Rosen's knife
•Used to incise external canal wall skin in order to raise tympanomeatal flap
•Used in myringoplasty
•Used in stapedectomy
•Used in other middle ear surgeries
•Used to incise external canal wall skin in order to raise tympanomeatal flap
•Used in myringoplasty
•Used in stapedectomy
•Used in other middle ear surgeries