KR101254098B1 - Shoot module rotating apparatus and image obtaining apparatus of comprising the same - Google Patents

Abstract

PURPOSE: A photograph module rotation device and an image securing device including the same are provided to enhancing rotational stability by guiding a C-shaped gantry with a guiding unit. CONSTITUTION: A support part(120) supports the lower part of a C-shaped gantry(110). A pulley support member(130) is formed at one side of the support part. An outer pulley-belt unit(140) is formed on the outer surface of the pulley support member. An inner pulley-belt unit is formed at the inner surface of the pulley support member. A guide unit(160) guides the rotation of a C-shaped gantry.

Description

Shooting module rotating apparatus and image acquisition apparatus including the same

The present invention relates to a device for rotating a photographing module mounted on a C-type gantry and an image acquisition device including the same.

An image capturing apparatus for photographing while rotating the photographing module includes a computed tomography (CT) apparatus. This computed tomography device is a high-tech medical device that shows the tomographic plane of the body, which cannot be represented by normal imaging.The X-ray imaging module measures the X-ray transmitted from various angles of the human body with a computer Reconstructed and displayed as an image.

The principle of this computed tomography device is that the X-ray absorption rate differs according to tissues such as bones, internal organs, and blood vessels of the human body.

In order to draw such a cross-sectional view, the X-ray imaging module mounted on the C-type gantry is rotated with respect to the table on which the patient is lying to photograph the tissue of the patient.

Conventional X-ray imaging module rotation apparatus includes a drive motor, a pinion directly coupled to the axis of the drive motor, and a rack formed on the outer periphery of the C-type gantry and gear-engaged with the pinion. Therefore, since the C-type gantry is rotated by the pinion and the rack when the driving motor is rotated, the X-ray imaging module fixed to the C-type gantry is also rotated.

However, the conventional X-ray imaging module rotating apparatus may have the following problems.

Since the rack and pinion are directly coupled, there may be a problem that noise or vibration is caused while the C-type gantry is rotated.

In addition, since the rack formed on the outer circumference of the C-type gantry due to the shape of the C-type gantry also has a C-shape, that is, because both ends of the rack has a set length opening, when the pinion reaches this opening, it is released from the rack. . Therefore, in order to meet this problem, although a plurality of pinions and a plurality of drive motors respectively coupled thereto may be used, there may be difficulty in synchronizing with each other since the drive motors have slightly different characteristics.

Technical problem of the present invention, while minimizing the noise or vibration while the photographing module is rotated, irrespective of the opening portion of the C-type gantry shooting can be added to at least one of the outer periphery of the C-type gantry but synchronized with each other It is to provide a module rotation device and an image acquisition device including the same.

In order to achieve the above object, the photographing module rotation device according to an embodiment of the present invention is provided with a photographing module, the C-type gantry is formed on one side outer periphery; Support portion for supporting the lower portion of the C-type gantry; A pulley support member provided on one side of the support part; An outer pulley-belt unit provided on an outer surface of the pulley support member; An inner pulley-belt unit provided on an inner side of the pulley support member, synchronized with the outer pulley-belt unit, and engaged with at least one gear; And a guide unit provided between the C-type gantry and the support part to guide rotation of the C-type gantry.

The outer pulley-belt unit may further include a driving pulley rotatably provided on an outer surface of the pulley support member; First and second outer driven pulleys disposed on the inner side of the pulley support member so as to be spaced apart from each other by a first set interval on the basis of the driving pulley; And an outer timing belt connecting the driving pulley and the first and second outer driven pulleys together.

The inner pulley-belt unit may further include a first inner drive pulley provided on the same shaft as the first outer driven pulley and rotatably provided on an inner surface of the pulley support member; A first inner driven pulley spaced apart from the first inner driving pulley by a second set interval and rotatably provided on an inner surface of the pulley supporting member; A first inner timing belt connecting the first inner drive pulley and the first inner driven pulley; A second inner drive pulley provided on the same shaft as the second outer driven pulley and rotatably provided on an inner side surface of the pulley supporting member; A second inner driven pulley spaced apart from the second inner driving pulley by a second set interval so as to be rotatable on an inner surface of the pulley support member; And a second inner timing belt connecting the second inner driving pulley and the second inner driven pulley.

In addition, at least one of the first inner timing belt or the second inner timing belt may be engaged with the gear.

In addition, the distance between the first inner driven pulley and the second inner driven pulley may be set larger than the distance between both ends of the C-type gantry.

The outer pulley-belt unit may further include at least one outer tension adjusting part provided on an outer surface of the pulley support member to adjust the tension of the outer timing belt.

In addition, each of the at least one outer tension control unit is an outer tension adjustment hole formed on the outer surface of the pulley support member; And an outer tension pulley movably provided in the outer tension adjustment long hole and caught by the outer timing belt.

The at least one outer tension control unit may include a first outer tension control unit provided between the driving pulley and the first outer driven pulley; And a second outer tension adjusting part provided between the driving pulley and the second outer driven pulley.

In addition, the inner pulley-belt unit may include a first inner tension adjusting part provided on an inner surface of the pulley supporting member to adjust the tension of the first inner timing belt; And a second inner tension adjusting part provided on an inner surface of the pulley supporting member to adjust the tension of the second inner timing belt.

In addition, each of the first and second inner tension control unit is an inner tension adjustment hole formed on the inner surface of the pulley support member; And an inner tension pulley provided to be movable in the inner tension adjusting long hole.

In addition, the guide unit is a gravity direction support for supporting the gravity direction force of the C-type gantry; And it may include a departure-avoidance support for holding the C-type gantry is not separated from the gravity direction support.

In addition, the gravity direction support portion is provided on the other side of the C-type gantry outer peripheral contact frame provided on the outer periphery; And a plurality of gravity support roller rows in which a plurality of transverse rollers are disposed in an arc shape on the other inner side surface of the support part to be in contact with the outer circumferential contact frame.

In addition, the separation prevention support portion is an inner circumferential contact frame provided on the inner circumference of the C-type gantry; And a plurality of separation prevention roller rows in which a plurality of transverse rollers are disposed in an arc shape on the inner surface of the support part so as to contact the inner circumferential contact frame.

In addition, the guide unit may further include a transverse support for preventing the transverse movement of the C-type gantry.

The lateral support may further include: an outer contact surface provided on an outer surface of the C-type gantry; And a plurality of longitudinal support roller rows in which a plurality of longitudinal rollers are disposed in an arc shape on the inner surface of the support part to be in contact with the outer contact surface.

On the other hand, the image acquisition device including a photographing module according to an embodiment of the present invention includes a photographing module rotating device for rotating the photographing module; The photographing module provided in the C-type gantry; And a main body provided in the support part.

In addition, the imaging module may be an X-ray imaging module.

The X-ray imaging module may include an X-ray oscillator provided in the C-type gantry and oscillating X-rays; And a detector unit provided in the C-type gantry, provided to face the X-ray oscillator and receiving the X-rays.

In addition, the X-ray imaging module may be rotated 360 degrees by the imaging module rotation device.

In addition, the main body and the support may be provided to be movable on the ground.

As described above, the imaging module rotating apparatus and the image capturing apparatus including the same according to an embodiment of the present invention may have the following effects.

According to the exemplary embodiment of the present invention, the outer pulley-belt unit and the inner pulley-belt unit are provided and have a configuration in which the photographing module is rotated, thereby minimizing noise or vibration while the photographing module is rotated.

Further, according to an embodiment of the present invention, the outer pulley-belt unit and the inner pulley-belt unit are synchronized, the gearing meshes in at least one position of the inner pulley-belt unit, and the C-type gantry is guided by the guide unit. According to the configuration, it is possible to smoothly rotate the C-type gantry irrespective of the opening of the C-type gantry and improve the stability of the rotation due to synchronization.

1 is a perspective view showing a photographing module rotating apparatus according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along the line “II-II” of FIG. 1.
3 is a left side view of FIG. 2.
4 is a cross-sectional view taken along the line "IV-IV" of FIG. 2.
Fig. 5 is a perspective view of the main portion cut out to the right to show the gravity supporting roller row, the release preventing roller row, and the transverse supporting roller row;
FIG. 6 is a perspective view illustrating a state in which the other side of the C-type gantry is seated on the row of supporting rollers in the middle direction of FIG. 5.
7 is a perspective view of the main portion cut away to the left to show the release prevention roller row and the transverse support roller row;
8 is a cross-sectional view taken along the line "VIII-VIII" of FIG. 1 to show the guide unit.
9 is a perspective view illustrating an image capturing apparatus including a photographing module rotating apparatus according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

1 is a perspective view showing a photographing module rotating apparatus according to an embodiment of the present invention.

2 is a cross-sectional view taken along the line “II-II” of FIG. 1, FIG. 3 is a left side view of FIG. 2, and FIG. 4 is a cross-sectional view taken along the line “IV-IV” of FIG. 2.

According to an embodiment of the present invention, as shown in FIGS. 1 to 4, the photographing module rotating device includes a C-type gantry 110, a support part 120, a pulley support member 130, and an outer pulley. A belt unit 140, an inner pulley-belt unit 150, and a guide unit 160.

The C-type gantry 110 is a rotating body, and consists of two C-shaped frames 111 and 112 and a connection frame 113 connecting them. The connection frame 113 is provided with a photographing module 200, the gear 111a is formed on the outer periphery of any one of the C-shaped frame (111). In particular, the imaging module 200 provided therein may be an X-ray imaging module. Specifically, as shown in FIG. 1, the X-ray imaging module 200 is provided in the connection frame 113 of the C-type gantry 110 and the X-ray oscillator 210 for oscillating X-rays, and C-type. The detector frame 220 of the connection frame 113 of the gantry 110 is provided on the connection frame 113 facing the X-ray oscillator 210 and receives the X-rays.

The supporting part 120 is a fixed body, has a box shape having an upper opening, and supports a lower portion of the C-type gantry 110.

The pulley support member 130 has a plate shape and is provided on one side (left side in the drawing) of the base 120 which is a fixed body.

The outer pulley-belt unit 140 is provided on its outer side with respect to the pulley support member 130. A more detailed description of the outer pulley-belt unit 140 will be described later.

The inner pulley-belt unit 150 is provided on its inner side with respect to the pulley support member 130, is synchronized with the outer pulley-belt unit 140, and at least one position is engaged with the gear 111a. It is composed. More detailed description of the inner pulley-belt unit 150 will be described later.

The guide unit 160 is provided between the C-type gantry 110 and the support 120 to guide the rotation of the C-type gantry 110, and has a roller type. The detailed description of the guide unit 160 will be described below after sequentially describing the outer pulley-belt unit 140 and the inner pulley-belt unit 150.

Hereinafter, referring to FIGS. 1 to 3 again, the above-described outer pulley-belt unit 140 will be described in detail.

As illustrated in FIGS. 1 to 3, the outer pulley-belt unit 140 may include a driving pulley 141 rotatably provided on an outer surface of the pulley supporting member 130 and a driving pulley 141. First and second outer driven pulleys 142 and 143 rotatably provided at an inner side surface of the pulley support member 130 at first and left intervals, respectively, on the left and right sides, and the driving pulley 141 and the first and second outer driven pulleys 143 and 143. And an outer timing belt 144 connecting the first and second outer driven pulleys 142 and 143 together. Therefore, when a rotational force of one driving motor M is transmitted to one driving pulley 141, the outer timing belt 144 is rotated, and thus the first and second outer driven pulleys 142 and 143 are also rotated accordingly.

Further, as shown in FIG. 3, the outer pulley-belt unit 140 is provided on the outer surface of the pulley support member 130 and includes at least one outer tension adjusting unit for adjusting the tension of the outer timing belt 144 ( 170) may be further included.

Specifically, as shown in FIG. 3, each of the at least one outer tension adjusting unit 170 is an outer tension adjusting long hole 170a formed on an outer surface of the pulley support member 130, and an outer tension adjusting long hole ( 170a) is provided to be movable and includes an outer tension pulley 170b to which the outer timing belt 144 is fastened. Therefore, the tension of the outer timing belt 144 is adjusted while the outer tension pulley 170b is moved along the outer tension adjusting hole 170a.

In addition, the at least one outer tension adjusting unit 170 may include a first outer tension adjusting unit 171 provided between the driving pulley 141 and the first outer driven pulley 142, and the driving pulley 141 and the first outer tension adjusting unit 170. And a second outer tension adjusting unit 172 provided between the two outer driven pulleys 143. Accordingly, since the first and second outer tension adjusting units 171 and 172 are provided symmetrically with respect to the driving pulley 141, the outer timing belt is more stably without the pull phenomenon in which the driving pulley 141 is directed to either side. Tension may be applied to 144.

Hereinafter, referring to FIGS. 1, 2, and 4 again, the above-described inner pulley-belt unit 150 will be described in detail.

1, 2 and 4, the inner pulley-belt unit 150 is provided on the same axis as the first outer driven pulley 142 and is rotatable on the inner side of the pulley support member 130. The first inner driven pulley 151 and the first inner driven pulley 151 spaced apart from the first inner driving pulley 151 by a second set interval are provided on the inner surface of the pulley support member 130 so as to be rotatable. ), A first inner timing belt 153 connecting the first inner drive pulley 151 and the first inner driven pulley 152, and a pulley supported on the same axis as the second outer driven pulley 143. The second inner drive pulley 155 rotatably provided on the inner surface of the member 130 and the second inner drive pulley 155 are spaced apart from the second set interval by the inner surface of the pulley support member 130 can be rotated. Connecting the second inner driven pulley 156 and the second inner driving pulley 155 and the second inner driven pulley 156. 2 includes an inner toothed belt (157).

Therefore, when a rotational force of one driving motor M is transmitted to one driving pulley 141, the outer timing belt 144 is rotated to rotate the first and second outer driven pulleys 142 and 143. As the first inner driving pulley 151 connected to the first outer driven pulley 142 is rotated and the first inner timing belt 153 is rotated, the first inner driven pulley 152 is rotated. At the same time, while the second inner driving pulley 155 connected to the second outer driven pulley 143 is rotated and the second inner timing belt 157 is rotated, the second inner driven pulley 156 is rotated. As a result, the first and second inner timing belts 153 and 157 are rotated in synchronization from one drive pulley 141.

In addition, the distance between the first inner driven pulley 152 and the second inner driven pulley 156 is set larger than the distance between both ends of the C-type gantry 110.

Furthermore, the C-type gantry 110, as shown in Figure 1, has an opening that opens to the right in the drawing, the opening is to enter and exit the support 120 while the C-type gantry 110 is rotated 360 degrees. . In particular, as described above, the first inner timing belt 153 and the second inner timing belt 157 which are rotated in synchronization with each other are provided, and the first inner driven pulley 152 and the second inner driven pulley ( Since the space with the 156 is set to be larger than the space between both ends of the C-type gantry 110, while the C-type gantry 110 is rotated 360 degrees, the first and second inner timing belt 153 ( 157 the process of engaging all of the gear 111a, the process of engaging only the second inner timing belt 157 of the gear 111a, and the first and second inner timing belts 153, 157 of both. Is again engaged with the gear 111a, and the process of only engaging the first inner timing belt 153 with the gear 111a is repeated. As a result, at least one of the first inner timing belt 153 or the second inner timing belt 157 meshes with the gear 111a while the C-type gantry 110 is rotated 360 degrees.

In addition, as shown in FIG. 4, the inner pulley-belt unit 150 is provided on the inner surface of the pulley support member 130 to adjust the tension of the first inner timing belt 153. 181 and a second inner tension adjusting part 182 provided on the inner surface of the pulley supporting member 130 to adjust the tension of the second inner timing belt 157.

In addition, as shown in FIG. 4, each of the first and second inner tension adjusting units 181 and 182 may have an inner tension adjusting slot 180a formed on an inner surface of the pulley supporting member 130, and an inner side. An inner tension pulley 180b provided to be movable in the tension adjusting long hole 180a is included. Therefore, the inner tension pulley 180b is moved along the inner tension adjusting hole 180a to adjust the tension of the first inner timing belt 153 (or the second inner timing belt 157).

Hereinafter, the above-described guide unit 160 will be described in more detail with reference to FIGS. 5 to 8.

Fig. 5 is a perspective view of the main portion cut out to the right to show the gravity supporting roller row, the anti-separation roller row, and the transverse supporting roller row, and FIG. 6 shows the other side of the C-type gantry seated on the row of the supporting roller rows of FIG. Fig. 7 is a perspective view of the main portion cut away to show the left side in order to show the release preventing roller row and the transverse supporting roller row.

8 is a cross-sectional view taken along the line "VIII-VIII" of FIG. 1 to show the guide unit.

The guide unit 160, as shown in Figure 8, the gravity direction support portion 161 for supporting the gravity direction force of the C-type gantry 110, and the C-type gantry 110 is the gravity direction support portion 161 It includes a departure prevention support portion 162 for holding so as not to escape from. Therefore, when one end of the C-type gantry 110 is supported by the gravity direction support portion 161, the departure-avoidance support portion 162 grasps the C-type gantry 110, so the C-type gantry 110 is always concentric and rotated. Done.

In addition, the gravity direction support portion 161, as shown in Figures 5, 6 and 8, the outer periphery of the other side of the C-type gantry 110 (C-shaped frame 112 on the left side in the drawing) is provided A plurality of transverse directions in an arc shape (see FIGS. 5 and 6) on the inner side of the other side (right side in the drawing) of the support 120 to contact the outer circumferential contact frame 161a and the outer circumferential contact frame 161a. And a gravity direction supporting roller row 161b in which the rollers are disposed.

In addition, the separation prevention support portion 162, the inner circumferential contact frame ("162a" of FIGS. 6 and 8) provided on the inner circumference of the C-type gantry 110, as shown in Figure 5 to 8, the inner circumference In order to be in contact with the contact frame 162a, the inner surface of the support 120 includes a plurality of transverse roller rows 162b having a plurality of transverse rollers disposed in an arc shape (see FIGS. 5 to 7). In particular, at least two of the plurality of transverse rollers of the gravity supporting roller row 161b and at least two of the plurality of transverse rollers of the escape preventing roller row 162b are always engaged with the C-type gantry 110. The number and the interval therebetween are set such that is maintained.

As described above, the guide unit 160 may further include a lateral support 163 that prevents lateral movement of the C-type gantry 110.

As shown in FIG. 8, the lateral support 163 has an outer contact surface 163a provided on an outer surface of the C-type gantry 110 and an inner portion of the support 120 to contact the outer contact surface 163a. A transverse support roller row 163b is arranged on the side with a plurality of longitudinal rollers arranged in an arc shape (see FIGS. 5-8). Accordingly, the phenomenon that the C-type gantry 110 tilts left / right can be prevented in advance.

Meanwhile, referring to FIG. 9, an image capturing apparatus including a photographing module rotating apparatus according to an exemplary embodiment will be described.

9 is a perspective view illustrating an image capturing apparatus including a photographing module rotating apparatus according to an embodiment of the present invention.

As shown in FIG. 9, the image capturing apparatus includes the photographing module rotating apparatus 100 for rotating the photographing module 200, the photographing module 200 provided in the C-type gantry 110, and It includes a main body 300 is provided next to the support portion 120.

In addition, the imaging module 200 may be an X-ray imaging module. Specifically, the X-ray imaging module 200 is provided in the C-type gantry 110 and the X-ray oscillator 210 for oscillating X-rays, and provided in the C-type gantry 110, and the X-ray oscillator 210 and It is provided to face the detector unit 220 receives the X-ray. Therefore, the X-ray oscillated by the X-ray oscillator 210 is collected by the detector unit 220 while passing through the subject (not shown), and sends the collected detection signal to the main body 300, the main body 300 is an image Will generate

In addition, the X-ray imaging module may be rotated 360 degrees by the imaging module rotating apparatus described above. Therefore, it is possible to acquire not only a fluoroscopy image but also a computed tomography (CT) image.

In addition, the main body 300 and the support 120 are provided to be movable on the ground through the wheels 310 and 121, and the main body 300 includes a controller (not shown) for generating an image.

As described above, the imaging module rotating apparatus and the image capturing apparatus including the same according to an embodiment of the present invention may have the following effects.

According to an embodiment of the present invention, as the outer pulley-belt unit 140 and the inner pulley-belt unit 150 are provided and the photographing module 200 is rotated therethrough, the photographing module 200 is provided. It can minimize noise or vibration while it is being rotated.

In addition, according to an embodiment of the present invention, the outer pulley-belt unit 140 and the inner pulley-belt unit 150 are synchronized, and the gear 111a is at least one position of the inner pulley-belt unit 150. In the engagement with, and having a configuration that the C-type gantry 110 is guided by the guide unit 160, it is possible to smoothly rotate the C-type gantry 110 irrespective of the opening of the C-type gantry (110). In addition, the stability of rotation due to synchronization can be improved.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

110: gantry C 111a: crawled
120: base 130: pulley support member
140: outer pulley-belt unit 150: inner pulley-belt unit
160: guide unit 200: shooting module
M: drive motor

Claims (20)

C-type gantry equipped with a photographing module, the gear is formed on one outer periphery;
Support portion for supporting the lower portion of the C-type gantry;
A pulley support member provided on one side of the support part;
An outer pulley-belt unit provided on an outer surface of the pulley support member;
An inner pulley-belt unit provided on an inner side of the pulley support member, synchronized with the outer pulley-belt unit, and engaged with at least one gear; And
Guide unit provided between the C-type gantry and the support portion for guiding the rotation of the C-type gantry
Photographing module rotating device comprising a. In claim 1,
The outer pulley-belt unit
A drive pulley rotatably provided on an outer surface of the pulley support member;
First and second outer driven pulleys disposed on the inner side of the pulley support member so as to be spaced apart from each other by a first set interval on the basis of the driving pulley; And
And an outer timing belt connecting the driving pulley and the first and second outer driven pulleys together. In claim 2,
The inner pulley-belt unit
A first inner drive pulley provided on the same shaft as the first outer driven pulley and rotatably provided on an inner side surface of the pulley supporting member;
A first inner driven pulley spaced apart from the first inner driving pulley by a second set interval and rotatably provided on an inner surface of the pulley supporting member;
A first inner timing belt connecting the first inner drive pulley and the first inner driven pulley;
A second inner drive pulley provided on the same shaft as the second outer driven pulley and rotatably provided on an inner side surface of the pulley supporting member;
A second inner driven pulley spaced apart from the second inner driving pulley by a second set interval so as to be rotatable on an inner surface of the pulley support member; And
And a second inner timing belt connecting the second inner driving pulley and the second inner driven pulley. 4. The method of claim 3,
And at least one of the first inner timing belt or the second inner timing belt meshes with the gearing. 4. The method of claim 3,
And the distance between the first inner driven pulley and the second inner driven pulley is set larger than the distance between both ends of the C-type gantry. In claim 2,
The outer pulley-belt unit
And at least one outer tension adjusting part provided on an outer surface of the pulley support member to adjust the tension of the outer timing belt. The method of claim 6,
Each of the at least one outer tension control unit
An outer tension adjustment hole formed on an outer surface of the pulley support member; And
And a lateral tension pulley movably provided in the lateral hole for adjusting the outer tension and having the outer timing belt. In claim 7,
The at least one outer tension adjusting unit
A first outer tension adjusting part provided between the driving pulley and the first outer driven pulley; And
And a second outer tension adjusting part provided between the driving pulley and the second outer driven pulley. 4. The method of claim 3,
The inner pulley-belt unit
A first inner tension adjusting part provided on an inner surface of the pulley supporting member to adjust the tension of the first inner timing belt; And
And a second inner tension adjusting part provided on an inner surface of the pulley supporting member to adjust the tension of the second inner timing belt. The method of claim 9,
Each of the first and second inner tension adjusting units
An internal tension adjustment slot formed on an inner side of the pulley support member; And
Imaging module rotation device comprising an inner tension pulley movably provided in the inner tension adjustment long hole. In claim 1,
The guide unit
Gravity direction support for supporting the gravity direction force of the C-type gantry; And
And a departure prevention support part for holding the C-type gantry so as not to be separated from the gravity direction support part. 12. The method of claim 11,
The gravity direction support
An outer circumferential contact frame provided on the outer circumference of the other side of the C-type gantry; And
And a gravity support roller row in which a plurality of transverse rollers are disposed in an arc shape on the other inner side surface of the support part so as to contact the outer peripheral contact frame. 12. The method of claim 11,
The release preventing support portion
An inner circumferential contact frame provided at an inner circumference of the C-type gantry; And
And a separation prevention roller row having a plurality of transverse rollers disposed in an arc shape on an inner surface of the support part to contact the inner circumferential contact frame. 12. The method of claim 11,
The guide unit
And a lateral support for preventing lateral movement of the C-type gantry. The method of claim 14,
The lateral support is
An outer contact surface provided on an outer surface of the C-type gantry; And
And a transverse support roller row in which a plurality of longitudinal rollers are disposed in an arc shape on the inner side of the support part to be in contact with the outer contact surface. The photographing module rotating device of any one of claims 1 to 15;
The photographing module provided in the C-type gantry; And
Main body provided in the support
Image acquisition device comprising a. 17. The method of claim 16,
The imaging module is an X-ray imaging module. The method of claim 17,
The X-ray imaging module
An X-ray oscillator provided in the C-type gantry and oscillating X-rays; And
And a detector unit provided in the C-type gantry and provided to face the X-ray oscillator and receiving the X-rays. The method of claim 17,
The X-ray imaging module is rotated 360 degrees by the imaging module rotation device. 17. The method of claim 16,
And the main body and the support part are provided on the ground to be movable.

Images