Why do some surgeries take so long (like upwards of 24 hours)? What exactly are they doing?
In: Biology
You should search on YouTube complete knee replacement. There is a video somewhere shows step by step. Spoiler, it involves lots of bone cutting and smoothing and adjustments. (Cut here, adjust and file, cut, test, adjust and file etc). Just time consuming.
I’m sure a surgeon can answer better than me, but seeing surgeries on Youtube, the difference between cutting up a cattle and performing surgery is that you are taking care not to damage something else during the act of surgery. Attention to detail and careful movements.
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