How does medical puncture needle do the process
Jul 27, 2022
Clinically, deep vein puncture mainly includes internal jugular vein, subclavian vein and femoral vein. The following uses internal jugular venipuncture as an example to illustrate the procedure of deep venipuncture catheterization. 1. Position: the patient is placed in a supine position with the head low, the shoulder and back of the puncture side are slightly padded high, and the head is turned to the opposite side to extend the neck. 2. Location of puncture point: Generally, the apex of the triangle surrounded by the sternocleidomastoid bone, clavicle head and clavicle is selected as the puncture point. 3. Sterilize the sheet and perform local infiltration anesthesia layer by layer. 4. Try it on with a 5ml syringe. The tip of the needle points to the junction of ipipelateral papilla and the middle and inner 1/3 of the clavicle. 5. Insert the puncture needle according to the Angle, direction and depth of the fitting needle. 6. Insert guide wire. 7. Expand the skin incision, introduce the catheter with a guide wire, draw back the blood in the catheter, verify that the catheter is in the vein, connect the infusion set, fix the catheter, and cover the puncture point with sterile dressing. 8. X-ray film was taken to determine the position and direction of the catheter.
Methods and procedures of thyroid puncture surgery: First, conventional surgical thyroid puncture is generally carried out under the guidance of color ultrasound, with accurate positioning and high puncture success rate. Two, the neck thyroid skin, the application of iodophor disinfection three times. Three, sterile cloth or surgical sheet. 4. Get the puncture needle ready. Under the guidance of color ultrasound, the puncture needle will reach the thyroid puncture tissue for puncture. Exit the needle after successful puncture. Five, after the application of iodophor disinfection, gauze bandage tape fixed. 6. Put the punctured thyroid tissue into medical alcohol or formaldehyde solution to fix the punctured thyroid tissue and send it to the pathological examination room. The nature of thyroid puncture tissue was determined by pathological examination
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