KR102552952B1 - Dental unit chair device that is easy to replace handpiece holder - Google Patents

Abstract

The present invention relates to a dental unit chair device, wherein a handpiece holder includes a base portion, a link portion, and a plurality of holders, each of the plurality of holders can hold one handpiece, and each of the plurality of holders is a base The present invention relates to a unit chair device that can be easily coupled to and disconnected from a unit chair and includes a UV light emitting unit formed on a base unit and a UV light cover capable of being coupled to the base unit. According to the present invention, it is possible to provide a dental unit chair device in which hygiene management of the handpiece is easy because the handpiece holder is easily replaced. In addition, it is possible to provide a dental unit chair device that can be easily sterilized and managed easily.

Description

Dental unit chair device that is easy to replace handpiece holder}

The present invention relates to a dental unit chair device, and more particularly, to a dental unit chair device in which a hand piece holder used for dental treatment of a patient can be easily replaced.

[0002] In a dental clinic, an intraoral procedure is performed on a patient using a dental unit chair that allows the patient to sit or lie down on a chair.

The dental unit chair enables a dentist to adjust the position of a patient's back, upper body, or neck so as to be able to perform dental procedures at an appropriate position or height.

Specifically, the dentist performs treatment with the patient's mouth open while sitting in a dental unit chair. The treatment is performed using various dental instruments around the dental unit chair, that is, a handpiece.

The dental unit chair is equipped with a handpiece holder capable of holding various types of handpieces.

Since the handpiece is a device that is used while directly contacting teeth or gums in the mouth of a patient, cleanliness management is very important. However, in a conventional dental unit chair device, a handpiece holder capable of holding a handpiece is integrally coupled to the unit chair device and is non-separable. For this reason, in order to clean the handpiece holder, the handpiece mounted on the handpiece holder must first be removed before cleaning, and since the handpiece holder is integrally coupled to the unit chair, even when cleaning is performed Since it is difficult to clean by directly immersing in water or spraying water with a shower hose, etc., there is no choice but to wipe with a wet towel, etc., so there are restrictions on maintaining cleanliness.

An object of the present invention is to provide a dental unit chair device in which replacement of a handpiece holder is easy.

Another object of the present invention is to provide a dental unit chair device in which a handpiece holder can be easily sterilized and cleaned and managed easily.

A dental unit chair device according to an embodiment of the present invention includes a chair on which a patient can sit or lie down, a display unit displaying treatment-related information, a table unit, a plurality of handpieces, and a handpiece holder for holding a plurality of handpieces. It may include a driving unit for driving the movement of the unit and the chair. In one embodiment, the chair may include a head part for supporting the patient's head, a back support part for supporting the patient's back, and a seating part for seating the patient's legs. The handpiece holder portion may include a base portion, a link portion, and a plurality of holders, and both ends of the link portion may be connected to lower surfaces of the base portion and the table portion, respectively, so that the base portion may be supported by the table portion. A plurality of couplers may be formed on the front of the base unit at predetermined intervals along the longitudinal direction of the base unit, and each of the plurality of holders may include a coupling unit and a holding unit. The holding part includes a cylindrical groove extending in the vertical direction with an open front surface of the holder to hold the handpiece, and the coupling part is formed as a protrusion having a shape corresponding to the coupler and can be inserted into the coupler. there is.

In the dental unit chair device according to an embodiment of the present invention, the handpiece holder part may further include a UV light cover, and the base part has a UV light emitting part formed on the front of the base part and a first fixing part on top of the base part. may further include. The first fixing part may include an inclined part and a stepped part formed on the rear surface of the base part, and the UV light cover includes a top surface part, a front part, two side parts, and a second part formed on one end of the upper surface part on the side opposite to the front part. A fixing part may be included. The second fixing part may include a hook part extending vertically downward from one end of the upper surface part and a support part extending vertically downward from the upper surface part at a side opposite to the hook part and contacting the front surface of the base part. A hook may be formed at a lower end of the hook unit to fix the UV light cover to the base unit by engaging with the stepped unit of the first fixing unit.

In the dental unit chair device according to an embodiment of the present invention, the link part is rotatably connected to the base part and the table part in the vertical direction, and the link part is connected to the handpiece holder part by relative rotation with the base part or the table part. The height can be adjusted up and down.

According to an embodiment of the present invention, it is possible to provide a dental unit chair device in which hygiene management of the handpiece is easy because the handpiece holder is easily replaced.

According to an embodiment of the present invention, it is possible to provide a dental unit chair device that can be easily sterilized and managed easily.

According to an embodiment of the present invention, it is possible to provide a dental unit chair device that can be easily replaced with an appropriate holder according to the type of handpiece.

1 is a perspective view of a conventional dental unit chair device.
2 is a perspective view illustrating a table portion and a handpiece holder portion of a dental unit chair device according to an embodiment of the present invention.
3 is an exploded perspective view of a handpiece holder of a dental unit chair device according to an embodiment of the present invention.
4 is a partially enlarged view showing a coupling relationship between a holder and a base portion of a dental unit chair device according to an embodiment of the present invention.
5 is a side cross-sectional view of a handpiece holder of a dental unit chair device according to an embodiment of the present invention.

Specific structural or functional descriptions of the embodiments of the present invention are disclosed for illustrative purposes only, and may be modified and implemented in various forms. Therefore, the embodiments are not limited to the specific disclosed form, and the scope of the present specification includes changes, equivalents, or substitutes included in the technical spirit.

Although terms such as first or second may be used to describe various components, such terms should only be construed for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element.

It should be understood that when an element is referred to as being “connected” to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle.

Terms used in the examples are used only for descriptive purposes and should not be construed as limiting. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the art to which the embodiment belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they should not be interpreted in an ideal or excessively formal meaning. don't

In addition, in describing the embodiments, if it is determined that a detailed description of a related known technology may unnecessarily obscure the gist of the embodiment, the detailed description will be omitted.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims.

In the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, are the same as those commonly understood by one of ordinary skill in the art to which the present invention belongs. It has meaning. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the embodiments of the present invention, an ideal or excessively formal meaning not be interpreted as

The shapes, sizes, ratios, angles, numbers, etc. disclosed in the drawings for explaining the embodiments of the present invention are illustrative, so the present invention is not limited to the details shown. In addition, in describing the present invention, if it is determined that a detailed description of related known technologies may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. When 'includes', 'has', 'consists of', etc. mentioned in this specification is used, other parts may be added unless 'only' is used. In the case where a component is expressed in the singular, the case including the plural is included unless otherwise explicitly stated.

In interpreting the components, even if there is no separate explicit description, it is interpreted as including the error range.

In the case of a description of a positional relationship, for example, 'on top of', 'on top of', 'at the bottom of', 'next to', etc. Or, unless 'directly' is used, one or more other parts may be located between the two parts.

When an element or layer is referred to as being “on” another element or layer, it includes the case where another element or layer is directly on the other element or another layer or other element intervenes therebetween. Like reference numbers designate like elements throughout the specification.

The size and thickness of each component shown in the drawings are shown for convenience of description, and the present invention is not necessarily limited to the size and thickness of the illustrated components.

Each feature of the various embodiments of the present invention can be partially or entirely combined or combined with each other, and as those skilled in the art can fully understand, various interlocking and driving operations are possible, and each embodiment can be implemented independently of each other. It may be possible to implement together in an association relationship.

Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. In the accompanying drawings, identical or corresponding elements are given the same reference numerals. In addition, in the description of the following embodiments, overlapping descriptions of the same or corresponding components may be omitted. However, even if a description of a component is omitted, it is not intended that such a component is not included in any embodiment.

Hereinafter, the dental unit chair device of the present invention will be described in comparison with the prior art.

1 is a perspective view of a conventional dental unit chair device 1'.

The dental unit chair device 1' includes a chair 20' on which a patient can sit or lie down, a display unit 30' displaying treatment-related information, a table unit 40', and a plurality of handpieces 50'. ), a handpiece holder unit 10' for holding a plurality of handpieces, and a driving unit (not shown) for driving the movement of the chair 20'.

The dental unit chair device 1' includes a lighting unit 60' for illuminating the inside of the patient's oral cavity, a water supply unit 70' for supplying a cleaning solution for rinsing the patient's mouth, and a unit chair device (1) in a wireless or wired communication method. ') and may further include a foot controller (Foot controller; 80') capable of controlling the chair 20' and various treatment tools.

In addition, the chair 20' of the dental unit chair device 1' includes a head portion 21' supporting the patient's head, a back support portion 22' supporting the patient's back, and a seating area on which the patient's legs are seated. It may include a part 23' and an armrest part 24' on which the patient can lean his arm.

Hereinafter, configurations of the present invention corresponding to the configurations shown in FIG. 1 are denoted by reference numerals without single quotation marks in the reference numerals of FIG. 1 .

In one embodiment of the present invention, the chair 20 is a chair on which a patient can sit or lie down when receiving treatment from a dentist or undergoing surgery. The head part 21 of the chair 20 supports the patient's head, the backrest part 22 supports the patient's back, and the seating part 23 supports the patient's legs. In addition, the armrest part 24 may be located on both sides of the back support part 22 or the seating part 23 . The armrest unit 24 may be provided at a position corresponding to a part where both arms of a patient seated on the chair 20 are naturally positioned so that the patient can undergo a checkup or surgery in a stable posture.

In one embodiment, the driving unit may provide power to the chair 20 so that the chair 20 moves. For example, the driving unit may include a motor (not shown), move the head unit 21 of the chair 20, the back support unit 22, and the seating unit 23, etc. The shape of the chair 20 can be transformed into an appropriate shape according to the body shape.

Specifically, the head part 21 is rotatable within a predetermined angular range in the front-rear direction with respect to the backrest part 22, and the backrest part 22 rotates at a predetermined angle in the vertical direction with respect to the seating part 23. It can be rotatably connected within the range. Such a rotational movement can be realized by a driving unit. At this time, the front-back direction means the longitudinal direction of the unit chair device 1, that is, the direction in which the patient lies on the unit chair device 1.

Since the head part 21, the backrest part 22, and the seat part 23 can rotate relative to each other in the front-rear direction or the up-and-down direction, the patient can sit or lie down at an angle desired, and the angle at which the head is supported can also be adjusted. It can be freely adjusted to a comfortable angle.

In addition, in one embodiment of the present invention, the seating part 23 may be designed such that one end connected to the backrest part 22 is fixed, and the other end thereof can be folded or unfolded in the vertical direction. Such an operation can be realized by a driving unit. By adjusting the other end of the seating portion 23 to be folded or unfolded, the patient can sit with his or her legs stretched out or with the knees bent to support the legs on the ground.

As described above, in the dental unit chair device 1 according to the present invention, the shape of the chair 20 can be freely deformed into a posture corresponding to a patient's body shape or posture by an operation such as rotation by a drive unit.

In one embodiment of the present invention, the head part 21 or the backrest part 22 of the chair 20 may further include a cushion part (not shown). With the cushion portion, the patient can sit or lie down on the unit chair device 1 more comfortably and comfortably.

In one embodiment of the present invention, the display unit 30 may be a device for displaying information necessary for a patient or medical staff in a medical treatment process. In one embodiment, the display unit 30 may be a display device that displays data by electronic signals. In one embodiment, the display unit 30 may include a main display and a sub display. The main display may be for providing main information to medical personnel. The sub display is for providing main information to the patient, and may be disposed at a location different from that of the main display. In one embodiment, the display unit 30 may be electrically connected to a processor such as a CPU.

In one embodiment of the present invention, the dental unit chair device 1 may include a table portion 40 .

In one embodiment, the table unit 40 may be a treatment table unit equipped with an interface for manipulating the handpiece 50 or holding a treatment instrument (handpiece) 50 for patient treatment, a treatment chart, and the like.

In one embodiment, the table portion 40 may support the handpiece holder portion 10 for holding various kinds of handpieces 50 used for diagnosis and/or treatment.

In one embodiment, the table unit 40 may include a supply unit (not shown) for supplying at least one of electricity, pneumatic pressure, and hydraulic pressure to be used for the operation of the hand piece 50 . For example, an oral light, which is one of the handpieces 50, may be turned on with electricity supplied from a supply unit included in the table unit 40.

In one embodiment, the table unit 40 may include various switches (not shown). Considering a position where an operator, ie, a dentist sits, the table portion 40 may be located at a distance where a dentist can easily reach by stretching out his/her hand. Considering this point, various switches capable of controlling each part of the dental unit chair device 1 may be included in the table unit 40 .

In one embodiment of the present invention, a plurality of hand pieces 50 may be placed or supported on the hand piece holder part 10. Since the unit chair device 1 includes a plurality of handpieces 50 and a handpiece holder portion 10 for supporting or mounting the plurality of handpieces 50, the dentist may carry the handpieces 50 separately. It is not necessary, and the handpiece 50 can be obtained and used from the unit chair device 1 where the patient is sitting or lying down, and it is very convenient because it can be stored immediately on the spot after use. On the other hand, the specific structure and configuration of the handpiece holder unit 10 will be described later.

In the dental unit chair device 1 according to an embodiment of the present invention, the lighting unit 60 may be disposed at a position where the inside of the patient's oral cavity is not covered by the body of the dentist. For example, when a dentist examines the inside of a patient's oral cavity by moving the upper body, it may be disposed in an upper position where the inside of the oral cavity does not become dark.

In one embodiment, the lighting unit 60 may emit light in different colors as needed. For example, the brightness of light or the wavelength of light may be adjusted according to ambient brightness and/or examination contents.

In one embodiment, it is possible to differently control the luminous intensity of illumination of the lighting unit 60 in response to the posture adjustment of the chair 20 by the driving unit.

In the dental unit chair apparatus 1 according to an embodiment of the present invention, the water supply unit 70 may supply a cleaning liquid for the patient to clean the inside of the oral cavity. In one embodiment, the water supply 70 may include a drainage device and/or a spitting table.

In the dental unit chair device 1 according to an embodiment of the present invention, the foot controller 80 may be used to control the operation of at least one handpiece 50 . The dentist can use both hands freely while controlling the handpiece 50 by manipulating the foot controller 80 with his feet.

Hereinafter, the specific configuration and structure of the handpiece holder unit 10 according to the present invention will be described in detail.

2 is a perspective view showing the table part 40 and the handpiece holder part 10 of the dental unit chair device 1 according to an embodiment of the present invention. 3 is an exploded perspective view of the handpiece holder part 10 of the dental unit chair device 1 according to an embodiment of the present invention.

In the dental unit chair device 1 according to an embodiment of the present invention, the handpiece holder part 10 includes a base part 11, a link part 12, a plurality of holders 13 and a UV light cover. (14) may be included.

In one embodiment, the base portion 11 may be formed in a rectangular plate shape. The base portion 11 may be arranged to extend left and right (refer to FIG. 2 ) in the longitudinal direction, and may be arranged to extend vertically in the width direction. The base part 11 may be supported by the table part 40 through the link part 12 connected to the rear surface of the base part 11 . On the front side of the base portion 11, a plurality of couplers 111 may be arranged at predetermined intervals along the longitudinal direction of the base portion 11. A plurality of UV light emitting units 112 may be disposed on the upper front portion of the base unit 11 along the longitudinal direction. The UV light emitter 112 may emit UV light.

In one embodiment, one end of the link portion 12 is connected to the rear surface of the base portion 11, and the other end of the link portion 12 may be connected to the lower surface of the table portion 40. Through such a coupling structure, the base part 11 may be supported by the table part 40 .

In one embodiment, a plurality of holders 13 may be coupled to the base part 11 . The holder 13 may be formed so that one handpiece 50 can be mounted on each holder 13 . The holder 13 may be coupled to the base part 11 through the coupler 111 of the base part 11 .

In this way, in the dental unit chair device 1 according to the present invention, each of the unit holders 13 capable of holding one hand piece 50 can be freely coupled and released from the base part 11. . Due to this, it is very easy to separate each holder 13 and perform a separate cleaning operation. As a result, hygiene management of the handpiece holder 10 on which the handpiece 50 is mounted is very easy.

In one embodiment, the UV light cover 14 may include a top portion 141, a front portion 142, and two side portions 143. The UV light cover 14 may be coupled to the base portion 11 to cover the plurality of holders 13 and the plurality of handpieces 50 mounted on the plurality of holders 13 .

4 is a partially enlarged view showing the coupling relationship between the holder 13 and the base part 11 of the dental unit chair device 1 according to an embodiment of the present invention.

In the dental unit chair device 1 according to an embodiment of the present invention, each of the plurality of holders 13 may include a coupling part 131 and a holding part 132 .

In one embodiment, the holding part 132 may include a cylindrical groove extending in the vertical direction in which the front surface of the holder 13 is opened. The handpiece 50 may be mounted in the cylindrical groove of the holding unit 132 .

In one embodiment, at least two of the plurality of holders 13 may include holding parts 132 formed with cylindrical grooves having different diameters. As a result, it is possible to properly select the holder 13 suitable for the size of the handpiece 50 to be mounted for each situation and couple it to the base part 11. That is, it is possible to provide a dental unit chair device 1 that can be utilized more flexibly in situations through the holder 13 according to the present embodiment.

In one embodiment, the coupling part 131 of the holder 13 may be formed as a protruding part having a shape corresponding to the coupling part 111 of the base part 11 . Accordingly, the holder 13 may be coupled to the base portion 11 by inserting the coupling portion 131 of the holder 13 into the coupling hole 111 of the base portion 11 .

In one embodiment, each of the plurality of couplers 111 formed on the base portion 11 may include a first circular portion 111a and two first wing portions 111b. The first circular portion 111a may be a circular groove. The first wing portion 111b may be a substantially trapezoidal groove connected radially outward from the outer circumference of the first circular portion 111a. The two first wing portions 111b may be disposed on both sides of the first circular portion 111a in an oblique direction inclined at a predetermined angle from the horizontal direction. That is, the straight line connecting the two first wing portions 111b may be inclined at a predetermined angle from the horizontal direction. A predetermined angle between the straight line connecting the two first wing portions 111b and the horizontal direction may be, for example, 10° or more and 45° or less. However, the predetermined angle formed by the straight line connecting the two first wing portions 111b to the horizontal direction is not necessarily limited to the above angle range.

In one embodiment, the coupling portion 131 of the holder 13 may include a second circular portion 131a and two second wing portions 131b. The second circular portion 131a of the coupling portion 131 may have a cylindrical shape protruding backward from the rear surface of the holder 13 . The second wing portion 131b of the holder 13 may be a substantially trapezoidal columnar protruding portion connected radially outward from the outer circumference of the second circular portion 131a. The second wing portion 131b may be horizontally disposed on both sides of the second circular portion 131a. In one embodiment, a gap may be formed between the rear surface of the holder 13 and the second wing portion 131b. That is, the second wing portion 131b may be formed apart from and not directly connected to the rear surface of the holder 13, and may be indirectly connected to the rear surface of the holder 13 through the second circular portion 131a.

In the dental unit chair device 1 according to an embodiment of the present invention, the holder 13 allows the two first wing parts 111b and the two second wing parts 131b to be engaged with each other. With the holder 13 tilted at a predetermined angle, insert the coupling part 131 of the holder 13 into the coupling hole 111 of the base part 11, and then rotate the holder 13 in the horizontal direction to make the base part (11) can be fixed. Through this coupling method, the holder 13 can be easily detached and replaced with a simple structure.

5 is a side cross-sectional view of the handpiece holder part 10 of the dental unit chair device 1 according to an embodiment of the present invention.

In the dental unit chair device 1 according to an embodiment of the present invention, the link part 12 may be rotatably connected to the base part 11 and/or the table part 40 in the vertical direction. The link unit 12 can adjust the height of the handpiece holder unit 10 by relative rotation with the base unit 11 or the table unit 40 . Accordingly, the handpiece holder 10 can be freely positioned at a position where the dentist can easily pick up the handpiece 50 .

In the dental unit chair device 1 according to an embodiment of the present invention, the base part 11 may further include a first fixing part 113 at an upper end of the base part 11 . The first fixing part 113 may include an inclined part 113a and a stepped part 113b formed on the rear surface of the base part 11 . In one embodiment, the inclined portion 113a may be formed to protrude from the rear surface of the base portion 11 while being inclined from one end to the other end. One end of the inclined portion 113a may be an upper end, and the other end of the inclined portion 113a may be a lower end. The stepped portion 113b may be a stepped portion formed at the other end of the inclined portion 113a.

In the dental unit chair device 1 according to another embodiment of the present invention, the UV light cover 14 is formed on one end of the upper surface portion 141 on the side opposite to the front portion 142. government 144.

In one embodiment, the second fixing part 144 has a hook part 144a extending downward in the vertical direction from one end of the upper surface part 141 of the UV light cover 14 and a side opposite to the hook part 144a. It may include a support portion 144b extending downward from the upper surface portion 141 in a vertical direction and positioned to be in contact with the front surface of the base portion 11 . At the lower end of the hook part 144a, a hook capable of fixing the UV light cover 14 to the base part 11 by engaging with the stepped part 113b of the first fixing part 113 of the base part 11 ( 144c) can be formed.

In one embodiment, in a state where the second fixing part 144 of the UV light cover 14 is disposed above the first fixing part 113 of the base part 11, the UV light cover 14 is lowered. It can be combined by pressing it into the base part 11. At this time, the first fixing part 113 of the base part 11 is inserted into the space between the hook part 144a of the second fixing part 144 of the UV light cover 14 and the support part 144b. In addition, the hook 144c of the second fixing part 144 rides up the inclined part 113a of the first fixing part 113 and passes through the other end of the inclined part 113a to engage with the stepped part 113b. do. By this, the UV light cover 14 can be firmly fixed to the base part 11 .

In the dental unit chair device 1 according to an embodiment of the present invention, the second fixing part 144 of the UV light cover 14 and the first fixing part 113 of the base part 11 are magnetic. can be noticed Accordingly, the first fixing part 113 and the second fixing part 144 can be more firmly fixed by magnetic force.

In one embodiment, the UV light emitter 112 may be disposed at a position corresponding to a position where each hand piece 50 is mounted. That is, the UV light emitting part 112 may be disposed above each coupler 111 formed on the base part 11 . Accordingly, UV light for sterilizing the handpiece 50 can be provided at a position corresponding to each handpiece 50 .

In one embodiment, when the dental unit chair device 1 is not used, the handpiece 50 by the UV light emitter 112 in a state in which the UV light cover 14 is coupled to the base portion 11 Sterilization can proceed. By covering the UV light cover 14, loss of UV light can be minimized to promote sterilization efficiency.

According to the dental unit chair device 1 according to an embodiment of the present invention, the UV light emitting unit 112 for sterilizing the handpiece 50 is directly installed on the unit chair device 1 so that it can be seen directly. It is possible to show the patient that the handpiece 50 is hygienically managed, and thus, it is easy to reassure the patient and build trust from the patient.

Although the technical spirit of the present disclosure has been described by examples shown in some embodiments and the accompanying drawings, those skilled in the art can understand the technical spirit and scope of the present disclosure to which the present disclosure belongs. It should be noted that various substitutions, modifications and alterations may be made within the range. Moreover, it is to be understood that such substitutions, modifications or alterations fall within the scope of the appended claims.

1: dental unit chair device
10: handpiece holder part
11: base part
12: link part
13: Holder
14: UV light cover
20: chair
30: display unit
40: table part
50: handpiece

Claims (3)

a chair 20 on which a patient can sit or lie down;
a display unit 30 displaying treatment-related information;
table portion 40;
a plurality of handpieces 50;
a handpiece holder unit 10 for holding a plurality of the handpieces; and
a drive unit for driving the movement of the chair 20;
including,
The chair 20,
a head portion 21 supporting the patient's head;
a back support portion 22 supporting the patient's back; and
Including; a seating portion 23 for seating the patient's legs,
The handpiece holder part 10,
base part 11;
Link unit 12; and
A plurality of holders 13; including,
Both ends of the link part 12 are connected to the lower surfaces of the base part 11 and the table part 40, respectively, so that the base part 11 is supported by the table part 40,
A plurality of couplers 111 are formed at predetermined intervals along the longitudinal direction of the base part 11 on the front of the base part 11,
Each of the plurality of holders 13 includes a coupling part 131 and a holding part 132,
The holding part 132 includes a cylindrical groove extending in the vertical direction in which the front surface of the holder 13 is opened to hold the handpiece 50,
The coupling part 131 is formed as a protrusion having a shape corresponding to the coupler 111 and is inserted into the coupler 111 and coupled.
The handpiece holder part 10 further includes a UV light cover 14,
The base part 11 further includes a UV light emitting part 112 formed on the front of the base part 11 and a first fixing part 113 on the upper end of the base part 11,
The first fixing part 113 includes an inclined part 113a and a stepped part 113b formed on the rear surface of the base part 11,
The UV light cover 14,
upper surface portion 141;
front portion 142;
two side parts 143; and
A second fixing part 144 formed at one end of the upper surface part 141 on the side opposite to the front part 142; includes,
The second fixing part 144 includes a hook part 144a extending downward from the one end of the upper surface part 141 in a vertical direction and from the upper surface part 141 on the side opposite to the hook part 144a. A support portion 144b extending downward in the vertical direction and contacting the front surface of the base portion 11,
A hook 144c is formed at the lower end of the hook part 144a to fix the UV light cover 14 to the base part 11 by engaging with the stepped part 113b of the first fixing part 113. felled,
Dental unit chair device (1). delete According to claim 1,
The link part 12 is rotatably connected to the base part 11 and the table part 40 in the vertical direction,
The link part 12 can adjust the height of the handpiece holder part 10 by relative rotation with the base part 11 or the table part 40,
Dental unit chair device (1).

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