What does it mean if a disposable medical lumbar puncture needle fails?

Psychological interventions should be performed for lumbar puncture.

Preoperative psychological intervention Explain to the patient the purpose and procedure of lumbar puncture, the special intraoperative position and possible discomfort, understand the patient's worries and concerns through conversation, and then implement patient and meticulous psychological guidance to eliminate the patient's fear and nervousness, gain their trust, and make the patient fully psychologically prepared.

Intraoperative psychological intervention Instruct patients to maintain a low, bowed, knee-hugging posture. Avoid moving during puncture. If you have to cough, inform the doctor first and suspend the operation to avoid damaging tissues and moving the puncture position, and report to the doctor at any time if you feel uncomfortable. Observe closely the changes in the patient's complexion, mental status and vital signs and be prepared for any resuscitation.

Postoperative psychological intervention Comfort the patient and praise the patient's cooperation. Advise the patient to lie flat on the pillow for 4-6 h and fast temporarily to avoid leakage of cerebrospinal fluid from the needle eye of the subarachnoid space, which may cause headache and dizziness, nausea and vomiting. Notify the physician promptly if there is discomfort.

If the lumbar puncture fails, the doctor can only obtain the data needed for diagnosis and treatment by other methods.