Perkins mastoid retractor
Mollison’s mastoid retractor
Jansen’s self-retaining mastoid retractor
Ans: A. Perkins self-retaining mastoid retractor
This self-retaining mastoid has three prongs of equal sizes in one blade and a single flat broad prong on the other blade.
The single flat broad prong is useful in retracting skin away from the surgical site.
It is very useful in retracting canal skin during ear surgeries.