Is it permissible to do an operation on the heart valves using pigskin?

No File Exists
Check below answers in case you are looking for other related questions:
Ruling on objects made from animal skins
Wearing leather coats

No File Exists
Related Answers:
Ruling on hair transplants for the beard
If a sick person refuses treatment and bears it with patience, will he attain the reward?
Cosmetic surgery for the breasts
Ruling on objects made from animal skins
Wearing leather coats

Recommended answers for you:
Description of al-hoor al-‘iyn in the Qur’aan and Sunnah
Description of wudoo’
Times of the five daily prayers
Wife complaining of husband’s mistreatment
Places and times where du’aa’ is answered