The Median Approach Puncture Operation Of Puncture Anesthesia Needles For Thoracic Surgery--Pencil Point Needle Probe Pin For Anaesthesia Needle

Slowly enter the puncture anesthesia needle, repeatedly push the needle core of the syringe to test. Once the ligamentum flavum is broken, there will be a "feeling of disappointment" that the resistance disappears immediately. Extramembranous space. Insert the 25G spinal needle through the guide needle, and then slowly insert the needle a little after encountering resistance, you will feel the resistance suddenly disappear, that is, "the second feeling of loss". Pull out the needle core of the spinal needle, it can be seen that the cerebrospinal fluid flows out slowly, indicating that the spinal needle has entered the subarachnoid space. According to the patient's condition, different doses of different liquid medicines are injected.

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