JP2502249B2 - Dental sterilizer - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental sterilizer for sterilizing dental instruments used in a dental clinic.

[Prior art]

[0002] In recent years, after the use of dental instruments, various considerations have been taken to prevent the infection of pathogenic bacteria such as AIDS bacteria via these dental instruments, for example, handpieces. For this reason, dental instruments such as a handpiece attached to a doctor or an assistant table are individually removed and washed.

Conventionally, in order to attach / detach dental instruments to / from a doctor's or assistant's table, usually, a doctor or an assistant removes and uses the handpiece from the table. It was troublesome to apply the treatment of.

In particular, disinfection of dental instruments has attracted attention as part of measures against AIDS bacteria, etc., and all handpieces used for treatment of previous patients and attached to doctors or assistant tables are sterilized. Having a means to sterilize all at once in the device is one of the factors for the next patient to be treated with peace of mind.

[0005]

DISCLOSURE OF THE INVENTION The present invention, when sterilizing these dental instruments, collectively removes the dental instruments from a doctor or an assistant table for each holder,
The holder is attached to the sterilizer, and the dental instrument attached to the holder can be efficiently sterilized by ultraviolet irradiation, and a means for interlocking the attachment of the holder with the opening / closing of the opening / closing door of the sterilizer is provided. It is an object of the present invention to provide a sterilizer provided with the sterilizer.

[0006]

In order to achieve the above-mentioned object, the present invention provides a cylindrical portion provided with an ultraviolet sterilizing lamp inside a storage main body having an opening / closing door on the front surface, and the cylindrical portion is provided to be rotated by the driving means, the center position of the cylindrical portion, yield that can attach and detach the sterilization position and dental instruments attached movable holder serving as the UV sterilizer lamp irradiation position
The holder mounting portion having means positionable between the outer detachable position of the paid body provided, it is characterized in that it comprises means for opening and closing the door with the movement of the holder mounting portion.

The present invention is characterized in that, in the dental sterilization apparatus having the above-mentioned structure, opening / closing of the opening / closing door is controlled by a door engaging piece integrally provided in the holder mounting portion.

[0008]

According to the structure of the present invention, in order to dispose the movable holder in the storage main body for mounting the dental instrument, the holder mounting portion located below the opening / closing door is operated to make the holder mounting portion dental. It moves to the mounting position of the instrument mounting movable holder, and the holder mounting part mounted with the dental instrument mounting movable holder is driven into the storage body.

An ultraviolet sterilization lamp is arranged in a cylindrical part centering on a dental instrument mounted in the housing body, and irradiation of the ultraviolet sterilization lamp from the cylindrical part rotated by a driving means is performed by a plurality of lamps. Sterilize the dental instrument from 360 degrees. The opening / closing operation of the opening / closing door of the dental sterilizer is controlled as the holder mounting portion moves.

[0010]

Embodiments of the dental sterilization apparatus of the present invention will be described below with reference to the drawings. As a dental instrument,
The present invention relates to a dental sterilizer having a configuration suitable for mounting the handpiece-mounting movable holder in a state where the handpiece is supported by the end of the doctor table and the handpiece is mounted on the handpiece-mounting movable holder. .

FIG. 1 shows a part of a medical office related to the present invention. A doctor table B is located on one side of a patient chair A, and an end surface of the doctor table B is A removable handpiece mounting holder 1 is attached to the end face, which supports an appropriate number of handpieces 2. A spittoon C and the like are shown on the other side of the patient chair A.

In FIG. 1, the handpiece 2 used for treatment is detached from the end surface of the doctor table B for each handpiece-attachable movable holder 1, and, for example, for sterilization of the handpiece 2, the sterilizer of the present invention is used. It is illustrated that a plurality of hand pieces 2 are put together in D and are sterilized together by ultraviolet irradiation.

Next, a sterilizing apparatus suitable for sterilizing the handpiece 2 by using the movable holder 1 for attaching the handpiece will be described. The dental sterilizer according to the present invention does not sterilize individual handpieces individually, but efficiently sterilizes a plurality of handpieces 2 in a state of being held by the handpiece mounting movable holder 1. It is a possible dental sterilizer.

FIG. 1 shows a schematic configuration of the entire outer shape of the sterilizer of the present invention. The sterilizer D is a storage body 2
1, and a caster 20 that is movable in the medical examination room is provided on a substrate 22 of the main body 21. FIG. 2 shows the internal configuration of the sterilizer D in the a-a sectional view of the sterilizer D shown in FIG. 1. FIG. 3 shows a state in which a holder mounting portion, which will be described later, is pulled out from the inside of the storage body. FIG. 4 is a cross-sectional view taken along the line bb of FIG. 2, and FIG. 5 is a drawing showing the internal configuration of a main part of the sterilizer D as viewed from the front side.

Sterilization irradiating means A equipped with ultraviolet sterilizing lamps 24a, 24b and 24c inside the storage body 21 and having a cylindrical portion 25 rotated by the drive of a motor 23.
If, UV sterilizer lamp 24a, 24b, substantially at the center of the cylindrical portion 25 fitted with 24c, are arranged to be movable horizontally, handpiece attachment of at detachable movable holder 1, door 26 provided on the housing body 21 opened and moved out of the housing <br/> body 21, the after mounting the handpiece mounting the movable holder 1, while closing the door 26 provided on the housing body 21, and moves into the housing body 21 , A door opening / closing control and holder mounting means B arranged at the center of the sterilization irradiation means A having a rotating cylindrical portion 25.

Details of the sterilization irradiation means A and the door opening / closing control / holder mounting means B will be described with reference to FIGS. First, the sterilization irradiation means A includes a cylindrical portion 25 that is driven to rotate and a cylindrical portion 25 on the inner surface of the cylindrical portion 25.
Appropriate number (3 in the embodiment) of ultraviolet sterilizing lamps 24a, 24 capable of uniformly irradiating ultraviolet rays toward the central position of the
b, 24c, a rotary shaft 27 formed at one end of the cylindrical portion 25, a motor 23 for driving the rotary shaft 27, a drive belt 28 for transmitting the motor 23 and the rotary shaft 27, and a substrate 29 side. A known rotary power feeder 30 which draws a current from a connected power source to the rotation side and supplies the current to the lamp.
It is composed of

The door opening / closing control / holder mounting means B is
It can be moved between the sterilization irradiation position inside the storage main body 21 shown in FIGS. 2 and 3 and a position where the handpiece mounting movable holder 1 can be attached / detached outside the storage main body 21. The holder mounting portion 31 and the holder mounting portion 3 which stand upright on both sides of the holder mounting portion 31.
A guide for guiding the movement of the holder mounting portion 31 and a door engaging piece 33 that can be engaged with an engaging member 32 formed at one end of the opening / closing door 26 to open and close the opening / closing door 26 with the movement of 1. It is composed of a member 34 and an opening / closing door 26 that is opened / closed by inserting / removing the holder mounting portion 31.

The holder mounting portion 31 has a structure suitable for arranging the handpiece 2 mounted on the handpiece mounting movable holder 1 in a horizontal state. Therefore, the holder mounting portion 31 and the positioning recess 5 formed on the handpiece mounting movable holder 1 are A positioning protrusion 35 is provided for engagement.

Locking / unlocking means known as means for moving the holder mounting portion 31 between the sterilization irradiation position shown in FIG. 2 and the handpiece mounting movable holder 1 mounting or removing position shown in FIG. A holder locking portion 38 as a means is provided at a position where it abuts on the rear end portion 31a of the holder mounting portion 31.

Therefore, in the state where the holder mounting portion 31 is arranged at the sterilization irradiation position shown in FIG. 2, the opening / closing door is used to move the holder mounting portion 31 from the sterilization irradiation position to the mounting / removing position shown in FIG. An operation part 37 provided at the tip of the holder mounting part 31 located at the lower part of 26.
Is released once to release the locking with the holder locking portion 38 located at the rear end of the holder mounting portion 31, and the holder mounting portion 31 is attached / removed by a spring (not shown). Move to position. Then, by pushing the holder mounting portion 31 from the mounting / removing position to the sterilization irradiation position, the holder mounting portion 31 is pressed.
The rear end portion 31 a is locked by the holder locking portion 38.

The holder locking portion 38 is located at a stop position opposite to the end surface of the holder mounting portion 31 on a horizontal base frame 40 provided so as to project from the base frames 39 located on both sides inside the storage body 21. It is arranged.

The holder mounting portion 31 is moved by the door engaging pieces 33 provided upright on both sides of the holder mounting portion 31.
The guide members 34 arranged on both sides of the base frame 39 are fitted into the guide grooves 39a formed in the base frame 39 and moved. And
The upper surface of the door engagement piece 33 is engaged with and guided by the grooved engagement member 32 provided at one end of the opening / closing door 26.

As is apparent from FIG. 2, the shape of the upper surface of the door engaging piece 33 is such that the opening / closing door 26 is closed when the left end 33a is in contact with the grooved engaging member 32 on the opening / closing door 26 side. A portion 33b that is located at a height that can take a position and gradually increases the opening degree of the opening / closing door 26 from the lower position to the right side, and the right end portion 33c maintains the opening / closing door 26 in a predetermined open state. Formed at height.

The movement of the door engaging piece 33 having the inclined upper surface causes the opening / closing door 26 to open / close. in this case,
Groove engaging member 32 engaged with the upper surface of the door engaging piece 33
Is integral with the opening / closing door 26, the opening / closing door 26 can be opened and closed vertically. At that time, the grooved guide member 41 formed in the approximate center of the opening / closing door 26 in the direction orthogonal to the grooved engagement member 32 is guided by the base frame 42 fixed to the storage body 21 side. The horizontal swing of the opening / closing door 26 is regulated, and the vertical movement of the opening / closing door 26 is guaranteed to be accurate.

In the sterilizing apparatus D having the above-described configuration of the present invention, the sterilization process of the handpiece 2 is performed with the handpiece 2 attached to the handpiece attachment movable holder 1. First, in order to open the opening / closing door 26 located in front of the storage main body 21 of the sterilizer D, the operation unit 3 provided in the holder mounting portion 31 located below the opening / closing door 26.
When 7 is pushed once, the holder mounting portion 31 is unlocked from the holder locking portion 38, and is moved to a position where the handpiece mountable movable holder 1 can be mounted by means such as a spring (not shown). The movement of the holder mounting portion 31 opens the opening / closing door 26 via the door engaging piece 33.

At this position, the movable holder 1 for mounting the handpiece has the positioning protrusion 35 of the holder mounting portion 31.
The holder mounting portion 3 is mounted by engaging the positioning recessed portion 5 with the mounting recessed portion 5, and after mounting, pressing the operation portion 37 of the holder mounting portion 31 into the storage body 21 against the spring.
1 is held by the holder locking portion 38. At this time, the opening / closing door 26 is closed by the movement of the holder mounting portion 31 and the operation of the door engaging piece 33 as described above.

When the motor 23 is driven in this state, the cylindrical portion 25 provided with the ultraviolet sterilization lamp 24 starts to rotate. At this time, since the handpieces 2 projecting from the holder mounting portion 31 and arranged in a horizontal state are located at the center position of the cylindrical portion 25, the rotating ultraviolet ray sterilizing lamp 24 irradiates the ultraviolet ray to the direction of 360 degrees. It is possible to sterilize efficiently in a short time by receiving uniform irradiation from the.

When the sterilization process for the handpiece 2 is completed, the driving of the motor 23 is stopped, and the operating portion 37 provided at the end of the holder mounting portion 31 is pushed once, so that the holder mounting portion 31 becomes the holder locking portion. retention from 38 is released, the holder mounting portion 31 by a spring, Osamu
To move to the outside of the paid body 21. Therefore, the handpiece attachment movable holder 1 is removed from the holder attachment portion 31, and the handpiece attachment movable holder 1 supporting the sterilized and disinfected handpiece 2 is attached to the doctor table B.

[0029]

According to the configuration of the present invention, the dental sterilizer has a holder mounting portion for a movable instrument mounting holder supporting a plurality of dental medical instruments, and the holder mounting portion of the main body for accommodating the medical instruments. It is possible to move between the sterilization irradiation part and the attachment / detachment part of the instrument mounting movable holder while automatically opening and closing the opening / closing door, and at the center position of the storage body, ultraviolet irradiation that rotates around this The lamp has the excellent effect of sterilizing a plurality of dental treatment instruments in every corner in a short time, and is a device that is convenient to handle.

[Brief description of drawings]

FIG. 1 is a perspective view of the inside of a medical examination room showing the outline of a movable holder for attaching a handpiece and a sterilizer of the present invention.

FIG. 2 is a cross-sectional view of the dental sterilizer of FIG. 1 according to the present invention, taken along the line aa, showing the internal structure when the opening / closing door is closed.

FIG. 3 is a view showing a state in which the opening / closing door is opened and the holder mounting portion is moved to the outside in FIG. 2;

FIG. 4 is a cross-sectional view taken along line bb of FIG. 2, showing a state where the holder mounting portion is located inside the storage body.

FIG. 5 is a cross-sectional view of a main part of the dental sterilization apparatus of the present invention viewed from the front side, showing a relationship between a rotatable sterilization irradiation unit and a holder mounting unit.

[Explanation of symbols]

D Dental sterilizer B Doctor table 1 Handpiece mounting movable holder 2 Handpiece 21 Storage body 24 Ultraviolet germicidal lamp 25 Cylindrical part 26 Opening / closing door 31 Holder mounting part 32 Engaging member 33 Door engaging piece

Claims (2)

(57) [Claims] 1. A cylindrical portion provided with an ultraviolet sterilizing lamp is provided inside a storage body having an opening / closing door on the front surface, the cylindrical portion being rotatably provided by a driving means, and the central position of the cylindrical portion. , the yield that can attach and detach the sterilization position and dental instruments attached movable holder serving as the UV sterilizer lamp irradiation position
The holder mounting portion having means positionable between the outer detachable position of the paid body provided, dental sterilizing apparatus characterized by comprising means for opening and closing the door with the movement of the holder mounting portion . 2. The dental sterilizer according to claim 1, wherein opening / closing of the opening / closing door is controlled by a door engaging piece provided integrally with the holder mounting portion.