A slip ring assembly and medical system

Abstract

Embodiments of the present specification provide a slip ring assembly and a medical system, the slip ring assembly comprising a first slip ring, a second slip ring, and a first data transmission assembly, the first data transmission assembly being signal connected with at least one of the first slip ring and the second slip ring.

Description

Technical Field

[0001] This application relates to the field of medical devices, and in particular to a slip ring assembly and a medical system. Background Technology

[0002] Medical systems may include imaging equipment for disease diagnosis, radiotherapy equipment, racks, slip rings, and other devices. Slip rings are data transmission and power supply devices mounted on the rack of a medical system. They are used to provide power, transmit control signals, and transmit operational data to the devices (such as imaging and / or treatment equipment) on the rack during rack rotation. When a medical system is used by multiple devices (such as imaging and treatment equipment), the placement of slip rings may lead to complex cabling or data loss issues. Summary of the Invention

[0003] This specification provides a slip ring assembly, which includes a first slip ring, a second slip ring, and a first data transmission component. The first data transmission component is signal-connected to at least one of the first slip ring and the second slip ring.

[0004] In some embodiments, both the first slip ring and the second slip ring are signal-connected to the first data transmission component.

[0005] In some embodiments, the slip ring assembly further includes a second data transmission component, wherein the first data transmission component is connected to the first slip ring signal, and the second data transmission component is connected to the second slip ring signal.

[0006] One of the first slip ring and the first data transmission component is arranged around the other; and / or, one of the second slip ring and the first data transmission component is arranged around the other.

[0007] In some embodiments, the first slip ring and the second slip ring are coplanar.

[0008] In some embodiments, the first data transmission component is disposed between the first slip ring and the second slip ring.

[0009] The slip ring assembly according to this application has a simple structure, yet it can efficiently and stably provide power and transmit data. The design of a dual slip ring assembly in conjunction with a data transmission component not only avoids the complexity of traditional winding frames and cables, but also significantly reduces the axial thickness of medical systems using slip ring assemblies. Simultaneously, the dual slip ring design increases the number of signal transmission channels, enabling the transmission of larger amounts of data and reducing the likelihood of data loss.

[0010] This specification also provides a medical system comprising a first frame, a second frame, a fixed frame, and a slip ring assembly as described in any of the above technical solutions; the first frame is used to mount at least a portion of a first imaging assembly or at least a portion of a first radiotherapy assembly, the second frame is used to mount at least a portion of a second imaging assembly and at least a portion of a second treatment assembly, wherein a first slip ring of the slip ring assembly is disposed on the first frame and is signal-connected to the first imaging assembly or the first radiotherapy assembly; a second slip ring of the slip ring assembly is disposed on the second frame and is signal-connected to the second imaging assembly or the second treatment assembly.

[0011] In some embodiments, the first data transmission component is disposed on the fixed rack; the second rack has a receiving space, at least a portion of the first rack is located within the receiving space, and the first rack is rotatably connected to the second rack; and the second rack is rotatably connected to the fixed rack.

[0012] In some embodiments, the first frame has a first axis about which it rotates, and the second frame has a second axis about which it rotates, wherein the first axis intersects or is parallel to the second axis.

[0013] In some embodiments, the medical system further includes a locking mechanism disposed between the first frame and the second frame, or the locking mechanism is disposed on the first frame and / or the second frame.

[0014] According to the medical system of this application, a first frame (for mounting a first imaging component or a first treatment component) is rotatably connected to a second frame (for mounting a second imaging component or a second treatment component), and the second frame is rotatably connected to a fixed frame. The arrangement of the frames allows for the combined arrangement of two imaging components, two treatment components, or both. The dual slip ring design not only avoids the complexity of traditional cable winding frames and cables but also significantly reduces the axial thickness of the entire medical system while increasing the number of signal transmission channels, enabling the transmission of a larger amount of data with less risk of data loss. Furthermore, this medical system can perform imaging (or radiotherapy) of the treatment area by rotating the first frame relative to the second frame, and can also perform radiotherapy (or imaging) by rotating the second frame relative to the fixed frame. Attached Figure Description

[0015] This application will be further described by way of exemplary embodiments, which will be described in detail with reference to the accompanying drawings. These embodiments are not limiting; in these embodiments, the same reference numerals denote the same structures, wherein:

[0016] Figure 1 This is a schematic diagram of the slip ring assembly shown in some embodiments of this application;

[0017] Figure 2 This is a three-dimensional structural schematic diagram of a medical system according to some embodiments of this application;

[0018] Figure 3 This is a cross-sectional view of a medical system according to some embodiments of this application;

[0019] Figure 4 These are schematic diagrams of the structure of a medical system according to some embodiments of this application;

[0020] Figure 5 This is a cross-sectional view of a medical system according to other embodiments of this application.

[0021] In the diagram, 100 represents the medical system, 110 represents the first rack, 120 represents the second rack, 130 represents the fixed rack, 131 represents the fixing mechanism, 140 represents the first slip ring, 150 represents the second slip ring, 161 represents the first data transmission component, 162 represents the second data transmission component, 164 represents the carbon brush assembly, 170 represents the first bearing, 180 represents the second bearing, and 190 represents the locking mechanism. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0023] Conversely, this application covers any substitutions, modifications, equivalent methods, and schemes made within the spirit and scope of this application as defined in the claims. Furthermore, to provide the public with a better understanding of this application, certain specific details are described in detail below. However, this application can be fully understood by those skilled in the art even without these detailed descriptions.

[0024] This application relates to a slip ring assembly and a medical system. The slip ring assembly employs a dual slip ring design and is configured with a first data transmission component that is signal-connected to the first slip ring and / or the second slip ring. The first data transmission component can cooperate with the first slip ring and / or the second slip ring to provide power, transmit control signals, and transmit operational data to devices on the rack of the medical system using the slip ring assembly. The slip ring assembly of this application has a simple structure, yet it can efficiently and stably provide power and transmit data. The dual slip ring design with the data transmission component not only avoids the complexity of using traditional winding frames and cables, but also significantly reduces the axial thickness of the medical system using the slip ring assembly. Simultaneously, the dual slip ring design increases the number of signal transmission channels, enabling the transmission of a larger amount of data, and reducing the likelihood of data loss. This slip ring assembly can be used in a medical system that may include at least two imaging devices used in conjunction, at least two treatment devices used in conjunction, or both imaging and treatment devices used in conjunction.

[0025] Figure 1 This is a structural schematic diagram of a slip ring assembly according to some embodiments of this application. For example... Figure 1 As shown, the slip ring assembly includes a first slip ring 140, a second slip ring 150, and a first data transmission component 161. The first data transmission component 161 is signal-connected to the first slip ring 140 and / or the second slip ring 150. The first slip ring 140 and the second slip ring 150 are conductive slip rings. Conductive slip rings are devices used in electrical equipment to achieve current and signal transmission between two relatively rotating components. The first slip ring 140 and / or the second slip ring 150 can interact with the first data transmission component 161. The first slip ring 140 can be used to signal-connect with a device on the rack of the medical system to provide power and data transmission for that device; the second slip ring 150 can be used to signal-connect with another device on the rack of the medical system to provide power and data transmission for that device. Under the combined action of the first slip ring 140 and / or the second slip ring 150 and the first data transmission component 161, power can be supplied and data can be transmitted to devices on the rack of the medical system using the slip ring assembly, thereby enabling operations such as imaging or treatment of the treatment site.

[0026] In some embodiments, the first data transmission component 161 may be connected only to the first slip ring 140. In some embodiments, the first data transmission component 161 may be connected only to the second slip ring 150. In some embodiments, both the first slip ring 140 and the second slip ring 150 may be connected to the first data transmission component 161, as detailed below. Figure 3And related descriptions. In some embodiments, the slip ring assembly may further include a second data transmission component 162, wherein the first data transmission component 161 is signal-connected to the first slip ring 140, and the second data transmission component 162 is signal-connected to the second slip ring 150, as detailed below. Figure 5 And related explanations.

[0027] In some embodiments, the first data transmission component 161 includes a first stationary ring. In some embodiments, the first data transmission component 161 may further include at least one first signal generating mechanism and at least one first signal receiving mechanism, which may both be disposed on the first stationary ring. In some embodiments, the second data transmission component 162 includes a second stationary ring. In some embodiments, the second data transmission component 162 may further include at least one second signal generating mechanism and at least one second signal receiving mechanism, which may both be disposed on the second stationary ring. In some embodiments, at least two of the first slip ring 140, the second slip ring 150, and the first stationary ring are arranged in a surrounding configuration. For example, the first slip ring 140 may surround the first stationary ring; or, for example, the stationary ring may surround the first slip ring 140; or, for example, the second slip ring 150 may surround the first stationary ring; or, for example, the first stationary ring may surround the second slip ring 150; or, for example, the first slip ring 140 may surround the second slip ring 150; or, for example, the second slip ring 150 may surround the first slip ring 140.

[0028] In some embodiments, when at least two of the first slip ring 140, the second slip ring 150, and the first stationary ring are arranged in a surrounding configuration, the first slip ring 140, the second slip ring 150, and the first stationary ring may be arranged at an axial distance from each other along the first slip ring 140 (or the second slip ring 150). For example, the first slip ring 140 and the second slip ring 150 may be arranged at an axial distance from each other along the first slip ring 140; or, for example, the first slip ring 140 and the first stationary ring may be arranged at an axial distance from each other along the first slip ring 140; or, for example, the second slip ring 150 and the first stationary ring may be arranged at an axial distance from each other along the second slip ring 150.

[0029] In some embodiments, when at least two of the first slip ring 140, the second slip ring 150, and the first stationary ring are arranged in a surrounding configuration, the first slip ring 140 and the second slip ring 150 may be coplanar, as will be further described below. In some embodiments, the first data transmission component 161 may be disposed between the first slip ring 140 and the second slip ring 150. A detailed description of the arrangement of the slip ring components will be further elaborated in this specification using the example of slip ring components arranged in a medical system; please refer to the relevant content below. In some embodiments, the first slip ring 140 is rotatable relative to the second slip ring 150, so that the first slip ring 140 and the second slip ring 150 respectively provide power supply and / or data transmission for devices in relative motion (e.g., rotation) in the medical system. For example, the first slip ring 140 and the second slip ring 150 may be respectively disposed on two racks capable of relative rotation (e.g., the first rack 110 and the second rack 120 described below), as will be described in the relevant description below.

[0030] The medical system can be used to administer radiotherapy to patients with malignant tumors. In some embodiments, the medical system may include a treatment component, a gantry, a data transmission system (such as a slip ring assembly, carbon brush, data transmission assembly, etc.), and a control component. The control component can control the radiotherapy operation of the treatment component and the movement of the gantry. The treatment component of the medical system can be used in conjunction with an external imaging component, or multiple (e.g., two) treatment components can be used in combination. For example, the imaging component can capture images of the treatment site before and / or during radiotherapy by the treatment component. The imaging component and the treatment component are structurally independent; for example, the imaging component and the treatment component can be arranged side by side, one in front of the other. Before and / or during radiotherapy, the patient can lie on a bed built into the treatment component, which can be moved back and forth to move the patient between the imaging area of ​​the imaging component and the radiotherapy area of ​​the treatment component.

[0031] This application relates to a medical system in which a first rack (for mounting a first imaging component or a first treatment component) is rotatably connected to a second rack (for mounting a second imaging component or a second treatment component), and the second rack is rotatably connected to a fixed rack. The rack arrangement allows for the combined arrangement of two imaging components, two treatment components, or both. The medical system uses a first slip ring to provide power to the first imaging component or first treatment component on the first rack, and to enable data transmission between the medical system's control device and the first imaging component or first treatment component. Similarly, the medical system uses a second slip ring to provide power to the second imaging component or second treatment component on the second rack, and to enable data transmission between the medical system's control device and the second imaging component or second treatment component. This dual slip ring design not only avoids the complexity of traditional cable winding frames and cables, but also significantly reduces the axial thickness of the entire medical system while increasing the number of signal transmission channels, resulting in a larger data transmission capacity and less data loss. In addition, the medical system can perform imaging (or radiotherapy) of the treatment area by rotating the first gantry relative to the second gantry, and can also perform radiotherapy (or imaging) by rotating the second gantry relative to the fixed gantry.

[0032] Figure 2 This is a three-dimensional structural schematic diagram of a medical system according to some embodiments of this application. Figure 3 This is a cross-sectional view of a medical system according to some embodiments of this application. Figure 4 These are schematic diagrams of the structure of a medical system according to some embodiments of this application. Figure 5 This is a cross-sectional view of a medical system according to other embodiments of this application. The following will be combined with... Figure 2-5 The medical system involved in the embodiments of this application will be described in detail. It should be noted that the following embodiments are only used to explain this application and do not constitute a limitation on this application.

[0033] like Figure 2 and Figure 3As shown, the medical system 100 may include a first rack 110, a second rack 120, a fixed rack 130, a first slip ring 140, and a second slip ring 150. The first rack 110 may be used to mount at least a portion of a first imaging component or at least a first treatment component, and the second rack 120 may be used to mount at least a portion of a second imaging component or at least a portion of a second treatment component. In other words, at least a portion of the first imaging component and at least a portion of the second imaging component can be installed on the first rack 110 and the second rack 120 respectively, to achieve the combined use of the two imaging components; or, at least a portion of the first treatment component and at least a portion of the second treatment component can be installed on the first rack 110 and the second rack 120 respectively, to achieve the combined use of the two treatment components; or, at least a portion of the first imaging component can be installed on the first rack 110, and at least a portion of the second treatment component can be installed on the second rack 120, to achieve the combined use of the imaging component and the treatment component; or, at least a portion of the first treatment component can be installed on the first rack 110, and at least a portion of the second imaging component can be installed on the second rack 120, to achieve the combined use of the imaging component and the treatment component. A first slip ring 140 is disposed on the first rack 110 so that the first slip ring 140 can rotate with the first rack 110. The first slip ring 140 is signal-connected to the first imaging component or the first treatment component. This specification uses the example of the first imaging component being mounted on the first rack 110 and the first slip ring 140 being signal-connected to the first imaging component. The second slip ring 150 can be mounted on the second rack 120 so that the second slip ring 150 can rotate with the second rack 120. The second slip ring 150 can be signal-connected to the second imaging component or the second treatment component. This specification uses the example of the second treatment component being mounted on the second rack 120 and the second slip ring 150 being signal-connected to the second treatment component. The signal connection can be understood as the ability to exchange data between the first slip ring 140 and the first imaging component, and between the second slip ring 150 and the second treatment component. The first slip ring 140 and the second slip ring can be coplanar or non-coplanar (for example, they can be arranged one in front of the other along the axial direction of the first rack 110 or the second rack 120), as detailed in the following description. The first data transmission component 161 is mounted on the fixed rack 130. The second gantry 120 has a receiving space within which at least a portion of the first gantry 110 is located. In some embodiments, the imaging region and the radiotherapy region at least partially overlap, allowing imaging and radiotherapy operations to be performed simultaneously. By way of example only, the second gantry 120 may include an annular structure whose inner annular surface may enclose the receiving space. The first gantry 110 is at least partially located within the second gantry 120. For example, the first gantry 110 may be partially or entirely located within the receiving space.The first frame 110 is rotatably connected to the second frame 120, and the second frame 120 is rotatably connected to the fixed frame 130.

[0034] Before radiotherapy, the second gantry 120 can be fixed relative to the fixed gantry 130, while the first gantry 110 rotates relative to the second gantry 120. This allows the first imaging component mounted on the first gantry 110 to capture images of the patient's treatment area. The resulting images enable the medical system 100 or its operator to obtain the specific location and condition of the lesion at the treatment site. During radiotherapy, the second gantry 120 can rotate relative to the fixed gantry 130, allowing the second treatment component mounted on the second gantry 120 to perform radiotherapy on the patient's treatment area. At this time, the first gantry 110 can be fixed to the second gantry 120 and move synchronously with it; the first gantry 110 can also rotate relative to the second gantry 120 to simultaneously perform radiotherapy and image capture, allowing the operator to monitor the patient's treatment status in real time. The treatment sites mentioned above may include the head, chest, abdomen, or limbs, or specific organs such as the esophagus, trachea, lungs, stomach, liver, kidneys, spleen, intestines, or uterus.

[0035] An imaging unit (including a first imaging unit and a second imaging unit) can be a device for acquiring images of internal tissues of a human or animal in a non-invasive manner. For example, the imaging unit can use a radiation emission source to emit a radiation beam (such as an X-ray beam, gamma ray, or ultrasound) and scan a part of a human or animal using a radiation detector. The imaging unit can obtain images of the scanned area and can be used for the diagnosis or treatment of various diseases. In some embodiments, the imaging unit may include a CT device (such as a CBCT device, FBCT device, etc.), an MR device, a PET device, a PET-CT device, an X-ray machine, or any combination thereof. In some embodiments, at least the radiation emission source (such as an X-ray tube) of the imaging unit is mounted on a first gantry 110.

[0036] In some embodiments, the treatment assembly (including a first treatment assembly and a second treatment assembly) can be an electromagnetic device that accelerates various types of charged particles to higher energies using different forms of electric fields through artificial means. The radiotherapy assembly may include a linear accelerator, a particle accelerator device used in medicine for radiotherapy of malignant tumors. The radiation emitting mechanism of a linear accelerator can generate X-rays, electron beams, proton beams, and other particle beams to treat malignant tumors at the treatment site. In some embodiments, at least the linear accelerator of the treatment assembly is mounted on a second rack 120.

[0037] The first slip ring 140 can power the first imaging component and / or be used for data transmission between the first imaging component and other components of the medical system 100 (e.g., control components), such as the transmission of image data, control data, etc. The second slip ring 150 can power the second treatment component and / or be used for data transmission between the second treatment component and other components of the medical system 100 (e.g., control components), such as the transmission of image data, control data, etc.

[0038] When patients require radiotherapy, imaging is often performed first, followed by radiotherapy. In this embodiment, the first gantry 110 is at least partially located within the second gantry 120, and the first gantry 110 is rotatably connected to the second gantry 120, which is rotatably connected to the fixed gantry 130. This allows patients to receive radiotherapy directly after imaging without moving the bed. Since the bed does not need to be moved, errors in the imaging data are avoided due to bed movement, preventing deviations between the radiotherapy site and the actual treatment area, thus ensuring the effectiveness of radiotherapy. It also shortens radiotherapy time and reduces patient discomfort. This structure also allows for convenient imaging during radiotherapy. Furthermore, during imaging, the first gantry 110 rotates at a relatively high speed (e.g., approximately 120 r / min); during radiotherapy, the second gantry 120 rotates at a relatively low speed (e.g., approximately 10 r / min). In this embodiment, the arrangement of the first frame 110 and the second frame 120 allows both to be designed with ideal rotation speeds. For example, the first frame 110 can rotate independently during imaging (instead of rotating synchronously with the second frame 120), making its rotating parts lighter. This ensures that the high-speed rotation of the first frame 110 does not affect image quality, and also prevents the second treatment component from having its lifespan affected by high-speed rotation. Furthermore, the use of a first slip ring 140 and a second slip ring 150 for data transmission between the first imaging component and the second treatment component ensures that their operation does not interfere with each other, and (compared to a single slip ring) the data transmission capacity is greater.

[0039] In some embodiments, such as Figure 3 As shown, the first frame 110 has a first axis ( Figure 3 (dashed line A in the diagram), the second frame 120 has a second axis ( Figure 3(Dash line B in the diagram). As an example only, the first gantry 110 and the second gantry 120 may include annular structures. The first axis may be the axis of the annular structure of the first gantry 110, and the second axis may be the axis of the annular structure of the second gantry 120. The first gantry 110 rotates about the first axis, and the second gantry 120 rotates about the second axis. The first axis and the second axis may intersect (or substantially intersect) or be parallel (or substantially parallel). That is, the axis of rotation of the first gantry 110 intersects or is parallel to the axis of rotation of the second gantry 120. As an example only, the first axis and the second axis may intersect at a single point, which may be the isocenter of the medical system (i.e., the point where the rotation axes of the gantry, linear accelerator, and treatment bed intersect). Alternatively, the first axis and the second axis may be parallel and spaced apart. Or, the first axis and the second axis may coincide. With such an arrangement, the rotation of the first gantry 110 and the second gantry 120 can ensure better diagnostic and treatment effects while reducing patient movement during diagnosis or treatment. It should be noted that "basic intersection" can be understood as the distance between the first and second axes and the center point not exceeding 2mm; "basic parallelism" can be understood as the angle between the first and second axes being less than 2°.

[0040] In some embodiments, the first slip ring 140 and the second slip ring 150 are coplanar. Coplanar arrangement can be understood as the first slip ring 140 and the second slip ring 150 being arranged along the same plane, which can be a plane perpendicular to the first axis (or the second axis). In this case, the axes of the first slip ring 140 and the second slip ring 150 can be parallel or coincident. The coplanar arrangement of the first slip ring 140 and the second slip ring 150 allows for a more compact layout of the medical system 100 and reduces the axial thickness of the medical system 100 (which is also the axial direction of the first frame 110 of the annular structure or the axial direction of the second frame 120 of the annular structure). In some embodiments, when both the first slip ring 140 and the second slip ring 150 are arranged on a plane perpendicular to the first axis (or the second axis), the second slip ring 150 can be arranged around the first slip ring 140, or the first slip ring 140 can be arranged around the second slip ring 150.

[0041] In some embodiments, the medical system 100 further includes a carbon brush assembly 164. The carbon brush assembly 164 is a sliding contact used to provide power and / or transmit energy to slip rings (including a first slip ring 140 and a second slip ring 150) and a first data transmission assembly 161 (or a second data transmission assembly 162). In some embodiments, the carbon brush assembly 164 may include a first carbon brush and a second carbon brush, the first carbon brush contacting the first slip ring 140 and the second carbon brush contacting the second slip ring 150. In some embodiments, the first and second carbon brushes may be an integral structure. Manufacturing the first and second carbon brushes as an integral structure facilitates the installation, maintenance, and replacement of the carbon brush assembly 164, while also saving space.

[0042] In some embodiments, such as Figure 3 As shown, the first data transmission component 161 can be signal-connected to the first slip ring 140 and the second slip ring 150. Connecting a data transmission component (i.e., the first data transmission component 161) to both the first slip ring 140 and the second slip ring 150 allows for a more compact structure of the medical system 100 and reduces the radial dimension of the medical system 100.

[0043] In some embodiments, the first slip ring 140, the second slip ring 150, and the first data transmission component 161 may be arranged coplanarly. That is, the first slip ring 140, the second slip ring 150, and the first data transmission component 161 may be located on the same plane perpendicular to the first axis (or the second axis). In some embodiments, the first data transmission component 161 may be located on the side of the first slip ring 140 and / or the second slip ring 150 away from the first rack 110. In some embodiments, the first data transmission component 161 may be located on the side of the first slip ring 140 and / or the second slip ring 150 closer to the first rack 110.

[0044] In some embodiments, the outer diameter of the first stationary ring of the first data transmission component 161 may be smaller than the outer diameter of the second slip ring 150, and the inner diameter of the first stationary ring of the first data transmission component 161 may be larger than the outer diameter of the first slip ring 140. In this case, the first slip ring 140, the second slip ring 150, and the first stationary ring can be coplanarized, and the first stationary ring of the first data transmission component 161 can be located between the first slip ring 140 and the second slip ring 150, thereby facilitating signal connection between the first data transmission component 161 and the first slip ring 140 and the second slip ring 150, respectively. In some embodiments, the outer diameter of the first stationary ring of the first data transmission component 161 may be smaller than the inner diameter of the first slip ring 140. In this case, the first slip ring 140, the second slip ring 150, and the first stationary ring can be coplanarized, and the first slip ring 140 can surround the first stationary ring. In some embodiments, the inner diameter of the first stationary ring of the first data transmission component 161 may be larger than the outer diameter of the second slip ring 150. At this time, the first slip ring 140, the second slip ring 150 and the first stationary ring can be arranged in the same plane, and the first stationary ring can be wrapped around the second slip ring 150.

[0045] In some embodiments, the outer diameter of the first stationary ring of the first data transmission component 161 may be less than or equal to 1.7 m. In some embodiments, the outer diameter of the first stationary ring of the first data transmission component 161 may be less than or equal to 1.6 m. By setting the size in this way, the size of the first stationary ring of the first data transmission component 161 can be prevented from being too large, thereby avoiding the loss of transmitted data (if the size of the first stationary ring is too large, it may cause the loss of transmitted data).

[0046] In some embodiments, such as Figure 4 As shown, the first stationary ring of the first data transmission component 161 can be fixed to the fixed frame 130 by a fixing mechanism 131. The fixing mechanism 131 may include a first fixing part, a connecting part, and a second fixing part. The first fixing part can be connected to the first stationary ring of the first data transmission component 161. The second fixing part can be connected to the fixed frame 130. The connecting part is used to connect the first fixing part and the second fixing part. In some embodiments, the number of fixing mechanisms 131 can be multiple, such as 2, 4, or 7.

[0047] In some embodiments, such as Figure 5As shown, the first data transmission component 161 can be signal-connected to the first slip ring 140. The second data transmission component 162 can be signal-connected to the second slip ring 150. In some embodiments, the first data transmission component 161 and the second data transmission component 162 are respectively located on opposite sides of the axial direction of the first slip ring 140. In some embodiments, the first data transmission component 161 and the second data transmission component 162 may both be located on the side of the first slip ring 140 and / or the second slip ring 150 away from the first frame 110. In some embodiments, the first data transmission component 161 and the second data transmission component 162 may both be located on the side of the first slip ring 140 and / or the second slip ring 150 closer to the first frame 110.

[0048] In some embodiments, the outer diameter of the first stationary ring of the first data transmission component 161 and / or the outer diameter of the second stationary ring of the second data transmission component 162 may be smaller than the outer diameter of the first slip ring 140. In some embodiments, the inner diameter of the first stationary ring of the first data transmission component 161 and / or the inner diameter of the second stationary ring of the second data transmission component 162 may be larger than the inner diameter of the second slip ring 150. In some embodiments, the inner diameter of the first stationary ring of the first data transmission component 161 can be larger than the outer diameter of the first slip ring 140, and the outer diameter of the first stationary ring of the first data transmission component 161 can be smaller than the outer diameter of the second slip ring 150. In some embodiments, the inner diameter of the second stationary ring of the second data transmission component 162 can be larger than the outer diameter of the first slip ring 140, and the outer diameter of the second stationary ring of the second data transmission component 162 can be smaller than the inner diameter of the second slip ring 150. Through the design of the inner and outer diameters of the first stationary ring of the first data transmission component 161 and the second stationary ring of the second data transmission component 162 in this embodiment, the dimensions of the first stationary ring of the first data transmission component 161 and the second stationary ring of the second data transmission component 162 are reasonable, which can both ensure data transmission efficiency and avoid data loss during transmission.

[0049] In some embodiments, the outer diameters of the first stationary ring of the first data transmission component 161 and the second stationary ring of the second data transmission component 162 can both be less than or equal to 1.7 m. In some embodiments, the outer diameters of the first stationary ring of the first data transmission component 161 and the second stationary ring of the second data transmission component 162 can be less than or equal to 1.6 m. This dimensional setting prevents the first stationary ring of the first data transmission component 161 and the second stationary ring of the second data transmission component 162 from becoming too large, thereby avoiding data loss during transmission (if the size of the first or second stationary ring is too large, it may lead to data loss during transmission).

[0050] In some embodiments, the inner diameter of the first stationary ring of the first data transmission component 161 and the inner diameter of the second stationary ring of the second data transmission component 162 may be the same. In some embodiments, the outer diameter of the first stationary ring of the first data transmission component 161 and the outer diameter of the second stationary ring of the second data transmission component 162 may be the same.

[0051] In some embodiments, the medical system 100 may further include a first bearing 170 and a second bearing 180. The first frame 110 is connected to the second frame 120 via the first bearing 170, and the second frame 120 is connected to the fixed frame 130 via the second bearing 180. Specifically, the stator portion of the first bearing 170 may be fixed to the second frame 120, and the rotor portion of the first bearing 170 may be fixed to the first frame 110; the stator portion of the second bearing 180 may be fixed to the fixed frame 130, and the rotor portion of the second bearing 180 may be fixed to the second frame 120. In some embodiments, the first bearing 170 and the second bearing 180 may be electromagnetic bearings or mechanical bearings, etc. Mechanical bearings may be sliding bearings, rolling bearings, etc. By using electromagnetic bearings, there is no mechanical contact between the first frame 110 and the second frame 120 or between the second frame 120 and the fixed frame 130, avoiding friction between the frames, eliminating the need for lubrication, and being suitable for high-speed rotation, which can improve the service life of each frame.

[0052] In some embodiments, the medical system 100 may further include a drive source (not shown) and a transmission assembly (not shown). The transmission assembly may also be connected between the drive source and the second bearing 180. The drive source may include a motor, engine, etc. The transmission assembly may be a pulley drive assembly, sprocket drive assembly, gear drive assembly, etc. The drive source can drive the rotor of the second bearing 180 to rotate through the pulley drive assembly, thereby driving the second frame 120 and the second slip ring 150 to rotate relative to the fixed frame 130. In other embodiments, the rotor of the second bearing 180 can be directly driven to rotate by the drive source (i.e., the transmission assembly is omitted). In this case, the drive source may be a direct-drive rotary motor, which is directly connected to the second bearing 180. The drive source may also be a servo motor, stepper motor, etc.

[0053] In some embodiments, the medical system 100 may further include another drive source (not shown) and another transmission component (not shown). The other transmission component may also be connected between the other drive source and the first bearing 170. The other drive source may be a motor, engine, etc. The other transmission component may be a pulley drive component, sprocket drive component, gear drive component, etc. In other embodiments, the rotor of the first bearing 170 can be directly driven to rotate by the other drive source (i.e., the other transmission component is omitted). In this case, the drive source may be a direct-drive rotary motor, which is directly connected to the first bearing 170.

[0054] In some embodiments, the medical system 100 may further include a locking mechanism 190. The locking mechanism 190 may be disposed between the first frame 110 and the second frame 120. In some embodiments, the locking mechanism 190 may be disposed on the first frame 110. In some embodiments, the locking mechanism 190 may be disposed on the second frame 120. In some embodiments, the locking mechanism 190 may be disposed on both the first frame 110 and the second frame 120. That is, a portion of the locking mechanism 190 may be disposed on the first frame 110, and another portion may be disposed on the second frame 120. The locking mechanism 190 may be configured to lock the first frame 110 and the second frame 120 to prevent relative rotation between the first frame 110 and the second frame 120. When the locking mechanism 190 locks the first frame 110 and the second frame 120, the first frame 110 and the second frame 120 may rotate synchronously. For example, the first frame 110 and the second frame 120 may rotate together relative to the fixed frame 130. When the locking mechanism 190 does not lock the first frame 110 and the second frame 120, the first frame 110 and the second frame 120 can rotate relatively independently. For example, the first frame 110 can rotate while the second frame 120 remains stationary. Or, for example, the second frame 120 can also rotate relative to the fixed frame 130 while the first frame 110 remains stationary.

[0055] In some embodiments, after the locking mechanism 190 locks the first frame 110 and the second frame 120, the drive source can drive the second bearing 180 through the pulley transmission assembly, thereby causing the second frame 120, the second slip ring 150, the first frame 110, and the first slip ring 140 to rotate together. At this time, the second frame 120, the second slip ring 150, the first frame 110, and the first slip ring 140 remain relatively stationary, but rotate relative to the fixed frame 130.

[0056] In some embodiments, the locking mechanism 190 may include an electromagnetic brake device. In some embodiments, the electromagnetic brake device may include an electromagnetic bearing (such as the first bearing 170 described above being an electromagnetic bearing) and a drive device (such as a motor or engine, not shown in the figures). The drive device can control the locking or unlocking of the rotor and stator portions of the electromagnetic bearing, thereby locking or unlocking the first frame 110 and the second frame 120.

[0057] In some embodiments, the locking mechanism 190 may include a plurality of lock holes and a locking bolt. The plurality of lock holes may be provided on one of the first frame 110 and the second frame 120, and the locking bolt may be provided on the other of the first frame 110 and the second frame 120. Taking an example where all the lock holes are provided on the first frame 110, the locking bolt is provided on the second frame 120. The plurality of lock holes may be circumferentially distributed along the outer surface of the first frame 110, and the locking bolt may be inserted into the lock holes to lock the first frame 110 and the second frame 120. The locking bolt may be inserted into different lock holes, allowing the first frame 110 and the second frame 120 to be locked in different relative positions after the first frame 110 rotates relative to the second frame 120.

[0058] The beneficial effects that the medical system disclosed in this application may bring include, but are not limited to: (1) By setting the first gantry and the second gantry, deviations between the radiotherapy site and the actual treatment site can be avoided, thereby ensuring the radiotherapy effect and shortening the radiotherapy time, reducing the patient's pain; (2) The imaging quality of the image component is high, and the mechanism that allows the first and second gantry to rotate independently makes the service life of the medical system longer; (3) The first slip ring and the second slip ring are set to transmit data between the two devices (such as the first imaging component and the second radiotherapy component) respectively, so that the working process of the two devices (such as the first imaging component and the second radiotherapy component) will not interfere with each other, and the data transmission volume is larger; (4) The layout of the medical system is reasonable, the axial thickness is reduced, the movement of each component will not interfere with each other, and it is convenient to use. It should be noted that different embodiments may produce different beneficial effects. In different embodiments, the beneficial effects that may be produced can be any one or a combination of the above, or any other possible beneficial effects.

[0059] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A slip ring assembly, characterized in that, The slip ring assembly includes a first slip ring disposed on a first frame, a second slip ring disposed on a second frame, and a first data transmission component. The first data transmission component is signal-connected to at least one of the first slip ring and the second slip ring. The first slip ring and the second slip ring are capable of current transmission and signal transmission. The first data transmission component includes a first stationary ring; and at least two of the first slip ring, the second slip ring, and the first stationary ring arranged in a surrounding configuration.

2. The slip ring assembly as described in claim 1, characterized in that, Both the first slip ring and the second slip ring are signal-connected to the first data transmission component.

3. The slip ring assembly as described in claim 1, characterized in that, The slip ring assembly further includes a second data transmission component, wherein the first data transmission component is connected to the first slip ring signal, and the second data transmission component is connected to the second slip ring signal.

4. The slip ring assembly as claimed in claim 1, characterized in that, The first slip ring and the second slip ring are arranged in the same plane.

5. The slip ring assembly as described in claim 4, characterized in that, The first stationary ring is located between the first slip ring and the second slip ring.

6. A medical system, characterized in that, The medical system includes a first gantry, a second gantry, a fixation gantry, and a slip ring assembly as described in any one of claims 1-5; the first gantry is used to mount at least a portion of the first imaging assembly or at least a portion of the first radiotherapy assembly, and the second gantry is used to mount at least a portion of the second imaging assembly and at least a portion of the second treatment assembly, wherein... The first slip ring of the slip ring assembly is disposed on the first frame, and the first slip ring is signal connected to the first imaging assembly or the first radiotherapy assembly; The second slip ring of the slip ring assembly is disposed on the second frame, and the second slip ring is signal-connected to the second imaging assembly or the second treatment assembly.

7. The medical system as described in claim 6, characterized in that, The first data transmission component is mounted on the fixed frame; The second rack has a receiving space, at least a portion of the first rack is located within the receiving space, and the first rack is rotatably connected to the second rack; as well as The second frame is rotatably connected to the fixed frame.

8. The medical system as described in claim 6, characterized in that, The first frame has a first axis about which it rotates, and the second frame has a second axis about which it rotates, wherein the first axis intersects or is parallel to the second axis.

9. The medical system as described in claim 6, characterized in that, The medical system further includes a locking mechanism located between the first frame and the second frame, or the locking mechanism is located on the first frame and / or on the second frame.

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