A bone-handling device for large segmental bone defect of femur

A technology for transporting a device and segmental bone is applied in the field of devices for treating large segmental bone defects of the femur, and can solve the problems of poor mechanical stability of a single-rod external fixation bracket, inability to early load the affected limb, and inability to adjust the force line, etc., so as to avoid the force line. Poor, convenient clinical care, good patient compliance
CN105476701BInactive Publication Date: 2018-03-09AFFILIATED YONGCHUAN HOSPITAL OF CHONGQING MEDICAL UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
AFFILIATED YONGCHUAN HOSPITAL OF CHONGQING MEDICAL UNIV
Publication Date
2018-03-09
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a bone transport apparatus for treatment of large segmental defect of femur. The bone transport apparatus comprises a main intramedullary nail, a fixation support, a plurality of set screws and a plurality of transport needles. The intramedullary nail used for being driven into bones axially is linear and is provided with lock holes at two ends, and the lock holes are matched with general set screws. Two ends of the main intramedullary nail are provided with set screw holes. The lock holes and the set screw holes are formed in the same plane. Rear ends of the set screws are connected with the fixation support while front ends of the set screws are matched and connected with the set screw holes in the main intramedullary nail. The transport needles, with one ends being implanted into bones needing transport and the other ends being connected with the fixation support, are capable of moving along the axial direction of the main intramedullary nail.
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Description

technical field

[0001] The invention relates to a device for treating large segmental bone defect of femur by bone transport. Background technique

[0002] A large segmental defect of a long bone is one in which the fracture does not heal spontaneously or only regenerates 10% of the bone, typically 2-3 times the diameter of the involved long bone. Large-segment bone defects are usually caused by high-energy trauma, infection, tumors, etc., often accompanied by limb shortening, deformity, osteomyelitis, muscle atrophy, and stiffness of adjacent joints. Its repair treatment has always been one of the biggest problems in the field of orthopedics. According to statistics, in Germany, bone graft surgery is one of the top 50 treatments that patients receive most frequently; in the United States, about 800,000 patients need bone graft surgery every year; 3 million cases; large bone defects have brought huge physical and mental injuries and economic burdens to patients, so how to s...

Claims

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