After-loading treatment device

Abstract

The invention relates to the technical field of medical apparatus and instruments, and particularly provides an after-loading treatment device, which comprises a base body, the source modules are used for placing true sources or false sources; the rotating assembly is arranged on the base body and comprises a rotating frame, a plurality of source module mounting positions are arranged on the rotating frame, and the source modules can be rotatably arranged on the base body through the rotating assembly; the indexing assembly comprises an indexing plate and a plurality of indexing holes which are formed in the indexing plate and correspond to the plurality of source modules; wherein the indexing assembly is arranged on the downstream side of the rotating assembly when being observed along the source application path of the true source or the false source. With such a configuration, it is possible to improve the usability of the afterloading treatment device by means of the arrangement of the plurality of source modules.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular provides an afterloading treatment device. Background Art

[0002] As a radiation source driving device, the afterloader works by delivering the radiation source to the residence position near the malignant tumor in the patient's cavity, tube or tissue, etc., to achieve close-range radiotherapy of the lesion. After the treatment is completed, the radiation source is returned to the shielding container of the afterloader.

[0003] The current afterloading therapy machine is usually equipped with only one real source. Based on such a structure, after one source entry operation, only one resident position can be irradiated to achieve close-range radiotherapy of the lesion at that position. The more resident positions there are, the longer the treatment time. In the case where multiple resident positions are set in the tumor area, the current processing method is: a divider needs to be configured for the afterloading therapy machine, and the inlet and outlet channels of the radiation source are controlled by the divider so that the radiation source is delivered to each resident position in turn to achieve close-range radiotherapy of the lesion at the corresponding resident position, and a fake source needs to be used to verify whether the source delivery channel of each resident position is unobstructed. As the activity of the radiation source decreases, the treatment time will be further increased on the basis of the aforementioned long time due to verification reasons. In addition, in order to ensure the treatment efficiency, the radiation source needs to be replaced when it still has a certain activity (such as half the activity), which will cause waste of the radiation source and increase the recovery cost of the radiation source.

[0004] Accordingly, the art needs a new technical solution to solve the above problems. Summary of the invention

[0005] The present invention aims to solve the above technical problems and / or solve at least part of the above technical problems to at least a certain extent. Specifically, the present invention provides an afterloading treatment device that can flexibly install one or more source modules according to the needs of the patient group, and then select one or more source modules according to the individual situation of each patient, and put them in current use in parallel or in sequence. Based on this, the afterloading treatment device of the present invention can not only reduce the treatment time and improve the treatment efficiency, but also extend the service life of each radiation source and reduce the cost of source replacement.

[0006] In view of this, the present invention provides a post-loading treatment device, which includes: a base; a plurality of source modules, the source modules are used to place true sources or false sources; a rotating assembly, which is arranged on the base and includes a rotating frame, the rotating frame is provided with a plurality of source module mounting positions, and the source module can be rotatably set on the base through the rotating assembly; and a dividing assembly, which includes a dividing plate and a plurality of dividing holes arranged on the dividing plate and corresponding to the plurality of source modules; wherein, observed along the source application path of the true source or the false source, the dividing assembly is arranged on the downstream side of the rotating assembly.

[0007] With such a configuration, the usability of the afterloading treatment device can be improved by providing a plurality of source modules. Furthermore, since only one indexing assembly is included, the usability of the afterloading treatment device is further improved.

[0008] It is understandable that those skilled in the art can determine the structure, number, relative position, etc. of the source modules according to actual needs. For example, the structures of multiple source modules can be the same or different, and they can be evenly or unevenly distributed at different positions of the rotating frame.

[0009] For the above-mentioned afterloading treatment device, in a possible embodiment, the afterloading treatment device also includes: a convergence component, which includes a convergence layer and a plurality of convergence pipes arranged on the convergence layer and corresponding to the plurality of dividing holes; and a take-over assembly, which includes a take-over plate bracket and a plurality of take-over plate holes arranged on the take-over plate bracket and corresponding to the plurality of convergence pipes; wherein the convergence component is located between the dividing component and the take-over assembly.

[0010] Such a configuration provides a possible structural form of the afterloading treatment device.

[0011] For the above-mentioned afterloading treatment device, in a possible implementation, the rotating assembly includes a driving unit, and the driving unit includes: a driving component; a support shaft, which is arranged on the base; the driving component can drive the rotating frame to rotate through the support shaft and thereby drive the source module arranged on the rotating frame to move.

[0012] Through such a configuration, it is possible to achieve movement of the source module based on the driving force provided by the driving component. For example, the driving component can be a motor or any form of rotating module (such as a combination of a motor and a gear pair, etc.).

[0013] For the above-mentioned afterloading treatment device, in a possible implementation manner, the rotating frame is a ring-shaped structure, and the driving component can drive the rotating frame to rotate around its axis.

[0014] With such a configuration, it is possible to place the source module in the operating position by rotating the rotating frame.

[0015] For the above-mentioned afterloading treatment device, in a possible implementation manner, the rotating frame includes one or more annular structures distributed along the radial direction, and one or more supporting shafts corresponding to one or more of the rotating frames are fixedly arranged on the base, and one or more driving components corresponding to one or more of the rotating frames can drive the multiple rotating frames to rotate relative to the corresponding supporting shafts in a manner independent of each other.

[0016] With such a configuration, the use performance of the afterloading treatment device can be better met by one or more rotating frames, and a possible driving connection mode between the driving component and the multiple rotating frames is provided.

[0017] For the above-mentioned afterloading treatment device, in a possible implementation manner, the support shaft is a cylindrical structure, the rotating frame is arranged on the outer wall of the support shaft, and the driving part also includes a transmission mechanism, which includes: a gear, which is connected to the power output end of the driving component; and a ring gear, which is arranged on the inner wall or outer wall of the cylindrical structure, and the gear can engage with the ring gear, thereby making the driving component rotatably connected to the support shaft through the transmission mechanism.

[0018] With such a configuration, the driving component can be connected to the rotating frame by means of a transmission mechanism. For example, when the rotating frame includes one layer, the inner wall of the cylindrical structure is provided with a gear ring, and when the rotating frame includes multiple layers, the outer wall of the cylindrical structure is provided with a gear ring.

[0019] For the above-mentioned afterloading treatment device, in a possible implementation manner, the rotating frame includes one or more annular structures distributed along the radial direction, and the support shaft is fixedly arranged on the rotating frame. When the annular structure includes one, the driving component can drive the support shaft to rotate synchronously with the rotating frame; when the annular structure includes multiple, the driving component can drive the support shaft to rotate synchronously with multiple annular structures.

[0020] Through such a configuration, the use performance of the afterloading treatment device can be better met by multiple rotating frames and a possible driving connection mode between the driving component and the multiple rotating frames is provided (the driving component drives the multiple rotating frames to rotate relatively independently). For example, corresponding to the case where each layer of the rotating frame in a single layer or multiple layers can rotate independently, the support shaft is a cylindrical structure fixed to the base. For example, corresponding to the case where the single layer or multiple layers of rotating frames rotate synchronously, the support shaft is a solid shaft fixed to the rotating frame.

[0021] For the above-mentioned afterloading treatment device, in a possible implementation, the rotating frame includes one or more annular structures distributed along the radial direction. When the rotating frame includes multiple structures, the dividing plate is provided with multiple groups of dividing holes corresponding to the multiple annular structures, the converging layer is provided with multiple groups of converging pipes corresponding to the multiple annular structures, and the take-over plate bracket is provided with multiple groups of take-over plate holes corresponding to the multiple annular structures.

[0022] Such a configuration provides a possible structural form of the afterloading treatment device when the rotating frame includes a plurality of rotating frames.

[0023] For the above-mentioned afterloading treatment device, in a possible implementation manner, the source module can be detachably arranged at the source module installation position on the rotating frame.

[0024] With such a configuration, it is possible to improve the maintenance efficiency of the source module.

[0025] For the above-mentioned afterloading treatment device, in a possible embodiment, the rotating frame is provided with a first sliding structure at a position corresponding to the source module installation position, and the source module includes: a supporting structure, on which a second sliding structure is provided; and a source storage tank, which can provide a true source or a false source; the source module can be set in the source module installation position in a push-pull manner by means of the sliding connection between the first sliding structure and the second sliding structure.

[0026] Through such a configuration, a possible implementation mode of the sliding connection in the detachable connection is provided.

[0027] In a preferred embodiment of the present invention, by using one or more rotating frames including multiple source module installation positions, multiple source modules can be configured on the afterloading treatment device according to actual needs, thereby improving the use efficiency of the source modules, reducing the cost of source replacement, and allowing the use of multiple source modules to implement close-range irradiation at the same time, thereby reducing the treatment time. In addition, the indexing assembly includes only one, and the source modules can move synchronously or relatively independently, so the device is more flexible during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 Schematic diagram showing the structure of the afterloading treatment device using a single rotating assembly according to the first embodiment of the present invention Figure 1 ;

[0030] Figure 2 Schematic diagram showing the structure of the afterloading treatment device without the source module installed according to the first embodiment of the present invention Figure 2 ,The source module is removed from the figure;

[0031] Figure 3 Schematic diagram showing the structure of the indexing assembly of the afterloading treatment device according to the first embodiment of the present invention Figure 3 , the figure shows the indexing holes, the converging pipes, and the connecting holes in a perspective manner;

[0032] Figure 4 A schematic diagram showing the structure of the afterloading treatment device according to the first embodiment of the present invention Figure 4 (front view);

[0033] Figure 5 A schematic diagram showing the structure of a source module in an afterloading treatment device according to an embodiment of the present invention;

[0034] Figure 6 A schematic diagram showing the principle of an afterloading treatment device according to an embodiment of the present invention;

[0035] Figure 7 A schematic diagram showing the structure of the afterloading treatment device according to the second embodiment of the present invention Figure 1 (3D);

[0036] Figure 8 A schematic diagram showing the structure of the afterloading treatment device according to the second embodiment of the present invention Figure 2 (Rear view).

[0037] Fig. 9 A schematic diagram showing the structure of the afterloading treatment device according to the second embodiment of the present invention Figure 3 (front view);

[0038] Fig.10 A schematic diagram showing the structure of the afterloading treatment device according to the second embodiment of the present invention when the source module is not installed;

[0039] Fig.11 A schematic diagram showing the structure of a support shaft in an afterloading treatment device according to a second embodiment of the present invention;

[0040] Fig.12 A schematic diagram showing the structure of an afterloading treatment device according to a third embodiment of the present invention;

[0041] Fig.13 A schematic diagram showing the structure of the afterloading treatment device according to the third embodiment of the present invention when the source module is not installed;

[0042] Fig.14A schematic diagram showing the structure of a rotating frame in an afterloading treatment device according to a third embodiment of the present invention;

[0043] Fig.15 A schematic diagram showing the structure of the afterloading treatment device according to the fourth embodiment of the present invention Figure 1 ;as well as

[0044] Fig.16 A schematic diagram showing the structure of the afterloading treatment device according to the fourth embodiment of the present invention Figure 2 , the figure shows the indexing holes.

[0045] In the attached figure:

[0046] 100. Afterloading treatment device;

[0047] 1. Matrix;

[0048] 2. Source module;

[0049] 3. Rotating assembly;

[0050] 4. Indexing components;

[0051] 5. Aggregation components;

[0052] 6. Take over the plate assembly;

[0053] 7. Source applicator. DETAILED DESCRIPTION

[0054] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0055] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be interpreted as limiting the present invention.

[0056] It will be understood by those skilled in the art that, unless expressly stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present invention refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof. It should be understood that when we refer to an element as being "connected" or "coupled" to another element, it may be directly connected or coupled to the other element, or there may be intermediate elements. In addition, the "connection" or "coupling" used herein may include wireless connection or coupling. The term "and / or" used herein includes any unit and all combinations of one or more associated listed items.

[0057] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as generally understood by those skilled in the art in the field to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless defined as herein.

[0058] In addition, in order to better illustrate the present invention, many specific details are given in the specific embodiments below, and those skilled in the art should understand that the present invention can also be implemented without certain specific details. In some examples, the principles of source modules well known to those skilled in the art are not described in detail in order to highlight the main purpose of the present invention.

[0059] To facilitate the understanding of the embodiments of the present invention, the following will further explain and illustrate several specific embodiments with reference to the accompanying drawings, and each embodiment does not constitute a limitation on the embodiments of the present invention.

[0060] Embodiment 1

[0061] Main reference Figures 1 to 6 In a possible embodiment, the post-loading treatment device 100 of the present invention mainly includes a base 1, a source module 2, a rotating component 3, a dividing component 4, a converging component 5, a takeover plate component 6 and a source applicator 7, wherein the base 1 is mainly used as a mounting carrier for components such as the dividing component 4 and the takeover plate 5, the source module 2 can provide a true source or a false source, one or more source modules 2 are arranged on the base through the rotating component 3, the rotating component is mainly used to realize the alignment of the source module 2 and the dividing component 4, the dividing component 4, the converging component 5 and the takeover plate component 6 are mainly used to cooperate to construct a path that enables the true source or the false source to accurately reach the source applicator 7.

[0062] In a possible embodiment, a dividing plate 41 and a take-over plate support 51 are provided on the base 1, and the rotating assembly 3 is provided on a first side ( Figure 1 The left side, the back), one or more source modules 2 can be set on the base through the rotating assembly, and the convergence layer of the indexing assembly 4 is set on the second side of the indexing plate 41 (( Figure 1 Obviously, those skilled in the art can determine the structural form of the base according to actual needs, such as reserving installation space for corresponding components on the integrally formed special-shaped structure.

[0063] In a possible embodiment, the rotating assembly 3 mainly includes a driving unit, a rotating frame 32 and a support shaft 33. In this embodiment, the support shaft 33 is fixedly arranged on the base 1. Exemplarily, the support shaft is a hollow cylindrical structure, and the rotating frame 32 is pivotally arranged on the support shaft 33. The driving unit can drive the rotating frame to rotate relative to the support shaft and the base.

[0064] In a possible embodiment, the driving unit mainly includes a driving component (actuator) 311 and a transmission mechanism. The driving component is connected to the rotating frame through the transmission mechanism, thereby driving the rotating frame to rotate relative to the base. For example, the driving component can be fixedly arranged on the rotating frame or the support shaft, and correspondingly, the transmission mechanism is arranged on the support shaft or the rotating frame. For example, the driving component can be a driving motor, a power cylinder (such as a hydraulic cylinder, a pneumatic cylinder, an electric cylinder, etc.), a rotating module (such as a combination of a motor and a gear pair, etc.), and the transmission mechanism can be a gear pair, a belt transmission mechanism, a connecting rod assembly, etc. As in this example, the driving component is installed on the support shaft, the transmission mechanism is a gear pair, and the gear pair includes a gear 3121 and a gear ring 3122. The power output shaft of the driving component is connected to the gear, and the gear ring is installed on the inner wall of the support shaft, and the gear can be meshed with the inner side of the gear ring.

[0065] In a possible embodiment, the rotating frame 32 is roughly annular in structure, and a plurality of source module mounting positions 321 are arranged on the rear surface of the annular structure along its circumference. The source modules can be detachably arranged in the source module mounting positions. For example, in this example, the source module mounting positions 321 include 7. Obviously, those skilled in the art can determine the structural form, number and distribution of the source module mounting positions according to actual needs.

[0066] In a possible embodiment, the source module can be arranged on the installation position in a push-pull manner. In this way, when the source module needs to be repaired, the source module can be pulled out, and after the repair is completed, the source module can be directly pushed in and locked, which is convenient to operate. For example, a first sliding structure 322 is provided at a position corresponding to each source module installation position, and accordingly, a second sliding structure that can be matched and connected with the first sliding structure is provided on the source module, so that the push-pull operation of the source module can be realized by the cooperation of the first sliding structure and the second sliding structure. As in this example, the first sliding structure is a double slide rail arranged on the installation position, and the second sliding structure can be a double slideway in cooperation with the double slide rail. Obviously, those skilled in the art can determine the specific form of the first / second sliding structure according to actual needs, such as the two can be swapped, the slide rail is set to slide along the vertical plane slide rail pair (the second sliding structure is located on the side of the source module), the combination of the slider and the slide rail, the combination of the slide groove and the shaft, etc. In addition, in addition to being push-pullable, the disassembly of the source module on the rotating frame can also be realized by other methods such as snap-in, engagement / disengagement switching by means of a clutch device, etc.

[0067] Main reference Figure 3 and Figure 4 In a possible embodiment, the indexing assembly 4 mainly includes a indexing plate 41, which is arranged on the base, and a through indexing hole 411 is arranged on the indexing plate along its circumference. The convergence assembly 5 mainly includes a convergence layer 51, and the convergence layer contains convergence pipes 511 equal to the number of the indexing holes on the indexing plate. The take-over plate assembly 6 includes a take-over plate 61 and a take-over plate bracket 62, the take-over plate 61 is arranged on the base through the take-over plate bracket 62, the take-over plate 51 is arranged at the end of the convergence layer (a side away from the indexing plate), and the take-over plate 61 is provided with a take-over hole 611 equal to the number of the convergence pipes. The support shaft 33 of the cylindrical structure is fixedly arranged on the first side (left side) of the indexing plate, and driven by the rotating assembly 3, the source hole on the source module 2 can be coaxially aligned with the indexing hole. As in the present embodiment, since the rotating frame is an annular structure, the indexing hole 411, the convergence pipe 511, and the take-over hole 611 all include a group distributed in a roughly annular structure.

[0068] Main reference Figure 5 In a possible implementation, the source module 2 mainly includes a cable winding mechanism 21, a source cable 22 carrying a radiation source 221, a source storage tank 23 and a support structure 24, wherein the source module can be provided with a source cable with a real source or a source cable with a dummy source. As in this example, the support structure is a roughly Z-shaped structure (mainly including an upper first transverse portion 241, a lower second transverse portion 242 and a vertical portion 243 connecting the two), a second sliding structure 2421 is provided below the second transverse portion, and the second sliding structure is a downwardly protruding track, and the cable winding mechanism is located on the first side of the vertical portion ( Figure 5 The source tank is installed on the second side of the vertical part ( Figure 5 The source storage tank is provided with a through hole for the source cable to enter and exit, and the source cable is arranged on the cable winding mechanism. Driven by the cable winding mechanism, the end of the source cable can be retracted into the source storage tank or extended out of the source storage tank by a certain length.

[0069] In this example, the cable winding mechanism 21 mainly includes a wheel axle 211, a cable wheel 212, a cable winding motor 213, a cable winding transmission mechanism 214, an emergency return source transmission mechanism 215, an emergency return source shaft 216, an emergency return source motor 217 and a manual return source handle 218, wherein the wheel axle is rotatably arranged on the first transverse portion of the support plate, and the portion of the wheel axle located above the first transverse portion is successively installed with a cable wheel and an emergency return source transmission device for winding the source cable from bottom to top, and the portion of the wheel axle located below the first transverse portion is connected to the cable winding motor through the cable winding transmission mechanism, and the cable winding motor can be installed on the support structure through a motor bracket, and the portion of the emergency return source shaft located above the first transverse portion is installed with a limited position frame, an emergency return source transmission and a manual return source handle, and the portion of the emergency return source shaft located below the first transverse portion is connected to the emergency return source motor through a clutch and a coupling, and the emergency return source motor can be installed on the support plate through a motor bracket, and the clutch is arranged between the emergency return source motor and the emergency return source transmission mechanism. As in this example, both ends of the roughly U-shaped limit frame are installed on the emergency return source shaft, which can limit the rotation range of the cable winding mechanism. In this embodiment, the cable winding motor drives the cable wheel to rotate through the wheel shaft, and the small gear above the cable wheel drives the large gear to rotate. There is a stopper on the large gear. When the source cable is just recovered to a certain position in the source storage tank, the stopper just abuts against the limit frame, thereby preventing the motor from malfunctioning and pulling the radiation source to the cable wheel. Based on this, emergency return to the source can include two ways: one is to control (such as remote control) the emergency return to the source motor, and the emergency return to the source motor drives the source wheel to rotate through the emergency return to the source transmission structure, winds the source cable and recovers the radiation source to the source storage tank. Specifically, when emergency return to the source is needed, the clutch engages the emergency return to the source motor and the emergency return to the source transmission mechanism, thereby transmitting the power of the emergency return to the source motor to the emergency return to the source shaft, so that the cable wheel is driven to rotate through the gear transmission, and the radiation source can be recovered to the source storage tank. The other is to manually rotate the manual source return handle, which drives the source wheel to rotate through the emergency source return transmission mechanism, winds the source cable and recovers the radiation source into the source storage tank. Obviously, this is only an exemplary description of the source module, and those skilled in the art can determine the specific form of the source module according to actual needs.

[0070] Main reference Figure 6The working principle of the afterloading treatment device 100 is as follows: the driving part of the rotating assembly drives the rotating frame 32 to rotate, so as to align each source module 2 with the corresponding indexing hole 411 on the indexing plate 41. Based on this, the radiation source (real source or dummy source) 221 can be controlled to reach the source applicator 7 through the set indexing hole 411 as planned. Specifically, the cable motor drives the cable wheel to rotate, so that the real source or the dummy source is driven by the source cable to extend out of the source storage tank, and passes through the indexing hole 411, the converging pipe 511, the connecting hole 611, and the source guide tube 71 in sequence to reach the source applicator 7, thereby reaching the irradiation position corresponding to this treatment.

[0071] Embodiment 2

[0072] Main reference Figures 7 to 11 In this embodiment, the rotating frame 32 includes three rotating frames 32, which are arranged in layers from the inside to the outside along the circumferential direction. Three rotating frames 32 are arranged on the support shafts 33 of three cylindrical structures, and each rotating frame is equipped with an independent driving part. For example, in this example, the driving part 311 of the driving part of the rotating frame corresponding to the outermost layer and the middle layer can be installed on one of the source module installation positions, and the driving part 311 of the driving part of the rotating frame corresponding to the innermost layer can be installed on the inner wall of the supporting shaft 33. In this example, the transmission mechanism is a gear pair, the power output shaft of the driving part is connected to the gear 3121 of the gear pair, and the gear ring 3122 of the gear pair is installed on the outer wall of the supporting shaft, and the gear can be meshed with the outer side of the gear ring. Correspondingly, the dividing plate 41 is provided with three layers of dividing holes 411 distributed in the radial direction, the converging layer 51 is provided with three layers of converging pipes 511 distributed in the radial direction, and the take-over plate 61 is provided with three layers of take-over holes 611 distributed in the radial direction. Other structures such as the source module 2 are similar to those in the first embodiment, and will not be repeated here.

[0073] Embodiment 3

[0074] Main reference Figure 12 to Figure 14In this embodiment, the rotating frames 32 arranged in layers along the radial direction are similar to those in the second embodiment, except that: the multi-layer rotating frames are fixedly connected or integrally formed. For example, in this embodiment, the multi-layer rotating frames are connected to each other through a connecting portion 323 of a plate-like structure, and a through hole 324 is provided on the connecting portion corresponding to the position of the source module to allow the source cable to pass through. The multi-layer rotating frames 32 share a driving part. For example, in this example, the rotating frame of the radial innermost layer has five source module installation positions, the middle layer has ten source module installation positions, and the rotating frame of the radial outermost layer has fifteen source module installation positions. A column 11 is provided on the base 1, and a driving component 311 is installed on the column 11. The power output end of the driving component 311 is connected to the support shaft 33, and the support shaft 33 is pivotally provided on the dividing plate 41. The support shaft 33 is fixedly connected to the combination of multiple rotating frames 32. As in this example, the support shaft 33 is fixedly connected to the radially innermost rotating frame 32 . For example, the radially innermost rotating frame is substantially a columnar structure, and the center of the columnar structure has an axial hole 325 that can cooperate with the support shaft 33 .

[0075] Embodiment 4

[0076] Main reference Fig.15 and Fig.16 Different from the aforementioned embodiment 1, in this embodiment, the convergence component 5 and the pipe assembly 6 are omitted between the downstream side of the indexing component 4 and the source applicator 7, and the source application path of the radiation source can be constructed by directly connecting the upstream end of the source conduit 71 to the indexing hole 411 of the indexing component 4. It can be understood that the construction method of the source application path in this embodiment is also applicable to the aforementioned embodiments 2 and 3. In other words, the source application paths of embodiments 2 and 3 can also be simplified. On this basis, according to actual needs, multiple source modules 2 are configured for the afterloading treatment device 100 of the multi-layer rotating frame 32.

[0077] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. An afterloading treatment device, characterized in that: The afterloading treatment device comprises: matrix; A plurality of source modules, wherein the source modules are used to place real sources or fake sources; A rotating assembly, which is disposed on the base and includes a rotating frame, on which a plurality of source module installation positions are disposed, and the source module can be rotatably disposed on the base through the rotating assembly; and An indexing assembly, comprising a indexing plate and a plurality of indexing holes disposed on the indexing plate and corresponding to the plurality of source modules; Among them, observing along the source application path of the real source or the false source, the dividing component is arranged on the downstream side of the rotating component.

2. The afterloading treatment device according to claim 1, characterized in that: The afterloading treatment device also includes: A converging component, comprising a converging layer and a plurality of converging pipes disposed on the converging layer and corresponding to the plurality of indexing holes; and A pipe assembly, comprising a pipe plate support and a plurality of pipe plate holes arranged on the pipe plate support and corresponding to the plurality of converging pipes; Wherein, the converging component is located between the dividing component and the taking-over component.

3. The afterloading treatment device according to claim 2, characterized in that: The afterloading treatment device comprises a driving unit, and the driving unit comprises: Drive components; A support shaft, which is arranged on the base; The driving component can drive the rotating frame to rotate through the supporting shaft and thus drive the source module disposed on the rotating frame to move.

4. The afterloading treatment device according to claim 3, characterized in that: The rotating frame is an annular structure, and the driving component can drive the rotating frame to rotate around its axis.

5. The afterloading treatment device according to claim 4, characterized in that: The rotating frame includes one or more annular structures distributed along the radial direction. One or more of the support shafts corresponding to one or more of the rotating frames are fixedly arranged on the base body, The one or more driving components corresponding to the one or more rotating frames can drive the plurality of rotating frames to rotate relative to the corresponding supporting shafts in a mutually independent manner.

6. The afterloading treatment device according to claim 5, characterized in that: The support shaft is a cylindrical structure, and the rotating frame is arranged on the outer wall of the support shaft. The driving unit further includes a transmission mechanism, and the transmission mechanism includes: a gear connected to a power output end of the driving component; and A gear ring is arranged on the inner wall or the outer wall of the cylindrical structure, and the gear can mesh with the gear ring, so that the driving component is rotatably connected with the support shaft through the transmission mechanism.

7. The afterloading treatment device according to claim 4, characterized in that: The rotating frame includes one or more annular structures distributed along the radial direction. The support shaft is fixedly arranged on the rotating frame, In the case where the annular structure includes one, the driving component can drive the support shaft and the rotating frame to rotate synchronously; In the case where the annular structure includes a plurality of annular structures, the driving component can drive the support shaft and the plurality of annular structures to rotate synchronously.

8. The afterloading treatment device according to claim 4, characterized in that: The rotating frame includes one or more annular structures distributed along the radial direction. In the case where the rotating frame includes multiple ones, the dividing plate is provided with multiple groups of dividing holes corresponding to the multiple annular structures, the converging layer is provided with multiple groups of converging pipes corresponding to the multiple annular structures, and the taking-over plate bracket is provided with multiple groups of taking-over plate holes corresponding to the multiple annular structures.

9. The afterloading treatment device according to claim 1, characterized in that: The source module can be detachably arranged at the source module installation position.

10. The afterloading treatment device according to claim 9, characterized in that: The rotating frame is provided with a first sliding structure at a position corresponding to the source module installation position. The source module includes: a supporting structure on which a second sliding structure is disposed; and Source tank, which can provide true source or false source; The source module can be arranged at the source module installation position in a push-pull manner by means of the sliding connection between the first sliding structure and the second sliding structure.

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