The 34-year-old had to go under the knife to repair his elbow, with Astana sharing the pictures alongside the caption: Do not look at this Tweet If you have a weak stomach..'
On the day of the crash, Sanchez tweeted his gratitude for the support he received from his followers, writing: 'Thank you very much everyone for the messages of encouragement.
'We have had more difficult moments and we will return as soon as possible !! A hug and see you soon.
'There was a small gap in the road, and I crashed right into it. I have a fracture in my elbow, but I'm more worried about my rib, because I hit the ground on some street furniture.'
After stage 15 of the Tour, Team Sky's Geraint Thomas leads with team-mate Chris Froome in second place, a minute and 39 seconds behind.