Necessity is the Mother of Invention.

A well executed transseptal puncture is crucial for successful percutaneous transvenous mitral balloon valvotomy. We report a case of accidentally damaged Mullins sheath dilator. Due to immediate unavailability of another dilator at cardiac catheterization laboratory, angioplasty guidewire and balloon was used as an additional assisting armamentarium for successful percutaneous transvenous mitral balloon valvotomy.