JP3141782B2 - Subject mounting table - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a subject mounting table used for, for example, an X-ray fluoroscope.

[0002]

2. Description of the Related Art A conventional object mounting table shown in FIGS. 5 and 6 includes a mounting table main body 101, a step 102 serving as a support member of an object mounted on the table main body 101, and a step 102. And a connecting mechanism 103 for connecting the mounting table main body 101 to the mounting table main body 101. The mounting table main body 101 is formed with a pair of grooves 110 having an upward opening and having an inverted T-shaped cross section.

[0003] The connecting mechanism 103 has a pair of fixed levers 104 that are inserted through the step 102. One end 104 a of each fixed lever 104 is movably inserted into the groove 110 along the longitudinal direction of the mounting table main body 101, and has a size that does not fall out of the groove 110. The other end 104b of the fixed lever 104 is
It protrudes from the bottom of the step 102. The step 102
Further, a compression spring 105 for pressing one end 104 a of each fixed lever 104 against the inner surface of the groove 110 is built in. When the one end 104 a of each fixing lever 104 is pressed against the inner surface of the groove 110, the step 102 is moved to the stage main body 101.
Fixed to Also, the other end 104 of each fixed lever 104
By pressing b against the elasticity of the spring 105, the pressing can be released, and the step 102 can be displaced in the longitudinal direction of the mounting table main body 2.

[0004]

In the above-mentioned conventional mounting table, it is difficult to clean the groove 110 formed in the mounting table main body 101 because the groove 110 has an inverted T-shape. Further, since the groove 110 is formed, there is a problem that the width dimension of the mounting table main body 101 becomes larger than required for mounting the subject.

[0005] In some cases, a supporting member for supporting the operation panel is connected to the mounting table main body instead of the step supporting the subject as the supporting member. In this case, the connection position is not limited to the foot of the subject like a step, but is changed over the entire area in the longitudinal direction of the mounting table main body. However, in the above-described conventional connection mechanism, the connection between the support member and the mounting table main body can be released only at both ends of the mounting table main body. For this reason, it is necessary to change the connection position by sliding the support member in the longitudinal direction in a state where the support member is connected to the mounting table main body, and the change operation is troublesome.

An object of the present invention is to provide a subject mounting table that can solve the above-mentioned problem.

[0007]

SUMMARY OF THE INVENTION The present invention provides a subject mounting table including a mounting table main body, a support member, and a connecting mechanism for connecting the supporting member to the mounting table main body. A first connecting part attached to the member, a second connecting part displaceably attached to a connecting position and a releasing position with respect to the supporting member, and a third connecting part attached to the mounting table main body; The first connecting portion is connectable to the third connecting portion so that the movement in the longitudinal direction and the downward movement are restricted with respect to the mounting table main body outside the mounting table main body. Is connected to the third connecting portion so as to prevent upward movement of the first connecting portion connected to the third connecting portion at the connecting position, and the connection is released at the disconnecting position. .

According to the above construction, by connecting the first connecting portion to the third connecting portion outside the mounting table main body, the longitudinal movement and the downward movement of the support member with respect to the mounting table main body can be restricted. 2 By displacing the connecting part to the connecting position,
The upward movement of the support member with respect to the mounting table main body can be restricted.
Thus, the supporting member can be provided without providing a difficult-to-clean groove in the mounting table main body as in the related art, and without increasing the width of the mounting table main body more than required for mounting the subject. Can be connected to the mounting table body. By displacing the second connection portion to the connection release position, the connection between the support member and the mounting table main body can be released, so that the connection position of the support member to the mounting table main body can be changed.

In the present invention, the third connecting portion includes a plurality of projecting members projecting outwardly from the mounting table main body and arranged in parallel at intervals in the longitudinal direction, and a rail extending along the longitudinal direction of the mounting table main body. The first connecting portion has a first notch and a second notch which can be fitted to the protruding member, and the first notch and the second notch are fitted to different protruding members. The first notch is formed so as to be spaced apart from each other in the longitudinal direction of the mounting table main body so that the vertical movement of the mounting table main body with respect to the mounting table main body is restricted and the longitudinal movement and the width direction rotation are possible. The second notch is fitted to the protruding member such that longitudinal movement and downward movement with respect to the mounting table main body are restricted and upward movement is allowed. Second connection It may have a latching portion located on the outer side of the rail member at the connection releasing position with hooked from below the rail member at the coupling position are preferred.

The first notch is fitted to the protruding member, and then the first connecting portion is swung downward with respect to the supporting member along the width direction of the mounting table main body, so that the second notch is fitted to the protruding member. it can. Thus, the first connecting portion is connected to the third connecting portion, and the movement of the support member in the longitudinal direction and the downward movement with respect to the mounting table main body can be restricted. Next, by displacing the second connecting portion to the connecting position and hooking the hook portion from below on the rail member, the upward movement of the first connecting portion connected to the third connecting portion with respect to the mounting table main body can be regulated.
Thereby, the support member can be connected to the mounting table main body. By displacing the second connecting portion to the uncoupling position and positioning the catch portion outside the rail member, the supporting member can be moved upward with respect to the mounting table main body, thereby connecting the supporting member and the mounting table main body. Can be canceled. That is, the connection and disconnection of the support member and the mounting table main body can be easily performed not only at both ends of the mounting table main body, but also between both ends.
The work of changing the connection position between the support member and the mounting table main body can be easily performed.

The second connection portion is displaced between a connection position and a connection release position by swinging about an axis along the longitudinal direction of the mounting table main body, and displaces the second connection portion to the connection position. Preferably, means for providing elasticity are provided.
According to this configuration, the connection between the support member and the mounting table main body can be released only by displacing the second connection portion to the connection release position against the elasticity. In addition, if the first connecting portion is connected to the third connecting portion, the second connecting portion can be connected to the third connecting portion by elasticity. Thereby, connection and disconnection between the support member and the mounting table main body can be easily performed.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

An object mounting table 1 shown in FIGS. 1 and 2 is disposed between an X-ray irradiator and an X-ray image receiving apparatus, and includes a mounting table main body 2 and a mounting table mounted on the mounting table main body 2. A stage (support member) 5 for the subject to be placed and a coupling mechanism 6 for connecting the stage 5 to the stage main body 2 are provided, and the stage main body 2 is tiltably supported by a support device (not shown). You.

The step 5 has a plate-shaped main body 5a perpendicular to the upper surface of the mounting table main body 2, and a pair of hollow support portions 5b extending from both ends of the main body 5a along the longitudinal direction of the mounting table main body 2. .

The connecting mechanism 6 is displaceably mounted on the first connecting portion 11 attached to each supporting portion 5b of the step 5 and the connecting position and the releasing position with respect to each supporting portion 5b of the step 5. The second connecting portion 12 and the mounting table main body 2
And a third connecting portion 13 attached to each of the outside.

At each outer side of the mounting table main body 2, the first connecting portion 11 can be connected to the third connecting portion 13 such that the longitudinal movement and the downward movement of the mounting table main body 2 are restricted. It has been. That is, as shown in FIGS. 2 and 3, each of the third connecting portions 13 protrudes outward from the side surface of the mounting table main body 2 and has a plurality of columnar projecting members 21 which are arranged in parallel at intervals in the longitudinal direction. And a rail member 22 along the longitudinal direction of the mounting table main body 2 supported by the tips of the protruding members 21. As shown in FIG. 2 to FIG.
The connecting portion 11 is a plate-shaped first portion 11 fixed to the step 5.
a, and a plate-like second portion extending downward from the first portion 11a.
And a second notch 2 in the second portion 11b.
5 and a second notch 26 are formed. The first notch 2
The 5 and the second notch 26 are formed at intervals in the longitudinal direction of the mounting table main body 2 corresponding to the interval between the projecting members 21 so that they can be fitted to different projecting members 21. The first notch 25 is opened only at one longitudinal end of the mounting table main body 2. Thereby, the first notch 2
Reference numeral 5 is fitted to the protruding member 21 such that the vertical movement of the mounting table main body 2 is restricted and the longitudinal movement and the rotation around the width direction are allowed. The second notch 26 is
Only the lower side of the mounting table main body 2 is opened. This allows
The second notch 26 is fitted to the protruding member 21 such that the longitudinal movement and the downward movement with respect to the mounting table main body 2 are restricted and the upward movement is allowed.

On each outer side of the mounting table main body 2, the second connecting portion 12 prevents the third connecting portion 13 from moving upward at the connecting position of the first connecting portion 11 connected to the third connecting portion 13. And the connection is released at the disconnection position. That is, as shown in FIG. 3, the second connecting portion 12 includes a first portion 12 a along the width direction of the mounting table main body 2 inside the support portion 5 b of the step 5 and an outer end of the first portion 12 a. It has a second portion 12b extending downward through an opening 5b 'formed in the support portion 5b, and a hook portion 12c extending from the lower end of the second portion 12b toward the center of the mounting table main body 2. First part 1
2a is attached to the first connecting portion 11 inside the support portion 5b of the step 5 so as to be swingable about a shaft 31 along the longitudinal direction of the mounting table main body 2, and as shown by a solid line due to the swing. The hook portion 12c is displaced between a connection position where the hook portion 12c is hooked on the rail member 22 from below and a connection release position where the hook portion 12c is located outside the rail member 22 as shown by a two-dot chain line. The inner wall of the supporting portion 5b of the step 5 and the first portion 12a form the second portion.
A compression coil spring 32 for providing elasticity for displacing the connecting portion 12 to the connecting position is supported. Note that a handle 12d is provided on the outer surface of the first portion 12b.

According to the above configuration, on both outer sides of the mounting table main body 2, first, the first notch 25 is fitted to the protruding member 21, and then the first connecting portion 11 and the stepping table 5 are connected to the mounting table main body 2.
The second notch 26 can be fitted to the protruding member 21 by swinging downward about the width direction of the protruding member 21. As a result, the first connecting portion 11 is connected to the third connecting portion 13, and it is possible to regulate the longitudinal movement and the downward movement of the step 5 with respect to the mounting table main body 2. Next, by displacing the second connecting portion to the connecting position and hooking the hook portion 12c on the rail member 22 from below, the upper portion of the first connecting portion 11 connected to the third connecting portion 13 with respect to the mounting table main body 2 is formed. Movement can be regulated.
Thus, the upward movement of the step 5 with respect to the mounting table main body 2 can be restricted. Therefore, the step 5 can be moved without providing a groove that is difficult to clean as in the related art on the mounting table main body 2 and without increasing the width of the mounting table main body 2 more than required for mounting the subject. It can be connected to the mounting table main body 2.

By displacing the second connecting portion 12 to the uncoupling position, the first connecting portion 11 is swung upward with respect to the width direction of the mounting table main body 2 together with the step platform 5, and the second notch 26 is moved to the projecting member 21. And then the first notch 25 is
1, the connection between the step 5 and the mounting table main body 2 can be released. The connection between the platform 5 and the mounting table main body 2 is released by positioning the hook portion 12c of the second connecting portion 12 on the outer side of the rail member 22. Easy to do. Thereby, the operation of changing the connection position between the step platform 5 and the mounting table main body 2 can be easily performed.

Further, by merely displacing the second connecting portion 12 to the disengaged position against the elasticity of the spring 32, the connection between the platform 5 and the mounting table main body 2 can be released.
Is connected to the third connecting portion 13, the second connecting portion 12 can be connected to the third connecting portion 13 by its elasticity. Thereby, connection and disconnection of the step platform 5 and the mounting table main body 2 can be easily performed.

Further, the operation panel of the fluoroscopic apparatus, the grip held by the subject, and the like can be connected to the mounting table main body at the same time as the step 5 using the rail member 22.

[0022]

According to the present invention, the supporting member can be connected to the mounting table main body without providing a groove which is difficult to clean or making the width dimension unnecessarily large. It is possible to provide a subject mounting table whose position can be easily changed.

[Brief description of the drawings]

FIG. 1 is a perspective view of a subject mounting table according to an embodiment of the present invention.

FIG. 2 is a side view of the subject mounting table according to the embodiment of the present invention.

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a perspective view of a first connecting portion according to the embodiment of the present invention.

FIG. 5 is a perspective view of a conventional object mounting table.

FIG. 6 is a side view of a conventional object mounting table.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 mounting table 2 mounting table main body 5 step platform (support member) 6 connecting mechanism 11 first connecting section 12 second connecting section 12c hooking section 13 third connecting section 21 projecting member 22 rail member 25 first notch 26 second notch

────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Wataru Miyamoto 1 Nishinokyo Kuwaharacho, Nakagyo-ku, Kyoto-shi, Kyoto, Japan Inside the Sanjo Plant of Shimadzu Corporation 48-18450 (JP, Y2) (58) Field surveyed (Int. Cl. ⁷ , DB name) A61B 6/03-6/04

Claims (2)

(57) [Claims] 1. A subject mounting table comprising a mounting table main body, a support member, and a connecting mechanism for connecting the supporting member to the mounting table main body, wherein the connecting mechanism includes a first connecting portion attached to the supporting member. And a second connecting portion displaceably attached to the supporting member at a connecting position and a releasing position, and a third connecting portion attached to the mounting table main body. The connection portion can be connected to the mounting table main body outside the mounting table main body such that the longitudinal movement and the downward movement are restricted. The second connection portion is connected to the third connection portion by the third connection portion. The third position in the connection position
A subject mounting table, which is connected so as to prevent upward movement of a first connecting portion connected to the connecting portion, and the connection is released at the connection releasing position. 2. A plurality of projecting members projecting outward from the mounting table main body and arranged in parallel at intervals in the longitudinal direction, and a rail member extending in the longitudinal direction of the mounting table main body. The first connecting portion has a first notch and a second notch that can be fitted to the protruding member, and the first notch and the second notch can be fitted to different protruding members. As described above, the first notch is formed at a distance from each other in the longitudinal direction of the mounting table main body, and the protruding member restricts the vertical movement with respect to the mounting table main body, and the longitudinal movement and the rotation around the width direction. The second notch is fitted to the protruding member such that longitudinal movement and downward movement with respect to the mounting table main body are restricted and upward movement is permitted. The two connecting parts are connected Claim having catches positioned on the outer side of the rail member at the connection releasing position with hooked from below the rail member at location 1
An object mounting table according to 1.