A case has been registered against a staffer of a private hospital in Thane for allegedly damaging a finger of a 14-year-old boy while trying to remove a metal ring, police said.

The incident took place in June, but a complaint was filed recently. The case under IPC sections 337 (causing hurt by act endangering life or personal safety of others) and 338 (causing grievous hurt by act endangering life or personal safety of others) was registered on August 16 night at the Naupada police station on the basis of the complaint filed by the victim's family, they said.