How does mandibular nerve block anesthesia ability hit accurate ah

Mandibular nerve block anesthesia is suitable for the diagnosis and radiofrequency treatment of facial pain, such as SARS model facial pain, bineminal neuralgia, etc.

1. Injection marks and methods

(1) Use number 21 first

(2) The rubber plate is fixed 1cm away from the skin, and the depth is marked. Then the needle is removed subcutaneously, and the injection needle is redirected backward, upward and inward by 15 degrees, and pushed to the marked depth. The tip of the needle is near the inner ovule after the superior wall of the inferior temporal fossa.

(3) Blood was drawn back and 3-4 ml of anesthetics was injected.

2. Anesthesia area and effect: ipomalateral mandibular teeth, tongue, bottom of mouth, mandibular and perimaxillary tissue, maxillary ascending muscle group and temporal skin were anesthetized. It usually lasts about 2 hours.

Sometimes, it will fail, mainly because the puncture point - injection Angle - or injection depth is not correct, the puncture point is too high, through the sigmoid notch; If the puncture point is too far forward, the penetration depth will soon touch the bone wall of the leading edge of the ascending ramus. If the Angle is too small, the needle may pass the posterior margin of the ramus or be located inside the ascending ramus without touching the bone wall.

You have to remember to control the Angle, 1 cm above the tooth surface, between 4 and 5!

According to personal habits, with one stitch, or two stitch, to find the precise needle point

Everyone's mandibular Angle Angle is different, the length of the mandibular ramus is different, so the Angle and depth of the needle are different, can not be treated as the same, the thing on the textbook is dead, but the person is alive, to flexible strain, master good skills.

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