Combined implanting system for minimally invasive thigh bone

Abstract

The invention relates to a combined implanting system for minimally invasive thigh bone, consisting of a femur neck rear-side fixing plate, a tuberositas rear-side fixing plate, a tuberositas outer-side fixing plate and a femur neck fixing plate connecting body. The tensioning of femur neck, tuberositas and a ball head as well as the positioning and locking of femur trunk are realized by adoptingthe femur neck fixing plate, the tuberositas rear-side fixing plate, the tuberositas outer-side fixing plate, a femur near-end fixing plate and a femur-trunk connecting plate through spherical lag screws or locking lag screws. The invention has the advantages of simpleness in operation, small cut, favorable integral fixing effect, firmness in tightening, no loosening, no potential safety hazards after being used for a long term, convenience for the accurate resetting, no deformation and favorable treatment effect.

Description

technical field [0001] The invention relates to the field of orthopedic medical technology, in particular to a minimally invasive femur combined implant system. Background technique [0002] With the aging of my country's population and the linear increase of fractures in middle-aged and elderly people, relevant data show that the average life expectancy in China has reached 73 years, and the activity level of middle-aged and elderly people is gradually decreasing, which also leads to the incidence of osteoporosis in middle-aged and elderly people. One of the reasons for the gradual increase in the incidence rate, it has been reported in the literature that more than 90% of patients with hip (trochanteric and femoral neck) fractures are over 65 years old, and 3 / 4 of them are women. The traditional treatment method is mainly based on the dynamic hip, that is, the DHS pressurized sleeve goose-head nail. Although its therapeutic effect has long been recognized, it is relatively ...

AI Technical Summary

Problems solved by technology

The traditional treatment method is mainly based on the dynamic hip, that is, the DHS pressurized sleeve goose-head nail. Although its therapeutic effect has long been recognized, it is relatively complicated to install clinically and causes too much damage to the skeleton. The femoral neck and the ball head fixation part It is a tension nail, relatively poor in stability, and there are many product breakages in clinical applications; the tension nail only produces tension after installation, and it is difficult to achieve correct reduction during surgery, and the contact between the bone plate and the bone surface is too large. less, resulting in incorrect reset, unstable fixation, and poor therapeutic effect; the diameter of the head sleeve of the DHS sleeve goose-head nail is 13mm, and the length is 25-30mm. The goose-head nail sleeve basically blocks the medullary cavity between the trochanters, preventing the circulation of blood and bone marrow in the medullary cavity, which also affects the re-growth speed of the fracture, prolongs the healing time, and increases the pain of the patient

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