VENTED DIRECTIONAL DELIVERY CANNULA WITH OPENINGS OF DEFFERENT SIZE AND SHAPE FOR USE WITH FLOWABLE MATERIALS AND METHOD FOR USE THEREOF

摘要

In one preferred aspect, a cannula is provided that has openings of different size to permit a surgeon to selectively control the distribution pattern of a flowable material through the cannula and into a patient. In another aspect, a cannula is provided that has openings of different shape to permit a surgeon to selectively control the distribution pattern of a flowable material through the cannula and into a patient. In another aspect, a method is provided for selectively controlling the distribution pattern of a flowable material through a cannula having openings of different size into a patient. In yet another aspect, a method is provided for selectively controlling the distribution pattern of a flowable material through a cannula having openings of different shape into a patient.