[jac241]

They tunnel it in the subq until the abdomen then they make a tiny incision in the peritoneum and depending on the neurosurgeon may have general surgery take a look laparoscopically to make sure there’s CSF flow then use the grasper to try to toss it in the right pericolic gutter over the liver.

[sizzle]

How do they avoid bacteria from going up a shunt to the brain?

[serf]

I thought that was an interesting question as a layman. I found this, which I thought was an interesting read. [0]

[0]: https://www.sciencedirect.com/topics/medicine-and-dentistry/...

[jac241]

There’s generally no bacteria outside of the food tube though it certainly could happen the way you describe if there happened to be.