JPS6327692Y2 - - Google Patents

Description

[Detailed description of the invention] The present application relates to a dental light that has an optical guide extending forward from the tip of a hand-held member and illuminates the inside of the oral cavity by emitting a light beam from the tip. It is designed to easily obtain blue light, which is effective for coagulating dental filling materials, green light, which is effective for identifying tissue discoloration, and black-purple light, which is effective for periodontal disease.

The embodiments of the present application will be described in detail below with reference to the drawings.
The dental light consists of a hand-held member A that emits a light beam and a joint member B that has a light source section at its tip, which are rotatably and detachably connected. The outer cylinder body 1 is assembled by screwing together the rear end of the cylindrical grip part 3 having a through hole 2 along its center.
and the gripping part 3, and a long cylindrical conduit 4 whose front end is slightly bent downward is inserted into the through hole 2 so that the outer periphery of the rear surface is connected to the inside of the rear part of the gripping part 3. and within the conduit 4,
A light guide 5 made of an optical fiber is inserted over its entire length, and a fitting cylinder 7 having a fitting recess 6 opening at the axial center on the front and rear surfaces is fitted into the outer cylinder 1. The fitting cylinder 7 is attached to the rear end of the outer cylinder.
A connecting tube 11 is provided concentrically with a small gap 9 on the outer periphery of a thin protruding ring 8 with a small outer diameter that extends to the rear end, and a connecting tube 11 with an annular groove 10 formed around the outer periphery is attached to the tightening ring. 12, and in the axial direction of the peripheral edge of the fitting cylinder 7, the front and rear ends communicate with the front and intermediate parts of the fitting recess 6, respectively, and the air supply hole 13, and the front end communicates with the fitting recess 6, respectively. An exhaust hole 14 is provided which communicates with the recess 6 and whose rear end communicates with the gap 9 formed by the protrusion ring 8 and the connecting tube 11. A cap-shaped filter member 15 is removably attached to the distal end of the conduit 4 of the hand-held member B constructed in this manner via an O-ring 16.
7 and a closing part 18, at least the closing part 18
is made of transparent synthetic resin or glass.

In the present application, the filter member 15 has a closing portion 18 colored in blue, green, and blackish purple, respectively.
is attached to the tip of the conduit 4 depending on the purpose of use.

On the other hand, the joint member B has a lamp cartridge 20 as a light source at the tip of the shaft cylinder 19, and an insertion cylinder 21 fitted into the fitting recess 6, and a ball 2.
and a connecting mechanism 23 rotatably and detachably connected to the connecting cylinder 11 via the shaft cylinder body 1.
A flexible hose 24 having a cooling air supply pipe and an electric wire inserted therein is connected to the rear end of the joint member B and the hand-held member A configured in this way are connected to each other via a connecting mechanism 23. As shown in FIG. 2, the lamp cartridge 20 is rotatably and detachably connected so that the front end face faces the rear end face of the light guide 5, and when the lamp in the lamp cartridge 20 is energized, the light beam is transmitted to the light guide 5. The inside of the oral cavity is illuminated through. When a dental light is used to solidify the dental filling material filled into a tooth, a blue filter member 15 is attached to the tip of the conduit 4. Then, the light beam from the lamp cartridge passes through the light guide 5 and the filter member 15 to obtain a blue light beam, and the filling material is irradiated with this blue light beam to solidify it. Furthermore, when identifying discoloration of tissue in the oral cavity, a green filter member 15 is attached to the tip of the conduit 4, and when identifying the presence or absence of periodontal disease, a black-purple filter member 15 is attached to the tip of the conduit 4. As a result, green light or black-violet light can be obtained, respectively. Further, when illuminating the inside of the oral cavity with less shadow, a white or transparent filter member 15 is attached to the tip of the conduit 4.

As described above, according to the present application, the hand-held member having the light guide along the axis and the joint member having the light source at the tip of the axis are removably connected.
It is convenient for replacing the light source, and by attaching and detaching a filter member to the tip of the conduit in which the light guide is embedded, blue light that is effective for coagulating dental filling materials and discoloration of oral tissues can be produced. It is very easy to obtain green light, which is effective for identifying periodontal disease, and black-purple light, which is effective for identifying periodontal disease, making it effective for dental treatment work, and it is economical because only the filter member needs to be replaced. It has the following advantages.

[Brief explanation of the drawing]

The drawings show an embodiment of the present application, and FIG. 1 is an overall side view, and FIG. 2 is an enlarged vertical sectional view of the main part. In the figure, 4 is a conduit, 5 is a light guide, 15 is a filter member, 20 is a lamp cartridge, A is a handheld member,
B is a joint member.

Claims (1)

[Scope of claims for utility model registration] (1) A hand-held member having a light guide along its axis;
A joint member having a light source at the tip of the shaft core is removably connected to guide the light beam from the light source to the tip of the hand-held member via a conduit in which a light guide is embedded, and the tip of the conduit A dental light comprising a cap-shaped colored filter member attached removably. (2) The dental light according to claim 1, wherein the filter member is blue, green, or blackish-purple. (3) The dental light according to claim 1 or 2, which uses a lamp cartridge as a light source.