JP2011024760A - Dental unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dental unit equipped with a patient chair excellent in the operability. <P>SOLUTION: The dental unit 1 includes a base 30 and the patient chair 10. The patient chair includes a vertically movable seated part 11; a backrest 12 which can be laid or erected by rotating one end of the seated part around a shaft; a headrest 13 which can be vertically moved and laid or erected; and a foot switch 40 for the operation to activate the seated part, the backrest and the headrest to be vertically moved or laid or erected. The foot switch has a switching means 42 for switching the mode between a first mode and a second mode, and an operating member 43 for activating the seated part, the backrest and the headrest to be vertically moved or laid or erected. When the first mode is selected, the seated part is vertically moved and the backrest is laid or erected by the operation of the operating member. When the second mode is selected, the headrest is vertically moved and laid or erected by the operation of the operating member. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a dental unit including a dental chair on which a patient sits in dentistry.

  The patient chair provided in the dental unit is configured such that the seating part can be raised and lowered and the backrest can be tilted and stood up. Further, the headrest can also be raised, lowered, tilted and raised with respect to the backrest. Then, depending on the contents of treatment and treatment, the seating portion is raised and lowered as appropriate, the backrest is tilted and raised, and the headrest is raised and lowered in the same manner, tilted and raised. In such a patient chair, raising / lowering, tilting, standing selection and operation are performed by a practitioner such as a dentist.

  When operating the patient chair, the operator is usually located on the back side of the patient chair. Therefore, the operation lever for performing the above-described operation of the patient chair is arranged on the back side of the patient chair. Specifically, as shown in Non-Patent Document 1, for example, a back surface of a patient chair is provided with a plurality of joysticks, each for a headrest (headrest up and down, tilting upright), and a chair manual (patient chair). Elevating and tilting the backrest).

Takara Belmont Co., Ltd., “Arte”, [online], [Search May 27, 2009], Internet <URL: http://www.takara-dental.jp/products/chairunit/arte/index.html>

  However, as shown in Non-Patent Document 1, such a conventional operation member for a patient chair must be operated by a different operation member (joystick) depending on the type of operation. The operation members are provided apart from each other. Therefore, the operator has to move the place depending on the content of the operation, or move the hand or leg for the operation.

  Then, in view of said problem, this invention makes it a subject to provide a dental unit provided with the patient chair excellent in operativity.

  The present invention will be described below. In order to facilitate understanding of the present invention, reference numerals in the accompanying drawings are appended in parentheses, but the present invention is not limited to the illustrated embodiment.

  The present invention is a dental unit (1) including a base (30) and a patient chair (10) provided on the base, and the patient chair is provided with a seating portion (movable vertically). 11), a backrest (12) provided so as to be able to tilt and stand by rotating about one end side of the seating portion, and an upper end side of the backrest, and an upper end side of the backrest. A headrest (13) provided so as to be able to tilt and stand about the end of the head, and a foot switch (40) for operating the seating portion, the backrest and the headrest to move up and down, and tilting and standing up. Is a switching means (42) for switching between a first mode that allows the seat portion to move up and down and tilts the backrest, and a second mode that enables the headrest to move up and down and tilts, and the seat portion, Back and head When the first mode is selected, either the vertical movement of the seating part or the tilting of the backrest is performed by the operation of the operation member. When the second mode is selected, the problem is solved by providing a dental unit in which either the headrest is moved up and down or tilted up and down by operating the operation member.

  Here, the foot switch (40) may be arrange | positioned in the width direction center of the lower part of a base at the back side of a patient chair (10) among bases (30).

  According to the dental unit of the present invention, the vertical movement, tilting, and standing of the patient chair can be operated in one place on the patient chair, which is highly convenient. In addition, if this is provided at approximately the center in the left-right direction of the patient chair, the operator can easily reach the legs from any position on the back side of the patient chair and can be operated with little or no movement. It becomes.

It is a side view of the dental unit which concerns on one embodiment. It is a patient's chair back side perspective view among dental units concerning one embodiment. It is a figure showing the appearance of a foot switch.

  The above-described operation and gain of the present invention will be clarified from embodiments for carrying out the invention described below. Hereinafter, the present invention will be described based on embodiments shown in the drawings. However, the present invention is not limited to these embodiments.

FIG. 1 is a side view of a dental unit 1 according to one embodiment. FIG. 2 is a perspective view of the patient chair 10 in FIG.
The dental unit 1 has a patient chair 10 installed on a base 30, and a dental illumination 2 is provided above the chair 10. Further, a spitton 4, a doctor unit 20, and an assistant unit 25 are arranged beside the patient chair 10, respectively.

  The patient chair 10 includes a seating portion 11, a backrest 12, and a footrest 14. A headrest 13 is provided at the upper end of the backrest 12.

Here, the seating portion 11 of the patient chair 10 is attached to the base 30 so as to be movable in the vertical direction, and the backrest 12, the headrest 13, and the footrest 14 can be moved up and down integrally with the seating portion 11. Further, the patient chair 10 can be changed in inclination, and the backrest 12 and the footrest 14 can be changed in inclination with predetermined points on the front and back of the seating portion 11 as fulcrums.
Such a vertical movement and tilt change of the patient chair 10 can be performed by a hydraulic circuit or the like housed in the casing of the base 30. In addition, the operation and stop of the hydraulic circuit or the like, that is, the vertical movement of the seating portion 11 and the tilting and rising of the backrest 12 can be performed by operating the foot switch 40. The foot switch 40 will be described in detail later. Further, the headrest 13 can also move up and down with respect to the backrest 12, and the inclination can be changed with a predetermined point on the upper end side of the backrest 12 as a fulcrum. This can also be performed by operating the foot switch 40.

  The dental illumination 2 is attached via an arm 3 that can be moved and rotated with a high degree of freedom by a universal joint or the like so that the inside of the oral cavity of the patient can be accurately illuminated when performing treatment. Therefore, by adjusting the position and angle of the dental illumination 2, the practitioner can appropriately observe the patient's oral cavity.

  The spitton 4 is used when the patient gargles during and after treatment and cleans the oral cavity. Therefore, the spitton 4 has a gargle water supply unit (not shown) that supplies gargle water, and a bowl portion 5 for discharging water in the oral cavity after gargle. And the saliva and water discharged | emitted by the bowl part 5 are discharged | emitted via the waste_water | drain trap in the water unit 8. FIG.

  The doctor unit 20 is attached so as to be movable in the front-rear direction on the side of the patient chair. A film viewer 21 is provided on the upper surface of the doctor unit 20 so that the practitioner can perform treatment while looking at X-ray photographs. Since X-rays are often seen as images due to recent advances in digital technology, a video display device such as a monitor is often arranged here instead of a film viewer. Further, an operation panel 22 is provided on the side surface, and the dental illumination 2 can be turned on and off.

  Further, the doctor unit 20 is provided with a handpiece 23 used by the practitioner and a holder for storing it. Examples of the handpiece 23 include an air turbine, a microengine, a scaler, and a syringe. Almost all handpieces 23 are connected to an electric circuit, a water circuit, an air circuit, and the like through tubes 24.

  The assistant unit 25 provided with the instrument used by the assistant is attached so as to be movable in the front-rear direction like the doctor unit 20 so as to face the doctor unit 20 with the patient chair 10 interposed therebetween. The assistant unit 25 is provided with handpieces such as a vacuum, salivary duct and syringe used by the assistant, and a holder for storing them. Thereby, for example, a vacuum and a saliva discharge duct are sucked by a vacuum unit via a suction pipe.

  Next, the patient chair 10 will be described in more detail. As described above, the seating portion 11 of the patient chair 10 is attached to the base 30 so as to be movable in the vertical direction, and the backrest 12, the headrest 13, and the footrest 14 can be moved up and down integrally with the seating portion 11. . Further, the backrest 12 can be changed in inclination, and the backrest 12 and the footrest 14 can be changed in inclination with a predetermined point at the front and back of the seating portion 11 as a fulcrum. Further, the headrest 13 can also move up and down with respect to the backrest 12, and the inclination can be changed with a predetermined point on the upper end side of the backrest 12 as a fulcrum. These are made possible by a hydraulic circuit or the like housed in the base 30, and the operation and stop thereof, that is, raising and lowering of the patient chair 10, and tilting can be performed by operating the foot switch 40.

FIG. 3 shows the appearance of the foot switch 40. 3A is a perspective view looking down from the back, and FIG. 3B is a view looking from the side. The foot switch 40 includes a base body 41, a changeover switch 42, and an operation member 43.
The base body 41 is a box-shaped member that is the basis of the foot switch 40. Control system devices such as various electronic circuits are arranged inside the box shape, and commands the operation of a switch 42 and an operation member 43 described later to the hydraulic circuit of the base 30 to operate them appropriately.

The changeover switch 42 is a switch for switching modes, and the first mode and the second mode are alternately switched every time the switch is pressed.
In the present embodiment, the changeover switch is arranged on the right side when viewed from the back, because the practitioner usually works on the right side of the patient. However, it is not limited to this, and may be provided on both the right side and the left side. This also facilitates operation from the left side.

  The operation member 43 is a rod-like member provided so as to protrude from the base body 41, and is movable in the directions indicated by P and Q in FIG. 3A, and R and S in FIG. 3B. It can also rotate in the direction shown. Thus, based on the mode selected by the changeover switch 42, the operator moves and rotates the operation member 43 to any one of P, Q, R, and S, thereby bringing the patient chair 10 into a desired posture. be able to.

  In other words, in the present embodiment, the first mode of the changeover switch 42 is a mode that enables the seat portion 11 to move up and down and the backrest 12 to stand upright. In the first mode, when the operation member 43 is moved in the direction of the arrow P, the seat portion 11 is raised, and when the operation member 43 is moved in the direction of the arrow Q, the seat portion 11 is lowered. Further, when the operating member 43 is moved in the direction of the arrow R, the backrest 12 tilts, and when the operating member 43 is moved in the direction of the arrow S, the backrest 12 stands.

  On the other hand, in the present embodiment, the second mode of the changeover switch 42 is a mode that enables the headrest 13 to move up and down and tilt and stand. In the second mode, the headrest 13 is raised when the operating member 43 is moved in the direction of the arrow P, and is lowered when the operating member 43 is moved in the direction of the arrow Q. Further, when the operation member 43 is moved in the direction of the arrow R, the headrest 13 is tilted, and when the operation member 43 is moved in the direction of the arrow S, the headrest 13 is erected.

  The foot switch 40 can be operated by the operator's toes as described above, and as shown in FIGS. 1 and 2, the foot switch 40 is provided on the back side of the patient chair 10 in the base 30. It is arranged at the lower part of the approximate center of 30 left and right direction (width direction).

  With the dental unit 1 having such a foot switch 40, the seating portion 11, the backrest 12, and the headrest 13 of the patient chair 10 are operated to move up and down, tilt, and stand at one place on the back side of the patient chair 10. Can be highly convenient. Moreover, since this is provided in the center of the left-right direction on the back side of the patient chair 10, the leg can easily reach the foot switch 40 regardless of the position of the operator, and the entire body of the operator is not moved. Or, the operation can be performed with less movement.

  The foot switch 40 may have a function for preventing an erroneous operation. Specifically, for example, the mode is displayed so that it can be visually recognized by turning on / off the LED and / or the like, and / or the mode is audibly recognized by sound and voice. Can be mentioned.

  Further, when the foot switch is not used for a certain period of time, the first mode (the operation mode of the seating portion and the backrest) may be automatically set. As a result, even after other work is performed for a while, the current mode can be operated without hesitation and the convenience can be improved.

  Although the present invention has been described in connection with embodiments that are presently practical and preferred, the present invention is not limited to the embodiments disclosed herein, but is claimed. The scope of the invention and the gist of the invention that can be read from the entire specification, or a range that does not contradict the idea, can be appropriately changed, and a dental unit that includes such a change should also be understood as being included in the technical scope of the present invention. I must.

DESCRIPTION OF SYMBOLS 1 Dental unit 2 Dental lighting 3 Arm 4 Spiton 5 Bowl part 8 Water unit 10 Patient chair 11 Seating part 12 Backrest 13 Headrest 14 Footrest 20 Doctor unit 21 Film viewer 22 Operation panel 23 Handpiece 24 Tubes 25 Assistant unit 30 Base 40 Foot switch 41 Base body 42 Changeover switch (switching means)
43 Operating members

Claims (2)

A dental unit comprising a base and a patient chair provided on the base,
The patient chair is
A seating portion provided to be movable up and down;
A backrest that is pivotable about one end side of the seating portion and can be tilted upright;
A headrest provided at the upper end of the backrest so as to move up and down with respect to the backrest, and to be able to stand up and tilt around the end on the upper end side of the backrest;
A foot switch for operating the seating portion, the backrest and the headrest to move up and down, and tilt up;
The foot switch is a switching means for switching between a first mode that allows the seat portion to move up and down and tilts the backrest, and a second mode that enables the headrest to move up and down and tilts and stands.
An operation member for operating the seating portion, the backrest and the headrest up and down, and tilting upright;
When the first mode is selected, either the vertical movement of the seating portion or the tilting of the backrest is performed by the operation of the operation member,
When the second mode is selected, the dental unit is configured such that either the headrest is vertically moved or tilted and raised by the operation of the operation member.   2. The dental unit according to claim 1, wherein the foot switch is disposed at a center in a width direction of a lower portion of the base on the back side of the patient chair in the base.

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