KR102421702B1 - Dental headrest apparatus - Google Patents

Abstract

A dental headrest according to an embodiment of the present invention includes a first seating part disposed in the center and a second seating part surrounding the first seating part on the front surface on which the user's head is seated, the surface of the first seating part and A surface of the second seating part may be formed of a plurality of metal strings extending in a linear shape and arranged adjacently and side by side. Accordingly, as the surface of the dental headrest is made of metal, bacterial growth is suppressed, so that more hygienic dental treatment can be performed.

Description

Dental headrest {DENTAL HEADREST APPARATUS}

The present invention relates to a dental headrest, and more particularly, a headrest comprising a single seating part disposed in the center and a seating part disposed on the outside surrounding the headrest, and the surface of each seating part is a linear shape made of metal. It relates to a dental headrest made of metal strings, which is hygienic, has reduced bacterial growth, and at the same time has elasticity to provide a feeling of cushioning.

In dentistry, a dental chair on which a patient can sit is arranged. A dental chair has a headrest on which a patient can lean on his/her head, and the headrest may generally be made of leather, artificial leather, fabric, or the like.

If the headrest is made of leather, artificial leather or fabric, it has a cushioning feeling, which can provide comfort to the patient who rests his or her head on the headrest. However, when the headrest is contaminated by water, foreign substances, etc. generated during dental treatment, there is a problem in that there is a large risk of bacterial propagation even if the headrest is removed. In particular, in the case of the headrest, there is a high possibility of contamination compared to other parts of the dental chair, and there is a problem that secondary infection of the patient may be concerned.

An object of the present invention is to provide a dental headrest in which the surface of a dental headrest is wrapped with a metal string, which is hygienic and suppresses bacterial growth compared to a headrest made of leather or the like.

In addition, another problem to be solved by the present invention is that the surface of the dental headrest is made of a metal string having a linear shape, and the surface can have elasticity compared to the case where the surface is all covered with metal, so that a cushioning feeling is felt An object of the present invention is to provide a dental headrest.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to solve the above problems, a dental headrest according to an embodiment of the present invention includes a first seating part disposed in the center and a second seating part surrounding the first seating part on the front surface where the user's head is seated. Including, the surface of the first seating part and the surface of the second seating part may be formed of a plurality of metal strings extending in a linear shape and disposed adjacently and side by side. Accordingly, as the surface of the dental headrest is made of metal, bacterial growth is suppressed, so that more hygienic dental treatment can be performed.

A dental headrest according to another embodiment of the present invention includes a first seating part and one or more seating parts surrounding the first seating part, and the surfaces of the first seating part and the one or more seating parts are adjacent to each other. It is made of a metal string, and may have elasticity against an external force. Accordingly, the user who rests his/her head on the dental headrest may feel a sense of relief and comfort, and more hygienic dental treatment may be performed.

The details of other embodiments are included in the detailed description and drawings.

According to the present invention as described above, it has various effects as follows.

According to the present invention, bacterial growth on the surface of the dental headrest is reduced and the surface of the headrest can have a cushioning feeling.

The effect according to the present invention is not limited by the contents exemplified above, and more various effects are included in the present specification.

1A is a view showing a dental headrest according to an embodiment of the present invention.
FIG. 1B is an enlarged view of an area A of FIG. 1A.
2 is a view showing a dental headrest according to another embodiment of the present invention.
3 is a view showing a dental headrest according to another embodiment of the present invention.
4A to 4B are enlarged cross-sectional views of area B of FIG. 3 .
4C is a side view of a dental headrest according to another embodiment of the present invention.
5 is a cross-sectional view of a dental headrest according to another embodiment of the present invention.
6 is a view showing a dental headrest according to another embodiment of the present invention.

Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims.

The shapes, sizes, proportions, angles, numbers, etc. disclosed in the drawings for explaining the embodiments of the present invention are illustrative and the present invention is not limited to the illustrated matters. Like reference numerals refer to like elements throughout. In addition, in describing the present invention, if it is determined that a detailed description of a related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. When 'including', 'having', 'consisting', etc. mentioned in this specification are used, other parts may be added unless 'only' is used. When a component is expressed in the singular, the case in which the plural is included is included unless specifically stated otherwise.

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

In the case of a description of the positional relationship, for example, when the positional relationship of two parts is described as 'on', 'on', 'on', 'beside', etc., 'right' Alternatively, one or more other parts may be positioned between two parts unless 'directly' is used.

Reference to a device or layer “on” another device or layer includes any intervening layer or other device directly on or in the middle of another device.

Although first, second, etc. are used to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish one component from another. Accordingly, the first component mentioned below may be the second component within the spirit of the present invention.

Like reference numerals refer to like elements throughout.

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

Each feature of the various embodiments of the present invention may be partially or wholly combined or combined with each other, and as those skilled in the art will fully understand, technically various interlocking and driving are possible, and each embodiment may be independently implemented with respect to each other, It may be possible to implement together in a related relationship.

1A is a view showing a dental headrest according to an embodiment of the present invention. FIG. 1B is an enlarged view of an area A of FIG. 1A.

1A to 1B , the dental headrest 100 is a part of a dental chair and is a part on which the user's head is seated. The front surface 10 of the dental headrest 100 is a surface on which the user's head is seated, and the rear surface 20 of the dental headrest 100 means an opposite surface corresponding to the front surface 10 . The dental headrest 100 includes a first seating part 110 and a second seating part 120 on the front surface 10 .

The first seating part 110 of the dental headrest 100 is disposed in the center of the front surface 10 of the dental headrest 100 so that the central part of the user's head is seated. The second seating part 120 of the dental headrest 100 is disposed on the edge of the front surface 10 so that the rest except for the central part of the user's head is seated. The second seating part 120 is disposed to surround the edge of the first seating part 110 .

In FIG. 1A , the first seating part 110 and the second seating part 120 are shown to be circular, but the present invention is not limited thereto. can be modified accordingly. For example, the first seating part 110 and the second seating part 120 may have an elliptical shape with a long axis parallel to the ground. Unlike this, the first seating part 110 and the second seating part 120 are It may have a square or rectangular shape.

Surfaces of the first mounting part 110 and the second mounting part 120 may be formed of a plurality of metal strings 111 . Referring to FIG. 1B which is an enlarged view of region A of FIG. 1A , the plurality of metal strings 111 may have a linear configuration made of metal extending in a direction parallel to the ground. The metal string 111 may be made of various metal materials. For example, the metal string 111 may be made of stainless steel, steel, aluminum, an alloy material, etc., but is not limited thereto.

The metal string 111 may be as thin as a thread, and a cross-section thereof may be circular. However, it is not limited thereto, and the cross section may be oval or rectangular.

When the cross-section of the metal string 111 is elliptical, the long axis of the cross-section of the metal string 111 may be parallel to the surfaces of the first and second seating units 110 and 120 . That is, the wide surface in the long axis direction of the metal string 111 is disposed to be parallel to the surfaces of the first and second seating units 110 and 120 , so that the first and second mounting units 110 and 120 are parallel to each other. The user's head may be seated in 120 more stably.

In addition, when the cross-section of the metal string 111 is rectangular, the metal string 111 may be disposed such that the long edge of the rectangular cross-section is parallel to the surfaces of the first and second seating units 110 and 120 . can That is, the wide surface of the long edge of the metal string 111 is disposed to be parallel to the surfaces of the first and second seating units 110 and 120 , so that the first and second mounting units 110 and 120 are parallel to each other. The user's head may be seated in 120 more stably.

The plurality of metal strings 111 may be adjacently arranged side by side, and surfaces of the adjacent metal strings 111 may be in contact with each other. As the plurality of metal strings 111 are arranged side by side while making contact with each other, the surfaces of the first and second mounting portions 110 and 120 may be completely covered with the plurality of metal strings 111 .

The dental headrest 100 according to an embodiment of the present invention has a surface as a plurality of metal strings 111 made of stainless steel or the like are disposed on the surfaces of the first seating part 110 and the second seating part 120 . bacterial growth can be reduced.

In the case of a conventional dental headrest, the surface may be made of leather, artificial leather, fabric, plastic, or the like. In this case, various bacteria generated during dental treatment can be easily propagated by attaching to the surface of the dental headrest. Also, it may be difficult to clean the dental headrest. If not cleaned thoroughly, users receiving dental treatment could be exposed to the breeding bacteria.

However, in the dental headrest 100 according to an embodiment of the present invention, the surfaces of the first seating part 110 and the second seating part 120 may be made of a plurality of metal strings 111, and may be made of stainless steel or the like. According to the property of reducing the bacterial propagation of the metallic material, the bacteria adhering to the first mounting part 110 and the second mounting part 120 may be removed, or the growth of bacteria may be reduced. Accordingly, the dental headrest 100 may have an antibacterial surface.

In addition, in the dental headrest 100 according to an embodiment of the present invention, the surface of the first seating part 110 and the surface of the second seating part 120 are disposed on the surface of the plurality of metal strings 111 . It may have elasticity against external force. If a surface made of a metal material is formed along the front surface of the dental headrest, the front surface of the dental headrest may be hard depending on the nature of the metal material with low elasticity. Accordingly, the user leaning on the dental headrest may feel uncomfortable.

In contrast, in the dental headrest 100 according to an embodiment of the present invention, as a plurality of metal strings 111 made of metal such as stainless steel are disposed on the front surface 10 of the dental headrest 100, Surfaces of the first seating part 110 and the second seating part 120 may have elasticity with respect to an external force. When a plurality of metal strings 111 are disposed on the surface of the front surface 10 of the dental headrest 100, the thin string in the shape of a thread can be easily bent by an external force, and when the external force is removed, it returns to its original shape. can return to shape. Accordingly, the user leaning on the first seating part 110 and the second seating part 120 can feel comfortable by this elasticity.

2 is a view showing a dental headrest according to another embodiment of the present invention. The dental headrest 200 of FIG. 2 is substantially different from the dental headrest 100 of FIGS. 1A to 1B except that the first seating part 210 and the second seating part 220 are different. Since it is the same, a duplicate description will be omitted. For convenience of description, it will be described with reference to FIGS. 1A to 1B .

Referring to FIG. 2 , a plurality of metal strings disposed on the surfaces of the first seating part 210 and the second seating part 220 of the dental headrest 200 may be disposed to extend from the center to the edge direction. . Specifically, the plurality of metal strings disposed on the surface of the first seating part 210 may extend in a direction from the center of the first seating part 210 toward the edge of the first seating part 210 to be arranged side by side. have.

In addition, the plurality of metal strings disposed on the surface of the second seating part 220 are from the inner edge of the second seating part 220 adjacent to the first seating part 210 to the outer edge of the second seating part 220 . may extend in a direction toward and be arranged side by side with each other.

According to an embodiment, the plurality of metal strings are not limited to the arrangement structure of FIGS. 1A to 2 and may be arranged in various ways as needed.

For example, the plurality of metal strings may be arranged in a lattice structure. The plurality of metal strings disposed on the surfaces of the first and second seating parts may include a metal string extending in a specific direction along the surface and disposed side by side and a metal string extending in a direction perpendicular to the specific direction and disposed side by side. have. The plurality of metal strings may be arranged to extend in a specific direction and a direction perpendicular thereto, thereby forming a grid pattern. By disposing the plurality of metal strings in a lattice structure, the space between the plurality of metal strings can be minimized, and moisture, dust, foreign substances, etc. present on the surfaces of the first and second seating parts are removed from the first and second seating parts. 2 A phenomenon that flows into the inside of the seating part can be reduced.

3 is a view showing a dental headrest according to another embodiment of the present invention. 4A to 4B are enlarged cross-sectional views of area B of FIG. 3 . 4C is a side view of a dental headrest according to another embodiment of the present invention. The dental headrest 300 of FIGS. 3 to 4C is substantially compared to the dental headrest 100 of FIGS. 1A to 1B , except that it further includes a size adjustment unit 340 and an adjustment switch 350 . As the same bar, duplicate description will be omitted. For convenience of description, it will be described with reference to FIGS. 1A to 1B .

Referring to FIGS. 3 to 4C , a first frame 311 is disposed between the first seating part 110 and the second seating part 120 of the dental headrest 300 , and the second seating part 120 . ) on the outer edge of the second frame 321 is disposed. The first frame 311 and the second frame 321 are configured to firmly support the first seating part 110 and the second seating part 120 .

The first frame 311 of the dental headrest 300 includes a size adjustment unit 340 in the B region (B). The size adjustment unit 340 is configured to adjust the width of the surface of the first seating unit 110 by adjusting the overall length of the first frame 311 . Specifically, when the size adjusting unit 340 reduces the length of the first frame 311 , the surface area of the first seating unit 110 may decrease, and when the length of the first frame 311 is increased, the first frame 311 . 1 The area of the surface of the seating part 110 may increase.

The size adjustment unit 340 includes an adjustment gear 341 , a first gear tooth 344 and one end 342 formed with a plurality of grooves 346 , the other end 343 formed with a second gear tooth, and a plurality of grooves 346 . ) includes a fixing part 347 to be seated.

The adjustment gear 341 of the size adjustment unit 340 is configured to rotate in the first rotation direction SD1 or the second rotation direction SD2 to adjust the separation distance between the one end 342 and the other end 343 . Gear teeth may be formed on the adjustment gear 341 . The central axis of the control gear 341 may be connected to the control switch 350 . The control switch 350 may be connected to the rotation shaft of the control gear 341 to protrude from the rear surface 20 of the dental headrest 300 . A doctor using the dental headrest 300 may manually rotate the adjustment gear 341 by rotating the adjustment switch 350 .

One end 342 of the size adjuster 340 may extend from one end of the first frame 311 . That is, one end 342 of the size adjuster 340 may extend from one end of the first frame 311 , and one end 342 of the size adjuster 340 is made of the same material as the first frame 311 . and can be formed by the same process. A first gear tooth 344 may be formed at one end 342 of the size adjustment unit 340 . One end 342 of the size adjusting unit 340 extending from one end of the first frame 311 is formed with a first gear tooth 344 , and the first gear tooth 344 is one side of the adjustment gear 341 . It may be tooth-coupled with the gear teeth of the adjustment gear 341 in.

The other end 343 of the size adjuster 340 may extend from the other end of the first frame 311 . That is, the other end 343 of the size adjuster 340 may extend from the other end of the first frame 311 , and the other end 343 of the size adjuster 340 is made of the same material as the first frame 311 . and can be formed by the same process. A second gear tooth 345 may be formed at the other end 343 of the size adjustment unit 340 . The other end 343 of the size adjusting part 340 extending from the other end of the first frame 311 is formed with a second gear tooth 345 , and the second gear tooth 345 is the other side of the adjustment gear 341 . It may be tooth-coupled with the gear teeth of the adjustment gear 341 in. Accordingly, the first gear teeth 344 of the one end 342 of the size adjusting unit 340 may be parallel to and opposite to the second gear teeth of the other end 343 to face each other.

A plurality of grooves 346 are formed at one end 342 of the size adjusting unit 340 , and the fixing unit 347 and the spring 348 may be seated at the other end 343 . The plurality of grooves 346 are configured to fix the separation distance between one end 342 and the other end 343 of the size adjusting unit 340 in one of a plurality of steps. The fixing part 347 is seated in one of the plurality of grooves 346 and is configured to fix one end 342 and the other end 343 at a specific distance. The spring 348 is disposed between the fixing part 347 and the other end 343 to adjust the separation distance between the fixing part 347 and the other end 343 by elasticity.

The plurality of grooves 346 may correspond to a plurality of steps of a separation distance between one end 342 and the other end 343 of the size adjusting unit 340 . A plurality of steps may be formed from a step having the smallest separation distance to a step having the largest separation distance. As shown in FIG. 4A , when the fixing part 347 is seated in the groove 346 closest to the first gear tooth 344 among the plurality of grooves 346 , one end 342 and the other end 343 of the size adjusting part 340 are seated. ) may be the smallest. And, when the fixing part 347 is seated in the groove 346 furthest from the first gear tooth 344 among the plurality of grooves 346 as shown in FIG. 4B , one end 342 of the size adjustment part 340 and The separation distance of the other end 343 may be the maximum.

Hereinafter, a process of adjusting the length of the first frame 311 by the size adjusting unit 340 will be described in detail.

Specifically, the first gear teeth 344, the adjustment gear 341, and the second gear teeth 345 of the size adjustment unit 340 may be tooth-coupled with each other in turn, and one end 342 of the size adjustment unit 340 may be toothed. ) and the other end 343 may move in the first direction D1 or the second direction D2 opposite to the first direction D1 according to the rotation direction of the adjustment gear 341 .

When the adjustment gear 341 rotates in the first rotational direction SD1 as shown in FIG. 4a , the first gear teeth 344 engage the gear teeth of the adjustment gear 341 and the bar end 342 moves in the first direction ( D1) can be moved. In addition, the second gear teeth 345 are engaged with the gear teeth of the adjustment gear 341 and the other end 343 may move in the second direction D2. Accordingly, one end 342 and the other end 343 of the size adjusting unit 340 may be separated from each other, and the separation distance may be increased.

As the one end 342 and the other end 343 move away from each other, the fixing part 347 seated in the groove 346 closest to the first gear tooth 344 among the plurality of grooves 346 has a spring 348 pressed. It may be separated from the groove 346 and may be seated in another adjacent groove 346 . When the adjustment gear 341 continuously rotates in the first rotation direction SD1 , the fixing part 347 may be sequentially seated in the plurality of grooves 346 in a direction away from the first gear teeth 344 . As the one end 342 and the other end 343 of the size adjusting unit 340 move away from each other, the overall length of the first frame 311 may increase, and the area of the surface of the first mounting unit 110 may increase. can

When the fixing part 347 is seated in the groove 346 furthest from the first gear tooth 344 among the plurality of grooves 346 as shown in FIG. 4B , one end 342 and the other end of the size adjustment unit 340 ( 343) may be spaced apart by the maximum separation distance. In this case, the first protrusion 349a of the one end 342 and the second protrusion 349b of the other end 343 may contact each other. One end 342 of the size adjusting unit 340 extending further from the first gear tooth 344 may have a first protruding portion 349a protruding in the direction of the other end 343 of the size adjusting unit 340 . . In addition, a second protrusion 349b protruding in the direction of one end 342 may be formed at the other end 343 of the size adjusting unit 340, and the first protrusion 349a and the second protrusion 349b have one end ( When the 342 and the other end 343 are spaced apart by the maximum separation distance, they may come into contact with each other. As the first protrusion 349a and the second protrusion 349b come into contact with each other, the adjustment gear 341 may no longer rotate in the first rotational direction SD1 . Accordingly, the separation distance between one end 342 and the other end 343 of the size adjustment unit 340 can be prevented from exceeding the maximum separation distance, and the overall length of the first frame 311 and the first seating unit 110 ) may not increase any more.

Subsequently, when the adjustment gear 341 rotates in the second rotation direction SD2 opposite to the first rotation direction SD1 as shown in FIG. 4B , one end 342 of the size adjustment unit 340 moves in the second direction. (D2), the other end 343 may move in the first direction (D1). Accordingly, one end 342 and the other end 343 of the size adjusting unit 340 may be brought closer to each other, and the separation distance may be reduced.

As the one end 342 and the other end 343 come closer to each other, the fixing part 347 that was seated in the groove 346 farthest from the first gear tooth 344 among the plurality of grooves 346 is a spring ( 348 may be pressed to disengage from groove 346 and seated in another adjacent groove 346 . When the adjustment gear 341 continuously rotates in the second rotational direction SD2, the fixing part 347 may be sequentially seated in the plurality of grooves 346 as the first gear tooth 344 and the closer it becomes. have. As the one end 342 and the other end 343 of the size adjuster 340 come closer to each other, the overall length of the first frame 311 may be reduced, and the area of the surface of the first seat 110 may be reduced. can

In the dental headrest 300 according to another embodiment of the present invention, the overall length of the first frame 311 may increase or decrease as the first frame 311 includes the size adjustment unit 340, and , the surface area of the first seating part 110 may increase or decrease correspondingly. A patient having various head sizes can lean on the dental headrest 300 and the width of the surface of the first seating part 110 can be adjusted to fit the size of the patient's head.

According to an embodiment, not only the first frame 311 but also the second frame 321 may include the size adjuster 340 . That is, a plurality of size adjusting units 340 may be installed in both the first frame 311 and the second frame 321 . The size adjuster included in the second frame 321 may operate in the same manner as the size adjuster 340 included in the first frame 311 described above. The overall length of the second frame 321 may be adjusted by the size adjusting unit of the second frame 321 , and thus, the width of the surface of the second mounting unit 120 may be adjusted. Accordingly, the width of the surface of the second seating part 120 as well as the first seating part 110 may be adjusted to suit the size of the patient's head leaning on the dental headrest 300 .

According to an embodiment, the size adjustment unit 340 may be adjusted without using the adjustment switch 350 . Specifically, a switch for adjusting the separation distance between one end 342 and the other end 343 of the size adjusting unit 340 may be disposed on the rear surface 20 of the dental headrest 300 or a specific part of the dental chair. have. When a doctor using the dental headrest 300 presses the switch, the size adjustment unit 340 may be operated.

5 is a cross-sectional view of a dental headrest according to another embodiment of the present invention. The dental headrest 400 of FIG. 5 is compared with the dental headrests 100 and 200 of FIGS. 1A to 4C , except that the first seating part 410 and the second seating part 420 are ivory. Since they are substantially the same, duplicate descriptions will be omitted. For convenience of description, it will be described with reference to FIGS. 1A to 4C.

Referring to FIG. 5 , the height of each of the first seating part 410 and the second seating part 420 may be adjusted. Specifically, the height of the first seating portion 410 in the direction from the rear surface 20 to the front surface 10 of the dental headrest 400 may be adjusted. Independently of this, the height of the second seating part 420 in the direction from the rear surface 20 to the front surface 10 of the dental headrest 400 may be adjusted.

According to an embodiment, the entire surface of the first seating part 410 may be divided into a plurality of regions, and the height of each region may be adjusted differently. For example, the surface of the first seating part 410 may be divided into three areas parallel to the ground according to the degree of proximity to the ground. The three regions of the first seating part 410 may be independently adjusted in height. Accordingly, various curves may be formed on the surface of the first seating part 410 according to the shape of the patient's head leaning on the first seating part 410, so that the patient can feel more stable.

According to an embodiment, the entire surface of the second seating part 420 may be divided into a plurality of regions, and the height of each region may be adjusted differently. For example, the surface of the second mounting unit 420 may be divided into four regions above, below, right, and left with respect to the first mounting unit 410 and adjusted to have different heights, respectively. The lower region of the second seating part 420 may be adjacent to the patient's neck, and the height may be adjusted according to a curve between the back part of the patient's head and the back neck of the patient.

In addition, the right and left regions of the second seating part 420 may be adjusted in height so that the patient can receive a dental treatment with his or her head turned to the right or left. When the patient receives the treatment with the head turned to the right, the height of the right region of the second seating unit 420 may be lowered and the height of the left region of the second seating unit 420 may be increased. When the patient receives the treatment with the head turned to the left, the height of the region on the right side of the second seating part 420 may increase and the height on the left side of the second seating part 420 may decrease. Accordingly, even when the patient turns his head to the right or left to receive a dental treatment for a long time, he can lean on the dental headrest 400 more stably.

According to one embodiment, the dental headrest may further include a database. In the database of the dental headrest, at least one of information about the width and height of the preset first seating part and the width and height of the second seating part may be stored. In addition, the dental headrest may receive a signal for at least one of the width and height of the first seat part and the second seat part from the user, and change the width and height of the first seat part and the second seat part accordingly. can For example, first information that the width of the first seating part is the first width and the width of the second seating part is the second width may be stored in the database. The user may input a signal to change the width of each of the first and second seating parts according to the first information by pressing a button included in the dental headrest or by touching the touch screen included in the dental chair. can In this case, the dental headrest may change the width of each of the first seating part and the second seating part to the first width and the second width according to the first information stored in the database.

According to an embodiment, information about a specific patient may be stored in the database of the dental headrest. Specifically, the database may store information on widths and heights of the first and second seating parts tailored to the shape of a specific patient's head. When an input signal for a specific patient is received by the user, the dental headrest may automatically adjust the width and height of the first seating part and the second seating part using information about the specific patient pre-stored in the database. .

6 is a view showing a dental headrest according to another embodiment of the present invention. The dental headrest 500 of FIG. 6 is substantially the same as that of the dental headrests 100, 200, 300, and 400 of FIGS. 1A to 5 , except that it further includes a third seating part 530 . Bar, duplicate description will be omitted. For convenience of description, it will be described with reference to FIGS. 1A to 5 .

Referring to FIG. 6 , the dental headrest 500 further includes a third seating part 530 . The first seating part 110 is disposed in the center of the dental headrest 500 , the second seating part 120 is disposed on the edge of the first seating part 110 , and the second seating part 120 . A third seating part 530 may be disposed on the edge of the .

A plurality of metal strings 111 may be disposed on the surface of the first seating part 110 , the second seating part 120 , and the third seating part 530 of the dental headrest 500 as described above. . The plurality of metal strings 111 may extend in the same direction parallel to the ground as shown in FIG. 6 and may be arranged side by side. However, the present invention is not limited thereto, and the plurality of metal strings may be arranged to extend from the center to the edge as described with reference to FIG. 2 , and alternatively, a lattice structure may be formed.

As described above, at least one of the first seating part 110 , the second seating part 120 , and the third seating part 530 of the dental headrest 500 may have a size adjusting part 340 disposed therein. . When the size adjusting unit 340 is disposed on the frame of the first mounting unit 110 , the length of the frame of the first mounting unit 110 may be adjusted and the width of the first mounting unit 110 may be adjusted. have. When the size adjusting unit is disposed on the frame of the second mounting unit 120 , the length of the frame of the second mounting unit 120 may be adjusted and the width of the second mounting unit 120 may be adjusted. When the size adjustment part is disposed on the frame of the third seating part 530 , the length of the frame of the third seating part 530 may be adjusted and the width of the third seating part 530 may be adjusted.

Each of the first seating part 110 , the second seating part 120 , and the third seating part 530 of the dental headrest 500 is located on the rear surface 20 of the dental headrest 500 as described above. The height in the front (10) direction can be adjusted independently. Specifically, the height of the first seating unit 110 in the direction from the rear surface 20 to the front surface 10 of the dental headrest 500 may be adjusted. Independently of this, the height of the second seating unit 120 in the direction from the rear surface 20 to the front surface 10 of the dental headrest 500 may be adjusted. Also, independently of this, the height of the third seating part 530 in the direction from the rear surface 20 to the front surface 10 of the dental headrest 500 may be adjusted.

In addition, since the entire surface of the first seating unit 110 is divided into a plurality of regions, the height of each region may be adjusted differently. For example, the surface of the first seating part 110 may be divided into three areas parallel to the ground according to the degree of proximity to the ground. The three regions of the first seating part 110 may be independently adjusted in height.

In addition, the entire surface of the second seating part 120 may be divided into a plurality of regions, and the height of each region may be adjusted differently. For example, the surface of the second mounting unit 120 may be divided into four regions above, below, right, and left with respect to the first mounting unit 110 and adjusted to have different heights, respectively.

In addition, the entire surface of the third seating part 530 may be divided into a plurality of regions, and the height of each region may be adjusted differently. For example, the surface of the third mounting unit 530 may be divided into four regions above, below, right, and left with respect to the first mounting unit 110 and adjusted to have different heights, respectively.

The dental headrest 500 according to another embodiment of the present invention includes a first seating part 110 , a second seating part 120 , and a third seating part 530 , to fit the shape of the patient's head. The width or height of the first seating part 110 , the second seating part 120 , and the third seating part 530 may be adjusted more precisely. Accordingly, the patient who has his/her head on the dental headrest 500 can receive a dental treatment stably and comfortably.

A dental headrest according to various embodiments of the present disclosure includes a first seating part disposed in the center and a second seating part surrounding the first seating part on the front surface on which the user's head is seated, the surface of the first seating part and A surface of the second seating part may be formed of a plurality of metal strings extending in a linear shape and arranged adjacently and side by side.

According to another embodiment of the present invention, a plurality of metal strings may be arranged side by side extending in the same direction.

According to another embodiment of the present invention, the plurality of metal strings of the first seating part are arranged from the center of the first seating part in the rim direction of the first seating part, and the plurality of metal strings of the second seating part are, It may be disposed in a direction from the edge to the edge of the second seating part.

According to another embodiment of the present invention, the dental headrest includes a size adjustment unit disposed on at least one frame of the first seating portion and the second seating portion, and the size adjustment unit adjusts the length of the frame to adjust the first The width of the surface of at least one of the seating portion and the second seating portion may be adjusted.

According to another embodiment of the present invention, the size adjusting unit includes an adjustment gear, one end of which first gear teeth are formed to be toothed with the adjustment gear on one side of the adjustment gear, and a second gear that is toothed with the adjustment gear on the other side of the adjustment gear. and the other end with teeth formed, when the adjusting gear rotates in the first rotational direction, the one end and the other end move away from each other and the surface area increases, and the adjusting gear rotates in the second rotational direction opposite to the first rotational direction In this case, one end and the other end become closer to each other and the area of the surface may decrease.

According to another embodiment of the present invention, the dental headrest further includes an adjustment switch disposed on the rear surface corresponding to the front surface of the dental headrest, connected to the center of the adjustment gear, and rotating the adjustment gear as it rotates. can do.

According to another embodiment of the present invention, one end of the size adjusting unit includes a plurality of grooves disposed along the extension direction of the frame, and the other end of the size adjusting unit includes a fixing part seated in one of the plurality of grooves, and a fixing part and a spring disposed between the other end.

According to another embodiment of the present invention, one end of the size adjusting unit includes a first protrusion, and the other end of the size adjusting unit includes a second protrusion that engages the first protrusion so that the one end and the other end do not become separated by a predetermined distance. can do.

According to another embodiment of the present invention, each of the first seating part and the second seating part can be adjusted in height from the rear surface corresponding to the front surface to the front surface.

A dental headrest according to various embodiments of the present disclosure includes a first seating part and one or more seating parts surrounding the first seating part, and the surfaces of the first seating part and the one or more seating parts are adjacent to each other. It is made of a metal string, and may have elasticity against external force.

In the above, the present invention has been described with specific details such as specific components and limited embodiments and drawings, but these are only provided to help a more general understanding of the present invention, and it is not that the present invention is limited to the above embodiments No, those of ordinary skill in the art to which the present invention pertains can devise various modifications and variations from these descriptions.

Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and not only the claims described below, but also all modifications equivalently or equivalently to the claims described below belong to the scope of the spirit of the present invention. will be.

100, 200, 300, 400, 500: dental headrest
10: front
20: rear
110, 210, 410: first seating part
311: first frame
111: metal string
120, 220, 420: second seating part
321: second frame
530: third seating part
340: size adjustment unit
341: adjustment gear
342: once
343: the other end
344: first gear tooth
345: second gear tooth
346: home
347: fixed part
348: spring
349a: first protrusion
349b: second protrusion
350: control switch
A: Area A
B: Area B
D1: first direction
D2: second direction
SD1: first rotation direction
SD2: second rotation direction

Claims (10)

It includes a first seating part disposed in the center and a second seating part surrounding the first seating part on the front surface where the user's head is seated,
A surface of the first seating part and a surface of the second seating part are formed of a plurality of metal strings extending in a linear shape and arranged adjacently and side by side,
and a size adjusting part disposed on the frame of at least one of the first seating part and the second seating part,
The size adjustment unit, but by adjusting the length of the frame to adjust the width of the surface of at least one of the first and second seating portion,
The size adjustment unit,
adjustable gear;
One end formed with first gear teeth so as to be tooth-engaged with the adjustment gear on one side of the adjustment gear; and
and the other end of which second gear teeth are formed so as to be tooth-engaged with the adjustment gear on the other side of the adjustment gear,
When the adjustment gear rotates in the first rotational direction, the one end and the other end move away from each other and the area of the surface increases,
When the adjustment gear rotates in a second rotational direction opposite to the first rotational direction, the one end and the other end become closer to each other and the area of the surface decreases,
The one end of the size adjusting part includes a first protrusion,
The other end of the size adjusting part is engaged with the first protrusion to include a second protrusion that prevents the one end and the other end from being separated by a predetermined distance. According to claim 1,
The plurality of metal strings extend in the same direction and are arranged side by side, a dental headrest. According to claim 1,
The plurality of metal strings of the first seating part are disposed in a direction from a center of the first seating part to an edge of the first seating part,
The plurality of metal strings of the second seating part are disposed in a direction from an edge of the first seating part to an edge of the second seating part, a dental headrest. delete delete According to claim 1,
The dental headrest further comprising an adjustment switch disposed on the rear surface corresponding to the front surface of the dental headrest, connected to the center of the adjustment gear, and rotating the adjustment gear as it rotates. According to claim 1,
The one end of the size adjusting part includes a plurality of grooves disposed along the extension direction of the frame,
The other end of the size adjusting part, a dental headrest comprising a fixing part seated in one of the plurality of grooves, and a spring disposed between the fixing part and the other end. delete According to claim 1,
Each of the first seating portion and the second seating portion is a dental headrest whose height is adjusted from the rear surface corresponding to the front surface to the front surface. Comprising a first seating part and one or more seating parts surrounding the first seating part,
The first seating portion and the surface of the one or more seating portions,
Consists of a plurality of metal strings arranged adjacent to each other and has elasticity against external force,
and a size adjusting part disposed on the frame of at least one of the first seating part and the one or more seating parts,
The size control unit, but by adjusting the length of the frame to adjust the width of the surface of at least one of the first seating part and the one or more seating parts,
The size adjustment unit,
adjustable gear;
One end formed with first gear teeth so as to be tooth-engaged with the adjustment gear on one side of the adjustment gear; and
and the other end of which second gear teeth are formed so as to be tooth-engaged with the adjustment gear on the other side of the adjustment gear,
When the adjustment gear rotates in the first rotational direction, the one end and the other end move away from each other and the area of the surface increases,
When the adjustment gear rotates in a second rotational direction opposite to the first rotational direction, the one end and the other end become closer to each other and the area of the surface decreases,
The one end of the size adjusting part includes a first protrusion,
The other end of the size adjusting part is engaged with the first protrusion to include a second protrusion that prevents the one end and the other end from being separated by a predetermined distance.

Images