<prompt> What is the Size of this blade used in incision and Drainage11 size13 size15 size22 size  <response>: There are 3 blades commonly used by Surgeons: - 11 size- For Incision and Drainage of Abscess, Aeriotomy 15 Size- For precise cosmetic incisions 22 Size- For Long Incisions and Laparotomy Incisions Ref:- Surgery Sixer 3rd Edition; Pg num:- 39 