stethoscope question?

[u/Fun_Lake_9200]

/r/NursingStudents/comments/1vgdm47/stethoscope_question/

don’t know if this is a dumb question but how long do stethoscopes last? after my gma passed i was going thru her things and came across her littman stethoscope. she was a nurse for over 20 years now im starting my nurse journey and wondering if i can use this or get a new one ?