I particularly enjoyed the stripped-back visual style, and it was easy enough to get to grips with which surgical instrument to use where. The use of the candle to make a discovery was ingenious, and I did like the fact that once I knew what was there, I didn't have to go back with the candle to reveal it every time.
That being said, I struggled with the order of the injuries. Eventually I managed to figure out three in the first set, but while trying to figure out the fourth, the results screen would often only show two of the three I had already verified as correct. With this happening, it felt impossible even to brute force the first stage to progress to the next part.
I felt like I had no information to work with, which was a real shame as I wanted to get into the story and figure out what had actually happened to Ifu. For instance, it didn't really make sense to me that a plane crash severe enough to cause broken ribs wouldn't also result in broken bones elsewhere; I didn't feel I could safely make that assumption. A more minor annoyance was that I couldn't save my progress and had to return to the very beginning of the loop each time I guessed incorrectly (and it was guessing, because I didn't have enough to go on to make any well-reasoned deductions). Perhaps the later two sections didn't suffer from the same problem, but I sadly wasn't able to reach them and find out.
The reason I'm leaving this comment is that I genuinely feel invested in the story and would love to be able to play through it properly. If you do end up reworking the game at all, I'd be very interested to play it again! Congratulations on submitting to the jam!