WO2019156351A1

WO2019156351A1 - Mobile computerized tomographic apparatus

Info

Publication number: WO2019156351A1
Application number: PCT/KR2019/000004
Authority: WO
Inventors: 윤권하; 김대원; 김규겸; 유종현; 정길환; 김판중
Original assignee: 원광대학교산학협력단
Priority date: 2018-02-07
Filing date: 2019-01-02
Publication date: 2019-08-15
Also published as: KR20190095658A; KR102088156B1

Abstract

The present invention relates to a mobile computerized tomographic apparatus comprising: a moving body extending a predetermined length along the forward and backward directions which are moving directions thereof, and having a rolling part, which rolls in contact with a bottom surface, at a lower portion thereof; a rotating gantry, mounted on an upper side of the moving body, for capturing a tomographic image of a patient while sliding along the left and right directions of the moving body; and a rail module, mounted between the moving body and the gantry, for sliding the gantry from the moving body, wherein the sliding direction of the gantry is configured to be perpendicular to the moving direction of the moving body.

Description

Mobile computed tomography equipment

The present invention relates to a mobile computed tomography apparatus, and more particularly, is manufactured in a movable form so as to photograph the tomography of the patient under surgery, the movable gantry is operated so that the rotary gantry slides more stably along the portion to be photographed. A computerized tomography apparatus.

In general, a computed tomography (CT) device is an imaging device representing a tomography image of a human body. An X-ray transmitted from various angles of the human body is measured by a computer, and an image is obtained by reconstructing an absorption value of a cross section of the human body. It is a tomography device. A computed tomography device usually consists of a medical table that provides a space for the patient to lie down, and a gantry that passes through the medical table and transmits X-rays to the patient to take the patient's tomography.

On the other hand, in the operating room, intensive care unit, emergency room environment by moving the computed tomography device to the position of the patient's operating table during the operation to photograph the surgical site, by mobilizing the appropriate surgical techniques in conjunction with the three-dimensional information and surgical navigation in real time, Increasing the safety and precision of surgical patients and improving the treatment effect can reduce the complications. However, the conventional CT computed tomography device is installed in the CT room so that the examination table does not move from the rotating gantry and is installed in the CT room.In order to perform tomography during surgery, the patient is moved to the CT room and placed on the examination table. It is difficult to move due to various monitoring equipment for surgery, anesthesia and breathing machine attached to the patient's body, various treatment tools, and various unexpected problems such as infection of the patient during the movement. There is a problem that tomography imaging of the patient is difficult.

Thus, when tomography of the patient is required while operating the patient on the operating table, the need for a mobile computed tomography device that can take a patient's tomography by moving the rotating gantry has emerged.

(Patent Document) KR Registered Patent No. 10-0205151 (1999.04.01.)

The present invention has been made to solve the above problems, an object of the present invention is to move freely to take a tomography image of the patient in operation in the operating room, the mobile body of the tomography apparatus is moved to the operation table In the state, as the rotary gantry is slidably moved along the left and right direction from the moving body to provide a mobile computed tomography device capable of taking a stable and accurate imaging of the patient's tomography.

Another object of the present invention is to provide a mobile computed tomography apparatus which can be safely moved without an accident by securing a forward field of view to the driver when the computed tomography apparatus moves.

Still another object of the present invention is to provide a mobile computed tomography apparatus that is free to steer and move.

On the other hand, other objects not specified in the present invention will be further considered within the scope that can be easily inferred from the following detailed description and effects.

According to an aspect of the present invention, there is provided a mobile computed tomography apparatus including: a moving body having a cloud movement part extending in a predetermined length along a front and rear direction in a moving direction and contacting a bottom surface to perform a cloud movement; Rotating gantry is installed on the upper side of the mobile body, the sliding gantry sliding along the left and right directions of the mobile body to take a tomography of the patient; And a rail module installed between the moving body and the gantry to slide the gantry from the moving body, wherein the sliding direction of the gantry crosses the moving body perpendicularly to the moving direction of the moving body.

Here, the rail module, the guide rail is installed along the front and rear direction of the moving body; A moving plate provided below the rotary gantry and slidingly moved along the guide rail; And a driving unit for moving the moving plate.

Here, the display unit is provided at the rear of the moving body, the camera is mounted in front of the moving body or the rotating gantry, the image taken from the camera is characterized in that it is output through the display.

Here, a movement handle is provided at the rear of the movement body, and the movement direction and steering of the cloud movement part is controlled according to the degree of pressurization of the left and right sides of the movement handle.

Here, the moving body is raised by the rolling motion portion inside the lower portion is in direct contact with the floor, or the fixed rod protruding downward from the bottom contact the floor to limit the rolling motion of the rolling portion, the position does not move It is characterized in that it is fixed.

Here, when the sliding movement distance of the rotating gantry falls short of the patient's photographing range to be scanned, the moving body automatically moves left and right by left and right directions by the cloud movement unit after the patient tomography by the rotating gantry. Shooting, the captured image is characterized in that the registration (stitching) processing by the image processing apparatus.

In the mobile computed tomography apparatus according to the present invention, the front and rear direction, which is the moving direction, extends to a predetermined length, and the width of the left and right directions is narrow, so that the width of the left and right directions is narrower than the length of the front and rear directions, and is installed below. By rolling through the cloud movement unit, it is possible to quickly and easily pass through a narrow passage or door, there is an advantage that can be easily moved to a location where a computerized tomography apparatus is required in a medical facility.

In addition, the mobile computed tomography apparatus according to the present invention is equipped with a camera on the front opposite the movement handle, the image taken from the camera outputs a display unit provided adjacent to the movement handle or in accordance with the user's field of view, computerized tomography In case of moving the photographing apparatus, the front view of the user covered by the rotating gantry is secured through the camera and the display unit, so that the CT apparatus can be safely moved.

In addition, the mobile computed tomography apparatus according to the present invention has the advantage that the movement and steering of the cloud movement part is controlled according to the degree of pressurization of the front, rear, left and right of the movement handle, more easily to move and steer the computed tomography apparatus.

In addition, the mobile computed tomography apparatus according to the present invention is equipped with a control module for analyzing and outputting the image taken from the rotating gantry in the mobile body can quickly and accurately check the tomography image of the patient taken during operation of the patient state There is an advantage that can be quickly identified and replaced.

In addition, the mobile computed tomography apparatus according to the present invention has an advantage that the sliding movement of the rotating gantry from the moving body is more accurate and stable by using the rail module of the LM guide type in which the movable plate slides along the guide rail. .

1 is a perspective view of a mobile computed tomography apparatus according to an embodiment of the present invention.

2 (a) and 2 (b) are side views showing a state in which a rotating gantry moves in a mobile computed tomography apparatus according to an exemplary embodiment of the present invention.

Figure 3 (a) and (b) is a view schematically showing the side and the front of the rail module provided between the moving body and the rotating gantry of the mobile computed tomography apparatus according to an embodiment of the present invention.

Figure 4 is a perspective view of a mobile computed tomography apparatus according to an embodiment of the present invention viewed from the bottom.

The objects, specific advantages and features of the present invention will become more apparent from the following detailed description and the preferred embodiments associated with the accompanying drawings. In addition, the terms used are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of the user operator. Therefore, the definitions of these terms should be made based on the contents throughout the present specification.

Hereinafter, with reference to the drawings will be described in detail the configuration and operation of an embodiment of the present invention.

First, Figure 1 is a perspective view of a mobile computed tomography apparatus according to an embodiment of the present invention, Figure 4 is a perspective view of the mobile computed tomography apparatus of the present invention viewed from the bottom.

1 and 4, the mobile computed tomography apparatus 100 according to the exemplary embodiment of the present invention extends to a predetermined length along the front and rear direction, which is the moving direction A of the tomography apparatus 100. The rear of the control module 116 is provided, the lower portion of the mobile body 110, the left and right of the mobile body 110 is equipped with a rolling unit 114 consisting of an auxiliary caster (114a) and a drive caster (114b) It is installed between the rotating gantry 120 and the moving body 110 and the rotating gantry 120 to scan and scan the tomography of the patient moving along the direction sliding sliding the gantry 120 from the moving body 110 It is configured to include a rail module 130 to.

In the meantime, for convenience of description, the X, Y, and Z coordinates shown in FIG. 1 are used to define the X direction in the front-rear direction, the Y direction in the left-right direction, and the Z direction in the vertical direction. In addition, the mobile computed tomography apparatus 100 according to an exemplary embodiment of the present invention is defined and described as moving forward along the A direction shown in FIG. 1, and the definition of the above-described direction is defined in the claims and the specification. The same applies throughout.

*

The mobile body 110 is slidably coupled to the rotating gantry 120 for scanning and photographing the tomography of the patient. The moving body 110 has a narrow width in the left and right directions in preparation for the length of the front and rear direction, which is the moving direction, and moves through the cloud movement part 114 installed at the bottom, so that it can pass through a narrow passage or door easily and quickly. Since it is, it has the advantage that it can be easily moved to the required position in the medical facility.

In more detail, the moving body 110 extends to a predetermined length along the front and rear direction, which is the moving direction, and the width of the front and rear direction is narrow, so that when viewed from above, the moving body 110 has a long rectangular shape in the front and rear directions. Have The moving body 110 is generally positioned in the center and supports the support part 111 which protrudes upwards from both left and right sides of the support part 111 and the gantry 120 is installed on the upper part, and supports the rotating gantry 120. Comprising (112), and comprises a movement knob 113, rolling motion 114, camera 115 and the control module 116.

The cloud movement part 114 is provided below the moving body 110. The rolling unit 114 is configured to include an auxiliary caster (114a) in contact with the floor and the drive caster (114b) to be automatically rotated by the drive motor (not shown). The rolling unit 114 is provided in the front and rear directions of the moving body 110, respectively, and consists of two auxiliary casters 114a and one driving caster 114b. However, the configuration of the cloud movement section 114 and the cloud movement section 114 is not intended to limit this to one embodiment.

The moving body 114 is controlled to move and steer by the rolling motion of the rolling unit 114. In more detail, the drive caster 114b is rotated by a drive motor (not shown), and the moving body 114 is moved by the rotation of the drive caster 114b. In addition, the driving caster 114b is capable of steering the moving direction of the moving main body 114 by rotating a horizontal 360 degrees from the bottom of the moving main body 110 in the vertical direction by the drive motor (not shown). The driving of the driving caster 114b may be controlled by the movement handle 113 or the controller 119 of the control module 116. In addition, the auxiliary casters 114a disposed on both the left and right sides of the drive caster 114b are also installed to be horizontally rotated 360 degrees from the lower portion of the moving body 110 along the vertical direction in the same way as the drive caster 114b.

The moving handle 113 is disposed at the rear of the moving body 110. In detail, the movement handle 113 is provided at the support part 112 positioned at the rear of the two support parts 112. The moving handle 113 is a member that can be gripped by the user, has a predetermined left and right length, and protrudes rearward from the rear surface of the moving body 110. On the other hand, the movement knob 113 is provided to control the operation of the drive caster (114b) constituting the rolling motion 114 according to the pressure of the user. In more detail, when the left and right sides of the moving handle 113 are equally pressurized, the driving caster 114b rotates to move forward and moves the moving body 110 forward. On the other hand, when pressing either one of the left or right side of the movement knob 113, the horizontal rotation of the drive caster 114b is controlled to be bent in the movement direction of the moving body 114 in the pressing direction. That is, when only the left side of the moving handle 113 is pressed, the driving caster 114b rotating by the driving motor (not shown) rotates horizontally to the left, so that the moving direction of the moving body 110 is steered to the left. do.

The camera 115 is an image pickup apparatus for capturing an image, and the image captured by the camera 115 is output to the display unit 118 of the control module 116. Since the camera 115 is preferably disposed in front of the computed tomography apparatus 100, the camera 115 may be mounted in front of the moving body 110 or in front of the rotating gantry 120, and in front of the moving body 110. Most preferably.

The control module 116 is provided at the rear of the moving body 110 as described above. The control module 116 converts and outputs the image photographed from the rotating gantry 120, and also moves the rotating gantry 120 by driving the rail module 130. The control module 116 includes an image processing apparatus 117 for data calculation, a display unit 118, and a controller 119.

The image processing apparatus 117 is embedded inside the support part 112 positioned at the rear of the moving body 110, and processes the image captured by the rotating gantry 120 and transmits the image to the display unit 118. do. The image processing apparatus 117 may be a personal computer. In addition, the mobile computerized imaging apparatus 100 according to an embodiment of the present invention, when the sliding movement distance of the rotating gantry 120 does not fall within the photographing range of the patient to be scanned, the mobile body 110 by the rotating gantry After the initial scan is moved to the left and right by the rolling unit 114 is operated to scan the remaining photographed portion. In this case, the tomography image of the patient photographed first and the tomography image of the patient photographed after the movement are matched, that is, stitched, by the image processing apparatus 117 and output to the display unit 118.

The display unit 118 is provided at an upper end of the support part 112 positioned behind the moving body 110. In this case, the display unit 118 is preferably disposed adjacent to the movement handle 113, so that the display unit 118 is located where the front gaze of the user touches while the user grips the movement handle 113. Most preferably. For example, when the user moves the computed tomography apparatus 100 while holding the movement handle 113, the height of the rotating gantry 120 connected to the moving body 110 is considerable, so that the user's gaze It is blocked by the rotating gantry 120 has a problem that it is difficult to secure the front view. At this time, the mobile computed tomography apparatus 100 according to an exemplary embodiment of the present invention outputs the front view image photographed from the camera 115 disposed in front of the mobile body 110 to the display unit 118 to display the user's image. Since the display unit 118 is used to secure the front field of view, it is preferable that the display unit 118 be disposed where the front field of view of the user touches while the user grips the movable handle 113 as described above.

The display unit 118 outputs a photographed image of the camera 115 disposed in front of the computerized tomography apparatus 100 when the computer 100 is moved, and from the rotating gantry 120 when the tomography of the patient is performed through the rotating gantry 120. After the image is taken, the tomography image of the patient processed through the image processing apparatus 116 is finally output.

The controller 119 is provided at the support part 112 located at the rear of the moving body 110. The controller 119 is used to control the driving of the rail module 130 and the operation of the rotating gantry 120.

On the other hand, when the computerized tomography apparatus 100 according to an embodiment of the present invention needs to be moved, the computerized tomography apparatus 100 is moved by using the cloud movement unit 114 of the mobile body 110 as described above. Let's go.

However, when photographing the tomography of the patient using the rotating gantry 120, it is necessary to limit the operation of the cloud movement unit 114 for tomography without shaking. Although not shown in detail in the present embodiment, the moving body 110 has a rolling portion 114 is raised inward to the bottom directly contact the floor, or a fixed rod (not shown) protruding downward from the bottom contact the floor. By limiting the rolling motion of the rolling unit 114, the position can be fixed without moving. At this time, the rising or falling of the rolling unit 114 and the fixed rod (not shown) may be made through the controller 119 of the control module 116.

2 (a) and 2 (b) are side views showing a state in which the rotating gantry of the mobile tomography apparatus according to the embodiment of the present invention is moved.

1 and 2, the rotating gantry 120 takes a tomographic image of the patient by passing through a portion of the patient to be photographed as described above. The configuration and operation principle of such a rotating gantry 120 is a technique known in the prior art, and will not be described in detail because it is not a feature of the present invention. Rotating gantry 120 is installed on the upper side of the base 111 of the moving body 110, the sliding movement along the left and right directions of the moving body (110). The front sliding direction B of the moving body 110 forms a direction perpendicular to the front and rear directions of the moving body 110. Sliding operation of the rotary gantry 120 is made through the rail module 130 is installed between the moving body 110 and the rotary gantry (120).

3 (a) and 3 (b) is a view schematically showing the side and the front of the rail module provided between the moving body and the rotating gantry according to an embodiment of the present invention.

1 and 3, the rail module 130 is provided between the upper side of the base 111 of the moving body 110 and the bottom of the rotary gantry 120. A plurality of rail modules 130 may be installed at predetermined intervals, and two rail modules 130 may be installed as in the present embodiment. The rail module 130 is provided on the guide rail 132 installed along the front and rear directions of the moving body 110 and the bottom plate of the rotating gantry 120, and the movable plate 134 sliding along the guide rail 132. And a driving unit for moving the moving plate 136.

The guide rail 132 is installed above the support 111 of the mobile body 110. The guide plate 132 is mounted in a state in which the movable plate 134 is slidably movable. A bearing 133 is provided between the guide rail 132 and the movable plate 134. Rotating gantry 120 is connected to the upper side of the moving plate 134 and the moving plate 134 is slidably moved forward and backward along the guide rail 132 by the drive unit.

The drive unit may be of a ball screw or belt drive type. In this embodiment, the drive unit is shown in the ball screw method consisting of a rotating screw 136 through which the screw rotatably penetrates the moving plate 134, and a drive rotating motor 138 to reversely rotate the rotating screw 136. However, the present invention is not limited thereto, and as described above, the driving means may be a method of slidingly moving the moving plate 134 through the caterpillar rotation of the belt.

The moving body 110 of the mobile computed tomography apparatus 100 according to the present invention having the above configuration has a length in the front-rear direction as the front-back direction in the moving direction extends to a predetermined length and the width in the left-right direction is narrow. In contrast, the width of the left and right directions is formed narrowly, and by moving through the cloud movement part 114 installed in the lower portion, it is possible to quickly and easily pass through a narrow passageway or door, so that the computed tomography apparatus in the medical facility ( 100) has the advantage that it can be easily moved to the required position.

In addition, when the computerized tomography apparatus 100 moves to an operating room, an intensive care unit, or an emergency room in a hospital building, the camera 115 is mounted in front of the moving handle 113 held by the user, and the camera 115 is located. ), The image captured by the output unit is output to the display unit 118 provided adjacent to the moving handle 113, so that when the CT apparatus 100 is moved, the front view of the user covered by the rotating gantry 120 is displayed on the camera 115. And secured through the display unit 118 has the advantage that can be safely moved to the computed tomography apparatus (100).

In addition, since the movement and steering of the cloud movement unit 114 is controlled according to the pressing degree of the left or right side of the movement handle 113, there is an advantage that the computerized tomography apparatus 100 can be moved and steered more easily.

In addition, the control module 116 for analyzing and outputting the image taken from the rotating gantry 120 is provided in the mobile body 110, the tomography image of the patient can be quickly and accurately confirmed, the state of the patient during surgery There is an advantage that can be quickly identified and replaced.

In addition, by using the rail module of the LM guide system in which the movable plate 136 slides along the guide rail 132, the sliding movement of the rotating gantry 120 from the moving body 110 is more accurate and stable. There is this.

The terms "comprise", "comprise", or "having" described above mean that a corresponding component may be included unless specifically stated otherwise, and therefore, excludes other components. Rather, it should be interpreted to include other components. All terms, including technical and scientific terms, have the same meanings as commonly understood by one of ordinary skill in the art unless otherwise defined. Terms used generally, such as terms defined in a dictionary, should be interpreted to coincide with the contextual meaning of the related art, and shall not be interpreted in an ideal or excessively formal sense unless explicitly defined in the present invention.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims

A moving body extending in a predetermined length along the front and rear direction, which is a moving direction, and having a cloud movement part contacting the bottom surface and performing rolling motion;

Rotating gantry is installed on the upper side of the mobile body, the sliding gantry sliding along the left and right directions of the mobile body to take a tomography of the patient; And

And a rail module installed between the moving body and the gantry to slide the gantry from the moving body.

And a sliding direction of the gantry crosses perpendicularly to a moving direction of the moving body.
The method of claim 1,

The rail module,

A guide rail installed along the front and rear directions of the moving body;

A moving plate provided below the rotary gantry and slidingly moved along the guide rail; And

And a driving unit for moving the movable plate.
The method of claim 1,

And a display unit provided at the rear of the moving body, and a camera mounted at the front of the moving body or the rotating gantry, and the image photographed from the camera is output through the display unit.
The method according to claim 1 or 3,

A mobile handle is provided at the rear of the mobile body, and the movement direction and the steering of the rolling motion part are controlled according to the pressure of the left or right side of the mobile handle.
The method of claim 1,

The moving body is fixed by moving the rolling portion inside the lower portion is in direct contact with the bottom or the fixed rod protruding downward from the bottom to the bottom to limit the rolling movement of the rolling portion, the position does not move Mobile computed tomography device, characterized in that.
The method of claim 1,

If the sliding movement distance of the rotating gantry falls short of the patient's photographing range to be scanned, the moving body photographs the remaining photographing area by automatically moving left and right by the rolling motion after the patient tomography by the rotating gantry. The photographed image is a mobile computed tomography apparatus, characterized in that the matching (stitching) processing by the image processing apparatus.