JPH04111333U - Dental treatment chair with chair seat position display function - Google Patents

Abstract

(57) [Summary] [Purpose] Chairs for dental treatment that are adjustable in seat height and longitudinal position are widely used. When performing intraoral treatment, a practitioner is required to adopt a posture most suited to the treatment area and treatment content, but conventionally there has been no means to accurately display the position of the seat of a treatment chair. [Structure] A scale is attached to the inner tube that covers the support of the treatment chair, and the seat height is displayed by directly reading the scale of the scale that is shielded by the lower edge of the outer tube. In addition, the horizontal movement length can be directly read using a scale that displays the longitudinal movement length on the side of the seat. An indicator is attached to the scale in advance to indicate the position of the seat. The rotation angle of the horizontal arm is marked on the floor fixed base to directly read the rotation position of the seat surface.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention measures the height and amount of back-and-forth movement of the chair that the practitioner uses to sit during dental treatment. , a treatment chair equipped with a graduated scale that displays the rotation angle of the arm supporting the chair support. Regarding.

0002

[Conventional technology]

When performing dental treatment, there is a treatment chair on which the practitioner sits and a treatment chair on which the patient lies. There is a certain range of positional relationship between the treatment table and the treatment table, and that positional relationship is determined by the treatment. There are significant individual differences depending on the physique and posture of the surgeon and the skill level used during treatment. Also, treatment details Each time the patient's oral treatment area changes, the practitioner's posture changes and the patient's oral treatment area changes. The relative position of the chair seat to the treatment table will change, and the practitioner will gradually adjust the position of the chair seat. It becomes necessary to change the height and horizontal position.

0003 Conventional treatment chairs do not have a lifting mechanism so that the height can be changed freely. The pillar is equipped with a telescoping mechanism, and one end can be rotated around a support shaft fixed to the floor. In restraint-type chairs, where the chair support is held by a pivoted arm, the seat The horizontal movement of the chair is caused by the rotation of the chair support and the sliding of the seat in the direction of the support shaft on the floor. It is done by.

0004

[Problem that the idea aims to solve]

Based on research and treatment experience, the inventors of this invention have determined that the seat surface of a dental treatment chair and the treatment table are Regarding the relationship, if a specific practitioner is attempting a specific treatment task, the height of the seat I realized that the horizontal position relative to the treatment table was naturally fixed within a narrow range. there was. However, with conventional treatment chairs, there is no way for the practitioner to know the position of the seat. until your body matches the optimal posture it remembers, or if your body feels uncomfortable. I adjusted the height and position of the chair until it disappeared.

[0005] The inventors of this invention believe that a fixed Quantify the height and horizontal position of the chair you are approaching to clearly determine the current position and amount of movement of the chair. This allows you to visually know the optimal chair position for treatment, and perform treatments that are determined by the treatment content. We realized the need to easily and immediately maintain a constant posture for people, and developed this invention. It has come to be.

[0006]

[Means to solve the problem]

The dental treatment chair of the present invention is a chair equipped with a lifting means for moving the chair seat up and down. An inner cover is attached to the part of the lower part of the pillar that cannot be raised or lowered. A movable member connected to the upper part of the pillar covers the upper part of the inner cover. An outer cover is provided, and a scale scale is attached to the outer surface of the inner cover in the axial direction. with the scale on the scale covered by the lower edge of the outer cover. It is designed to display the height of the surface.

[0007] In addition, the inner cover is provided with tension or suspension in the longitudinal direction of the scale near the scale. One or more wedge-shaped movable pieces are fixed to the suspended thread or rod so that they can move up and down. The tip of the movable piece indicates the scale on the scale in advance. , to indicate the height of the seat.

[0008] In addition, the treatment chair of the present invention is a chair equipped with a lifting means for moving the chair seat up and down. A dental treatment chair having a child support column, the member at the top of the support column that can be raised and lowered includes: One end of the tape measure is fixed, and the tape measure body is fixed to a member at the bottom of the support that cannot be raised or lowered. The height of the seat is displayed using the scale on the tape measure that comes out from the tape measure body. This is what I did.

[0009] Furthermore, a chair support equipped with a lifting means for moving the chair seat up and down, and A horizontal arm with one end fixed to the lower end, and a shaft bearing that allows the other end of the horizontal arm to rotate. A floor fixing base with a protruding support shaft to be fixed to the floor surface, for use in dental treatment. For chairs, it is attached to the top of the support column so that it can be moved in the horizontal direction and can be locked. Attach a scale to the side of the sheet board, and attach it from the fixing member at the top of the support column. The horizontal movement position of the seat surface can be determined by using the scale on the scale indicated by the protruding pointer. It is designed to be displayed.

0010 One way to electrically display the seat height is to use a lifting hand that moves up and down the chair seat. A chair support with steps, a horizontal arm fixed at one end to the lower end of the support, and A support shaft rotatably supporting the other end of the horizontal arm should protrude and be fixed to the floor. In a dental treatment chair consisting of a floor fixed base, the lower part of the chair support is raised. An inner cover is attached to the part where it is impossible to descend, and an inner cover is attached to the top of the pillar. An outer cover is provided to cover the upper part of the joined members that can be raised and lowered. A gear rack is attached to the outer surface of the inner cover, and a gear that meshes with the gear rack is attached to the shaft. A corresponding potentiometer is fixed to the outer cover, and the potentiometer is connected to the outer cover. A conversion circuit converts the resistance value into a numerical height signal and displays it. The seat height is digitally displayed on the display.

[0011] In addition, regarding the movement of the seat surface, it is also possible to move horizontally to the top of the relevant support. Attach a gear rack to the side of the seat base plate that is lockably attached, and The fixed member at the top of the column has a potentiometer that supports the gear that meshes with the gear rack. When the potentiometer is fixed, the resistance value of the potentiometer is converted to the moving length by a conversion circuit. The display section that displays instead of a numerical signal shows the forward and backward movement position of the seat on the display section. This is a dental treatment chair with digital display.

0012 In particular, a chair support equipped with a lifting means for moving the chair seat up and down, and a chair support below the support. A horizontal arm with one end fixed to the end, and the other end of the horizontal arm rotatably supported on a shaft. A dental treatment chair consisting of a floor fixing base having a protruding support shaft and being fixed to the floor surface. In this case, an angle scale is attached or engraved on the surface of the base. Rotate the chair using the scale on the angle scale covered by the side edge of the horizontal arm. It is designed to display the angular position.

[0013]

【Example】

Embodiments of the present invention will be described below based on the drawings.

[0014] FIG. 1 is a side view of the dental treatment chair, and FIG. 2 is a front view of the same. The supporting column 2 is fixed to the tip of a horizontal arm 6 rotatably supported on a floor surface 60. The column is equipped with a gas cylinder type lifting device (not shown) and is equipped with a It is moved up and down by operating the seat 30 of the top part 3 and the lift pedal 29 (see Figure 2). be able to. In addition, other lifting methods include hydraulic cylinder type and compressed air cylinder type. Various types can be used, such as - type, electric type, or manual type. A roller fixing member 32 is fixed to the upper end of the support, and the roller 33 prevents water from flowing. The seat base plate 31 is held so as to be horizontally movable, and the seat part 3 is placed on the seat base plate. It is.

[0015] An inner cover 41 covering the chair support 2 is fixed from the lower end of the chair support 2, On the other hand, an outer cover is provided from the roller fixing member 32 so as to cover the upper part of the inner pipe. -42 is fixed hanging down.

[0016] Above the inner cover, a scale scale for displaying elevation is provided on the surface of the inner cover 41. The upper scale of the scale is affixed vertically to the outer cover 42. The scale is hidden by the lower edge 421 of the outer cover 42. can be read. Therefore, the scale scale is the scale indicated by the lower edge 421. Set in advance to match the height of the seat 30 relative to the floor at that time. Ku. In use, the practitioner sits on the seat part 3 and operates the lifting pedal. Then, read the indication scale on the lower edge to find out the height of the seat 30, and adjust it to the desired height. Wear.

[0017] In order to reduce visual errors, a pointer indicating the scale scale should be attached from the outer tube. It may be installed protrudingly. A scale 13 for sliding back and forth is attached to the side surface of the sheet substrate 31, and on the other hand, A pointer 14 that indicates the scale of this scale measure 13 is provided protruding from the roller fixing member 32. The practitioner sits on the seat and moves the seat back and forth to perform the massage. While operating the ride pedal 28, know the scale of the scale 13 and set the horizontal movement amount to the desired position. Adjust accordingly.

[0018] In Figure 3, the set height of the seat surface is indicated in advance on the lifting scale of the inner cover. It is a movable piece for indication, and has a triangular shape attached to the scale plate 1 and has a thread 61 stretched thereon. The thread 61 is inserted through a small hole made in the movable piece 18 and stretched. The tip 18 is movably locked on the thread to indicate the scale.

[0019] Figure 4 shows how to measure the seat height and horizontal position electronically instead of reading the scale scale visually. In this example, a gear rack 7 is installed above the inner cover 41. a is installed, and the outer cover has a gear 71a that meshes with the rack, and a gear 71a that meshes with the rack. A pontensiometer 72a connected to the rotating shaft of 1a is fixed, and the Since the outer cover 42 also moves up and down as it moves up and down, it does not roll onto the fixed rack 7a. The rotation of the gear is converted into an electrical signal using a potentiometer. Similarly, the rack 7b fixed to the back side of the sheet substrate 31 and the roller support section A gear 71b pivotally supported by the material 32 and a potentiometer joined to the rotating shaft of the gear 71b. FIG. 4 shows an example in which the amount of horizontal movement can be electrically measured using the ohmeter 72b. It is shown. In this case, the rack moves and rotates the gear of the roller fixing member 32. It is something that moves people.

[0020] Then, the change in the resistance value of the potentiometer 72 due to the rotation of the gear 71 is expressed as follows: It is electrically converted into moving length and displayed digitally in units of length on the display. Ru. The display is usually located in front of the practitioner when seated, i.e. on the shoulder of the treatment table or behind it. It is fixed to the front of the side-mounted tray. Therefore, even during treatment, The surgeon can easily know the height and horizontal position of the seat and can raise it at any time if there is a problem. Operate the descending pedal 29 and the slide pedal 28 while looking at the display in front of you. You can adjust the position to best suit your posture.

[0021] FIG. 5 shows the top surface of the floor fixing base 81 of the horizontal arm 8 fixed to the lower end of the column of the chair 3. This shows the angle at which the horizontal arm 8 turns, and one side of the horizontal arm 8 is The shielding angle is the turning position of the chair.

[0022]

[Action and effect]

The dental treatment chair of the present invention has a scale scale with a scale scale for lifting and lowering on the support. Since the seat height is displayed, the practitioner can read the scale directly and immediately determine the current seat height. You can know. The scale on the side of the seat also displays the front and back position of the seat. Similarly, the practitioner can directly read the scale to determine the current front-to-back position of the seat. You can know. Determine your optimal seat height or seat front and back position for the treatment area. It can be quantified for each treatment content, and the appropriate height and position can be quantified before treatment. It can be adjusted accurately and easily. In particular, the rotation angle of the chair should be adjusted to the floor fixed base. If you write this, the positional relationship of the seat from the treatment table as well as the front and rear positions of the seat will be clear. The practitioner should adjust the treatment position taking into consideration the patient's physique and posture on the treatment table. can be quantified, increasing the reliability of seat adjustment before treatment.

[0023] The height of the seat surface can be determined in advance using the measuring scale of the present invention, especially with an indicating device such as a movable piece. Or, since you can specify the horizontal position of the seat, it can be adjusted differently depending on the treatment area. The seat height and front/rear position can be determined at a glance, and adjustments can be made quickly and easily, reducing inconvenience. There will be no need to adopt a natural therapeutic posture.

[0024] In addition, instead of a scale, gears and potentiometers can be used to measure racks and their relative movement. If the height or horizontal position is detected electrically and displayed digitally, the practitioner can can be read directly at any time during treatment without having to read the scale, and is easy to read. Since the optimal posture can be quantified, the reliability and reproducibility of the dental treatment of the practitioner can be improved. The layer will be excellent.

[Brief explanation of drawings]

FIG. 1 is a side view of a dental treatment chair equipped with a lifting scale and a back-and-forth moving scale.

FIG. 2 is a front view of the dental treatment chair.

FIG. 3 is a schematic diagram of a movable piece attached to the elevating scale.

FIG. 4 is a front view and a side view of a dental treatment chair in which the height of the seat and the amount of longitudinal movement are electrically determined using a rack, gears, and potentiometer.

FIG. 5 is a top view of the floor fixed base with attached angle scale.

[Explanation of symbols]

1 scale scale 13 Scale scale 18 Wedge-shaped movable piece 2 Chair support 3 Seat part 30 Seat surface 41 Inner cover 42 Outer cover 7 Gear rack 71 Gear 72 Potentiometer 81 Floor fixed base 82 Floor surface

Claims (7)

[Scope of utility model registration request] Claim 1: An inner cover is attached to the lower part of the chair support that cannot be raised or lowered, and is equipped with a lifting means for moving the chair seat up and down. The member is provided with an outer cover that covers the upper part of the inner cover, and a scale is attached to the outer surface of the inner cover in the axial direction, and the lower edge of the outer cover covers the scale. A dental treatment chair with a scale that indicates the height of the seat. 2. One or more wedge-shaped movable pieces are vertically movably locked to a string or rod that is stretched or suspended in the longitudinal direction of the inner cover in the vicinity of the scale, 2. The dental treatment chair according to claim 1, wherein the height of the seat surface is indicated in advance by a scale on the scale indicated by the tip of the movable piece. 3. A dental treatment chair having a chair support provided with a lifting means for vertically moving the chair seat, wherein one end of a tape measure is fixed to a member on the upper part of the support that can be raised and lowered,
A dental treatment chair in which the tape measure body is fixed to a member at the bottom of the support that cannot be raised or lowered, and the height of the seat surface is displayed using a scale on the tape drawn out from the tape measure body. 4. A chair support provided with a lifting means for moving the chair seat up and down, a horizontal arm having one end fixed to the lower end of the support, and a support shaft rotatably supporting the other end of the horizontal arm. A dental treatment chair consisting of a floor fixing base that is protruded and is to be fixed to the floor surface; A dental treatment chair that is provided with a scale scale and that indicates the horizontal movement position of a seat surface using a scale on the scale scale indicated by a pointer protruding from a fixed member at the upper part of the support. 5. A chair support provided with a lifting means for moving the chair seat up and down, a horizontal arm having one end fixed to the lower end of the support, and a support shaft rotatably supporting the other end of the horizontal arm. A dental treatment chair consisting of a floor fixing base that is protruded and is to be fixed to the floor surface, and an inner cover that covers the support is attached to the lower part of the chair support that cannot be raised or lowered. An outer cover is provided to cover the upper part of the member that can be raised and lowered, and 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 mounted on the outer cover. A dental treatment chair that is fixed to an outer cover and that digitally displays the seat height on the display section that converts the resistance value of the potentiometer into a numerical height signal using a conversion circuit and displays the display section. . 6. A chair support provided with a lifting means for moving the chair seat up and down, a horizontal arm having one end fixed to the lower end of the support, and a support shaft rotatably supporting the other end of the horizontal arm. A dental treatment chair consisting of a floor fixing base that is protruded and is to be fixed to the floor surface; A gear rack is attached, and a potentiometer bearing a gear that meshes with the gear rack is fixed to the fixed member at the top of the support column, and the resistance value of the potentiometer is converted into a numerical signal representing the moving length by a conversion circuit. A dental treatment chair having a display section that digitally displays the forward and backward movement position of a seat surface. 7. A chair support equipped with a lifting means for moving the chair seat up and down, a horizontal arm having one end fixed to the lower end of the support, and a support shaft rotatably supporting the other end of the horizontal arm. A dental treatment chair consisting of a floor-fixing base with a protruding base that is to be fixed to the floor surface, and an angle scale scale attached or engraved on the surface of the base, so that the side edge of the horizontal arm is A dental treatment chair in which the rotation angle position of the chair is displayed using a scale on the shielded angle scale.