Quines són les habilitats de l'operació d'agulla de perforació d'os?

The basic sequence of bone threading operation is "reduction. threading, fixation adjustment". ( l ) Repositioning first is crucial: Blind acupuncture without repositioning can easily cause blunt laceration of the soft tissue of the limb under the pulling and rotation, and even the blood vessels and nerves are punctured by bone needles. Even after needle insertion, there will be skin around the needle, muscle tension, severe pain, and in more severe cases, skin necrosis, which also increases the difficulty of installing the frame fixer. The fracture reduction sequence is "shortening displacementrotational displacement. Lateral displacement. Separation displacement. Angular displacement". ( 2 ) Bone threading skills: ① Drilling method; ② Hammering method is only suitable for the cancellous bone area, not for the compact bone area. (3) Install the frame fixator: The connecting rod is as close to the limb as possible, which can shorten the fixed needle body from the bone to the connecting rod, and enhance the rigidity of the fixed needle. However, when the connecting rod is close to the skin, it is easy to affect the drainage of the needle hole, resulting in infection of the needle hole, and pressing the skin will also cause the necrosis of the pressed skin. Therefore, the distance between the connecting rod on the anteromedial aspect of the tibia and the ulnar side is preferably 1.5 cm from the body surface; the distance between the connecting rod on the dorsal side of the forearm flexural bone and the body surface can be slightly relaxed to 2.0 cm; the connection between the medial and lateral thighs The distance between the rod and the body surface can be relaxed to 3.0 cm.

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