Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1998-11-20
2000-10-24
Lucchesi, Nicholas D.
Dentistry
Apparatus
Having intra-oral dispensing means
433165, 606 80, 604164, A61C 1702, A61C 302
Patent
active
061357693
ABSTRACT:
An apparatus for intraosseous injection for dental application comprising a hollow drill (1) having a perforation or perforations (2) along its length and a beveled cutting end (3), fitted into a hub (4) of partly circular and partly hexagonal external cross-section and provided with a circumferential lip (5) and a funnel-shaped orifice (6) giving access to the open end of the said hollow drill at its end remote from the said cutting end, and an adapter (7) removably mated with the said hub by means of a matching orifice of substantially hexagonal cross-section and having at its end remote from said orifice a shank (8) shaped to fit into the chuck of a standard contra-angle dental handpiece, and a protective cap (9) fitted over the said hollow drill. After piercing the cortical bone with the hollow drill, the adapter and handpiece are removed leaving an unobstructed passage through the hollow drill to the cancellous bone for the insertion of a conventional dental needle for the injection of anesthetic or other solution to the cancellous bone via the perforations, 2, after which the hollow drill is withdrawn and disposed of.
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