Медијан приступ Метода пункције убодне игле за анестезију за операцију грудног коша – Пин са иглом са оловком за иглу за анестезију

A 25G long injection needle was used to inject 0.25% lidocaine, and the puncture point was intradermal, subcutaneous and deep infiltration anesthetized to reach the supraspinous ligament and interspinous ligament. First pierce the skin and ligaments with a 15G sharp needle, pierce the 19G guide needle or epidural puncture needle into the skin along the eye of the needle, insert the needle to the head at an angle of 30°~60°, pass through the supraspinal ligament, and penetrate the spine Remove the needle core, connect the syringe with 2~3ml saline and a small bubble inside, push the needle core of the syringe, there will be a rebound feeling, while the bubbles shrink and the liquid cannot be injected, indicating that the needle tip has reached the interspinous interspinous zone. The deep ligament may reach the ligamentum flavum.

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