KR101528809B1 - Radiology and Fluoroscopy Systems and Method for Axial Projection - Google Patents

Abstract

The present invention relates to a digital radioscopy and fluoroscopy device and, more specifically, to a digital radiography method for measuring a tilt angle and an apparatus thereof wherein a radiation generator and a radiation receiver are physically connected to be able to generate images of a tilt-angle. The present invention includes: a radiation generation unit (100) which is connected to a generator to generate radiation by having a negative electrode and electrons collide with each other; and a radiation reception unit (200) which receives the radiation radiated from the radiation generator (100), having passed through an object to be inspected.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and method for radiographing an inclinometer,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a digital radioscopic imaging apparatus, and more particularly, to a digital radiographic tilt angle photographing method and apparatus for physically connecting a radiation generating apparatus and a radiation receiving unit, The present invention relates to a configuration and an operation method of a device capable of moving a radiation generator supporting frame to which a radiation generator is connected by moving a radiation receiving portion and performing a radiation incline angle photographing without complicated procedures.

In general, clinical diagnosis is very important in medical practice, and non-invasive medical imaging methods using radioscopy and radiography are used as the most representative clinical diagnostic methods.

Chest radiography, which usually has the largest weight in radiography, can be obtained by transmitting images from the front, so there is no great difficulty in the mechanical configuration. However, it is necessary to maintain a specific position and direction depending on the radiography site. Various postures of the examinee and various movements of the mechanical parts are required. Various types of mechanical structures have been developed for a long time, and a variety of photographing postures are applied and utilized accordingly.

Particularly, in the case of patients whose body is inconvenient, there are many difficulties in taking a change of posture. Therefore, efforts to acquire radiographic images in a comfortable posture and method have been continued through various movements of the radiation generator and the radiation receiver.

A variety of systems with complex mechanical movements are commonly used, such as ceiling type, floor-rail type, U-arm type, , C-arm (C-arm), and table type (table type).

In the case of the ceiling type, the radiation generator is usually fixed to the ceiling. The radiation generator has a wide operating range, flexibility in operation, and easy access to the subject. However, it requires a relatively wide and high installation space, It is expensive. Also, in order to secure the degree of freedom of such movement, the radiation generator may be moved in all directions along the X-axis, the Y-axis, and the Z-axis, and may include a rotational motion to change the exposure direction of the radiation generator.

The bottom rail type has the disadvantage of lower freedom than the ceiling type, but it has the advantage of being installed in a relatively small space and being inexpensive. However, for this purpose, at least one bottom rail is used or two bottom rails are installed for a higher degree of freedom so that the X and Y axes move freely on both sides and the height of the stand can be adjusted individually. And the radiation receiving unit is configured to be rotatable, so that the system can be configured to cope with various postures.

On the other hand, in case of the U-shaped type, the radiation generator and the receiver are fixed to both sides of the U-arm connected to the arm stand on the ground, so that the operation range is wide and the operation flexibility is good. It has the advantage of belonging to a relatively inexpensive side, but it is disadvantageous in that it has motion restriction rather than ceiling type. In order to realize such a motion, a Z-axis movement for changing the distance between the radiation generator and the radiation receiver (SID: Source-to-Image Receptor Distance), a rotation movement for rotating the U-arm, And a rotary motion for rotating the radiation receiving unit for the purpose of the present invention.

In the case of the C-type, the radiation generator and the receiver are fixed on both sides of the C-arm connected to the arm stand erected on a fixed or mobile designed base. The distance between the radiation generator and the receiver (SID: Source-to-Image Receptor Distance ) Are fixed and are used for fluoroscopy purposes. It is usually fixed with one rotation motion of C-arm, but it is designed to move the C-arm or the stand itself, or to design the C-arm itself as a movable type to secure the operating range and flexibility.

The table type means a radiation generating apparatus equipped with a table having a separate driving part other than the liver portable type table which is often used as an option in the above radiation generating apparatus. The most representative case is the radiographic and fluoroscopy equipment called R / F (Radiology and Fluoroscopy). It is usually based on a form that a stand is fixed vertically on a table that can be tilted up to 2 axes, more 6 axes, and more, and the stand is connected to a radiation generator and a receiver do. Here, the radiation generator or the radiation receiving unit can be moved together or separately in order to cope with various postures and photographing, and the operation range is very wide and the operation flexibility is also high.

In the case of the table type as described above, there is an advantage that it is possible to cope with various postures and photographing through combination of various driving parts. However, the system configuration is complicated and all the various driving parts need to be encoded and controlled. There is a dot.

As described above, in the conventional radiographic apparatus and the radioscopic imaging apparatus, complicated control and driving are required for the oblique angle imaging. In case of U-shaped, the U-arm should be rotated by a desired angle of inclination. In this case, in order to maintain parallelism with the surface of the U-arm, It is necessary to encode the rotation amount of the U-arm and to control the rotation of the radiation receiving part at the same time based on this information.

In the case of a conventional C-arm, it is impossible to take a tilt angle to fix the radiation generator and the receiver to both sides of the C-arm. Therefore, various measures have been devised and utilized to overcome this. In Korean Prior Art Patent No. 10-1457099, in order to change the distance (SID) between the radiation generator and the radiation receiver, and to enable the multi-plane photographing and the angle photographing, the first and second joints And two axes and an axis driving unit. However, in the case of the above-mentioned patent, it is necessary to move the two joints and the axes so that the two joints and the axes are in the proper position for the oblique angle photographing through the movement of the joint part.

In the case of the table type, it is general to cope with the oblique angle photographing through control of various driving parts. Korean Prior Art Patent No. 10-1232757 describes a table type radiographic apparatus in which a stand is fixed to the floor and a table is attached to a stand, and a method corresponding to various modes is described. In the case of the above-described patent technology, FIG. 11 illustrates the inclined angle photographing. In order to photograph the inclined angle, the rotation movement of the C-arm and the rotation movement of the radiation receiving section corresponding to the movement are required. Or to control the additional movement of the radiation receiver.

Conventional radiographic apparatuses need to compensate for the rotation angle of the arm by rotating the arm in order to encode the amount of rotation and maintain the horizontal position of the radiation receiving unit. To this end, additional devices such as additional motors, joints, drivers, and control devices are required, which requires cost and effort.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems of the prior art, and it is an object of the present invention to provide a radiographic apparatus and a radiation receiving apparatus, And to implement a radiographic and imaging device that can be easily used without additional cost and effort for constructing a separate complex control system.

According to an aspect of the present invention, there is provided a variable rotation coupling unit (600) having a variable length according to a situation, comprising a radiation receiver (200) and a radiation generator support frame The radiation generator 100 rotates by the rotation of the rotation unit 120 and the rotation unit 210 of the radiation receiver so that the radiation generator 100 naturally moves toward the radiation receiver 200 so that the preparation of the radiation incline angle photographing So as to be easily handled.

In addition, a separate unit for controlling the motor, the electronic driving unit, the encoder, and the driver is not installed in the connecting portion of the radiation generator supporting unit rotating unit 120 and the radiation receiving unit rotating unit 210 and the rotating connecting unit 600, And the like.

According to an embodiment of the present invention, when the radiation generator supporting frame 400 moves according to the driving of the frame transferring part 500 for the radiation incline angle photographing, when the radiation receiving part 200 does not move, And the rotation part 210 of the radiation receiving part 210 are rotated, the length of the rotation connection part 600 connected thereto is changed, and the preparation for photographing the radiation incline angle is completed naturally.

According to another embodiment of the present invention, when the radiation receiving unit 200 moves according to the driving of the radiation receiving unit transfer unit 310 for radiographic oblique photographing, when the radiation generating apparatus supporting frame 400 does not move, The radiation generator support rotation unit 120 and the radiation reception unit rotation unit 210 are rotated and the rotation connection unit 600 is changed in length to naturally prepare for the radiation incline angle photographing.

According to another embodiment of the present invention, when the radiation generator support frame 400 and the radiation receiver 200 are moved at the same speed as the same direction, the rotation connection portion 600 only moves in parallel, 120 and the radiation receiving unit rotation unit 210 do not rotate and only the position to be photographed on the table is changed.

According to another embodiment of the present invention, when the radiation generator support frame 400 and the radiation receiver 200 move simultaneously or sequentially in the same direction or in different directions, The radiation generator support rotation unit 120 and the radiation reception unit rotation unit 210 are rotated to naturally complete the preparations for taking the radiation incline angle.

According to the present invention, there is no need to develop and apply a complicated driving system in adjusting the photographing angle according to the photographed region and posture of the subject through the apparatus and the method of the present invention. In addition, the user is able to complete preparation of the radiation tilt angle naturally through simple operation of one or two driving systems instead of a relatively complicated operating method through a combination of various driving systems.

1 is an exemplary view of a radiographic apparatus according to an embodiment of the present invention.
FIG. 2 is a view illustrating a state in which a radiation oblique angle photographing is prepared according to the movement of the radiation receiver 200 in the radiographic apparatus according to an embodiment of the present invention.
FIG. 3 is a view illustrating a state in which a radiation incline angle photographing is prepared according to the movement of the radiation generator supporting frame 400 in the radiographic apparatus according to an embodiment of the present invention.
FIG. 4 is an exemplary view showing a state in which a radiation incline angle photographing is prepared when a table 300 is tilted in a radiographic apparatus according to an embodiment of the present invention.
5 is a view showing an example of the movement of the radiation generator 100 and the radiation receiver 200 for radiographic frontal radiography when the table 300 is tilted in the radiographic apparatus according to an embodiment of the present invention. .
FIG. 6 is a front view of a radiation angle imaging apparatus and a radiation generator 100, a radiation generator support 110, a radiation generator support rotation unit 120, A receiving portion 200, a radiation receiving portion rotating portion 210, a basic rotating connecting portion 600a and an extended rotating connecting portion 600b of the rotating connecting portion 600. FIG.
FIG. 7 is a schematic diagram illustrating a radiation generator 100, a radiation generator support 110, a radiation generator support rotation unit 120, and a radiation generator 120 according to a vertical movement of the radiation generator support rotating unit 120 in the radiographic apparatus according to an embodiment of the present invention. A receiving unit 200, a radiation receiving unit rotating unit 210, and a rotation connecting unit 600. [
8 is an exemplary view showing a rotation state of the radiation generator support rotation unit 120 and a radiation reception unit rotation unit 210 and a vertical movement of the radiation generator support rotation unit 120 in the X-ray apparatus according to an embodiment of the present invention .
9 is a view illustrating a state in which the rotation connection unit 600 is driven according to a change in distance between the radiation generator support rotation unit 120 and the radiation reception unit rotation unit 210 in the X-ray apparatus according to the embodiment of the present invention.

The terms or words used in the present specification and claims are intended to mean that the inventive concept of the present invention is in accordance with the technical idea of the present invention based on the principle that the inventor can appropriately define the concept of the term in order to explain its invention in the best way As well as the concept.

Whenever a part includes an element throughout the specification, it means that the element can include other elements, not excluding other elements, unless specifically stated otherwise. Also, the term " part " or the like described in the specification refers to a unit for processing at least one function or operation, which may be implemented by hardware or software or by a combination of hardware and software.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a radiation angle photographing apparatus and method according to the present invention will be described in detail.

1 shows a radiographic apparatus according to an embodiment of the present invention.

As shown in FIG. 1, a radiographic apparatus according to an embodiment of the present invention includes:

A radiation generator (100) connected to the generator to generate a radiation by colliding the cathode and the electron;

A radiation receiver 200 through which the radiation irradiated from the radiation generator 100 passes through an object to be inspected;

An examination table 300 in which a patient to be examined is located;

A radiation generator support 110 for connecting the radiation generator 100 to the radiation generator support frame 400;

A radiation generator support rotation unit 120 connected to the radiation generator support base 110 and capable of rotating without being electrically powered, and capable of moving up and down along the radiation generator support frame 400;

A radiation generator support frame 400 connected to the radiation generator support rotation part 120 to support the radiation generator;

A frame transfer unit 500 for moving the radiation generator support frame 400 from side to side;

A radiation receiving unit transfer unit 310 for moving the radiation receiving unit 200 to the left and right;

The radiation generator 100 is connected to the radiation generator support rotation unit 120 and the radiation receiving unit 200 and moves in accordance with the movement of the frame transfer unit 500 or the radiation receiving unit transfer unit 310. The radiation generator 100, A rotation connection part 600 for connecting the rotation part 120 and the rotation part 210 of the radiation receiving part so as to rotate;

And a table supporting table 700 supporting the table 200 and the radiation receiving unit 200 and serving as a rotation center point when the table 300 is tilted.

FIG. 2 illustrates a radiographic apparatus according to an embodiment of the present invention. Referring to FIG. 2, when the position of the rotary connector 600 is changed according to the movement of the radiation receiver 200 and the length of the rotary connector 600 changes The radiation generator support base 120 and the radiation receiver rotation unit 210 are rotated so that the radiation generator support 110 and the radiation generator 100 are rotated to naturally face the radiation receiving unit 200, .

FIG. 3 illustrates a radiographic apparatus according to an exemplary embodiment of the present invention. Referring to FIG. 3, when the position of the rotary connector 600 is changed according to the movement of the support frame 400, The radiation generator support 110 and the radiation generator 100 are rotated and naturally directed toward the radiation receiving unit 200 to correspond to the radiation incline angle photographing by rotating the radiation generator support rotation unit 120 and the radiation receiving unit rotation unit 210, .

FIG. 4 is a view showing a radiation tilting angle when the table 300 of the radiographic apparatus according to the embodiment of the present invention is tilted. In order to rotate the table 300 around the table support 700, first, the frame generator 500 is operated to properly position the radiation generator support frame 400. The rotation generator 120 and the radiation receiver 200) should also be in the proper position. When the table 300 is tilted along the table support 700, the rotation of the radiation support unit rotation unit 120, the rotation of the radiation receiving unit rotation unit 210, and the change of the length of the rotation connection unit 600, The radiation generator 100 is directed to the radiation receiving unit 200 even after the rotation.

In this case, when the radiation inclination angle photographing is required for a specific part, when the radiation receiving part 200 is positioned at the part to be photographed and the rotation part 120 of the radiation generator support part is moved by the inclination angle, the rotation part 120 of the radiation generator support part, The radiation tilting angle photographing is naturally prepared by the rotation of the rotary connector 210 and the change of the length of the rotary connector 600.

FIG. 5 is a front view of a radiographic image taken along a radiographic part when the table 300 is tilted in the radiographic apparatus according to an embodiment of the present invention.

When the table 300 is tilted along the table support 700 and then a frontal view is taken with respect to a specific region, the radiation generator 100 and the radiation receiver 200 are moved The radiopaque support unit rotation unit 120 and the radiation receiver unit 200 are moved so as to face each other so that a frontal region can be photographed with respect to a desired site.

FIG. 6 is a view showing the radiation generator 100 and the radiation receiver 200 at the time of frontal view and oblique angle photographing of the apparatus for photographing an oblique angle of incidence according to an embodiment of the present invention. Fig. 6 (a) on the left side of Fig. 6 shows a state when the camera is in a first front photographing state, and Fig. 6 (b) on the right side shows a state of photographing an oblique angle photographing state. The radiation generator support frame rotation part 120 is also moved to the upper left of the radiation receiving part 200 as shown in FIG. 1 (b) just above the radiation receiving part 200 as shown in FIG. It is located in the upper right corner. The rotation of the radiation generator support rotation part 120 and the rotation of the radiation receiving part rotation part 210 are rotated by the rotation connection part 600 connecting the radiation generator support rotation part 120 and the radiation reception part rotation part 210. At this time, the radiation generator support rotation unit 120 rotates together with the rotation of the rotation connection unit 600, and the radiation reception unit rotation unit 210 corresponds to the rotation of the rotation connection unit 600, The radiation receiver 200 maintains the existing attitude and the radiation generator 100 and the radiation generator support 110 and the radiation generator support rotation unit 120 are rotated to face the radiation receiver 200.

In this case, if there is no change in the height from the ground of the radiation receiver 200 and the radiation generator 100, the distance between the radiation generator support rotation unit 120 and the radiation receiver 200 becomes long, Which can be handled by a variable rotation connection structure including a basic rotation connection part 600a and an extended rotation connection part 600b.

At this time, the connection part between the radiation generator support rotation part 120 and the rotation connection part 600, and the connection part between the rotation connection part 600 and the radiation reception part rotation part 210 are controlled by a motor, a driver, an encoder, And to operate in a form corresponding to a manual response when a physical force is generated.

FIG. 7 is a view showing a radiation generator support rotating part 120 vertically moving up and down along a radiation generator supporting frame 400 in a radiation angle imaging apparatus according to an embodiment of the present invention. The radiation generator support rotation unit 120 is fixed to the radiation generator support frame 400 but drives the screw 400a inside the radiation generator support frame 400 as described below in FIG. (120) can be moved.

At this time, the direction of the radiation generator 100 is naturally turned to the radiation receiver (not shown) so that the radiation receiver rotation part 210 and the radiation generator support rotation part 120 rotate according to the upward and downward movement of the radiation generator support rotation part 120 And the length of the rotation connection part 600 is changed as the distance between the radiation receiver rotation part 210 and the radiation generator support rotation part 120 changes.

At this time, the rotation movement of the radiation generator support rotation unit 120 and the radiation reception unit rotation unit 210 and the change in the length of the rotation connection unit 600, which are described in detail in FIGS. 2, 3, 4, 5, Due to the movement of the radiation receiving unit 200 and the movement of the screw 400a that controls the movement of the radiation generator support frame 400 and the radiation generator support rotation unit 120, the order and action of the interaction is not sequential but rather simultaneous It is fair to see them as enemies.

8 is a schematic view illustrating a radiation generator support rotation unit 120 and a radiation receiver rotation unit 210 according to an embodiment of the present invention. The radiation generator support rotation unit 120 is roughly divided into a radiation generator support rotary member outer side 120a connected to the radiation generator support member 110 and a radiation generator support member rotation member inner side 120b connected to the radiation generator support frame 400. The outer portion 120a of the rotation support portion of the radiation generator and the inner portion 120b of the rotation support portion of the support portion of the radiation generator are connected to each other by a widely known bearing method, and when the rotation movement of the rotation support portion 120 of the radiation generator support is required by external force, The outer side 120a of the rotation part of the radiation generator support is rotated along the inside 120b of the generator support rotation part.

In the case of the above-described situation, in the case of the radiation receiving part rotating part 210, the inside part 210a of the rotating part of the radiation receiving part fixed to the radiation receiving part 200 and the inside part 210a of the rotating part of the radiation receiving part connected to the rotating connection part 600, The inner part 210a of the rotation part 210a of the radiation receiving part is rotated along the outer side of the fixed part of the radiation receiving part rotation part 201b when the rotation part of the radiation receiving part rotation part 210 is required by the externally applied force.

As described above, the radiation generator support rotation unit 120 connected to the rotation connection unit 600 and the radiation receiving unit rotation unit 210 rotate to naturally radiate the radiation incline angle.

In this case, the radiation generator support rotation part 120 and the radiation reception part rotation part 210 are rotated without using any physical control means such as a motor or a driver.

In this case, the inside 210a of the rotation part of the radiation generator support part 120 of the radiation generator support part rotation part 120 can move along the guide groove 400b by the rotation of the screw 400a.

9 is a schematic illustration of a rotation connection part 600 according to an embodiment of the present invention. The rotation connection part 600 is formed at a portion where the length of the rotation connection part 600 changes according to the movement of the radiation generator supporting frame 400 or the radiation receiving part 200 The countermeasures against such problems have been made public. A rack gear 610 is formed on the outer wall surface of the extended rotation connection portion 600b located inside the basic rotation connection portion 600a and a rotary gear 620 is engaged with the rack gear to provide an extended rotation connection portion 600b, So that it can protrude or come out of the rotary connection part 600a.

At this time, the rotary gear 620 is set to operate only at a specific torque or more, and can be changed in accordance with the lateral movement of the radiation generator support frame 400 or the radiation receiver 200 or the vertical movement of the rotation unit of the radiation generator .

It will be appreciated by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is to be understood, therefore, that the embodiments described above are to be considered in all respects as illustrative and not restrictive.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: radiation generator
110: Radiation generator support
120: Radiation generator support rotating part
120a: Radiation generator support rotation part outside
120b: inside of the rotation part of the radiation generator support
200: radiation receiver
210:
210a: inside of the rotation part of the radiation receiving part
210b: Radiation receiving part Rotation part outside
300: Inspection table
310: Radiation receiver section
400: radiation generator support frame
400a: Screw
400b: guide groove
500: frame transfer part
600:
600a: Basic rotation connection
600b: extension rotation connection
610: Racks
620:
700: Table support

Claims (3)

A radiation generator (100) connected to the generator to generate a radiation by colliding the cathode and the electron;
A radiation receiver 200 through which the radiation irradiated from the radiation generator 100 passes through an object to be inspected;
An examination table 300 in which a patient to be examined is located;
A radiation generator support 110 for connecting the radiation generator 100 to the radiation generator support frame 400;
A radiation generator support rotation unit 120 connected to the radiation generator support base 110 and capable of rotating without being electrically powered, and capable of moving up and down along the radiation generator support frame 400;
A radiation generator support frame 400 connected to the radiation generator support rotation part 120 to support the radiation generator;
A frame transfer unit 500 for moving the radiation generator support frame 400 to the left and right;
A radiation receiving unit transfer unit 310 for moving the radiation receiving unit 200 to the left and right;
The radiation generator 100 is connected to the radiation generator support rotation unit 120 and the radiation receiving unit 200 and moves in accordance with the movement of the frame transfer unit 500 or the radiation receiving unit transfer unit 310. The radiation generator 100, A rotation connection unit 600 for connecting the reception unit rotation unit 210 and the reception unit rotation unit 210 so as to be rotatable;
And a table support 700 that serves as a rotation center point when the table 300 is tilted and supports the table 200 and the radiation receiving unit 200. In the radiographic or radiographic imaging, And the digital radiographic image capturing method and apparatus of the present invention are capable of taking various photographs in a comfortable posture.
The method according to claim 1,
The radiation generator support rotation unit 120 includes:
A radiation generator support rotating part inner side 120b connected to the driving part;
(120a), which operates in a form corresponding to a manual response when a physical force is generated, such as a motor, a driver, and an encoder for controlling the radiation And the radiation generator 100 is always rotated by the right or left or up and down movement of the radiation receiver 200 so that the radiation generator 100 always faces the radiation receiver 200. [
The method according to claim 1,
The radiation receiver rotation unit 210 includes:
A radiation receiver outer side 210b coupled to the radiation receiver 200 connected to the driving unit;
(Not shown), a motor for controlling the motor, a driver, an encoder, and the like. The internal part 210a includes a radiation receiving part 210a, which operates in a manner of manually responding to a physical force, And the radiation generator (100) is always turned to the radiation receiving unit (200) by rotating the radiation receiving unit (200) by the right or left or up and down movement.

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