In medicine, just like in any other industry, introducing a new thing doesn't guarantee everything can be cured.
It's like when the market brings out a steam-bake integrated machine claiming it can represent all similar machines, yet it cannot even achieve the fast heating function of a microwave. The irresistible advertisements lure people in.
Whether it's hospitals or medical device companies offering new technology, indeed they benefit the patients with suitable indications. On the other hand, doctors, like homemakers, face the reality of the limitations of new technology.
She is just a student without much practical knowledge like clinical doctors, it's obvious that if this child patient needs surgery for rescue, they can only perform open chest surgery.
Open chest is different from thoracoscopy, it's a large incision.
Knock knock, someone knocks on the rescue room's door, perhaps knowing the leader is directing matters inside and daring not to enter freely.
