JPH06225871A - Testee mounting top plate for ct radiography - Google Patents

Abstract

PURPOSE:To provide a testee mounting top plate for CT radiography capable of being fitted with various radiographic auxiliary tools required in response to the condition and radiographic portion of a testee, capable of keeping the posture of the testee stable, and capable of correctly applying CT radiography. CONSTITUTION:A testee mounting top plate for CT radiography is provided with a testee mounting top plate main body 10P mounting a testee M to guide the testee M into a frame used for CT radiography, a radiographic auxiliary tool fitting mechanism 11a installed in the region A of the frame where the top plate main body 10P is not guided, and a radiographic auxiliary tool removably fitted to the radiographic auxiliary tool fitting mechanism 11a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a CT imaging subject mounting 置天 plate used in CT imaging, such as X-ray CT.

[0002]

Method of obtaining a tomographic image of the subject by the Related Art X-ray CT scanner has been known.

[0003] FIG. 9 (a) is a diagram showing a conventional example of such an X-ray CT scanner. That is, 1 denotes a CT imaging gantry having an imaging device consisting of the X-ray tube or the like,
Opening 2 for introducing a subject is provided in the center of the gantry 1. Also, 3 is a bed for mounting the subject 4 is supported on the bed, and a top plate provided slidably to introduce the subject into the opening 2 of the gantry 1 shows. The top plate 4 is formed due to the need to transmit X-rays inside the subject, which can transmission of X-ray material.

[0004] FIG. 9 (b) is a view showing the top surface of the top plate 4. The top plate as shown in FIG. 9 (b) 4 is approximately the area A to the center portion, area B from the substantially central portion to the gantry-side end portion, the gantry-side end from the end opposite to the frame side It is made up of three regions of the part of area C. Region A is a region for remaining on the bed 3 at the time of the top plate slides supporting the entire top plate 4, a region B is actually inserted into the gantry 1 can shoot at the time the top plate slides a region, region C is an imaging aid attachment region for attaching the imaging aids handlebar such that can be subject for example to stabilize the posture of the subject is caught. The image-capturing aid is used to prevent the image when the subject's body moves during shooting becomes unclear. The shooting aid attachment mechanism is generally not the X-ray is not transmitted because it is formed of a metal member or the like, can not be photographed.

[0005]

In 置天 plate 4 mounting conventional subject for CT imaging as described above which [0005], shooting aid attachment mechanism for provided only in the region C, had the following problem. That is, for example, when the foot side of the subject, such as to insert photographed abdomen to the gantry 1, it was unable to stabilize the posture because there is no portion where the subject caught. Especially such a case where the subject is required to shoot with the drip, it is necessary to fix the arms in order to perform the infusion, there is a problem that there is no means for securing the arms. Also, there may be required a variety of imaging aid in accordance with the subject's condition and inspection sites, etc., for photographing aid attachment mechanism has been limited in the conventional top plate, photographic aid that can be used there is also a problem that is limited.

[0006] The present invention can be attached to various shooting aid that required according to the condition or imaging region such as subject, stably keeping obtain the required attitude of such subjects, CT
And its object is to provide a CT imaging subject mounting 置天 plate capable of performing a shooting accurately.

[0007]

To achieve a solution to the purpose above problems SUMMARY OF THE INVENTION The present invention is subject mounting 置天 plate for introducing a subject within the gantry for use in CT imaging and supporting a patient a body, a photographing aid attachment mechanism located in a region that is not introduced into the frame of the top plate, and so and a shooting aid detachably attached to the imaging aid attachment mechanism.

[0008]

[Action] As a result of taking the above-mentioned means, acts such as the following may occur.

[0009] in a region that is not introduced to the gantry, the imaging aid attachment mechanism for attaching an imaging aid is provided, various imaging aids that required according to the condition or imaging region such as the subject it can be a or removal or optionally attached. Therefore it is possible to diversify the method of CT imaging, it is possible to respond to precisely the needs of the operator.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, CT imaging subject mounting 置天 plate 10 according to this embodiment, the top plate imaging aid in the region A that is not introduced into the gantry body 10P attachment mechanisms 11a and 11
b is provided, also 11a to the region C, and shooting aid attachment mechanism 11c having the same structure as 11b are provided.

[0011] FIG. 2 (a) (b) is photographed aid attachment mechanism 1
The 11a the structure of 1a~11c illustrates an example. Hole 12a penetrating as shown top plate body 10P, 1
2b are provided symmetrically about the longitudinal axis of the top plate 10P. The holes 12a, the arm base such as shooting aid is detachably attached to 12b. Arm table 20
As is shown in FIG. 2 (c), the arm table body 21 and the insertion portion 2
2a, and a 22b. Insertion portion 22a, 22b is hole 12a described above, and has freely insertable as provided detachably on 12b. Next will be described an operation when performing CT imaging using the top plate of the first embodiment constructed in this manner.

[0012] FIG. 3 is a diagram showing a case of continuously shooting up the abdomen from the waist of the subject. That is, to secure the grip bar 23 as shown in FIG shooting aid attachment mechanism 11b. Then, to secure the footrest 24 to the photographing assisting tool attachment mechanism 11c. Then, the foot side of the subject M is placed toward the frame side, asked holding a grip bar 23 to the subject M, carried out the introduced CT imaging from the foot side in the frame 1.

[0013] FIG. 4 is a diagram showing a case of continuously shooting from the waist of the subject to the chest. That is, the foot fixing base 25 as shown in FIG placed in an appropriate position to secure the arm base 20 in the shooting aid attachment mechanism 11b. Next, the subject M
Of the foot end is placed towards the frame side, to secure the foot knees bent. Then placing the arm of the subject M to the arm base 20, and introduced CT imaging from the foot side in the frame 1. This embodiment is a preferred example when shooting while among the infusion to the subject M.

[0014] FIG. 5 (a) (b) is a diagram showing a case of photographing the chest of the subject M. That is, to secure the arm base 20 as shown in FIG. 5 (a) to the photographing assisting tool attachment mechanism 11c. Next, the head side of the subject's M placed toward the base 1 side, arms fixed to the arm base 20, is introduced into the gantry 1 CT
Carry out the shooting. FIG. 5 (b) shows a case where photographing aid is handlebar 23.

[0015] FIG. 6 is a diagram showing a second upper surface of 置天 plate 30 mounting the subject for CT imaging according to an embodiment of the present invention. Also,
Figure 7 (a) (b) is a diagram showing an imaging aid attachment mechanism in detail, illustrates an arm stand as an example of FIG. 7 (c) (d) shooting aid attachment mechanism and shooting aid it is.

[0016] Differences in 置天 plate 30 subject mounting for CT imaging in accordance with this embodiment is the first embodiment and 置天 plate 10 mounting the subject for CT imaging of Example differs, the structure of the shooting aid attachment mechanism It is in. That is, in the area A of the top plate 30P is provided with photographic aid attachment mechanism 31a, also in the region C is photographed aid attachment mechanism 31b is provided.

FIG. 7 (a) (b) is photographed aid attachment mechanism 3
1a a is a structural view of the mounting mechanism shown as an example. Shooting aid attachment mechanism 31a is formed on the upper surface of the top plate fixed base on the body 30P 32 this base 32, top plate 3
Along the long axis of the 0P and a dovetail groove 33 provided in parallel. Arm table 40 is detachably attached to the dovetail groove 33. Arm table 40 Fig. 7 (c) (d)
As shown in, and a arm table body 41 and the slide portion 42. Slide unit 42 is adapted to slidably engage the dovetail groove 33 described above.

[0018] In the present embodiment having such a configuration, the sliding portion 42 of the arm base 40 and the slide insert from the inlet of the dovetail groove 33, and stops fixed at an arbitrary position. Similarly, photographed as desired by the operator aid attachment mechanism 31b
Also, to fix the arbitrary imaging aid, it may be performed imaging.
The mounting screws to the slide portion 42, by pressure contact with the dovetail groove bottom or the like in the tip of the screw position, it may be the slide portion 42 can be stably temporarily fixed in position.

[0019] Thus in the present embodiment, as in the first embodiment, the photographing assisting tool if necessary attachment mechanism 31
a, it is possible to conduct the CT photographing is attached an appropriate shooting aid to 31b. The photographing aid attachment mechanism 31a of the second embodiment, 31b because it is possible to vary the position of attaching the imaging aid continuously, of the subject in a more fine-grained manner than in the first embodiment attitude can identify the.

[0020] In the case that does not require imaging aids, using a state removed all shooting aid as shown in FIG. 8, used in the same manner as conventional CT imaging subject mounting 置天 plate can do. The present invention is not limited to the respective embodiments, in the range of various modifications can be implemented without departing from the gist of the invention.

[0021]

According to the present invention, it can be attached to various shooting aid that required according to the condition or imaging region such as the subject, resulting kept stably required posture of such a subject , C
The T imaging can provide a CT imaging subject mounting 置天 plate that can be made accurately.

BRIEF DESCRIPTION OF THE DRAWINGS

It shows the upper surface of the CT imaging subject mounting 置天 plate according to the first embodiment of the present invention; FIG.

Figure 2 (a) (b) is a top view and a side view of a photographic aid mounting mechanism incorporated in the CT imaging subject mounting 置天 plate according to the embodiment, (c) the same shooting aid attached It shows an arm stand as an example of a mechanism and the imaging aid.

[Figure 3] a diagram showing an example of the use of CT imaging subject mounting 置天 plate according to the embodiment and shows a state where fitted with the rod grip and footrest as an imaging aid.

[Figure 4] a view showing an example of the use of CT imaging subject mounting 置天 plate according to the embodiment and shows a state where fitted with a foot fixing base and arms table as an imaging aid.

[5] a diagram showing an example of the use of CT imaging subject mounting 置天 plate according to the embodiment, (a) shows the diagram showing a state of attaching the arm stand as an imaging aid, (b) the same auxiliary It shows a state of attaching the grip bar as ingredients.

6 shows the upper surface of the CT imaging subject mounting 置天 plate according to a second embodiment of the present invention.

7 (a) (b) is a top view and a side view of a photographic aid mounting mechanism incorporated in the CT imaging subject mounting 置天 plate according to the embodiment, (c) (d) is the photographing It shows an arm stand as an example of aid attachment mechanism and the imaging aid.

8 is a diagram showing another example of the use of CT imaging subject mounting 置天 plate according to the embodiment.

9 (a) is a schematic view, (b) is a plan view showing a CT imaging subject mounting 置天 plate of the conventional example showing a conventional example of a X-ray CT scanner.

DESCRIPTION OF SYMBOLS

10, 30 ... CT imaging subject mounting 置天 plate 10P, 30P ... top plate 11 a to 11 c, 31a, 31b ... shooting aid attachment mechanism 12a, 12b ... hole 20, 40 ... arm base 21, 41 ... arm table body 22a, 22b ...
Insertion portion 23 ... grip bar 24 ... footrest 25 ... foot fixing stand 32 ... base 33 ... dovetail groove 42 ... slide portion

Claims (1)

[The claims]
1. 1. A and the specimen mounting 置天 plate body to introduce the subject in a frame for use in mounting and CT imaging a subject, photographing the top plate is installed in a region that is not introduced into the frame of the body auxiliary a tool attachment mechanism, the imaging aid CT imaging subject mounting 置天 plate, wherein the attachment mechanism that includes a removably mounted is photographed aid.