KR101401927B1 - X-ray photographing apparatus combining panorama and ct for dental clinic - Google Patents

Abstract

The present invention relates to a dental panorama and a dental panoramic image sensor, which can horizontally move according to a photographing mode and perform photographing with an optimum image magnification, in which a rotary arm in which an X-ray sensor part equipped with a panoramic sensor and a city sensor and a X- And more particularly, to a combined-use X-ray imaging apparatus.
According to an aspect of the present invention, there is provided a panoramic and cognitive X-ray imaging apparatus including: a body including a base, a pillar, a height adjusting unit, and a rotary arm supporting unit; A rotary arm including an X-ray light source part and an X-ray sensor part arranged to face the X-ray light source part; A connection shaft for connecting the rotary arm provided in the rotary arm support portion and the rotary arm; Horizontal moving means for horizontally moving the rotary arm along the rotary arm support portion; A photographing mode input unit to which a photographing mode signal is inputted; A resolver jaw supporting part for fixing the jaw of the examinee; And a sensor unit rotating means for rotating the X-ray sensor unit such that the panoramic sensor or the city sensor faces the examinee in accordance with a photographing mode signal.

Description

TECHNICAL FIELD [0001] The present invention relates to a dental panoramic and city X-ray photographing apparatus,

The present invention relates to a dental panoramic and situ X-ray imaging apparatus, and more particularly, to a dental panoramic and cantilever X-ray imaging apparatus in which a rotary arm in which an X-ray sensor unit having a panoramic sensor and a city sensor and an X- And more particularly, to a dental panoramic and city X-ray imaging apparatus capable of performing horizontally shifted movement and taking an image at an optimal image magnification.

Generally, in the dentistry, there is provided an X-ray apparatus capable of performing X-ray imaging in order to treat teeth and various periodontal diseases or to grasp the state of teeth and alveolar bone for the purpose of correction of the teeth.

Such an X-ray imaging apparatus can be classified into a CT (Computerized Tomography) X-ray imaging apparatus capable of capturing a three-dimensional stereoscopic image and a panoramic X-ray imaging apparatus capable of imaging in a two-dimensional plane.

The CT X-ray imaging apparatus is an imaging apparatus that displays a single-faced image of the body that can not be represented by a general photograph. The X-ray is projected onto a human body while rotating at a constant angle over 360 degrees. The transmitted X- And displays the reconstructed absorption value for the cross section of the human body as an image.

In addition, the panoramic X-ray imaging apparatus is a device capable of panoramic photographing so that the entire tooth state and the jaw joint can be seen at a glance by photographing the whole in the circumferential direction around the X-ray generator.

However, the CT X-ray imaging apparatus can acquire only the tomographic image, while the panoramic X-ray imaging apparatus can acquire only the panoramic image. Therefore, in recent years, X-ray imaging apparatuses capable of acquiring both a tomographic image and a panoramic image have been developed.

With respect to this prior art, Japanese Patent Application Laid-Open No. 10-2007-0017664 discloses a technique relating to panoramic and cis-radiographic equipment. The X-ray source unit and the X-ray source unit are disposed so that the X-ray sensor unit and the X-ray source unit are opposed to each other, and the X-ray source unit and the X- And moves the position of the light emitting diode.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide an X-ray imaging apparatus and a X- The present invention relates to a panoramic radiographic apparatus and a radiographic apparatus.

Further, the present invention is characterized in that the panoramic sensor and the city sensor are concentrically rotated by a rotation driving unit to switch modes, and when the mode is switched, the rotary arm in which the X-ray light source unit is disposed is moved horizontally so as to face the X- An object of the present invention is to provide a dental panoramic and cantilever X-ray imaging apparatus capable of varying a distance between an X-ray light source unit and an X-ray sensor unit and adjusting the image magnification according to each mode.

However, the object of the present invention is not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a dental panoramic and situ X-ray imaging apparatus including a base, a column vertically connected to the base, a height adjuster mounted on the column and vertically movable, A body extending in a vertical direction at an upper end of the regulating portion and including a rotary arm supporting portion for supporting the rotary arm; A rotary arm including an X-ray light source unit for generating X-rays, and an X-ray sensor unit disposed opposite to the X-ray light source unit, the X-ray sensor unit including a panoramic sensor and a city sensor spaced apart from each other to detect the X- A connecting shaft for connecting the rotating arm to the rotating arm rotating means provided in the rotating arm supporting portion and rotating the rotating arm by the rotating power of the rotating arm rotating means; A horizontal moving means installed in the rotary arm for horizontally moving the rotary arm along the rotary arm supporting portion; A photographing mode input unit to which a photographing mode signal for selecting a panorama photographing mode or a city photographing mode is input; A depth adjuster disposed perpendicularly to the height adjuster to fix a jaw of the examinee; And a sensor unit disposed between the rotary arm and the X-ray sensor unit for rotating the X-ray sensor unit such that the panoramic sensor or the city sensor faces the examinee in accordance with a photographing mode signal input to the photographing mode input unit, And rotating means.

The panoramic and cognitive X-ray imaging apparatus according to the present invention is characterized in that the horizontal moving means comprises: a rotary arm horizontal drive motor for generating rotational power; A rotary arm horizontal drive ball screw which is connected to one end of the rotary arm horizontal drive motor and converts the generated rotary power into a horizontal linear motion; A connection shaft fixing member connected to the other end of the rotary arm horizontal drive ball screw and fixing the connection shaft; And at least one LM (Linear Motion) guide rail mounted in the rotary arm, and at least one LM guide rail mounted on the connection shaft fixing member for interlocking with the LM guide rail, The horizontal movement unit slides the rotary arm according to a photographing mode signal input to the photographing mode input unit.

The panoramic and cognitive X-ray photographing apparatus according to the present invention is characterized in that when the photographing mode inputted to the photographing mode inputting section is the panoramic photographing mode, the distance between the X- Mode, the rotary arm is horizontally moved so as to be farther than the case of the mode.

The panoramic and cognitive X-ray photographing apparatus according to the present invention is characterized in that the panoramic and cognitive X-ray photographing apparatus includes a height adjusting section, which is mounted on the height adjusting section and moves the height adjusting section in the vertical direction according to an input signal of the photographing mode input section, And a moving means for moving the moving object.

In the panoramic and cognitive X-ray imaging apparatus according to the present invention, when the photographing mode input to the photographing mode input unit is the panoramic photographing mode, the magnification of the panorama is 1: 1.303, Mode image magnification is 1: 1.442, and the image magnification is a distance between the X-ray sensor part and the examinee, and a distance ratio between the X-ray sensor part and the X-ray light part.

The panoramic and cognitive X-ray imaging apparatus according to the present invention is characterized in that the sensor section is concentrically rotated by the sensor section rotation means.

According to the dental panoramic and cognitive X-ray photographing apparatus of the present invention, the distance between the examinee and the X-ray light source part can be adjusted to the distance ratio between the X-ray sensor part and the X-ray light source part, There is an advantage.

According to the dental panoramic and cantilever X-ray imaging apparatus of the present invention, the panoramic sensor and the city sensor are concentrically rotated by the rotation driving unit to switch modes, and when the mode is switched, the X- The distance between the X-ray light source unit and the X-ray sensor unit can be changed with respect to the examinee, and the image magnification can be adjusted according to each mode.

1 is a rear side perspective view showing a configuration of a dental panoramic and situ X-ray imaging apparatus according to the present invention.
2 is a front view showing a configuration of a dental panoramic and situ X-ray imaging apparatus according to the present invention.
3 (a) and 3 (b) are illustrations showing the operation of the rotary arm of the dental panoramic and cognitive X-ray imaging apparatus according to the present invention.
Fig. 4 is a configuration diagram showing the internal structure of a rotary arm of the dental panoramic and cognitive X-ray imaging apparatus viewed from the direction A in Fig.
Fig. 5 is a configuration diagram showing the internal configuration of a rotary arm supporting portion of a dental panoramic and cognitive X-ray imaging apparatus according to the present invention.
Fig. 6 is a configuration diagram showing the configuration of a rotating means of a dental panoramic and situ X-ray imaging apparatus according to the present invention.
7 (a) to 7 (c) are views showing examples of the operation of the rotating means of the rotary arm supporting portion according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a detailed description of preferred embodiments of the present invention will be given with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Embodiments in accordance with the concepts of the present invention can make various changes and have various forms, so that specific embodiments are illustrated in the drawings and described in detail in this specification or application. It is to be understood, however, that it is not intended to limit the embodiments according to the concepts of the present invention to the particular forms of disclosure, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between. Other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises ",or" having ", or the like, specify that there is a stated feature, number, step, operation, , Steps, operations, components, parts, or combinations thereof, as a matter of principle.

1 is a rear side perspective view showing a configuration of a dental panoramic and city combined X-ray imaging apparatus according to the present invention, and Fig. 2 is a front view showing a configuration of a dental panoramic and city- .

1 and 2, the dental panoramic and cognitive X-ray imaging apparatus 1 of the present invention includes a base 100, a column 200, a height adjuster 300, 400, and a rotary arm 500. The body 2 includes a rotary arm 500,

The base 100 is seated on the ground and can support the body 2 from the ground. The column portion 200 is vertically connected to the base 100, and the column portion 200 is vertically movable with a height adjusting portion 300 mounted thereon. Although not shown in the height adjustment part 300, a driving device capable of moving the height adjustment part 300 in the vertical direction may be included.

A rotary arm supporting part 400 extending from the upper end of the height adjusting part 300 in the horizontal direction with respect to the ground, that is, in a direction perpendicular to the height adjusting part 300, 401 to rotate and support the rotary arm 500. [

The height adjuster 300 is provided with a depth limiter 600 which is arranged in a direction perpendicular to the height adjuster 300 so as to be parallel to the rotary arm supporter 400 to fix the jaw of the depth adjuster 3 As shown in the figure, a photographing mode input unit 700 for inputting a photographing mode signal for selecting a panoramic photographing mode or a city photographing mode may be formed on one side of the examinee's chin support unit 600.

Particularly, the image capturing mode input unit 700 inputs various image capturing mode selection and various operation controls of the panoramic and cortical X-ray image capturing apparatus 1, for example, a signal for adjusting the height of the height adjusting unit 300 The X-ray photographing apparatus 1 may be installed not only in the height regulating unit 300 but also in the height regulating unit 300 or in another configuration or may be constructed as a separate system outside the panorama and city X- It is possible to control the operation of the panoramic and city combined X-ray imaging apparatus 1.

3 (a) and 3 (b) illustrate the operation of the rotary arm of the dental panoramic and cognitive X-ray imaging apparatus according to the present invention.

1 to 3, the height adjusting unit 300 is vertically moved to fix the jaws of the examinee 3 to the examinee's jaw supporting unit 600 and the jaws of the examinee 3 are fixed , And a panorama photographing mode or a city photographing mode through the photographing mode input unit 700.

An X-ray source part 510 for generating X-rays is disposed on one side of the rotary arm 500. An X-ray source part 510 is provided on the other side opposite to the X- An X-ray sensor unit 520 capable of detecting one X-ray can be disposed.

A panoramic sensor 521 and a city sensor 522 are spaced apart from each other inside the X-ray sensor unit 520 and an X-ray sensor unit 520 is provided between the rotary arm 500 and the X- Is rotatable in a concentric manner. The panoramic sensor 521 or the city sensor 522 can rotate the X-ray sensor unit 520 at 180 degrees so as to face the examinee 3 side in accordance with the photographing mode signal input to the photographing mode input unit 700 .

The rotary arm 500 rotates in a range of 360 degrees or more through the rotary arm rotating means 410 formed on the rotary arm supporting portion 400 and rotates in the X-ray sensor portion 520 while the rotary arm 500 rotates. Sectional image generated by the X-ray light source unit 510 and passing through the examinee 3, and reconstructing the obtained X-ray image in a separate computer system.

Particularly, according to the present invention, the distance between the X-ray source unit 510 and the examinee 3, the distance between the X-ray sensor unit 520 and the X-ray source unit 510, The horizontal moving means 540 provided inside the rotary arm 500 can move horizontally in parallel with the rotary arm supporting portion 400. [

3 (a), when the distance between the X-ray sensor unit 520 and the X-ray source unit 510 is L2 and the photographing mode signal input through the photographing mode input unit 700 is a panorama The sensor unit rotating means 530 rotates the X-ray sensor unit 520 such that the panoramic sensor 521 faces the examinee 3 side and the horizontal moving means 540 rotates the X- The rotary arm 500 is horizontally moved so that the distance between the X-ray light source units 510 is maintained at L1.

3 (b), when the distance between the X-ray sensor unit 520 and the X-ray light source unit 510 is L2 and the photographing mode signal input through the photographing mode input unit 700 is the city photographing mode The sensor unit rotating means 530 rotates the X-ray sensor unit 520 by 180 degrees such that the city sensor 522 faces the examinee 3 side and the horizontal moving means 540 rotates the X- And the rotary arm 500 is horizontally moved so that the distance between the X-ray source parts 510 is maintained at L1 '.

In FIGS. 3A and 3B, the distance between the X-ray sensor unit 520 and the X-ray source unit 510 can be set to, for example, 518, L1 'and 468, respectively, and 675 , But is not limited thereto. Therefore, the distance between the examinee 3 and the X-ray light source 510 can be controlled by the horizontal moving means 540 by a distance ratio at which an image can be photographed at an optimal image magnification in order to obtain a clear image in X- . In this case, the distance ratio may be a distance between the X-ray source 510 and the receiver 3, or a distance between the X-ray sensor 520 and the X-ray source 510.

Therefore, in order to realize an optimal image magnification, the panoramic image magnification is 1: 1.303 when the photographing mode is the panoramic photographing mode, and the image magnification of the city can be set to 1: 1.442 when the photographing mode is the city photographing mode . Further, the distance ratio may be changed according to the kind of the sensor, the light source, and the photographing condition, and the horizontal moving means 540 can horizontally move the rotary arm 500 according to the changed distance ratio.

Fig. 4 is a configuration diagram showing the internal structure of a rotary arm of the dental panoramic and cognitive X-ray imaging apparatus viewed from the direction A in Fig. Referring to the drawing, horizontally moving means 540 for horizontally moving the rotary arm 500 is disposed inside the rotary arm 500.

The horizontal moving means 540 includes a rotary arm horizontal drive motor 541 for generating a rotary power, a rotary arm horizontal drive ball screw 542, a connection shaft fixing member 543, at least one LM (Linear Motion) A support member 544 and an LM guide support member 545.

One end of the rotary arm horizontal driving ball screw 542 may be connected to the rotary arm horizontal driving motor 541 and the other end of the rotary arm horizontal driving ball screw 542 may be connected to the connection shaft fixing member 543. [ The connection shaft fixing member 543 may also be mounted on and fixed to a connection shaft 401 connecting the rotary arm supporter 400 and the rotary arm 500.

At least one LM guide rail 544 such as a pair of LM guide rails 544 and 544 is mounted on the upper side of the rotary arm 500 and the LM guide rails 544 and 544 The LM guide supporting members 545 and 545 can be mounted on the connecting shaft fixing member 543 so as to be interlocked with each other.

A hollow portion 546 is formed in the longitudinal direction of the rotary arm 500 so that the connection shaft 401 penetrates the hollow portion 546 and is connected to the connection shaft fixing member 543. [ In addition, the hollow portion 546 may be formed to have a horizontal movement space in a state where the rotary arm 500 is fixed to the connection shaft 401.

The rotational power generated by the rotary arm horizontal drive motor 541 is transmitted to the rotary arm horizontal drive ball screw 542 and converted into horizontal linear motion and is transmitted to the other end of the rotary arm horizontal drive ball screw 542 by horizontal linear motion The LM guide supporting member 545 of the connected connection shaft fixing member 543 can be slidably moved along the LM guide rail 544. [

Therefore, according to the photographing mode signal inputted to the photographing mode input unit 700, the horizontal moving means 540 can adjust the distance ratio for the optimal image magnification according to the photographing mode by sliding the rotary arm 500 have.

FIG. 5 is a perspective view showing the internal construction of a rotary arm supporting portion of a dental panoramic and cognitive X-ray imaging apparatus according to the present invention, and FIG. 6 is a perspective view showing the rotation of a rotary and panoramic X- And Fig.

A dental panoramic and cognitive X-ray imaging apparatus (1) of the present invention comprises a base (100), a column (200) vertically connected to the base (100) And a rotary arm supporter 400 extending vertically from the upper ends of the adjuster 300 and the height adjuster 300 to support the rotary arm 500.

The rotary arm supporter 400 may include rotary arm rotary means 410 capable of rotationally driving the rotary arm 500, as shown in the figure. The panoramic and city combined X-ray imaging apparatus 1 is advantageous in that the cross-sectional image is larger in order to improve the quality of the photographed image of the examinee 3. Therefore, it is preferable that the panoramic and cognitive X-ray imaging apparatus 1 according to the present invention photographs while rotating the rotary arm 500 by 360 degrees or more. However, in order to prevent twisting of cables or the like in the rotation, It is preferable to rotate the rotary arm 500 with a rotation range of 430 degrees.

The rotary arm rotating means 410 capable of rotating the rotary arm 500 of the present invention includes a rotary drive motor 430 mounted on the base plate 420, a first timing pulley 440, And a second timing pulley 450. The rotation driving motor 430 and the first timing pulley 440 are connected to each other by a timing belt 431. The first timing pulley 440 and the second timing pulley 450 are connected by a timing belt 441 Can be connected. Accordingly, the rotational power generated by the rotation drive motor 430 is transmitted to the second timing pulley 450 through the first timing pulley 440.

A disk-shaped second rotating plate 470 is mounted on the upper surface of the second timing pulley 450, and a disk-shaped first rotating plate 460 is mounted on the upper surface of the second rotating plate 470. A second rotation plate stopper 471 is formed on the second rotation plate 470 and a first engagement protrusion 461 and a second engagement protrusion 462 are formed at a predetermined angular range below the first rotation plate 460 contacting the stopper 471 of the second rotation plate. 2 stopping hooks 462 are formed. The second rotating plate 470 can be rotated between the first and second engaging protrusions 461 and 462 of the first rotating plate 460 and the rotation range can be set within 180 degrees, It is preferable to form the first stopping jaw 461 and the second stopping jaw 462 so as to be rotated by 95 degrees.

The first rotation plate stopper 463 is formed on the upper surface of the first rotation plate 460 and the rotation of the first rotation plate 460 is stopped by contacting the base plate 420 with the first rotation plate stopper 463. [ A rotary arm mechanism stopper 480 is formed. The first rotary plate stopper 461 and the rotary arm mechanism stopper 480 may be formed so that the first rotary plate 460 has a rotation range of 360 degrees or less, for example, 335 degrees. Further, after the first rotating plate is rotated from one side (for example, a normal rotation start position) of the rotary arm mechanism stopper 480 to the other side (for example, a normal rotation end position) A magnet 481 capable of fixing the first rotary plate stopper 463 with a magnetic force may be attached to the other side surface of the mechanism stopper 480 and the first rotary plate stopper 463 may also be formed of a magnetic or metal component.

7 (a) to 7 (c) are views showing examples of the operation of the rotating means of the rotary arm supporting portion according to the present invention.

As shown in FIG. 7A, the second timing pulley 450 is rotated by the forward rotation of the rotation drive motor 430, so that the second rotation plate 470 is rotated at the forward rotation start position. At this time, the first rotating plate 460 rotates in conjunction with the second rotating plate 470 due to its own frictional force.

Thereafter, as shown in (b) and (c), until the first rotary plate stopper 463 of the first rotary plate 460 faces the rotary arm mechanism stopper 480 and stops moving The second rotating plate 470 is rotated from the first engaging jaw 461 of the first rotating plate 460 to the position of the second engaging jaw 462 by the rotation of the second timing pulley 450 (For example, rotated by 95 degrees).

The connection shaft 401 interlocking with the second rotary plate 470 is rotated by the rotation operation of the first rotary plate 460 and the second rotary plate 470 to rotate the rotary arm 500 in the rotation range of 430 degrees .

The strength of the force applied to the first rotating plate 460, the second rotating plate 470, and the rotating arm mechanism stopper 480 with respect to the frictional force, the magnetic force, and the rotational force is determined by the frictional force between the first rotating plate stopper, And the rotational force of the first rotating plate and the first and second engaging jaws.

The first rotary plate 460 is rotated by the magnetic force between the first rotary plate stopper 463 and the magnet 481 of the rotary arm mechanism stopper 480 during the reverse rotation when the normal rotation operation of the rotary drive motor 430 is completed, Can be fixed to prevent errors in the position value. The stopper 471 of the second rotary plate 470 and the first stopping plate 461 of the first rotary plate 460 are interlocked with each other so that the first rotary plate stopper 463 is fixed to the magnet of the rotary arm mechanism stopper 480 481 and can return to the forward rotation start position which is one side of the rotary arm mechanism stopper 480. [

As described above, according to the present invention, the panoramic sensor and the city sensor are concentrically rotated by the rotation driving unit to switch modes, and the rotary arm in which the X-ray light source unit is disposed is opposed to the X- The distance between the X-ray light source part and the X-ray sensor part is changed with respect to the examinee, and the image magnification is adjusted according to each mode, so that the X-ray imaging can be performed with the optimum image magnification.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. will be. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: X-ray imaging device 2: body
3: Receiver 100: Base
200: column portion 300: height adjusting portion
400: rotary arm support part 500: rotary arm
510: X-ray light source part 520: X-ray sensor part
521: panoramic sensor 522:
530: sensor unit rotating means 540: horizontal moving means
541: rotary arm horizontal drive motor 542: rotary arm horizontal drive ball screw
543: connection shaft fixing member 544: LM guide rail
545: LM guide supporting member

Claims (6)

A body including a base, a column vertically connected to the base, a height adjuster attached to the column and vertically movable, and a rotary arm supporting portion extending vertically at an upper end of the height adjuster to support the rotary arm;
A rotary arm including an X-ray light source unit for generating X-rays, and an X-ray sensor unit disposed opposite to the X-ray light source unit, the X-ray sensor unit including a panoramic sensor and a city sensor spaced apart from each other to detect the X-
A connecting shaft for connecting the rotating arm to the rotating arm rotating means provided in the rotating arm supporting portion and rotating the rotating arm by the rotating power of the rotating arm rotating means;
A horizontal moving means installed in the rotary arm for horizontally moving the rotary arm along the rotary arm supporting portion;
A photographing mode input unit to which a photographing mode signal for selecting a panorama photographing mode or a city photographing mode is input;
A depth adjuster disposed perpendicularly to the height adjuster to fix a jaw of the examinee; And
Ray sensor unit for rotating the X-ray sensor unit so that the panoramic sensor or the city sensor faces the examinee in accordance with a photographing mode signal input to the photographing mode input unit, Means,
Wherein the horizontal moving means comprises:
A rotary arm horizontal drive motor for generating a rotary power;
A rotary arm horizontal drive ball screw which is connected to one end of the rotary arm horizontal drive motor and converts the generated rotary power into a horizontal linear motion;
A connection shaft fixing member connected to the other end of the rotary arm horizontal drive ball screw and fixing the connection shaft; And
At least one LM (Linear Motion) guide rail mounted in the rotary arm and a LM guide rail mounted on the connection shaft fixing member for interlocking with the LM guide rail to guide the LM guide rail along the linear motion of the rotary arm horizontal drive ball screw And an LM guide supporting member which horizontally moves to guide horizontal movement of the rotary arm,
The connection shaft is connected to the connection shaft fixing member through a hollow portion formed on the upper side of the rotary arm, and the hollow portion is connected to the connection shaft in the longitudinal direction of the rotary arm so as to be horizontally movable in a state where the rotary arm is fixed to the connection shaft Lt; / RTI &
Wherein the horizontal moving means slides the rotary arm according to a photographing mode signal input to the photographing mode input unit, and when the photographing mode input to the photographing mode input unit is a panoramic photographing mode, Wherein the rotary arm is horizontally moved so as to be farther than the case where the distance is in the city photographing mode.
The method according to claim 1,
The rotary-
A rotation drive motor mounted on the base plate;
A first timing pulley connected to the rotation driving motor by a timing belt and receiving rotational power generated by the rotation driving motor;
A second timing pulley connected to the first timing pulley by a timing belt and receiving rotational power of the first timing pulley;
A second rotary plate mounted on an upper surface of the second timing pulley, having a second rotary plate stopper formed on one side thereof and connected to a lower surface of the connection shaft;
A first rotating plate mounted on the second rotating plate and having a first engaging jaw and a second engaging jaw which are engaged with the second rotating plate stopper on a lower surface thereof and having a first rotating plate stopper formed on an upper surface thereof; And
And a rotary arm mechanism stopper mounted on the base plate and contacting the first rotary plate stopper to stop the forward rotation or the reverse rotation of the first rotary plate,
Wherein the first rotating plate rotates in conjunction with the second rotating plate by frictional force due to its own weight.
3. The method of claim 2,
The rotary arm mechanism stopper has a magnet attached to one side surface thereof,
The first rotary plate stopper may be formed of any one of magnetic or metal components,
Wherein the rotary arm mechanism stopper and the first rotary plate stopper are fixed by a magnetic force.
The method according to claim 1,
And a vertical movement unit mounted on the height adjustment unit and moving the height adjustment unit in the vertical direction according to an input signal of the shooting mode input unit to adjust a height of the subject support unit. Combined X-ray equipment.
The method according to claim 1,
If the photographing mode input to the photographing mode input unit is the panoramic photographing mode, the image magnification of the panorama is 1: 1.303,
If the photographing mode input to the photographing mode input unit is the city photographing mode, the image magnification of the city is 1: 1.442,
Wherein the image magnification is a distance between the X-ray light source unit and the examinee, and a distance ratio between the X-ray sensor unit and the X-ray light source unit.
The method according to claim 1,
Wherein the sensor unit is rotated concentrically by the sensor unit rotating means.

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