A senior attending physician, assisted by a nurse.
If the puncture goes smoothly, it definitely takes half an hour. This is still with the attending physician's excellent technical skills, adept hands, and proper nurse cooperation. The patient's condition must be relatively normal.
Otherwise, puncturing will encounter various difficulties. At that time, ultrasound positioning must be used to complete the puncture.
It keeps two or three people busy for at least half an hour, and also involves the use of ultrasound equipment, which is not very cheap but also not extremely expensive, as well as consumables. The final charge is ninety yuan.
Do you think the hospital is at a loss?
Take another example, chest compressions, which many people are familiar with.
That is, the often-mentioned cardiopulmonary resuscitation.