Intraosseus dental anesthesia apparatus and method
AssigneesRaymond Joseph Alexandre, Richard P. Masel
InventorRaymond J. Alexandre
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Abstract
An apparatus for the intraosseous administration of a dental anesthesia comprising, in a single unit, drilling means, a connecting flange, and a mandrel for removable engagement with a notable power source, all lying on the same central axis; a mandrel for fabrication of such apparatus from a conventional disposable dental needle; a kit including such apparatus in combination with a disposable dental needle and a hypodermic syringe; and a method for using such apparatus.
Claims12
An apparatus for enabling the intraosseous injection of dental anesthesia comprising:
- means for drilling a hole in a jawbone comprising a hollow needle of from about 25 to 35 gauge having a drilling end with a substantially smooth and uniform cylindrical surface and a beveled tip and attached end, said bevelled tip being formed by a single planar cut through said hollow needle at an angle of 15 to 75 degrees to the longitudinal axis of said hollow needle;
- a connecting flange to which the fastened end of said drilling means is permanently fastened;
- and
- a mandrel lying on a common axis with said drilling means, having a free end adapted for engagement with a dental handpiece and a fastened end which is permanently or removably fastened to said connecting flange, projecting in a direction opposite to said drilling means.
A mandrel comprising a rod of 10 to 25 mm length with a diameter of about 1.5 to 2.5 mm having at one end thereof an annular mandrel collar threadably engaged with a cuplike hub having affixed thereto a disposable 25 to 35 gauge dental needle about 4 to 12 mm in length, said needle being hollow and having a bevelled tip formed by a single planar cut through said needle at an angle of 15 to 75 degrees to the longitudinal axis of the needle.
Dependencies are inferred from the claim text.