Positioning bell jar for breast CT (Computed Tomography)

Abstract

The utility model provides a positioning bell jar for mammary gland CT, and relates to the technical field of mammary gland CT, the positioning bell jar comprises a scanning bed used for supporting a human body, a shooting opening is formed in the surface of the scanning bed, a bell jar main body is arranged in the shooting opening and used for sinking and positioning a breast main body and an auxiliary breast so as to improve a shooting area of the auxiliary breast, and an installation assembly is arranged in the shooting opening and used for installing the auxiliary breast. The fixing device is used for fixing the bell jar main body at multiple angles to adapt to shooting of different side breasts; a positioning area is formed in the center of the bell jar body, one half of the outline of the positioning area is gradually decreased from the axis to one side, and the other half of the outline of the positioning area is gradually increased from the axis to the other side. By means of the bell jar body positioning area with one large end and one small end and in the shape of an egg, the breast body and the auxiliary breast of a patient can be positioned, the sinking area of the breast body and the auxiliary breast can be enlarged, the shooting range of the auxiliary breast can be enlarged, and then the effect of shooting and examining the mammary gland of the patient can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of breast CT, in particular to a positioning bell jar used for breast CT. Background Art

[0002] Breast lesions are common gynecological diseases, such as breast cancer, which often occur in women aged 30-54, and the incidence rate is increasing year by year. Early diagnosis and differentiation of breast lesions are important conditions for improving the survival rate and cure rate of patients, and CT scanning is a very important means of early diagnosis and differentiation. When using CT to examine breast lesions, the patient should lie prone in the middle of the scanning bed, with the breast naturally drooping and stretching, to facilitate the display and comparison of the lesions.

[0003] During the current breast CT examination, the patient lies on a scanning bed with her breast placed in the imaging port. The breast that has sunk through the imaging port to the inside of the scanning bed is then imaged and examined by an imaging device inside the scanning bed. However, during this process, not only can the patient's breast not be fixed, but the accessory breast part cannot be completely sunk to the inside of the imaging port. Therefore, the patient's breast cannot be stably imaged and scanned, and the patient's accessory breast cannot be completely imaged and examined. Utility Model Content

[0004] The utility model aims to solve the problem that the existing breast CT cannot locate and completely sink the breast of the patient, thus affecting the effect of photographing and examining the main breast and accessory breast.

[0005] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0006] A positioning bell for breast CT, including a scanning bed, for supporting the human body;

[0007] A bell housing body, wherein a photographing port is provided on the surface of the scanning bed, and the bell housing body is arranged inside the photographing port, and is used for sinking and positioning the main breast and the accessory breast to increase the photographing area of ​​the accessory breast;

[0008] The mounting assembly is arranged inside the shooting port and is used to fix the bell housing body at multiple angles to adapt to the shooting of different sides of the breast.

[0009] As a preferred technical solution of the present application, a positioning area is opened in the center of the bell jar body, and half of the contour of the positioning area gradually decreases along its axis toward one side, and the other half of the contour of the positioning area gradually increases along its axis toward the other side.

[0010] As a preferred technical solution of the present application, the mounting assembly includes a mounting plate arranged inside the shooting port and a plurality of fixing pins equidistantly arranged at the edge of the lower surface of the bell cover body, and a plurality of fixing holes corresponding to the fixing pins are opened at the edge of the upper surface of the mounting plate.

[0011] As a preferred technical solution of the present application, a positioning pin is provided at the edge of the lower surface of the mounting plate, and a plurality of pin holes matching with the positioning pin are opened on the inner wall of the shooting port.

[0012] As a preferred technical solution of the present application, the angle formed by the straight lines from two adjacent positioning pins to the center position of the bell jar body is 60°.

[0013] As a preferred technical solution of the present application, a support surface for placing a mounting plate is provided at the inner wall edge of the shooting port, and the pin hole is provided on the support surface.

[0014] As a preferred technical solution of the present application, the surface of the scanning bed is provided with a supporting surface which is gradually recessed from its edge toward the center and connected to the shooting port.

[0015] As a preferred technical solution of the present application, both sides of the bottom of the scanning bed are provided with a plurality of positioning buckles for installing the protective shell.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. When the patient undergoes breast photography and scanning, she lies on the scanning bed and places her breast in the positioning area on the inner side of the bell-shaped body, with the main body of the breast facing the larger end of the positioning area and the accessory breast facing the smaller end of the positioning area. This not only allows the patient's breast to be positioned by sinking, but also increases the area of ​​the accessory breast to be photographed, thereby improving the effect of breast photography and detection of the patient.

[0018] 2. Through the provided mounting assembly, the mounting plate, the bell housing body and the scanning bed can be separated from each other, and the mounting plate can be lifted to disengage the positioning pin at its bottom from the pin hole, so that the mounting plate is separated from the photographing port, and then the mounting plate and the bell housing body fixed thereon are rotated, and then another positioning pin at the bottom of the mounting plate is inserted into the pin hole on the inner wall of the photographing port, so as to facilitate the adjustment of the angle of the bell housing body and facilitate the positioning area inside the bell housing body to adapt to breast photographing examinations on different sides. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0020] Figure 2 This is a bottom view of the structure of the utility model;

[0021] Figure 3This is a split explosion structure diagram of the utility model;

[0022] Figure 4 This is a structural diagram of the bell housing body and the mounting plate connection of the utility model.

[0023] Indicated in the figure:

[0024] 10. Scanning bed; 110. Shooting port; 111. Pin hole; 20. Bell cover body; 210. Positioning area; 220. Fixing pin; 30. Mounting plate; 310. Fixing hole; 320. Positioning pin; 40. Supporting surface. DETAILED DESCRIPTION

[0025] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0026] like Figures 1 to 3 As shown, this embodiment proposes a positioning bell for breast CT, including a scanning bed 10, a bell body 20 and a mounting assembly. The scanning bed 10 is used to support the human body. The surface of the scanning bed 10 is provided with a shooting port 110 for shooting with a breast CT camera. The bell body 20 is arranged inside the shooting port 110, and is used for sinking and positioning the breast main body and the accessory breast to increase the shooting area of ​​the accessory breast. The mounting assembly is also arranged inside the shooting port 110, and is used to fix the bell body 20 at multiple angles to adapt to the shooting of different sides of the breast, and the bell body 20 is arranged inside the shooting port 110 through the mounting assembly;

[0027] When a patient needs to undergo a breast CT examination, she first lies on the scanning bed 10 with her breast located on the bell jar body 20. At this time, the breast is compressed and will sink to the inner side of the scanning bed 10 through the positioning area 210 on the surface of the bell jar body 20. At this time, both the main breast and the accessory breast of the patient will sink into the positioning area 210, thereby not only fixing the main breast and the accessory breast in the positioning area 210 on the inner side of the bell jar body 20, but also increasing the sinking area of ​​the accessory breast, thereby increasing the shooting and inspection area of ​​the accessory breast.

[0028] In order to facilitate the patient to lie comfortably on the scanning bed 10, a supporting surface 40 that is gradually recessed from its edge toward the center and connected to the imaging port 110 can be provided on the surface of the scanning bed 10; when the patient lies on the supporting surface 40 that is recessed downward on the surface of the scanning bed 10, the chest cavity that bends forward can better fit the surface of the scanning bed 10, which not only improves the patient's comfort but also makes it convenient to perform imaging examinations on the patient.

[0029] A breast CT imaging device will be installed inside the scanning bed 10. In order to shield the CT device inside the scanning bed 10, a plurality of positioning buckles may be provided on both sides of the bottom of the scanning bed 10. The positioning buckles facilitate the installation of the protective housing on the outside of the scanning bed 10, thereby providing a sealed protection for the CT device inside the scanning bed 10.

[0030] like Figure 1 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, a positioning area 210 is opened at the center of the bell housing body 20, and the contour of half of the positioning area 210 gradually decreases along its axis toward one side, and the contour of the other half of the positioning area 210 gradually increases along its axis toward the other side;

[0031] By providing an egg-shaped positioning area 210 with one end larger than the other end in the center of the bell-shaped body 20, when the patient's breast is placed in the positioning area 210, the patient's breast body is fixed by sinking at the large end of the positioning area 210, while the patient's accessory breast is positioned by sinking at the small end of the positioning area 210. Therefore, the patient's breast body and accessory breast can be stably fixed inside the positioning area 210, and the shooting area of ​​the breast body and accessory breast can be increased, thereby facilitating a full-scale shooting and examination of the patient's breast.

[0032] like Figure 3 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the mounting assembly includes a mounting plate 30 and a plurality of fixing pins 220, the plurality of fixing pins 220 are equidistantly arranged at the edge of the lower surface of the bell housing body 20, and a plurality of fixing holes 310 corresponding to the fixing pins 220 are opened at the edge of the upper surface of the mounting plate 30;

[0033] After aligning the fixing pin 220 on the lower surface of the bell jar body 20 with the fixing hole 310 on the upper surface of the mounting plate 30, the bell jar body 20 is then butted against the top of the mounting plate 30 so that the fixing pin 220 at the bottom of the bell jar body 20 is inserted into the fixing hole 310 at the top of the mounting plate 30, thereby quickly completing the installation and fixation of the bell jar body 20.

[0034] In order to facilitate the adjustment of the installation angle of the bell housing body 20, a positioning pin 320 is provided at the edge of the lower surface of the mounting plate 30, and a plurality of pin holes 111 matching the positioning pin 320 are opened on the inner wall of the photographing port 110; in addition, the angle formed by the straight lines from two adjacent fixing pins 220 to the center position of the bell housing body 20 is 60°; when it is necessary to photograph and examine different sides of the patient's breast, the mounting plate 30 with the bell housing body 20 installed can be lifted up first, and the positioning pin 320 at the bottom of the mounting plate 30 can be removed from the inner wall of the photographing port 110. The mounting plate 30 and the bell jar body 20 are pulled out of the pin hole 111, and then the mounting plate 30 and the bell jar body 20 are rotated 60°, so that the locating pin 320 at the bottom of the mounting plate 30 is rotated from the initial hole position of the shooting port 110 to the position of the next pin hole 111, and finally the mounting plate 30 connected with the bell jar body 20 is abutted against the shooting port 110 to allow the locating pin 320 to be inserted into another pin hole 111. At this time, the mounting angle of the bell jar body 20 can be changed, and then the breast position of the patient placed in the positioning area 210 of the bell jar body 20 can be changed, so as to facilitate the shooting and examination of the breasts on different sides of the patient.

[0035] In addition, a support surface for placing the mounting plate 30 is provided at the edge of the inner wall of the shooting port 110, and a pin hole 111 is provided on the support surface; placing the mounting plate 30 on the support surface of the inner wall of the shooting port 110 can provide temporary support for the mounting plate 30, making it easier for the mounting plate 30 to adjust its installation position, thereby further improving the installation stability between the mounting plate 30 and the shooting port 110.

[0036] It should be noted that the bell jar body 20 is made of silicone material; and the mounting plate 30 is made of ABS material or one of carbon fiber materials; the silicone material, ABS material and carbon fiber material can reduce the absorption rate of X-rays, thereby facilitating X-rays to pass through materials such as the bell jar body 20 and the mounting plate 30 to irradiate the patient's breast, thereby facilitating clear imaging of the patient's breast and improving the effect of breast examination.

[0037] The working principle of the utility model is as follows: when a patient needs to undergo a breast CT examination, the fixing pin 220 on the lower surface of the bell cover body 20 is first aligned with the fixing hole 310 on the upper surface of the mounting plate 30, and then the bell cover body 20 is abutted against the top of the mounting plate 30, so that the fixing pin 220 at the bottom of the bell cover body 20 is inserted into the fixing hole 310 at the top of the mounting plate 30, so that the installation and fixation of the bell cover body 20 can be quickly completed; then the patient can lie on the scanning bed 10, with the breast located at the bell cover body 20, and by providing an egg-shaped positioning area 210 with one end larger and the other end smaller in the center of the bell cover body 20, when the patient After the breast is placed in the positioning area 210, the main body of the patient's breast is fixed by sinking at the large end of the positioning area 210, and the patient's accessory breast is positioned by sinking at the small end of the positioning area 210. Therefore, the main body of the patient's breast and the accessory breast can be stably fixed inside the positioning area 210, and the shooting area of ​​the main body of the breast and the accessory breast can be improved. At this time, the patient's breast is photographed and examined by breast CT, so that not only the main body of the breast and the accessory breast can be fixed in the positioning area 210 on the inner side of the bell cover body 20, but also the sinking area of ​​the accessory breast can be improved, thereby improving the shooting and inspection area of ​​the accessory breast, and the operation is simple and convenient.

[0038] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A positioning bell jar for breast CT, characterized in that: include: A scanning bed (10) for supporting a human body; A bell housing body (20), wherein a photographing port (110) is provided on the surface of the scanning bed (10), and the bell housing body (20) is arranged inside the photographing port (110) and is used for sinking and positioning the main breast and the accessory breast to increase the photographing area of ​​the accessory breast; A mounting assembly is arranged inside the shooting port (110) and is used to fix the bell housing body (20) at multiple angles to accommodate shooting of breasts on different sides.

2. The positioning bell jar for breast CT according to claim 1, characterized in that: A positioning area (210) is provided at the center of the bell housing body (20), wherein half of the contour of the positioning area (210) gradually decreases along its axis toward one side, and the other half of the contour of the positioning area (210) gradually increases along its axis toward the other side.

3. The positioning bell jar for breast CT according to claim 1, characterized in that: The mounting assembly comprises a mounting plate (30) arranged inside the shooting port (110) and a plurality of fixing pins (220) arranged at equal distances at the edge of the lower surface of the bell housing body (20); a plurality of fixing holes (310) corresponding to the fixing pins (220) are provided at the edge of the upper surface of the mounting plate (30).

4. The positioning bell jar for breast CT according to claim 3, characterized in that: A positioning pin (320) is provided at the edge of the lower surface of the mounting plate (30), and a plurality of pin holes (111) matching with the positioning pin (320) are provided on the inner wall of the shooting port (110).

5. The positioning bell jar for breast CT according to claim 4, characterized in that: The angle formed by the straight lines from two adjacent positioning pins (320) to the center position of the bell housing body (20) is 60°.

6. The positioning bell jar for breast CT according to claim 4, characterized in that: A support surface for placing the mounting plate (30) is provided at the inner wall edge of the shooting port (110), and the pin hole (111) is provided on the support surface.

7. The positioning bell jar for breast CT according to claim 1, characterized in that: The surface of the scanning bed (10) is provided with a supporting surface (40) which is gradually recessed from its edge portion toward its center portion and is connected to the photographing port (110).

8. The positioning bell jar for breast CT according to claim 1, characterized in that: Both sides of the bottom of the scanning bed (10) are provided with a plurality of positioning buckles for mounting the protective shell.

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