Preparation of humerus in cold pathology

The gauge is fixed by means of two pins and displays a slit in which the oscillatory saw can slip. Positionning of humeral rod It is suitable to choose the right size for prosthesis as its centro medullar rod must meet the best possible closeness to the humerus. We must open a gradual passage by using drills of diameters increasing from 8 to 10, 12 and 14 mm in the place made for the centro medullar rod of the section guide. Last drill used helps to define the size of the permanent prosthesis.