Preoperative cannulated screw simulation fixing device for orthopedic department

Abstract

The invention relates to a preoperative cannulated screw simulation fixing device for the orthopedic department. The preoperative cannulated screw simulation fixing device comprises a first simulationskeleton, a second simulation skeleton and a simulation clamp sleeve, wherein the axial position of the first simulation skeleton is fixedly arranged, and a plurality of first reserved holes are formed in the surface of the first simulation skeleton; the bottom of the second simulation skeleton is connected with a linear displacement mechanism, the linear displacement mechanism is arranged in thedirection parallel to the axis of the first simulation skeleton, and thus the second simulation skeleton moves linearly in the axial direction of the first simulation skeleton; a plurality of secondreserved holes are formed in the surface of the second simulation skeleton; and the simulation clamp sleeve is suitable for being inserted into the first reserved holes and the second reserved holes.The preoperative cannulated screw simulation fixing device is reasonable in structural design, a doctor can simulate the connection positions of a connecting plate and cannulated screws according to the specific details shot by CT and preliminarily simulate the force bearing situation of the cannulated screws, thus the connecting plate and the cannulated screws are fixed more accurately and more reasonably, the sense of pain brought to a patient after the cannulated screws and the connecting plate are connected is reduced, and thus the fracture part is accurately guided and fixed.

Description

technical field [0001] The invention relates to a preoperative orthopedic hollow nail simulation fixation device. Background technique [0002] In orthopedic surgery, it is often necessary to use hollow nails to connect the connecting plate to the injured part of the fracture. The doctor needs to take a CT scan of the injured part before the operation, and then according to the specific details of the CT film, the doctor performs the operation in combination with his own experience. However, sometimes due to the changeable fracture situation, there may be slight deviations in the joint position of the connecting plate and the hollow nail during the operation, especially for doctors who are not experienced enough, it is often impossible to connect the hollow nail to the connecting plate The best stress-bearing position of the bone. After the hollow nail is connected to the connecting plate, it will cause great pain to the bone, and it will prolong the recovery time of the fra...

AI Technical Summary

Problems solved by technology

[0002] In orthopedic surgery, it is often necessary to use hollow nails to connect the connecting plate to the injured part of the fracture. The doctor needs to take a CT scan of the injured part before the operation, and then according to the specific details of the CT film, the doctor performs the operation in combination with his own experience. However, sometimes due to the changeable fracture situation, there may be slight deviations in the joint position of the connecting plate and the hollow nail during the operation, especially for doctors who are not experienced enough, it is often impossible to connect the hollow nail to the connecting plate The best stress-bearing position of the bone. After the hollow nail is connected to the connecting plate, it will bring great pain to the bone, and it will prolong the recovery time of the fracture site. In severe cases, the fracture site may not be healed accurately

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