Complex sentence: And sometimes doctors will tell the patient to have a tube surgically inserted into their ear drum to no avail... a tube which puts the patient at constant risk of an ear infection from normal activities like swimming in a lake.
Split into simpler sentences: And sometimes doctors will tell the patient to have a tube surgically inserted into their ear drum to no avail. A tube which puts the patient at constant risk of an ear infection from normal activities like swimming in a lake.