JP2013192703A - X-ray diagnostic apparatus and moving-type display apparatus for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an X-ray diagnostic apparatus preventing a display apparatus from being moved by unforeseen external force to improve usability when making positional adjustment of the display apparatus.SOLUTION: An X-ray diagnostic apparatus is structured as follows: a display apparatus carriage 9 is provided with a lock mechanism 21 which locks the up-and-down movement of a support 10 while allowing turn thereof; the lock mechanism 21 includes a pair of rubber locking rollers 22, an arm 23, a toggle mechanism 24, an operation lever 25 and a base part 26; the locking rollers 22 are displaceable between the locking positions where the rollers are pushed against the side surface of the support 10 and releasing positions where the rollers separate from the support 10; and the locking rollers 22 which rotate due to the turn of the support 10 to allow the turn of the support 10, and also inhibit the up-and-down movement of the support 10 due to frictional force against the support 10 when the rollers are located at the locking positions.

Description

  The present invention relates to a mobile display device of an X-ray diagnostic apparatus in which a display is supported on a support column that can move up and down and turn, and an X-ray diagnostic apparatus having the mobile display device.

  In recent years, the display has greatly changed from a thick CRT type to a thin type with a flat display surface represented by liquid crystal and plasma. The flow is the same in the medical industry, and therefore the needs for display devices used in medical devices are changing.

  Specifically, since a large CRT type display is obstructive no matter where it is located, it is often used in a fixed position where it does not get in the way. On the other hand, since the thin-type display is lightweight, it can be easily moved to a position where it can be easily seen, and can be easily stored when not used. For this reason, surgeons in the operating field and operators of the X-ray diagnostic apparatus are not only aware of the image quality displayed on the display but also how to use the display such as position and posture. In particular, a high degree of freedom is often desired for the method of using the display for inspections and procedures performed while viewing the display image.

  For example, a conventional mobile X-ray fluoroscopic diagnosis apparatus has a diagnostic apparatus main body and a mobile display apparatus. The diagnostic device main body is mounted on the C-arm so as to face the X-ray source, the C-arm supported by the C-arm carriage, the C-arm supported by the C-arm carriage, the X-ray source mounted on the C-arm. X-ray detector. Moreover, the mobile display device has a display carriage and a display supported by the display carriage (for example, see Patent Document 1).

  The arrangement of the diagnostic device body varies depending on the examination and the procedure, and as a result, the standing position of the operator and operator changes, so the demand for positioning the display device is diversified so that the display device is placed in a position that is as easy to see as possible. .

  In addition, the display of the mobile X-ray fluoroscopic diagnosis apparatus is often configured with two surfaces for a fluoroscopic image and a reference image. Furthermore, the display size has been increasing due to the need to display an image of a region of interest as large as possible. For this reason, even if a thin type display is used, the area which occupies space becomes large and the weight also increases. However, it is difficult to improve this point directly from the viewpoint of a trade-off with the image size.

  From the above, it is necessary to move the display quickly so that the operator and operator can check the image without stress and to position the display at an appropriate position that does not interfere with the procedure in the operating space. It is done.

  In a conventional movable display device, a joint arm type and a support column type are known as a display support structure.

  Of these, the column type is a type in which the display unit is supported by a vertical column that is erected on the display carriage, and the operator and operator can move by moving the carriage and moving the display up and down and turning. The indicator can be placed at the required position. Moreover, although it is necessary to move the whole cart to arrange the display device in a wide range, the support column does not hinder the procedure. Furthermore, by providing a balancer that cancels the mass of the display device, the support can be easily moved up and down manually, and can be configured with lower power consumption and lower cost.

JP 2011-87746 A

  In the mobile display device of the conventional X-ray diagnostic apparatus as described above, the support column can be moved up and down with a small operating force. On the contrary, the display unit is moved by an inadvertent external force, and it is properly arranged. It may be necessary to reposition the indicator.

  The present invention has been made to solve the above-described problems, and can prevent the display from moving due to an inadvertent external force, thereby improving the usability when adjusting the position of the display. An object of the present invention is to obtain a mobile display device for an X-ray diagnostic apparatus.

  A mobile display device for an X-ray diagnostic apparatus according to the present invention includes a display carriage, a support column provided on the display carriage so as to be movable up and down, a display supported by the support column, and a display carriage. And a locking mechanism that locks the other while allowing either the turning or vertical movement of the support.

  In the mobile display device of the X-ray diagnostic apparatus according to the present invention, since the lock mechanism is provided on the display carriage, it is possible to prevent the display from moving due to inadvertent external force, and to adjust the position of the display. Usability can be improved.

1 is a configuration diagram showing a mobile X-ray fluoroscopic diagnosis apparatus according to Embodiment 1 of the present invention. It is sectional drawing which shows the support structure of the support | pillar of FIG. It is sectional drawing which shows the state which cancelled | released the support | pillar of FIG. It is a top view which shows the roller for a lock | rock and arm of FIG. It is sectional drawing which shows the principal part of the movable display apparatus by Embodiment 2 of this invention. It is a front view which shows the relationship between the roller for a lock | rock of FIG. 5, and an operation lever. It is sectional drawing which shows the state which locked turning of the support | pillar of FIG. It is a front view which shows the relationship between the roller for locking of FIG. 7, and an operation lever. It is sectional drawing which shows the principal part of the movable display apparatus by Embodiment 3 of this invention. It is sectional drawing which shows the state which locked the up-and-down movement of the support | pillar of FIG. It is a front view which shows the relationship between the roller for locking of FIG. 10, and an operation lever. FIG. 10 is a cross-sectional view illustrating a state in which the locking roller of FIG. 9 is rotated to a turning lock position. It is a front view which shows the relationship between the roller for a lock | rock of FIG. 12, and an operation lever. FIG. 10 is a plan view showing a first example of a position arrangement of operation levers according to the third embodiment. FIG. 10 is a plan view illustrating a second example of the position arrangement of the operation lever according to the third embodiment. FIG. 10 is a plan view illustrating a third example of the position arrangement of the operation lever according to the third embodiment. FIG. 10 is a plan view illustrating a fourth example of the position arrangement of the operation lever according to the third embodiment.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
1 is a block diagram showing a mobile X-ray fluoroscopic diagnosis apparatus according to Embodiment 1 of the present invention. In the figure, the mobile X-ray fluoroscopic diagnostic apparatus has a diagnostic apparatus main body 1 and a mobile display apparatus 3 connected to the diagnostic apparatus main body 1 via a cable 2. Although the mobile display device 3 is shown larger than the diagnostic device main body 1 in the figure, the mobile display device 3 is actually smaller than the diagnostic device main body 1.

  The diagnostic apparatus main body 1 includes a C-arm carriage 4, an arm support drive mechanism 5 mounted on the C-arm carriage 4, a C-arm 6 supported and driven by the arm support drive mechanism 5, and a C-arm 6 And an X-ray detector 8 mounted on the other end of the C-arm 6 so as to face the X-ray source 7.

  The X-ray source 7 and the X-ray detector 8 are arranged so as to sandwich the subject placed on the bed. The X-ray source 7 irradiates the subject with X-rays. The X-ray detector 8 detects X-rays that have passed through the subject.

  The mobile display device 3 includes a display cart 9, a cylindrical support column 10 that is erected vertically to the display vehicle 9, and first and second supports supported by the support column 10 on the display vehicle 9. Display units 11 and 12. The support column 10 can turn about its axis and can move up and down. The indicators 11 and 12 are moved up and down integrally with the support column 10 and turned. The display carriage 9 also incorporates an image processing device (not shown) that performs image processing based on the signal detected by the X-ray detector 8.

  FIG. 2 is a cross-sectional view showing the support structure of the support column 10 of FIG. 1 and shows a state in which the vertical movement of the support column 10 is locked. FIG. 3 is a cross-sectional view showing a state in which the lock of the column 10 of FIG. 2 is released. A turning support portion 14 is provided at the lower end portion of the support column 10. The turning support unit 14 is moved up and down integrally with the support column 10.

  A plurality of vertical movement guides 15 a and 15 b that guide the vertical movement of the turning support portion 14 are fixed in the display cart 9. The turning support portion 14 is provided with a bearing 14 a that allows the support column 10 to turn.

  A balancer 16 for canceling the mass of the indicators 11 and 12 and the column 10 is provided between the turning support portion 14 and the indicator carriage 9. Thereby, the support | pillar 10 can be moved up and down easily manually.

  The balancer 16 includes a pair of rotatable pulleys 17 a and 17 b provided in the display carriage 9, and a pair of wires 18 a and 18 b wound around the pulleys 17 a and 17 b and having one end connected to the turning support portion 14. And a pair of conston springs 19 a and 19 b connected between the wires 18 a and 18 b and the display carriage 9.

  In the display carriage 9, a support column holding unit 20 that holds an intermediate portion of the support column 10 so as to be vertically movable and pivotable is provided. The column holding part 20 is provided with a plurality of (for example, four) spheres 20 a that are rotatable so as to surround the column 10.

  Since both the swivel support portion 14 and the balancer 16 are provided as described above, depending on how the force is applied, when the user wants to move only up and down or only moves up and down There is a possibility that it will turn. On the other hand, the display carriage 9 is provided with a lock mechanism 21 that locks the vertical movement while allowing the column 10 to turn. The lock mechanism 21 includes a pair of rubber lock rollers 22, an arm 23, a toggle mechanism 24, an operation lever 25, and a base portion 26.

  The locking roller 22 can be displaced in the horizontal direction between a locked position (FIG. 2) pressed against the side surface of the column 10 and a release (free) position separated from the column 10 (FIG. 3). Further, the rotation axis of the locking roller 22 is parallel to the axis of the column 10, that is, vertical.

  When the locking roller 22 is in the locked position, the locking roller 22 is rotated by turning the support column 10 to allow the turning of the support column 10, and prevents vertical movement of the support column 10 by a frictional force with the support column 10.

  The operation lever 25 protrudes on the display carriage 9 on the back side of the displays 11 and 12. The operation lever 25 has an L-shaped lever main body 25b that can swing around a swing shaft 25a fixed to the base portion 26, and a handle portion 25c provided at the upper end of the lever main body 25b. ing.

  The locking roller 22 is disposed at the tip of the arm 23. The arm 23 is arranged in a direction that is perpendicular to the axial direction of the column 10, that is, horizontally. The toggle mechanism 24 includes a first link 24 b that can swing about a swing shaft 24 a fixed to the base portion 26, and a second link that is rotatably connected to the first link 24 b and the arm 23. 24c. The movement of the arm 23 is restricted only in the direction in which the locking roller 22 is displaced between the lock position and the release position.

  FIG. 4 is a plan view showing the locking roller 22 and the arm 23 of FIG. The locking rollers 22 are spaced apart from each other in the horizontal direction. A length adjusting mechanism 23 a for adjusting the length of the arm 23 is provided at an intermediate portion of the arm 23. By adjusting the length of the arm 23, the pressing force of the locking roller 22 against the support column 10 when in the locked position is adjusted.

  In such a movable display device 3, the vertical movement of the support column 10 can be locked by the lock mechanism 21, so that it is possible to prevent the display devices 11 and 12 from moving due to inadvertent external force. , 12 can be improved in ease of use.

  Further, since the lock mechanism 21 allows the support column 10 to turn, the horizontal angle of the indicators 11 and 12 can be easily changed even when the vertical movement of the support column 10 is locked. In other words, when adjusting the angles of the display units 11 and 12, the height of the display units 11 and 12 is not erroneously changed by adjusting the operation force.

  Further, by pressing the locking roller 22 against the side surface of the column 10, the vertical movement is prevented while allowing the column 10 to turn, so that only the vertical movement of the column 10 can be locked with a simple configuration.

  Furthermore, since the locking roller 22 is displaced by manually operating the toggle mechanism 24, an appropriate pressing force can be obtained with a simple configuration, and the locking roller 22 can be held in the locked position. And cost can be reduced.

  Further, since the two locking rollers 22 are arranged side by side, a sufficient frictional force can be ensured without increasing the pressing force, and the vertical movement of the column 10 can be more reliably locked.

  In addition, by installing the lock roller 22 so that the rotation axis direction of the lock roller 22 is horizontal with respect to the axial direction of the support column 10, the turning can be locked while allowing the support column 10 to move up and down. .

Embodiment 2. FIG.
Next, FIG. 5 is a cross-sectional view showing the main part of the mobile display device according to Embodiment 2 of the present invention, and shows a state in which the vertical movement of the column 10 is locked. 6 is a front view showing the relationship between the locking roller and the operation lever in FIG. 5, FIG. 7 is a cross-sectional view showing a state in which the turning of the column 10 in FIG. 5 is locked, and FIG. 8 is an operation with the locking roller in FIG. It is a front view which shows the relationship with a lever.

  The display carriage 9 is provided with a lock mechanism 31 that selectively locks either the turning or vertical movement of the column 10. The lock mechanism 31 includes a single rubber lock roller 32, an arm 33, an operation lever 34, and a base portion 35.

  The locking roller 32 is pressed against the side surface of the column 10 with a predetermined pressing force. The locking roller 32 is disposed at the tip of the arm 33. The arm 33 is disposed in a direction that is perpendicular to the axial direction of the column 10, that is, horizontally. The arm 33 can be rotated in the range of 90 ° with the locking roller 32 about the horizontal axis by operating the operation lever 34. As a result, the lock roller 32 has a vertical movement lock position (FIGS. 5 and 6) whose rotation axis is parallel to the axis of the column 10 and a rotation lock position (horizontal) whose rotation axis is perpendicular to the axis of the column 10 (horizontal). 7 and 8).

  When the lock roller 32 is in the vertical movement lock position, the lock roller 32 is rotated by turning the support column 10 to allow the support column 10 to turn, and prevents the support column 10 from moving up and down by a frictional force with the support column 10.

  Further, when the locking roller 32 is in the turning lock position, the locking roller 32 prevents the supporting column 10 from turning due to a frictional force with the supporting column 10 and is rotated by the vertical movement of the supporting column 10 to permit the vertical movement of the supporting column 10. . Other configurations are the same as those in the first embodiment.

  In such a mobile display device, the vertical movement of the support column 10 can be locked by the lock mechanism 31, so that it is possible to prevent the display units 11 and 12 from moving due to inadvertent external force. Usability when adjusting the position of 12 can be improved.

  In addition, since the lock mechanism 31 allows turning while locking the vertical movement of the column 10, the horizontal angle of the indicators 11 and 12 can be easily changed even when the vertical movement of the column 10 is locked. it can. In other words, when adjusting the angles of the display units 11 and 12, the height of the display units 11 and 12 is not erroneously changed by adjusting the operation force.

  Furthermore, since the lock mechanism 31 can also lock the vertical movement while locking the turning of the support column 10, it can cope with a wider range of requests from the operator and the operator.

  Furthermore, since the locking roller 32 that can be rotated between the rotation lock position and the vertical movement lock position is used, the rotation and the vertical movement lock can be easily switched by the rotation of the locking roller 32. it can.

Embodiment 3 FIG.
Next, FIG. 9 is a cross-sectional view showing the main part of a mobile display device according to Embodiment 3 of the present invention, and shows a state in which the lock of the column 10 is released. 10 is a cross-sectional view showing a state in which the vertical movement of the support column 10 in FIG. 9 is locked, FIG. 11 is a front view showing the relationship between the locking roller 22 and the operation lever 25 in FIG. 10, and FIG. FIG. 13 is a front view showing a relationship between the locking roller 22 and the operation lever 25 in FIG. 12.

  In the third embodiment, the locking roller 22 of the first embodiment is rotatable between the vertical movement lock position and the turning lock position as in the second embodiment. That is, the lock roller 22 can be rotated about a horizontal axis together with the arm 23 and the toggle mechanism 24 by operation of the operation lever 25. As a result, the locking roller 22 can be displaced between three positions: a vertical movement lock position, a turning lock position, and a lock release (free) position. Other configurations are the same as those in the first embodiment.

  In such a mobile display device, only the vertical movement of the column 10 can be locked, only the turning can be locked, and all locks can be easily released, so that it is possible to respond more widely to the demands of the operator and operator. It is possible to improve usability.

  Here, FIG. 14 is a plan view showing a first example of the position arrangement of the operation lever 25 of the third embodiment, and the left side of the figure is the support 10 side. A T-shaped guide hole 9 a is provided on the upper surface of the housing of the display carriage 9. The operation lever 25 passes through the guide hole 9a and is operated along the guide hole 9a. That is, the operation direction of the operation lever 25 is regulated by the guide hole 9a.

  By moving the operation lever 25 to the support 10 side end (free position) of the guide hole 9a, the locking roller 22 is displaced to the release position as shown in FIG. Further, the locking roller 22 is pressed against the column 10 by tilting the operation lever 25 from the free position to the opposite column 10 side. At this time, the locking roller 22 has an intermediate angle between the vertical movement lock position and the turning lock position (intermediate angle position).

  By operating the operation lever 25 from the intermediate angle position to the upper side in FIG. 14, as shown in FIG. 11, the locking roller 22 is rotated to the vertical movement lock position. Further, by operating the operation lever 25 downward from FIG. 14 from the intermediate angle position, the locking roller 22 is rotated to the turning lock position as shown in FIG.

  FIG. 15 is a plan view showing a second example of the position arrangement of the operation lever 25 of the third embodiment. A U-shaped guide hole 9 b is provided on the upper surface of the housing of the display carriage 9. In this example, there are two free positions.

  FIG. 16 is a plan view showing a third example of the position arrangement of the operation lever 25 of the third embodiment. An L-shaped guide hole 9 c is provided on the upper surface of the housing of the display carriage 9.

  FIG. 17 is a plan view showing a fourth example of the position arrangement of the operation lever 25 of the third embodiment. An L-shaped guide hole 9 d that is line-symmetric with the third example is provided on the upper surface of the housing of the display carriage 9.

  Thus, the position arrangement of the operation lever 25 can be selected as appropriate according to the needs of the operator and the operator. The lever 25 is not limited to the back side of the indicators 11 and 12 and can be disposed at any position around the support column 10.

In the above example, the mobile X-ray fluoroscopic diagnosis apparatus is shown. However, the present invention can also be applied to a stationary X-ray fluoroscopic diagnosis apparatus. Further, the present invention can be applied to a fluoroscopic diagnostic apparatus that continuously irradiates X-rays in a pulse shape, and an X-ray imaging apparatus that performs imaging by temporarily irradiating X-rays. For this reason, the configuration of the diagnostic apparatus body is not limited to the above example.
Further, in the above example, the two indicators 11 and 12 are supported by the support column 10, but the number of indicators may be one or three or more.
Further, the configuration of the balancer and the column holding part is not limited to the above example.

  9 Display Cart, 10 Posts, 11 First Display, 12 Second Display, 21,31 Lock Mechanism, 22,32 Locking Roller.

Claims (11)

An indicator carriage,
A column provided on the display carriage so as to be vertically movable and turnable,
An indicator supported by the support;
A movable display device for an X-ray diagnostic apparatus, comprising: a lock mechanism that is provided on the display carriage and locks the other while allowing either the turning or the vertical movement of the support column.   The mobile display device of the X-ray diagnostic apparatus according to claim 1, wherein the lock mechanism locks the vertical movement while allowing the support column to turn. The locking mechanism is
A locking roller that is displaceable between a locking position pressed against the side of the column and a release position separated from the column;
When the locking roller is in the locking position, the locking roller is rotated by turning of the support column to allow the support column to turn, and prevents vertical movement of the support column by a frictional force with the support column. The mobile display device for an X-ray diagnostic apparatus according to claim 2.   4. The mobile display device of the X-ray diagnostic apparatus according to claim 3, wherein the direction of the rotation axis of the locking roller is parallel to the axial direction of the support column. The locking mechanism has an arm arranged in a direction perpendicular to the axial direction of the support column, and a locking roller arranged at the tip of the arm,
The mobile display device of the X-ray diagnostic apparatus according to claim 1, wherein the locking roller is pressed against a side surface of the support column using the arm. An indicator carriage,
A column provided on the display carriage so as to be vertically movable and turnable,
An indicator supported by the support;
A movable display device for an X-ray diagnostic apparatus, comprising: a lock mechanism that is provided on the display carriage and selectively locks one of turning and vertical movement of the support column. The locking mechanism has a locking roller that is pressed against a side surface of the column,
The locking roller is rotatable between a vertical movement lock position and a turning lock position,
The locking roller is
When it is in the vertical movement lock position, it is rotated by turning of the support column and allowed to turn of the support column, and the vertical movement of the support column is prevented by a frictional force with the support column,
The fulcrum is prevented from turning by a frictional force with the support when in the turning lock position, and is allowed to rotate up and down by the vertical movement of the support. 7. A mobile display device for an X-ray diagnostic apparatus according to 6.   The direction of the rotation axis of the locking roller is parallel to the axial direction of the column when the locking roller is in the up-and-down movement lock position, and when the locking roller is in the turning lock position, The mobile display device for an X-ray diagnostic apparatus according to claim 7, wherein the movable display device is perpendicular to the axial direction of the X-ray diagnostic apparatus. The locking mechanism has an arm arranged in a direction perpendicular to the axial direction of the support column, and a locking roller arranged at the tip of the arm,
The mobile display device for an X-ray diagnosis apparatus according to claim 6, wherein the locking roller is pressed against a side surface of the support column using the arm.   The mobile display device of the X-ray diagnostic apparatus according to any one of claims 7 to 9, wherein the locking roller can be displaced to a release position separated from the support column.   An X-ray diagnostic apparatus comprising the mobile display device according to any one of claims 1 to 10.

Images