US3467100A - Nasal osteotome - Google Patents

Description

NASAL OSTEOTOME Filed Aug. 15, 1967 34 38 INVENTOR.

FRANK F. RUBIN ATTORNEYS- FIG. 5

United States Patent 3,467,100 NASAL OSTEOTOME Frank F. Rubin, 795 Southern Artery, Quincy, Mass. 02169 Filed Aug. 15, 1967, Ser. No. 660,767 Int. Cl. A61b 17/16, 17/24, 17/32 US. Cl. 128305 6 Claims ABSTRACT OF THE DISCLOSURE This invention relates to a hand tool designed to facilitate the production of a lateral osteotomy as well as to serve as a tool to incise the cephalic ends of the nasal bones to permit infracture of the bones in the nose. For this purpose the tool is made with a handle at an end of which is a U-shaped projection one leg of which is adapted to be inserted in a nostril, the other leg being outside in position to be struck by a hammer. For a more complete understanding of the invention, reference may be had to the following description of embodiments thereof, and to the drawing, of which:

FIGURE 1 is an elevational view of a tool embodying the invention;

FIGURE 2 is an edge view of the same. Both FIGURES 1 and 2 show the instrument that is used for incising the nasal bones cephalically and in a horizontal plane;

FIGURE 3 is an elevational view of a slightly modified form of the invention; and

FIGURES 4 and 5 show other modified forms of the invention.

The tools illustrated in FIGURES 3, 4 and 5 are designed for use to incise the bones along the nasomaxillary line either as a continuous vertical or oblique incision with instrument shown in FIGURE 3, or to produce multiple interrupted incisions with instruments shown in FIGURES 4 and 5.

As illustrated on the drawing, the tool consists of a handle with a forked end which is U-shaped, having two parallel legs. One of the legs has a sharp edge for cutting on one or more points to make perforations along the nasomaxillary line thus producing lateral osteotomy to permit infracture of bones closing the roof of the nose while maintaining areas of periosteal integrity.

In the instrument shown in FIGURES 1 and 2 the forked end comprises parallel legs 12 and 14. The end of the leg 12 is curved outward as at 16 and terminates in a sharp cutting edge 18 which projects away from the leg 14 and is perpendicular to the plane of the legs 12 and 14. The leg 14 has an extension 20 projecting away from the leg 12 in the plane of the legs 12 and 14 at right angles to the leg 14. The extension has a plane end face 22 adapted to be struck by a hammer or other striking tool. In using this tool, the leg 12 is thrust into a nostril of the patient until the chisel edge '18 is at the spot where an incision is to be made, the leg 14 being outside of the nose.

When the tool is in place, the end 22 of the leg 14 1s tapped with a hammer.

The tool shown in FIGURE 3 has a handle 10 with a U-shaped end one leg 14 of which has an extension 20 with an end face 22 to be tapped by a hammer. The other leg 24 has on its outer edge a sharp blade 26 projecting away from the leg 14 in the plane of the legs 14 and 24 This tool or instrument may be used to make multiple perforations instead of a straight incision in the nasomaxillary line by merely elevating the handle to permit the point of blade 26 only to perforate along the nasomaxillary line.

The tool shown in FIGURE 4 is essentially similar to that shown in FIGURE 3 except that the blade edge is serrated, forming a series of sharp points which make a line of perforations when the tool is struck. For this purpose the leg 30, which is parallel to the leg 14, has a blade on its outer edge which is serrated to form a series of points 32 arranged to make a series of spaced perforations when the extension 20 is struck on its end face 22.

The tool shown in FIGURE 5 is similar to that shown in FIGURES 1 and 2 except that instead of having a chisel edge 18, the leg 34 has an inwardly curved end portion 36 terminating in a sharp point 38. In each case, the two legs of U-shape are substantially equal in length so that the cutting edge or punching point is in line with the extension 20 and therefore in line with the impact blows of a hammer striking the end 22.

These tools thus facilitate infracture of the bones of the nose by, (a) incising the bones cephalically in a horizontal direction at any point selected by the operator using the instrument shown in FIGURE 1 and entering through the nostril, and (b) incising the bones obliquely along the nasomaxillary line which represents the lateral surface of the nose, using instrument in FIGURE 3 to cut through the bone after placing the blade in through the nostril along the nasomaxillary line and striking the plane end 22. In this manner it facilitates the closing of the nasal roof in a more precise manner and the lateral osteotomy permits the narrowing the nose. When using the modifications of this instrument as shown in FIGURE 4 and FIGURE 5, which is introduced like the instruments shown in FIG- URES 1 and 3, multiple perforations may be made along the nasomaxillary line, permitting closure of the nasal roof and narrowing of the nose, while at the same time, maintaining areas of periosteal integrity.

The tools shown on the drawing are each made in one piece, but if desired, the cutting or punching ends can be made detachable for replacement by a fresh element when the blade or point becomes dull or damaged.

I claim:

1. A nasal osteotome comprising a handle with a forked end, said end having two parallel legs one of which has a sharp element facing away from the other leg, said other leg having an extension projecting away from the first said leg and having an end face adapted to be struck by a hammer.

2. A nasal osteotome as claimed in claim 1, said sharp element being a chisel edge projecting horizontally and away from said other leg.

3. A nasal osteotome as claimed in claim 2, said chisel edge being perpendicular to the plane defined by said legs.

4. A nasal osteotome as claimed in claim 2, said chisel edge being in the plane defined by said legs.

-5. A nasal osteotome as claimed in claim '1, said sharp element being a sharp point.

3 6. A nasal osteotome as claimed in claim 1, said sharp element being series of sharp points in a line in the plane defined by said legs.

References Cited UNITED STATES PATENTS 1,833,365 11/1931 Lamke 128329 2,029,495 2/ 1936 Lowe 128-305 1,392 12/1822 France.

U.S. Cl. X.R.

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