JP2002113054A - Odontotherapy chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foot rest of an odontotherapy chair easy to get on and off and enabling accurate odontotherapy to perform by placing feet on the foot rest when making an occlusal adjustment. SOLUTION: When this odontotherapy chair 1 is lifted from a getting-on/off position into a treatment position, the footrest 15 is extended forward from the lower end part of a leg rest 14 to place feet thereon. When a patient's feet are placed on the footrest 15, the accurate occlusal adjustment can be made in the state of the soles of the feet being placed on the floor in the same way as the time of a usual meal. When lowering the chair 1 after the completion of the treatment, a switch for lowering the chair 1 from the treatment position down to the getting-on/off position is operated. Then the footrest 15 is enclosed on the back side of the leg rest 14, and in this state, the chair 1 is lowered. The footrest 15 does not therefore get in the way when getting on and off the chair 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental treatment chair, and more particularly, to a dental treatment chair having a footrest, wherein the footrest does not obstruct the getting on and off when getting on and off the dental treatment chair. In addition to making it easy for elderly people and people with physical disabilities to get on and off,
It is possible to sit (fit a foot on a footrest) in a state suitable for dental treatment so that accurate dental treatment can be performed.

[0002]

2. Description of the Related Art FIG. 3 is a view showing the configuration of a main part of a dental treatment unit having a dental treatment chair to which the present invention is applied. In FIG. Box 3, reference numeral 4 is an instrument holder, reference numeral 4 is an instrument holder, reference numeral 5 is an instrument, reference numeral 6 is a work table, reference numeral 7 is an operation panel, dental treatment chair 1 is an abutment table 11, a backrest 12, a contour seat 13, a leg. As is well known, the treatment chair 1 is in the lowest position during standby, and the patient rides on the treatment chair 1 in this state. By operating a switch on the panel 7, the treatment chair 1 is moved up and down, started up, tilted, and the like, so that the patient is treated in a posture that facilitates treatment.

[0003]

As described above, in the conventional dental treatment chair having the footrest 15, during treatment, the patient places the foot on the footrest 15 and receives the treatment. The footrest 15 gets in the way. In particular, an elderly person, a physically handicapped patient, a patient who has difficulty raising their legs, or the like approaches the treatment chair 1 from the front to the back and sits down directly on the contour sheet 13. It is obstructive, and it is difficult to put the buttocks on the contour sheet 13. Of course, without the footrest 15, it is easy to get on and off the treatment chair 1. However, when the treatment chair 1 is raised during treatment, the legs become dangling and the patient receives treatment in an unstable state. However, there is a problem that accurate dental treatment cannot be performed. In particular, when adjusting the mouth bite, if the patient's feet were floating in the air, it was not possible to perform an accurate mouth bite adjustment unlike the actual eating state, that is, the state in which the feet were on the floor.

[0004] The present invention has been made in view of the above-described circumstances, and when getting on or off a dental treatment chair, the footrest can get on or off without obstruction, and when sitting on the treatment chair, the footrest can be placed on the footrest. An object of the present invention is to provide a dental treatment chair capable of performing accurate dental treatment by placing a foot on the dental treatment chair.

[0005]

According to a first aspect of the present invention, there is provided a dental treatment chair having a legrest, a footrest, and the like, wherein the footrest is rotatable at a lower end portion of the legrest. Attached, the footrest is when the treatment chair is lowered to the getting on and off position,
Dental treatment, wherein the footrest is housed behind the leg rest and the footrest extends forward of the legrest and rests a foot when the treatment chair is raised and in a treatment position. Chair.

According to a second aspect of the present invention, in the first aspect of the invention, when the switch for moving the treatment chair from the treatment position to the getting on / off position is pressed, the footrest is stored on the back side of the leg rest. Then, when the treatment chair is lowered and the treatment chair is raised from the getting on / off position to the treatment position, the footrest extends forward of the leg rest to put a foot thereon.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic diagram showing a main part of a dental treatment chair according to an embodiment of the present invention, showing a state of the dental treatment chair during mouth bite adjustment. When adjusting the mouth bite, the patient performs the mouth bite adjustment with the foot resting on the footrest 15, that is, in a stable state with the foot on the floor as in a normal meal. When the treatment is completed, for example, the operation switch is operated to lower the treatment chair 1 from the treatment position to the getting on / off position. At this time, in the present invention, before the treatment chair 1 starts descending, the footrest 15 is moved to the arrow A. As shown by, the treatment chair 1 is stored on the back side of the leg rest 14, and thereafter, the treatment chair 1 is lowered.

FIG. 2 is a mechanism diagram for explaining an example of a drive mechanism of a footrest of a dental treatment chair according to the present invention.
In the drawing, 17 is a motor for rotating the footrest 15, 18 is a rotating shaft for transmitting the rotation of the motor 17 to the rotating shaft of the footrest 15, 19 is a worm gear connected to the rotating shaft 18, and 20 is a worm gear. A rotary shaft having a worm wheel meshing with the worm gear 19, the footrest 1
5 rotates integrally with the rotation shaft 20 in the direction of arrow B. At the end of the treatment, when getting on and off the treatment chair 1, for example, a switch for lowering the treatment chair from the treatment position to the getting on / off position is operated, the motor 17 is operated, and the rotation of the motor 17 is controlled by the rotation shaft 18 and the worm gear. Rotating shaft 2 by 19
Transmitted to 0, by rotating the pivot shaft 20, moves the footrest 15 in the direction of arrow B _1, as indicated by a chain line, housed in the back of the leg rest 14, to lower the treatment chair 1 . Therefore, when the treatment chair 1 is lowered to the getting on / off position, the footrest 15 is not present in front of the leg rest 14, and the patient can get off without the footrest 15 being in the way. Since the treatment chair 1 is in a waiting state for the next patient in this state, the next patient can get on the treatment chair 1 in this state, and accordingly, the treatment chair 1
The footrest 15 does not get in the way when riding. After the patient sitting in the treatment chair 1, the treatment chair 1 by operating the switch to raise the treatment position from the landing position, when raised to the treatment location of treatment chair 1 from landing position, footrest 15 at arrow B ₂ As shown in the drawing, the leg rest 14 is extended forward and the foot is placed, and the treatment is performed in this state.

[0009]

As is apparent from the above description, according to the present invention, when the treatment chair descends from the treatment position to the getting on / off position, the treatment chair is lowered by storing the footrest behind the leg rest. When the child rises from the getting on / off position to the treatment position, the footrest extends in front of the leg rest and puts his / her feet on, so that when getting on / off, the footrest does not disturb the getting on / off of the elderly or the disabled. It is easy to get on and off, and at the time of dental treatment, you can receive treatment with your foot on the footrest,
In particular, when performing mouth bite adjustment, the feet are placed on the footrest, so in the same state as when actually eating,
That is, the mouth bite adjustment can be performed while the foot is placed on the floor, and accurate mouth bite adjustment can be performed.

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating a main part of an operation example of a footrest of a dental treatment chair according to the present invention.

FIG. 2 is a mechanism diagram for explaining an example of a drive mechanism of a footrest of a dental treatment chair according to the present invention.

FIG. 3 is a main part configuration diagram for explaining an example of a dental treatment unit having a dental treatment chair to which the present invention is applied.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Dental treatment chair, 2 ... Water supply / drainage and control box, 3 ... Spitton, 4 ... Instrument holder, 5
... instrument, 6 ... work table, 7 ... operation panel, 11 ... rest, 12 ... back rest, 13 ... contour seat, 14 ... leg rest, 15 ... foot rest,
Reference numeral 16: base, 17, motor, 18: rotating shaft, 19: worm gear, 20: rotating shaft (with worm gear).

Claims (2)

[Claims] 1. It has a legrest, a footrest, etc.,
And in a dental treatment chair that can move up and down, the footrest is rotatably attached to the lower end of the leg rest, and the footrest is located behind the leg rest when the treatment chair is lowered to the getting on / off position. When the treatment chair is raised and in the treatment position,
The dental treatment chair, wherein the footrest extends in front of the leg rest and puts a foot thereon. 2. When the switch for moving the treatment chair from the treatment position to the getting on / off position is pressed, the footrest is retracted behind the leg rest and the treatment chair is lowered, and the treatment chair is placed in the getting on / off position. The dental treatment chair according to claim 1, wherein the footrest extends in front of the leg rest and puts a foot when the footrest is raised from the to a treatment position.