Rotary structure and breast CT (Computed Tomography)

Abstract

The utility model provides a rotary structure and a mammary gland CT (Computed Tomography), which belong to the technical field of X-ray imaging, and comprise a base, a rotary support, a rotating shaft, a rotating shaft and a rotating shaft, the sliding seat is fixedly arranged on the base on the inner side of the slewing bearing along the axis direction of the slewing bearing; the sliding ring is rotationally arranged on the outer wall of the sliding seat in the axis direction of the sliding seat and used for transmitting photoelectric signals, the base comprises a bottom plate, supporting legs symmetrically arranged at the bottom of the bottom plate in a four-corner mode and a scanning bed framework arranged at the top of the bottom plate, and reinforcing ribs are further arranged at the bottom of the bottom plate in a diverging mode from the center of the bottom plate; when the drag chain structure works, the slewing bearing is used for driving the slewing platform to rotate, and photoelectric signals are transmitted through the slip ring, so that 360-degree rotation of a radiation source and a detector on the slewing platform is realized, and the problem that more clinical applications are limited due to the limited rotation range of a traditional drag chain structure is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to X ray imaging technical field, concretely relates to rotation structure and breast CT including above rotation structure. BACKGROUND

[0002] At present, in the breast X ray imaging technology, for example, molybdenum target imaging or breast special CT imaging process, X ray machine and X ray detector are used to carry out two-dimensional or three-dimensional imaging to breast structure. Under this structure, the breast of patient is placed in the cone beam emitted by X ray machine, and X ray detector is used to capture the X ray beam passing through the breast of patient.

[0003] When using CT to examine breast lesions, the patient is made to lie prone in the middle of the scanning bed, and the breast is naturally drooped and stretched to facilitate the display and contrast positioning of the lesion. When working, the source and detector in the rotation platform of the breast CT scan the breast part of the patient to collect X ray image information, and the source and detector can also rotate under the driving of the rotation platform to improve the comprehensiveness of X ray scanning. However, the existing technology usually uses a tow chain to realize the rotation of the rotation platform. Limited by the structural characteristics of the tow chain, the existing technology cannot realize the 360 continuous rotation of the rotation platform, that is, the rotation platform needs to be reversed and reset after rotation, so as to perform the next rotation scanning. In this way, it brings many inconveniences to the scanning process, and more clinical application modes are limited. UTILITY MODEL CONTENT

[0004] The utility model provides rotation structure and breast CT including this rotation structure, this rotation structure passes through the cooperation of rotation support and slip ring, can realize the 360 rotation of rotation platform and the source and detector on it, so as to provide more clinical application.

[0005] To solve the above technical problem, the utility model adopts the following technical scheme:

[0006] Rotation structure, including base, still including:

[0007] Rotation support, the rotation support is fixed on the base;

[0008] Slide base, the slide base is fixed on the base inside the rotation support along the rotation support axis direction; and

[0009] Slip ring, the slip ring is rotationally arranged on the outer wall of the slide base along the axis direction of the slide base, and is used to transmit photoelectric signal.

[0010] Preferably, the base includes a bottom plate, legs symmetrically arranged at the bottom of the bottom plate, and a scanning bed framework arranged at the top of the bottom plate.

[0011] Preferably, the bottom of the bottom plate is further provided with reinforcing ribs which are arranged to diverge outwardly from the center position thereof.

[0012] Preferably, the bottom plate is further provided with a plurality of through holes.

[0013] Preferably, the slewing bearing comprises a mounting seat arranged on the top of the bottom plate and a slewing part rotatably arranged on the top of the mounting seat.

[0014] Preferably, the slide base comprises a mounting plate fixedly arranged on the top of the bottom plate and a connecting part arranged on the top of the mounting plate and used for cooperating with the slip ring.

[0015] Preferably, the slip ring comprises a ring body arranged on the outer wall of the connecting part and a rotating ring rotatably arranged on the outer wall of the ring body.

[0016] Preferably, the top of the rotating ring is provided with a terminal lug.

[0017] A breast CT comprising the aforementioned slewing structure, wherein the scanning bed of the breast CT is arranged on the base.

[0018] According to the above technical scheme, the utility model has the following beneficial effects:

[0019] 1. In the utility model, the base is used to support the weight of equipment and provide mounting interfaces, and the slewing platform in the breast CT is arranged on the slewing bearing. Since the slewing bearing can realize 360° rotation, the slewing platform can realize 360° rotation through the slewing bearing, and the slip ring is rotatably arranged on the top of the base through the slide base. Thus, in operation, the slewing platform is driven to rotate by the slewing bearing, and the photoelectric signal is transmitted through the slip ring, so as to realize 360° rotation of the radiation source and the detector on the slewing platform, thereby solving the problem of limited rotation range of the traditional drag chain structure and the problem of limited clinical application.

[0020] 2. In the utility model, the base comprises a bottom plate, supporting legs and reinforcing ribs. The supporting legs are arranged symmetrically at the bottom of the bottom plate, and the reinforcing ribs are arranged to diverge outwardly from the center position of the bottom plate. In this way, the supporting structure of the bottom of the base can be formed through the supporting legs and the reinforcing ribs, so as to avoid the adverse effect of the slewing platform on the base stability when the slewing platform rotates, and improve the accuracy of X-ray photography. In addition, the scanning bed framework is arranged on the top of the bottom plate, which facilitates the installation and placement of the scanning bed used by the breast CT. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the utility model;

[0022] Figure 2 It is a bottom view of the utility model; Figure 1 ​

[0023] Figure 3 Structure diagram of rotary bearing;

[0024] Figure 4 Structure diagram of sliding seat and sliding ring connection;

[0025] Figure 5 Structure diagram of sliding seat.

[0026] In the figure: 10, base; 110, bottom plate; 120, support leg; 130, scanning bed framework; 140, reinforcing rib; 150, through hole; 20, rotary bearing; 210, mounting seat; 220, rotary part; 30, sliding seat; 310, mounting plate; 320, connecting part; 40, sliding ring; 410, ring body; 420, rotating ring; 430, terminal. DETAILED DESCRIPTION

[0027] The preferred embodiment of the utility model will be described in detail below with reference to the accompanying drawings.

[0028] To achieve the above object, the embodiment of the utility model adopts the following technical scheme: refer to Figure 1 , Figure 2 , rotary structure, including base 10, further including rotary bearing 20, sliding seat 30 and sliding ring 40, rotary bearing 20 is fixedly arranged on base 10, sliding seat 30 is distributed along the axial direction of rotary bearing 20, and the sliding seat 30 is fixedly arranged on the inside base 10 of rotary bearing 20, sliding ring 40 is distributed along the axial direction of sliding seat 30, and sliding ring 40 is rotatably arranged on the outer wall of sliding seat 30, and the sliding ring 40 is used to transmit photoelectric signal, when using, the base is used to support the weight of equipment and provide mounting interface, the rotary platform in breast CT is arranged on the rotary bearing, since the rotary bearing can realize 360 ° rotation, thus the 360 ° rotation of the rotary platform can be realized through the rotary bearing, the sliding ring is rotatably arranged on the top of the base through the sliding seat, so that when working, the rotary platform is driven to rotate by the rotary bearing, and photoelectric signal is transmitted through the sliding ring, so as to realize the 360 ° rotation of the radiation source and the detector on the rotary platform, thereby solving the problems of limited rotation range and more limited clinical application of the traditional drag chain structure.

[0029] refer to Figure 1 , Figure 2, as the preferred technical solution of the embodiment, the base 10 comprises a bottom plate 110, a support 120 and a scanning bed framework 130, the support 120 is symmetrically arranged at the bottom of the bottom plate 110, and the scanning bed framework 130 is arranged at the top of the bottom plate 110, which is used to install the scanning bed, and in order to improve the support stability of the base, reinforcing ribs 140 are arranged outward from the center of the bottom plate 110, and in use, the bottom plate, the support and the reinforcing ribs constitute the main support structure to support the rotary support and the rotary platform.

[0030] Further, a plurality of through holes 150 are formed in the bottom plate 110, which can dissipate heat to facilitate the heat generated by the rotary support and the device thereon to be discharged outward through the through holes.

[0031] Referring to Figure 3 , as the preferred technical solution of the embodiment, the rotary support 20 comprises a mounting seat 210 and a rotary part 220, the mounting seat 210 is arranged at the top of the bottom plate 110, and the rotary part 220 is rotatably arranged at the top of the mounting seat 210, in use, the mounting seat is used to support and install the rotary part, and the rotary part is rotatably arranged on the bottom plate through the mounting seat, so that the rotary platform can realize 360° rotation by the rotation of the rotary part.

[0032] Further, referring to Figure 5 , the sliding seat 30 comprises a mounting plate 310 and a connecting part 320, the mounting plate 310 is fixedly arranged at the top of the bottom plate 110, and the connecting part 320 is arranged at the top of the mounting plate 310, and the connecting part 320 is used to cooperate with the sliding ring 40 for installation, in use, the mounting plate is fixedly connected at the top of the bottom plate by means of bolts, screws and other fasteners, and then the connecting part is fixedly arranged at the top of the mounting plate, so as to facilitate the subsequent assembly of the sliding ring.

[0033] Further, referring to Figure 4 , the sliding ring 40 comprises a ring body 410 and a rotating ring 420, the ring body 410 is fixedly sleeved on the outer wall of the connecting part 320, and the rotating ring 420 is rotatably arranged on the outer wall of the ring body 410, the ring body plays a basic stabilizing role, and the rotating ring can rotate relative to the connecting part during rotation relative to the ring body.

[0034] Further, the top of the rotating ring 420 is provided with a terminal 430, which is used to connect with external electrical devices, so as to realize the effect of optical and electrical signal transmission of the sliding ring.

[0035] In use, the bottom plate 110, the supporting legs 120 and the reinforcing ribs 140 in the base 10 play a main supporting effect, the rotary platform in the breast CT is arranged on the rotary bearing 20, since the rotary bearing 20 can drive the rotary platform and the radiation source and the detector thereon to rotate by 360°, therefore, omnidirectional scanning and photographing can be realized, meanwhile, the slip ring 40 located on the inner side of the rotary bearing can be driven by the sliding seat 30, so that photoelectric signal transmission through the slip ring 40 can be realized.

[0036] The application further provides a breast CT comprising the rotary structure described above, wherein the scanning bed of the breast CT is arranged on the base 10, and specifically, the rotary platform is arranged on the rotary bearing, so that when the rotary platform drives the radiation source and the detector to rotate through the rotary bearing, 360° scanning and photographing can be realized, therefore, the comprehensiveness of the breast CT in X-ray photographing of a patient can be improved, and the problem of limited rotary range of the traditional rotary structure of a drag chain type and the problem of limitation of clinical application can be solved.

[0037] The above-described embodiments merely describe the preferred embodiments of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the claims of the present application.

Claims

1. A rotating structure, comprising a base (10), characterized in that, Also includes: A slewing bearing (20) is fixed on a base (10); A slide (30), which is fixedly mounted on a base (10) inside the slewing bearing (20) along the axial direction of the slewing bearing (20); and Slip ring (40), which is rotatably disposed on the outer wall of slide (30) along the axis of slide (30) and is used to transmit photoelectric signals.

2. The rotary structure according to claim 1, characterized in that, The base (10) includes a base plate (110), legs (120) arranged symmetrically at the bottom of the base plate (110) and a scanning bed frame (130) arranged on the top of the base plate (110).

3. The rotary structure according to claim 2, characterized in that, The bottom of the base plate (110) is also provided with reinforcing ribs (140) that radiate outward from its center.

4. The rotary structure according to claim 2, characterized in that, The base plate (110) is also provided with several through holes (150).

5. The rotary structure according to claim 4, characterized in that, The slewing bearing (20) includes a mounting base (210) disposed on the top of the base plate (110) and a slewing part (220) rotatably disposed on the top of the mounting base (210).

6. The rotary structure according to claim 5, characterized in that, The slide (30) includes a mounting plate (310) fixed on the top of the base plate (110) and a connecting part (320) disposed on the top of the mounting plate (310) for cooperating with the slip ring (40).

7. The rotary structure according to claim 6, characterized in that, The slip ring (40) includes a ring body (410) disposed on the outer wall of the connecting part (320) and a rotating ring (420) rotatably disposed on the outer wall of the ring body (410).

8. The rotary structure according to claim 7, characterized in that, The top of the rotating ring (420) is provided with a connecting piece (430).

9. A breast CT scanner, characterized in that, The breast CT scanner, including the rotary structure described in any one of claims 1-8, has its scanning bed mounted on a base (10).

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