CN219983734U - Medical equipment and rack assembly thereof - Google Patents

Abstract

The utility model provides medical equipment and a rack assembly thereof, wherein the rack assembly comprises an internal rack, an RT rack, a powered unit and an energy storage unit, the RT rack surrounds the internal rack and can rotate around the internal rack, the powered unit is arranged on the RT rack, the energy storage unit is connected with the powered unit, and the powered unit can be discharged and powered when the RT rack rotates. So configured, through setting up the energy storage unit and giving the power supply unit power supply when the RT frame rotates, need not to be by the power supply unit through the sliding ring access external power source when the RT frame work rotates, can avoid the electromagnetic interference problem that the heavy current that external power source produced brought, avoid complicated sliding ring design in the traditional scheme, reduce cost.

Description

Medical equipment and rack assembly thereof

Technical Field

The utility model relates to the technical field of medical equipment, in particular to medical equipment and a rack assembly thereof.

Background

For MR (Magnetic Resonance, MR) guided radiotherapy treatment, it is necessary to turn on the accelerator and MR simultaneously, the RT gantry rotates around the MR gantry, and power the RT modulator through the slip ring. However, the transfer of large currents through the slip ring generates additional magnetic fields, which in turn can cause MR imaging to be affected.

Disclosure of Invention

The utility model provides medical equipment and a rack assembly thereof, and aims to avoid the influence of an extra magnetic field generated by large current when power is supplied to acceleration through a slip ring in integrated medical equipment on medical imaging.

In order to solve the above technical problem, according to one aspect of the present utility model, there is provided a rack assembly, comprising:

an internal housing;

the RT rack is arranged around the internal rack and can rotate around the internal rack;

a powered unit disposed on the RT rack;

and the energy storage unit is electrically connected with the supplied power unit and can discharge energy to the supplied power unit when the RT rack rotates.

Optionally, the energy storage unit may be further charged with energy by an external power source when the RT frame is not rotated.

Optionally, the internal gantry is one of a CT gantry, a PET gantry, and an MR gantry.

Optionally, when the internal gantry is an MR gantry, the powered unit includes a linear accelerator.

Optionally, the energy storage unit includes at least one of a battery and a supercapacitor.

Optionally, the RT housing and the internal housing are both annular.

Optionally, the RT housing and the internal housing are coaxially arranged.

Optionally, the energy storage unit is disposed on the RT frame.

Optionally, the rack assembly further includes a second power distribution unit connected to the energy storage unit, and the second power distribution unit is connected to the powered unit.

Based on another aspect of the present utility model, the present utility model also provides a medical device comprising:

a housing assembly as described above;

the integrated RT equipment and medical image auxiliary equipment, wherein the rack of the RT equipment is the RT rack, and the rack of the medical image auxiliary equipment is the internal rack.

In summary, in the medical device and the rack assembly thereof provided by the utility model, the rack assembly comprises an internal rack, an RT rack, a powered unit and an energy storage unit, wherein the RT rack encloses the internal rack and can rotate around the internal rack, the powered unit is arranged on the RT rack, and the energy storage unit is connected with the powered unit and can discharge energy to the powered unit when the RT rack rotates.

So configured, through setting up the energy storage unit and giving the power supply unit power supply when the RT frame rotates, need not to be by the power supply unit through the sliding ring access external power source when the RT frame work rotates, can avoid the electromagnetic interference problem that the heavy current that external power source produced brought, avoid complicated sliding ring design in the traditional scheme, reduce cost.

It should be noted that the medical device has the frame assembly, so the medical device also has technical effects brought by the frame assembly, and the description thereof will not be repeated here.

Drawings

It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the utility model and do not constitute any limitation on the scope of the utility model. Wherein:

FIG. 1 is a schematic diagram of a prior art medical device for powering a linear accelerator;

FIG. 2 is a schematic view of a rack assembly according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of power supply to a linear accelerator in a medical device according to an embodiment of the utility model.

In the accompanying drawings:

10-an internal housing;

a 20-RT frame;

30-a powered unit; a 31-RT modulator; a 32-emitter; 33-accelerator;

40-an energy storage unit;

50-a second power distribution unit;

60-a first power distribution unit;

70-slip rings;

VIN-external power source.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the utility model more apparent. It should be noted that the drawings are in a very simplified form and are not drawn to scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model. Furthermore, the structures shown in the drawings are often part of actual structures. In particular, the drawings are shown with different emphasis instead being placed upon illustrating the various embodiments.

As used in this disclosure, the singular forms "a," "an," and "the" include plural referents, the term "or" are generally used in the sense of comprising "and/or" and the term "several" are generally used in the sense of comprising "at least one," the term "at least two" are generally used in the sense of comprising "two or more," and the term "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance or number of features indicated. Thus, a feature defining "first," "second," "third," or "third" may explicitly or implicitly include one or at least two such features, with "one end" and "another end" and "proximal end" and "distal end" generally referring to the respective two portions, including not only the endpoints, but also the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, e.g., as being either a fixed connection, a removable connection, or as being integral therewith; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Furthermore, as used in this disclosure, an element disposed on another element generally only refers to a connection, coupling, cooperation or transmission between two elements, and the connection, coupling, cooperation or transmission between two elements may be direct or indirect through intermediate elements, and should not be construed as indicating or implying any spatial positional relationship between the two elements, i.e., an element may be in any orientation, such as inside, outside, above, below, or on one side, of the other element unless the context clearly indicates otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Fig. 1 is a schematic diagram of a prior art medical device for powering a linear accelerator. Referring to fig. 1, an external power source VIN is input to a first power distribution unit 60 in the shielding room, the first power distribution unit 60 distributes a path of power to the slip ring 70, so that the slip ring 70 generates an induced current through the mutual cooperation between a stator and a rotor on its own structure, the induced current is large, and the induced current is transmitted to a second power distribution unit 50, and the second power distribution unit 50 distributes power to each component of the linear accelerator 33, for example, can transmit a path of power to the RT modulator 31, the emitter 32 and the accelerator 33, respectively. Taking the case of an integrated MR device and RT device, an additional magnetic field is generated when a large current is transmitted through the slip ring 70, which in turn leads to an influence on the MR imaging.

In view of the foregoing, an embodiment of the present utility model provides a rack assembly for medical devices (specifically, integrated medical devices). Fig. 2 is a schematic view of a housing assembly according to an embodiment of the present utility model, and referring to fig. 2, the housing assembly includes an internal housing 10 and an RT housing 20. The medical equipment comprises integrated RT equipment and medical image auxiliary equipment, wherein the rack of the RT equipment is an internal rack 10 of the rack assembly, and the rack of the medical image auxiliary equipment is an RT rack 20 of the rack assembly. The medical auxiliary imaging device may be a CT device, a PET device or an MR device, and the corresponding gantry may be a CT gantry, a PET gantry or an MR gantry. For integrated MR equipment and RT equipment, the MR image guided radiotherapy technology is a new development direction and hot spot in the current radiotherapy field, MR imaging has the advantages of no radioactivity, high soft tissue contrast resolution and the like, and the radiotherapy effect can be evaluated through functional imaging.

The RT housing 20 encloses the internal housing 10, and the RT housing 20 can rotate around the internal housing 10. Further, the RT housing 20 and the inner housing 10 are both annular, specifically annular cylindrical. Preferably, the internal housing 10 and the RT housing 20 are coaxially arranged.

The frame assembly further comprises a powered unit 30, wherein the powered unit 30 is arranged on the RT frame 20 and can synchronously rotate along with the RT frame 20. When the medical device is an integrated RT device and MR device, the powered unit 30 includes a linear accelerator 33 (LINAC), which may specifically be an RT beam component, including but not limited to an RT modulator 31, an emitter 32, an accelerator 33, an electron beam deflection device, etc.

When medical equipment is in operation, such as integrated MR equipment and RT equipment, it is necessary to turn on both the linear accelerator 33 and the MR equipment and to rotate the RT housing 20 around the internal housing 10.

The rack assembly further comprises an energy storage unit 40, wherein the energy storage unit 40 is electrically connected with the powered unit 30 and can discharge energy to the powered unit 30 when the RT rack 20 rotates, that is, can supply power to the powered unit 30 when the medical device works, so that the powered unit 30 can be started to start working, for example, the energy storage unit 40 discharges energy to the RT modulator 31. Further, the energy storage unit 40 is disposed on the RT frame 20 and rotates synchronously with the RT frame 20. Further, the energy storage unit 40 may be charged and stored by the external power source VIN when the RT housing 20 is not rotating, i.e. the energy storage unit 40 may be connected to the external power source VIN to charge and store energy when the power supplied unit 30 is not needed. When the medical device is in operation, the external power source VIN is disconnected to charge the energy storage unit 40, which may be specifically a plug-out. Preferably, a switch component may be provided and detect the operating state of the medical device to implement the scheme design that the energy storage unit 40 automatically disconnects or connects to the external power source VIN, which is more intelligent.

Illustratively, the energy storage unit 40 includes at least one of a battery and a supercapacitor.

Fig. 3 is a schematic diagram of the power supply to the linear accelerator 33 in the medical device according to an embodiment of the present utility model. Referring to fig. 3, the energy storage unit 40 is connected to the supplied unit 30 through the second power distribution unit 50. The external power source VIN is input to the first power distribution unit 60 in the shielding room, the first power distribution unit 60 distributes a path of power to charge the energy storage unit 40, so that the energy storage unit 40 stores electric energy, when the medical device works, the energy storage unit 40 breaks the electrical connection with the external power source VIN, the energy storage unit 40 transmits the electric energy to the second power distribution unit 50, and the second power distribution unit 50 distributes power to each component of the linear accelerator, for example, a path of power can be respectively transmitted to the RT modulator 31, the emitter 32 and the accelerator 33. The energy storage unit 40 is configured to supply the linear accelerator 33 with a small current when the medical device is in operation, so as to avoid electromagnetic interference caused by a large current and further avoid the influence of medical imaging

Based on the above-mentioned frame assembly, an embodiment of the present utility model further provides a medical device, where the medical device includes the above-mentioned frame assembly, and an integrated RT device and a medical image auxiliary device, a frame of the RT device is an RT frame 20 in the frame assembly, and a frame of the medical image auxiliary device is an internal frame 10 in the frame assembly. For example, the medical imaging auxiliary device is an MR device, the frame of the medical imaging auxiliary device is an MR frame, the integrated RT device and MR device are based on MR image-guided radiotherapy technology, MR imaging has the advantages of no radioactivity, high soft tissue contrast resolution and the like, and the radiotherapy effect can be evaluated through functional imaging.

In summary, in the medical device and the rack assembly thereof provided by the utility model, the rack assembly comprises an internal rack, an RT rack, a powered unit and an energy storage unit, wherein the RT rack encloses the internal rack and can rotate around the internal rack, the powered unit is arranged on the RT rack, and the energy storage unit is connected with the powered unit and can discharge energy to the powered unit when the RT rack rotates. So configured, through setting up the energy storage unit and giving the power supply unit power supply when the RT frame rotates, need not to be by the power supply unit through the sliding ring access external power source when the RT frame work rotates, can avoid the electromagnetic interference problem that the heavy current that external power source produced brought, avoid complicated sliding ring design in the traditional scheme, reduce cost.

While the utility model has been described in terms of preferred embodiments, the above embodiments are not intended to limit the utility model. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art without departing from the scope of the technology, or the technology can be modified to be equivalent. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (10)

1. A rack assembly, comprising:

an internal housing (10);

an RT frame (20) surrounding the internal frame (10) and rotatable around the internal frame (10);

a powered unit (30) provided on the RT housing (20);

and the energy storage unit (40) is electrically connected with the power-supplied unit (30) and can discharge energy to the power-supplied unit (30) when the RT rack (20) rotates.

2. The gantry assembly according to claim 1, characterized in that the energy storage unit (40) is further chargeable by an external power source when the RT gantry (20) is not rotating.

3. The rack assembly according to claim 1, characterized in that the energy storage unit (40) is provided on the RT rack (20).

4. The gantry assembly according to claim 1, characterized in that the internal gantry (10) is one of a CT gantry, a PET gantry and an MR gantry.

5. The rack assembly according to claim 4, wherein the powered unit (30) comprises a linear accelerator.

6. The rack assembly of claim 1, wherein the energy storage unit (40) comprises at least one of a battery and a supercapacitor.

7. The gantry assembly of claim 1, wherein the RT gantry (20) and the inner gantry (10) are both ring-shaped.

8. The gantry assembly of claim 7, wherein the RT gantry (20) and the inner gantry (10) are coaxially arranged.

9. The rack assembly according to claim 1, further comprising a second power distribution unit (50) connected to the energy storage unit (40), the second power distribution unit (50) being connected to the powered unit (30).

10. Medical device, comprising a gantry assembly according to any of claims 1-9, and an integrated RT device and medical image auxiliary device, wherein the gantry of the RT device is the RT gantry (20) and the gantry of the medical image auxiliary device is the internal gantry (10).