JPH077951Y2 - Chair for dental treatment with chair seat surface position display function - Google Patents

Description

[Detailed description of the device]

[0001]

INVENTION The present invention relates, the height of the chair to be used by the operator sitting in the dental treatment, the longitudinal position, a graduated scale for displaying respectively the turning angle of the arm supporting the chair posts Regarding the equipped surgeon's chair.

[0002]

2. Description of the Related Art When performing a dental treatment, there is a certain range of positional relationship suitable for treatment between a dental treatment operator's chair on which the operator sits and a treatment table on which the patient lies down. positional relationship and the operator of the physique and posture, individual differences are significant by tricks倆等at the time of treatment. Also each time the oral treatment site therapeutic regimen and patient changes, changes the posture of the operator, the relative position of the chair seat and the treatment table top will be changes suitable therefor, successively, the operator chair seat It will be necessary to change the height and horizontal position of the.

[0003] In the conventional surgical operator chair, an elevating mechanism or a telescopic mechanism is provided on a column so that the height can be freely changed, and the chair is pivoted on a support shaft of a floor fixing base fixed to the floor surface. In a constrained chair in which the support of the chair is held by an arm whose one end is supported as much as possible, the movement of the seat surface in the horizontal direction is performed by the rotation of the chair support and the movement of the seat surface in the front-back direction. This movement in the front-back direction depends on the seat
Movable in the front-back direction and engaged between the support part and the column.
This is done by sliding a sheet substrate that can be stopped .

[0004]

The present invention It is an object of the present invention have found that, from a research and treatment experience, try to identify the treatment work is specific of the operator about the relationship between the bearing surface of the dental surgeon chair with Osamu療台In doing so, I found that the height of the seat surface and the horizontal position of the seat surface with respect to the treatment table were naturally determined within a narrow range. However in the conventional treatment chair, there was no way of knowing surgeon himself the location of the seating surface, until it matches the optimum posture body is stored, or until discomfort body is eliminated, the height and position of the chair Was being adjusted.

[0005] The present invention of the inventor et al., The operator of the body and the patient
Visual height and horizontal position of the chair come waiting determined by a factor a and therapy content and the treatment site by digitizing, to clarify the present position and the moving amount of the chair, the position of the optimal chair therapy against you know to, to easily and immediately the operator of the attitude that Sadama by treatment content, always keenly aware of the need to ensure constant, it had led to the present invention.

[0006]

The dental operator's chair of the present invention is a chair used by an operator during dental treatment.
The chair seat horizontally to the chair support in the front-back direction.
A movable and lockable attached sheet board, the Sea
The chair support column provided with the lifting means bets substrate vertically moves
And a horizontal arm whose one end is fixed to the lower end of the column,
A support shaft that rotatably supports the other end of the horizontal arm is provided in a protruding manner.
Teeth consisting of a floor fixing base to be fixed to the floor surface
It targets the surgeon's chair for medical treatment.

The present invention provides the above-mentioned chair in
An inner cover that covers the column at the lower part of the chair column that cannot be moved up and down.
A bar is attached and can be moved up and down by being joined to the top of the column.
The outer cover that covers the inner cover from the Noh member
Is provided on the outer surface of the inner cover and has a height in the axial direction.
A scale is attached and the lower edge of the outer cover is shielded.
The height of the seat surface of the seat with the scale on the scale
And the inner cover is provided with one or more movable pieces in the longitudinal direction in the vicinity of the height scale.
A display device is locked vertically movably, with the scale on the graduated scale of the display device is instructed, so as to indicate the height of the pre-the seat <br/> surface, the side surface of the sheet substrate To
Attaching a scale for front and rear position and fixing the upper part of the column
The scale for the front-back position indicated by the pointer protruding from the member
Display the front and back position of the seat with a scale on the scale
It is characterized by having done.

[0008]

[0009]

[0010] The invention of dental surgeon chair, as an electrical system for displaying a longitudinal position of the seat surface height and the seating surface,
And additionally provided a gear rack on the outer surface of the inner side cover, potentiometer for journalled gear meshing with the gear rack is fixed to the outer side cover, changing the height of the numerical signal by the conversion circuit the resistance value of the potentiometer the height display unit for displaying Te provided, the seat surface height on the display unit so as to digitally display, further, per longitudinal movement of the seat surface, of the strut
Mounted horizontally on top and lockable
Attach a gear rack on a side surface of the seat board was, and those said supporting
A gear that meshes with the gear rack is used as the fixing member on the top of the column.
The potentiometer that supports the
The resistance value of the siometer is converted into a numerical value by the conversion circuit.
A front / rear position display section that displays in place of the
Display the front and rear position of the seat digitally on the display
It was done.

[0011]

In particular, an angle scale is attached to or engraved on the surface of the floor fixing base, and the turning angle position of the chair is determined by the scale on the angle scale that is shielded by the side edge of the horizontal arm. like those that are to be displayed
Good

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view of a dental operator's chair ,
FIG. 2 is a front view of the same, but the chair support 2 supporting the seat portion 3 stands at the tip of a horizontal arm 8 pivotably supported by a floor fixing base plate 81 fixed to the floor. has been set fixed,
The column 2 is equipped with a gas cylinder type elevating means (not shown), and can be moved up and down by operating the seat surface 30 of the seat part 3 and the elevating pedal 29 (see FIG. 2).
As another lifting means, a hydraulic cylinder type, pressure sheet <br/> cylinder over expression, motorized, or manual, such as various materials can be used. A roller fixing member 3 is provided on the upper end of the column 2.
2 is fixed by the roller 33, the horizontally movable sheet
Over preparative substrate 31 is catching, seat 3 on the sheet substrate 31 is placed attachment et al., The seat surface the upper surface of the seat portion 3 is
It is set to 30 .

From the lower end of the chair column 2, the column
The inner cover 41 that covers the inner cover 41 is fixed, while the outer cover 42 is fixed to the roller fixing member 32 so as to cover the inner cover 41 from above.

Above the inner cover 41, a scale 1 for height is vertically attached to the surface of the inner cover 41, and the scale above the scale 1 is outside the outer scale. Cover 42
Is covered by the outer cover 42.
The scale covered by the bottom edge 421 of the can be read. Therefore, the scale 1 is set in advance so that the scale indicated by the lower edge 421 corresponds to the height of the seat surface 30 with respect to the floor surface at that time. Hand surgeon in use is,
Sitting on the seat surface 30 of the seat portion 3, while operating the temperature <br/> descending pedal 29 of the gas cylinder, to know the height of the seating surface 30 to read the instruction scale of the lower end edge 421, and the seat surface 30 to adjust the height of Tokoro <br/> have. To reduce visual errors,
A pointer indicating the scale 1 from the outer cover 42
You may project.

[0017] The side surface of the sheet substrate 31, an attached graduated scale 13 for longitudinal position, on the other hand, guidance 14 that instructs the scale of the graduated scale 13, which is protruded from the roller clamp 32, the surgeon, while sitting on the seat portion 3, slide
Operate the id pedal 28 to move the seat substrate 31 back and forth.
By, Ri knowledge <br/> the longitudinal position by reading the scale of the eye Morishaku 13 is to adjust the horizontal shift amount to Nozomu Tokoro position.

FIG. 3 shows that the set height of the seat surface 30 is set beforehand.
Pointing device to be indicated for a height graduated scale 1 of the inner cover
The movable piece 18 is a movable piece 18 of which the thread 61 is stretched adjacent to the scale plate 1, and the thread 61 is inserted through a triangular chip, that is, a small hole formed in the movable piece 18. On the thread 61
In and vertically movable by engagement, are so movable piece 18 instructs the scale.

FIG. 4 shows a method in which the height of the seat surface and the front-back position are electrically measured in place of the method of visually reading the scale, and in this example, the gear rack 7a is mounted above the inner cover 41. The outer cover 42 has the rack 7
A gear 71a meshing with a and a pontensiometer 72a joined to the rotation shaft of the gear 71a are fixed, and the outer cover 42 also moves up and down as the seat surface 30 moves up and down.
And, the rotation of the gear 71a that rolls on the fixed rack 7a, in which changes into an electric signal by the potentiometer 72a. Similarly, the rack 7b fixed to the back side of the side surface of the sheet substrate 31, the gear 71b pivotally supported by the roller support member 32, and the potentiometer 72b joined to the rotation shaft of the gear 71b are used to measure the amount of horizontal movement. An example of enabling a dynamic measurement is shown in FIG. in this case,
The rack 7b is moved back and forth to rotate the gear of the roller fixing member 32, and the potentiometer 72b is similarly moved back and forth.
The amount of motion is converted into an electric signal.

[0020] Then, due to changes in the potentiometer 72a, the resistance value of 72b by the rotation of the tooth wheel 71a, 71b
Each of the electric signals is electrically converted into a moving length by a conversion circuit , and a height display section (not shown) and a front-back position display section (not shown) are displayed.
The height of the seat and the front and rear position of the seat in units of length
Digitally display each of the devices . These display unit,
Passing either normal operator is fixed to the front, i.e. the couch shoulder at the time of sitting on the therapeutic surgeon chair, Wakashi Ku is provided on the side
Fixed to the front of the tray for the treatment device . Therefore even during treatment surgeon and height of the seat surface of the display unit
The front-rear position can be easily known, and if there is any inconvenience, the elevating pedal 29 and the slide pedal 28 can be operated at any time while looking at the front display section to adjust the position to the optimum position for one's own posture.

In FIG. 5, the horizontal arm 8 is mounted on the upper surface of the floor fixing base 81 of the horizontal arm 8 fixed to the lower end of the column 2 of the chair 3.
Represents the turning angle of the chair, and the turning angle of the chair is the angle at which one side surface of the horizontal arm 8 shields.

[0022]

[Action and Effect] The present invention in dental surgeon chair, depending on his eyes Sheng denoted by the height for graduated scale on the strut, from displaying the seat surface height, the operator directly read the scale Then, the current seat height can be immediately known. Also in front of the seat side
Since the rear position for graduated scale can be displayed before and after the position of the seat surface, as well as the operator is able to know the longitudinal position of the current seat surface by directly reading the scale.

[0023] The operator, the height of the seating surface of its own optimal and its previous <br/> after position, to quantify each therapeutic regimen and treatment site, followed
Data for height and position that have been digitized in advance for each treatment content
Therefore , type of treatment properly and easily before starting the next treatment
That you adjust the height and position of the most appropriate seat surface to the content
Speed, without having to readjust the chair during treatment.
You can concentrate on your treatment in a proper posture and
Since the chair is adjusted for each break, the overall efficiency of dental treatment
It will be useful for realization.

In particular, if the turning angle of the chair is described on the floor fixing base, the front-back position of the seat surface and the positional relationship of the seat surface from the treatment table become clear, and the operator is It becomes possible to quantify the optimum treatment position of the operator in consideration of the physique, posture, etc. of the surgeon , and the reliability of the seat surface adjustment before the treatment becomes high.

[0025] graduated scale of the present invention, in Kuno you instruct the height of the pre-seat surface with a pointing device such as a variable-Dohen, the operator
The seat height and the front-back position, which are different for each treatment site, can be discriminated at a glance, the adjustment can be instantly facilitated, and an unnatural treatment posture can be avoided.

[0026] Instead of the graduated scale, the relative movement of the rack and electrically detected by the gear and potentiometer, display
At the same time the you digital display height and longitudinal position of the seat surface part
In, the operator, without the orientation of reading the graduated scale, at any time during treatment can directly read and readily optimum posture because quantifiable, and that reproducibility against the dental treatment surgeon has more excellent Become.

[Brief description of drawings]

FIG. 1 is a side view of a dental treatment operator chair provided with a scale for height and a scale for front and rear positions .

FIG. 2 is a front view of an operator chair for dental treatment.

FIG. 3 is a schematic view of a movable piece attached to a scale for height .

[Fig. 4] Dental treatment technique in which the seat height and the amount of forward and backward movement are electrically known by a rack, a gear, and a potentiometer.
Front and side views of the person chair.

FIG. 5 is a top view of a floor fixing base to which an angle scale is attached.

[Explanation of symbols]

1 Scale for height 13 Scale for front and rear positions 18 Triangular movable piece 2 Chair post 3 Seat part 30 Seat surface 31 Seat substrate 41 Inner cover 42 Outer cover 7 Gear rack 71 Gear 72 Potentiometer 81 Floor fixing base 82 Floor

Claims (3)

[Scope of utility model registration request] 1. A front seat of a chair seat is horizontal to a chair support.
Seat substrate mounted so that it can move backward and can be locked
When, those provided with the elevating means for vertically moving the sheet substrate
And said chair support column, a horizontal one end to the lower end of the strut is fixed
The arm and the other end of the horizontal arm are rotatably supported.
A floor fixing base on which a spindle is projected and fixed to the floor surface,
In dental surgeon chair made of, the chair inner cover covering those struts in the lower part of the lifting non sites strut mounting et al was either liftable member that is joined to the upper portion of the pillar
Luo and outer cover for covering the upper portion of those inner cover is provided, the graduated scale for height attached to the axial direction of the outer surface Niso of the inner cover, on the graduated scale of the lower edge of the outer cover shields to have the scale display height of the seating surface of the seat portion
Along with the inner cover, close to the height scale.
Display device such as one or more movable pieces in the longitudinal direction
Is locked so that it can move up and down, and the
Use the scale on the scale to indicate the seat height beforehand.
As shown, attach the front and back position
Attach a scale and project from the fixing member on the top of the column
The scale on the scale for the front and rear positions indicated by the pointer
Therefore, a dental surgeon's chair that displays the front and rear positions of the seat surface. 2. The chair seat part is horizontally front with respect to the chair column.
Seat substrate mounted so that it can move backward and can be locked
When, those provided with the elevating means for vertically moving the sheet substrate
And said chair support column, a horizontal arm one end of which is fixed to the lower end of the strut, the floor fixed base to pivot to journalled and the other end pivotably in the horizontal arm is fixed so as to project the floor ,
In dental surgeon chair consisting of an inner cover to lift impossible site of the bottom of the chair pillar covers those strut mounting et al are, upward from the liftable member that is joined to the upper portion of the pillar of the inner cover An outer cover is provided to cover the inner cover, a gear rack is attached to the outer surface of the inner cover, and a potentiometer that supports a gear that meshes with the gear rack is fixed to the outer cover to convert the resistance value of the potentiometer. the height of the seating surface of the seat portion so as to be digitally displayed on the height display unit which displays by changing the height of the numerical signal by the circuit, gear rack on a side surface of the sheet substrate
Is attached to the column, and the gear is attached to the fixing member on the upper part of the column.
The potentiometer that supports the gear that meshes with the rack is fixed.
The potentiometer resistance value to the conversion circuit.
Front / rear position display that changes to a numerical signal of the moving length and displays
So that the front and rear movement position of the seat surface is digitally displayed on the part
The dental surgeon chair. 3. An angle scale is attached or engraved on the surface of the floor fixing base, and the turning angle position of the chair is determined by the scale on the angle scale that is shielded by the side edge of the horizontal arm. The operator's chair for dental treatment according to claim 1 or 2 , wherein the operator chair is displayed.