Pooh happens. BUT when not just one but TWO nurses suggest that you sue .... nurses are sticking their neck out when they make a comment like that to you. Evidently the surgeon did something OBVIOUSLY wrong and not according to protocol - or the nurses were incredibly stupid to say anything.
On the other hand .... unless permanent damage of some type is done ... its pretty darn hard to even get an ethical lawyer to take such a case. It HAS to be financially worthwhile for them to do so and w/o some type of obvious or permanent damage being done .... its probably not worth the aggravation.
On the other hand, you could request IN WRITING copies of the ENTIRE surgical procedure records including nurse's notes. Just to shake the surgeon up a bit and rattle the hospital's chain. But expect it to COST you to do so. And probably make them leery of treating you in the future even if you take no action.
Some people are like Slinkies... Not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs.