Two things to address:-
1) if the deeper structure like tendons are cut, for that you need to visit a hospital.. (indications:- thumb movements are not normal, restricted thumb movements)
2) if deeper structures are infact, need to look at the wound the tagging sutures are required or a simple band will do..
Next Steps
you beed to forward the picture of the wound site.
Health Tips
compression bandages to stop bleeding before seen by a doctor...