JPH0710740Y2 - Dental care equipment - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial field of application] The present invention allows the backrest to be undulated,
Equipped with a chair that can be used for dentistry with the backrest upright and lying down, a doctor unit for attaching or placing instruments used by dentists, and an assistant for attaching or placing instruments used by dental assistants. The present invention relates to a dental treatment apparatus capable of moving the state of a cabinet for accommodating an instrument, a device that could not be placed on the doctor unit or the assistant instrument, or a spare instrument, in accordance with the medical treatment posture of the patient. .

[0002]

2. Description of the Related Art As a dental chair in which a conventional backrest can be raised and lowered and a patient is seated on a dental chair in an upright state, or a backrest is laid down and the patient is in a supine state, and in the middle thereof Is a doctor unit for a dental chair described in Japanese Patent Application No. 1-245824, in which the doctor unit is movable along an arcuate rail centered on a point on the plane of the chair. is there.

The doctor unit for a dental chair of Japanese Patent Application No. 1-245824 has many joints so that the doctor unit used in the previous dental chair can be freely moved back and forth, left and right. Therefore, it is possible to prevent that the direction of the doctor unit does not go to the intended direction due to the rotation resistance of each joint, etc., and it was difficult to move it from that place to another place. It was

[0004]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In such a dental chair using a doctor unit, although the doctor unit is easier to use, the assistant instrument used by the dental assistant is a conventional one, Dental assistant takes equipment to use or that the dentist will give to the dentist, travels a great distance to give it to the doctor, moves or reorients the assistant instrument There was a problem that the operation was troublesome.

[0005] Further, although necessary for medical examination, a doctor unit, an instrument that cannot be fully mounted on the assistant instrument, or a spare instrument is conventionally mounted on a wagon with casters. Depending on the place where the dentist and dental assistant interfere with the medical work,
Further, it was difficult to move the wagon due to the resistance between the casters and the floor surface, so it was difficult with one hand, and there were also problems such as having to move with both hands.

[0006] Such a problem is that when a dentist or a dental assistant is performing some medical treatment with one hand or has a device that is difficult to move, the medical treatment is stopped and the device is stopped. On the doctor unit or the assistant instrument, the doctor unit and the assistant instrument must be moved with both hands, the positions and orientations of these must be corrected, and then the tools placed again must be picked up again. There was

The dental examination apparatus of the present invention is an apparatus for solving the above-mentioned problems, and the means therefor are a dental chair in which a backrest can be raised and lowered with respect to a seat portion, and the dental chair. An end of the back surface of the seat near the fulcrum of the seat and the backrest, and an arc-shaped guide rail mounted between this end and the front edge of the seat on a diagonal line, and guided by the guide rail. A doctor unit attached to the tip of an arm that moves in an arc along the side surface of the dental chair, and one end to which the guide rail is attached in the vicinity of an axial fulcrum of the seat and backrest of the dental chair. And an assistant instrument rotatably attached to the distal end of the arm so as to be horizontally rotatable, and is installed on the floor of the dental chair on the backrest side. A cabinet body which has, or may be equipped with pivotally mounted cabinet toward the dental chair-side with respect to the cabinet body.

[0008]

In the dental examination apparatus of the present invention, as will be described later in detail, the doctor unit is provided in an upright posture in which the backrest is erected, a supine posture in which the backrest is laid down, and an intermediate posture thereof. By moving on an arc centered on a point on the plane of the dental chair for medical examination, the doctor unit can be set to the most convenient position for any medical examination.

Further, the position of the assistant instrument is adapted to move along an arc centered around the front edge of the chair, and its direction can be changed. Since the position can be set to the most convenient position, and the cabinet is installed on the back side of the dental chair and the direction can be changed by rotating this, the position of the dentist in each of the above-mentioned medical treatment positions, Also, the dental assistant can reach out of the position and take the appliance on or in the cabinet without moving.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings. 1 is the seat of the dental chair A, 2 is its backrest, 3 is a foot rest, and the backrest 2 is laid down substantially horizontally with respect to the seat 1, and stands up to a position 90 ° from that position. On the left side of the patient sitting in this dental chair A, the cuspida unit 4 for the patient to gargle is provided.
The caspida unit 4 is provided with an armrest 5 on the patient side at a height such that the elbow of the patient sitting on the seat 1 hits.

In this dental chair A, an arcuate rail 7 having a center point α is provided on the rear side of the seat 1 on the side opposite to the side where the doctor unit 6 is installed. A movable base 1 on which rollers 8 which can roll and rollers 9 and 10 which roll on both side surfaces of a rail 7 are attached.
1 rolls on the rail 7 due to the rolling of the rollers 8, 9, 10.
It can move freely on the top and the movable table 11 does not tilt.

An arm 12 is fixed to the movable table 11, the arm 12 extends obliquely upward, and a doctor unit 6 is fixed to the upper end thereof. Therefore, the doctor unit 6 has an arc of a rail 7. Concentric with, rail 7
Although it moves on an arc a larger than the arc, the angle with respect to the arc a does not change.

[0013] The movement position and orientation changes in the doctor unit 6, as _X 1 to X ₅ in FIG. 1, and, their
The orientation of the doctor unit 6 at X ₁ and X ₅ at the time of is shown. As is apparent from this figure, de <br/> compactors unit 6 of dentists to carry out medical treatment to the patient from its one surface, the orientation, position standing posture of the patient, supine posture, and It is the optimal position for medical treatment in each intermediate posture.

On the other hand, the arm 1 is rotatable about a point substantially coincident with the center point α of the rail 7 on the left side of the rear surface of the seat 1.
3 extends obliquely outward and upward from the center point, and an assistant instrument 14 is rotatably attached to the upper end thereof, so that the assistant instrument 14 is centered on the center point α. It can move along an arc and can be directed in any direction from the moved point.

In FIG. 1, Y _{1 to} Y ₄ indicate the movable positions of the arm 13 based on the above, and also indicate the optimum directions for the work of the dental assistant of the assistant instrument 14 at each point. The position and orientation of this assistant instrument 14 correspond to the position and orientation of the dentist for the medical treatment of the patient's standing posture and supine posture, and also assist the medical treatment toward the patient himself. It is also the best one to use.

Further, the cabinet body B is fixedly installed on the floor surface on which the dental chair A is installed, on the back side of the dental chair A, and the cabinet body B has a sink 15 and A faucet 16 etc. is provided so that the dentist can wash his / her hands after the medical treatment,
A support shaft 17 is provided on the left side of the front surface of the cabinet body B, and the support unit 17 is used as a fulcrum β to store instruments that could not be placed on the doctor unit 6, the assistant instrument 14, or spare instruments. The rear left side of the rotating cabinet 18 is pivotally supported.

Therefore, when the dentist carries out medical treatment in the supine position, both the dentist and the dental assistant are at the positions X ₄ , X ₅ and Y ₃ , Y ₄ which are close to the cabinet body B. Although the instrument can be taken out without rotating the rotating cabinet 18, both the dentist and the dental assistant move away from the cabinet main body B during the medical examination in the standing position, so that the β point in FIG. By rotating around the center, the distant portion is compensated, and when the dentist extends his hand as shown in the figure, the rotating cabinet 18 can be reached.

A handle 19 is provided on the rotating cabinet 18.
It is desirable to provide a knob to facilitate the rotation of the rotation cabinet 18. The armrest 5 provided on the side surface of the caspida unit 4 facilitates keeping a gargling posture by holding the elbow when the patient sits on the dental chair A or gargles.

[0019]

As described above, according to the present invention, since the doctor unit only moves on the arc-shaped rail and moves on the arc centering on one point of the dental chair, the doctor unit of the conventional doctor unit is As described above, the number of joints supporting the doctor unit is small, and it is possible to eliminate the difficulty of moving to the desired position due to the difference in turning characteristics based on the difference in the friction coefficient of this joint part, and to operate the doctor unit with both hands. You can eliminate the hassle of having to do it.

Similarly, the assistant instrument need only rotate about one point of the dental chair and the rotation at the destination of rotation, and therefore, like the doctor unit,
Not only is it easy to move to the desired position, but by changing its orientation, it is possible to work well with a dental assistant and with a dentist, and to operate the assistant instrument with one hand.

The cabinet for accommodating the doctor unit, the equipment that could not be placed on the assistant instrument, and the spare equipment can be rotated about a single point on the rear part thereof, so that the rotation position of the cabinet can be raised by the patient. posture,
By adjusting to the medical treatment posture such as medical treatment in the supine position,
If both the dentist and the dental assistant reach the instrument in this cabinet without making a large movement from the treatment position, they can reach it, so that various problems associated with movement during treatment can be solved.

Moreover, by constructing the cabinet in this way, a wagon with casters, on which a doctor unit, an instrument that could not be fully mounted on an assistant instrument, and a spare device were conventionally mounted, becomes unnecessary. Can solve the problem that was an obstacle for medical treatment,
Moreover, this wagon, which was difficult to move and turn with one hand, can be changed to a cabinet that can be operated with one hand.

The advantages of these doctor units, assistant instruments, and cabinets effectively interact with each other in the dental examination work of dentists and dental assistants.
It has effects such as improvement of work efficiency of dental treatment and reduction of medical treatment space.

[Brief description of drawings]

FIG. 1 is a plan view showing an arrangement of a dental chair, a doctor unit, an assistant instrument, and a cabinet and a movable range thereof according to an embodiment of the present invention.

FIG. 2 is a plan view showing a main part of a portion for moving a doctor unit.

FIG. 3 is a perspective view of a cabinet.

[Explanation of symbols]

 A dental chair B cabinet body α center point β fulcrum 1 seat portion 2 backrest 6 doctor unit 7 rail 11 moving base 13 arm 14 assistant instrument 17 spindle 18 rotating cabinet

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location 7344-4C A61G 15/00 Z

Claims (2)

[Scope of utility model registration request] 1. A dental chair in which a backrest is rotatably supported with respect to a seat portion, one end in the vicinity of an axial fulcrum of the seat portion and the backrest on the back surface of the dental chair, and this end on a diagonal line. An arc-shaped guide rail mounted between the seat portion and the front edge thereof, a doctor unit mounted on the tip of an arm guided by the guide rail, and moving in an arc along the side surface of the dental chair; An arm rotatably mounted on the side opposite to the one end where the guide rail is mounted in the vicinity of the fulcrum of the seat portion and the backrest of the dental chair, and an arm rotatably mounted horizontally on the tip of the arm. A dental examination apparatus comprising: an assistant instrument. 2. A dental chair in which a backrest is rotatably supported with respect to a seat portion, one end near the axial fulcrum of the seat portion and the backrest on the back surface of the dental chair, and this end diagonally. An arc-shaped guide rail mounted between the seat portion and the front edge thereof, a doctor unit mounted on the tip of an arm guided by the guide rail, and moving in an arc along the side surface of the dental chair; An arm rotatably mounted on the side opposite to the one end where the guide rail is mounted in the vicinity of the fulcrum of the seat portion and the backrest of the dental chair, and an arm rotatably mounted horizontally on the tip of the arm. An assistant instrument, a cabinet body installed on the floor on the back side of the dental chair, and a cabinet rotatably attached to the cabinet body toward the dental chair side. A dental examination apparatus comprising: