A prone position imaging device for breast CT and MRI examination

Abstract

The application provides a prone position imaging device for breast CT and MRI examination, and relates to the technical field of medical instruments, which comprises a support assembly for supporting a patient in a prone position, the support assembly comprises a support plate and a support frame integrally arranged below the support plate, two through holes for naturally falling breasts are formed in the support plate, and the support frame is provided with a cavity below the through holes; a buckle assembly is installed on the support frame and located in the cavity, and is used for hanging a general MRI coil on the support frame and enabling the general MRI coil to be located below the through holes. The application has the effects of high universality and excellent imaging quality.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to a prone imaging device that can be used for breast CT and MRI examinations. Background Technology

[0002] Breast cancer is the most common malignant tumor among women worldwide. Clinically, commonly used diagnostic methods for breast cancer include mammography, ultrasound, computed tomography (CT), and magnetic resonance imaging (MRI), which are used for early diagnosis, tumor staging and classification, treatment evaluation, and prognosis assessment.

[0003] The prone position is the optimal position for breast CT and MRI examinations, as the natural suspension of both breasts provides a clearer view of the internal structures. However, current clinical CT equipment is not equipped with a dedicated breast positioning device; instead, ordinary wooden supports are used. These wooden supports are assembled with screws, which can produce X-ray artifacts during use. Meanwhile, with the advent of next-generation CT scanners such as spectral CT and photon counting CT, their higher spatial resolution and multi-parameter imaging capabilities not only compensate for the low resolution and high radiation dose of traditional CT for breast soft tissue but also significantly improve the early detection of breast lesions and the differentiation between benign and malignant lesions. However, these devices may be more sensitive to artifacts produced by the screws in the wooden supports.

[0004] MRI coils are the core component of magnetic resonance imaging systems, used to transmit radio frequency pulses and receive magnetic resonance signals generated by human tissue. Breast-specific coils are a highly customized sub-type of MRI coil, making them expensive. Equipping an MRI diagnostic instrument with both breast coils and general-purpose MRI coils would significantly increase the purchase and operating costs of the equipment. Furthermore, existing wooden support structures cannot be adjusted and stably installed with general-purpose MRI coils to meet specific needs. Utility Model Content

[0005] In order to overcome the technical problems described in the prior art, this application provides a prone imaging device that can be used for breast CT and MRI examinations.

[0006] The prone imaging device for breast CT and MRI examinations provided in this application adopts the following technical solution: A prone imaging device for use in breast CT and MRI examinations, comprising: A support assembly for patients to perform prone support includes a support plate and an integrally formed support frame disposed below the support plate. The support plate has two through holes for the breasts to hang naturally, and the support frame is hollow below the through holes. The snap-fit ​​assembly, mounted on the support frame and located within the cavity, is used to attach a universal MRI coil to the support frame and position the universal MRI coil below the through-hole.

[0007] Furthermore, the support plate is provided with a jaw and facial groove.

[0008] Furthermore, the support plate is recessed downward at the through hole, and the surface of the support plate is recessed from both sides towards the middle.

[0009] Furthermore, the latching assembly is provided in two sets, with the two sets of latching assemblies located on both sides of the through hole. The latching assembly includes a mounting plate and a hook, with the hook opening facing downwards. The universal MRI coil is detachably suspended on the support frame via the hook.

[0010] Furthermore, the inner wall of the hook is provided with an anti-slip pad to prevent the universal MRI coil from slipping.

[0011] Furthermore, a raised strip is provided on the inner wall of the bottom of the hook.

[0012] Furthermore, the hook is height-adjustable and mounted on a mounting plate, which is equipped with a locking element for locking the hook.

[0013] Furthermore, the mounting plate is provided with vertically distributed grooves, and a slider is fixed on the hook. With the slider connected to the groove, the hook can be stably slidably connected to the mounting plate.

[0014] Furthermore, the locking component is configured as a positioning pin, and an insertion hole is provided on the side of the hook that slides and fits against the mounting plate. Multiple positioning holes are provided on the mounting plate, and the multiple positioning holes are spaced apart along the height direction of the mounting plate. The positioning pin passes through the insertion hole and is movably inserted into the positioning hole.

[0015] Furthermore, the support components, snap-fit ​​components, and positioning pins are all made of non-metallic materials.

[0016] In summary, this application includes at least one of the following beneficial technical effects: 1. This device can be used not only in CT scans, but also with a universal MRI coil, thus replacing the breast-specific coil for breast MRI scans; 2. This device is manufactured from a single piece of non-metallic material, has high X-ray transmittance, produces no artifacts in chest (including breast) CT scan images, and has excellent imaging quality; 3. The height of the hook in this device is adjustable and mounted on the mounting plate. The height of the hook can be adjusted according to the patient's actual situation, thereby adjusting the position of the universal MRI coil on the hook, so as to achieve accurate diagnosis and treatment of breast diseases. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a top view of the overall structure of the embodiment of this application.

[0019] Figure 2 This is a schematic diagram of the overall structure in the embodiments of this application.

[0020] Figure 3 This is a front view of the overall structure in the embodiments of this application.

[0021] Figure 4 This is a right view of the overall structure in the embodiment of this application.

[0022] Figure 5 This is an exploded view of the snap-fit ​​assembly in an embodiment of this application.

[0023] Reference numerals: 1. Support plate; 2. Support frame; 3. Through hole; 4. Cavity; 5. Snap-fit ​​assembly; 51. Mounting plate; 52. Hook; 6. Maxillofacial groove; 7. Raised strip; 8. Anti-slip pad; 9. Locking element; 10. Slide groove; 11. Slider; 12. Insertion hole; 13. Positioning hole. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0025] This application discloses a prone imaging device that can be used for breast CT and MRI examinations. (Refer to...) Figure 1 , Figure 2 , Figure 3 and Figure 4A prone imaging device for breast CT and MRI examinations includes a support assembly for patient prone support and a snap-fit ​​assembly 5 for mounting a universal MRI coil. The support assembly includes a support plate 1 and a support frame 2 integrally formed below the support plate 1. The support plate 1 and support frame 2 are made of one or more blends of polylactic acid and polyetheretherketone, transparent ceramic, and light-cured resin, wherein the density range of the blend is... Mass absorption coefficient Transmittance > 95%, density uniformity The scattering ratio is <3%. This mixed material is non-magnetic and has certain antibacterial properties with an antibacterial rate of >95%. The support plate 1 and support frame 2 are both printed using FDM 3D technology to create the basic structure, and then the outer surface is printed using photopolymerization 3D printing technology.

[0026] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 The support plate 1 has a curved surface on the side closest to the human body. It has two through holes 3 for the breasts to hang naturally. The support plate 1 is concave at the through holes 3, and its surface curves from both sides towards the center, conforming to the curvature of the human ribcage. The support plate 1 also has a jaw and facial groove 6, ensuring that the patient's mouth and nose are not obstructed when lying prone on it. Additionally, the side of the support plate 1 closest to the human body is padded to reduce discomfort caused by pressure during prone positioning, improving patient comfort. When using the support assembly for a CT scan, the assembly is first placed on and secured to the CT scanner; then, the patient lies prone on the support plate 1, allowing the breasts to hang fully through the through holes 3; finally, spectral CT or other advanced CT techniques are used for imaging.

[0027] Reference Figure 2 , Figure 3 and Figure 5 The support frame 2 has a cavity 4 below the through hole 3, and the snap-fit ​​assembly 5 is installed on the support frame 2 and located inside the cavity 4. When the support assembly is needed to perform an MRI examination on a patient, the support assembly is first placed on the MRI scanner and fixed; then the patient lies prone on the support plate 1, so that the breast is fully lowered through the through hole 3; next, the universal MRI coil is hooked onto the support frame 2 through the snap-fit ​​assembly 5, so that the universal MRI coil is located below the through hole 3, at which point the universal MRI coil is fixed around the breast; finally, the MRI scanner is turned on, and the MRI scanner can perform imaging diagnosis of the lowered breast with the universal MRI coil.

[0028] To ensure that the universal MRI coil can be stably suspended on support frame 2, refer to Figure 2 , Figure 3 and Figure 5The latching assembly 5 is provided in two sets, with the two sets of latching assemblies 5 located on both sides of the through hole 3. Each set of latching assemblies 5 has multiple latching assemblies, and the multiple latching assemblies 5 in the same set are spaced apart along the width direction of the support plate 1. The latching assembly 5 includes a mounting plate 51 and a hook 52. Both the mounting plate 51 and the hook 52 are made of non-metallic materials, such as plastic. The mounting plate 51 is vertically glued and fixed to the support frame 2. The hook 52 is set as an inverted U-shape, with the opening of the hook 52 facing downward. One side of the hook 52 is installed on the mounting plate 51. The nursing staff can quickly and detachably suspend the universal MRI coil on the support frame 2 through the inverted U-shaped hook 52. To prevent the universal MRI coil from falling off the opening of the hook 52 under the action of gravity, a raised strip 7 is provided on the bottom of the inner wall of the hook 52 away from the mounting plate 51. At the same time, an anti-slip pad 8 is also attached to the inner wall of the hook 52, so that the universal MRI coil is not easy to slip off the hook 52 under the combined action of the anti-slip pad 8 and the raised strip 7.

[0029] Considering the varying breast sizes among patients, the height to which their breasts sag through the opening 3 differs when they lie prone on support plate 1. Therefore, it is necessary to adjust the height at which the universal MRI coil suspends below support plate 1 according to the individual patient's condition. (Refer to...) Figure 5 The hook 52 is height-adjustable and mounted on the mounting plate 51. The mounting plate 51 is provided with a locking element 9 for locking the hook 52. Specifically, the mounting plate 51 has vertically distributed T-shaped grooves 10, with the top of the grooves 10 being open and the bottom being closed. Slider blocks 11 are fixed on both sides of the bottom edge of the hook 52 near the mounting plate 51. With the sliders 11 connected to the grooves 10, the hook 52 can be stably slidably connected to the mounting plate 51. The locking element 9 is a positioning pin made of a non-metallic material, such as plastic. Two insertion holes 12 are provided through the side of the hook 52 that slides and fits against the mounting plate 51. The two insertion holes 12 are spaced apart along the width direction of the hook 52. The mounting plate 51 has two sets of positioning holes 13, which are spaced apart along the width direction of the mounting plate 51, and multiple positioning holes 13 in the same set are spaced apart along the height direction of the mounting plate 51. Depending on the actual situation, the hook 52 can be moved up and down on the mounting plate 51 to adjust its height. Then, a positioning pin is inserted through the insertion hole 12 and into the positioning hole 13, so that the hook 52 is stably installed below the support plate 1. Finally, the universal MRI coil is stably suspended below the support plate 1 via the hook 52.

[0030] The implementation principle of a prone imaging device for breast CT and MRI examinations according to an embodiment of this application is as follows: when a support component is needed to perform a CT examination on a patient, the support component is first placed on the CT machine and fixed; then the patient is allowed to lie prone on the support plate 1, so that the breast is fully lowered through the through hole 3; finally, spectral CT or other advanced CT technologies are used for imaging.

[0031] When a support assembly is needed to perform an MRI examination on a patient, first place and fix the support assembly on the MRI scanner; then have the patient lie prone on the support plate 1, allowing the breast to droop fully through the through-hole 3; next, adjust the height of the hook 52 according to the condition of the patient's breast, and use the positioning pin to lock the hook 52 onto the mounting plate 51; then, hang the universal MRI coil on the support frame 2 through the hook 52, so that the universal MRI coil is located below the through-hole 3, at which point the universal MRI coil is fixed around the breast; finally, start the MRI scanner, which can then perform imaging diagnosis of the drooping breast with the universal MRI coil.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A prone imaging device for use in breast CT and MRI examinations, characterized in that, include A support assembly for patients to perform prone support includes a support plate and an integrally formed support frame disposed below the support plate. The support plate has two through holes for the breasts to hang naturally, and the support frame is hollow below the through holes. The snap-fit ​​assembly, mounted on the support frame and located within the cavity, is used to attach a universal MRI coil to the support frame and position the universal MRI coil below the through-hole.

2. The prone imaging device for breast CT and MRI examinations according to claim 1, characterized in that, The support plate has a jaw and face groove.

3. The prone imaging device for breast CT and MRI examinations according to claim 1, characterized in that, The support plate is recessed downward at the through hole, and the surface of the support plate is recessed from both sides towards the middle.

4. A prone imaging device for breast CT and MRI examinations according to claim 1, characterized in that, The latching assembly is provided in two sets, with the two sets of latching assemblies located on both sides of the through hole. The latching assembly includes a mounting plate and a hook, with the hook opening facing downwards. The universal MRI coil is detachably suspended on the support frame via the hook.

5. A prone imaging device for breast CT and MRI examinations according to claim 4, characterized in that, The hook has an anti-slip pad on its inner wall to prevent the universal MRI coil from slipping.

6. A prone imaging device for breast CT and MRI examinations according to claim 4, characterized in that, The hook has a raised strip on its bottom inner wall.

7. A prone imaging device for breast CT and MRI examinations according to claim 4, characterized in that, The hook is height-adjustable and mounted on a mounting plate, which is equipped with a locking device for locking the hook.

8. A prone imaging device for breast CT and MRI examinations according to claim 7, characterized in that, The mounting plate has vertically distributed grooves, and a slider is fixed on the hook. With the slider connected to the groove, the hook can be stably slidably connected to the mounting plate.

9. A prone imaging device for breast CT and MRI examinations according to claim 8, characterized in that, The locking component is a positioning pin. A through hole is provided on the side of the hook that slides and fits against the mounting plate. Multiple positioning holes are provided on the mounting plate. The multiple positioning holes are spaced apart along the height direction of the mounting plate. The positioning pin passes through the through hole and is movably inserted into the positioning hole.

10. A prone imaging device for breast CT and MRI examinations according to claim 1, characterized in that, The support components, snap-fit ​​components, and positioning pins are all made of non-metallic materials.

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