You searched for: “dacryocystorhinostomies”
dacryocystorhinotomy, dacryocystorhinostomy (s) (noun); dacryocystorhinotomies; dacryocystorhinostomies (pl)
A surgically created opening between the lacrimal sac and the nasal cavity: A dacryocystorhinotomy is the surgical creation of a communication between the lacrimal sac and the nasal cavity.

The passage of a probe through the lacrimal sac into the nasal cavity is formed by the procedure of a dacryocystorhinotomy.