CN212593544U

CN212593544U - Radiotherapy equipment

Info

Publication number: CN212593544U
Application number: CN202020654557.8U
Authority: CN
Inventors: 陈方正; 李大梁
Original assignee: Our United Corp
Current assignee: Our United Corp
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-02-26
Anticipated expiration: 2030-04-26

Abstract

The embodiment of the application provides a radiotherapy equipment, including source of radiation device, treatment bed and shielding storehouse, form the treatment chamber in the source of radiation device, the one end of source of radiation device has the confession the treatment bed business turn over the opening in treatment chamber, the treatment chamber with the one end that the opening is relative is sealed, the shielding storehouse sets up radiotherapy equipment's periphery, right the produced ray of radiotherapy equipment is shielded. According to the embodiment of the application, the shielding bin is arranged at the periphery of the radiotherapy equipment, and the shielding bin is used for at least partially shielding scattered rays generated in the radiotherapy equipment, so that the radiation shielding requirement on a special machine room can be reduced or the dependence of the radiotherapy equipment on the special machine room is eliminated.

Description

Radiotherapy equipment

Technical Field

The application relates to the technical field of medical treatment, in particular to radiotherapy equipment.

Background

With the development of medical technology, radiation has become an important means in medical diagnosis and treatment, and radiation is emitted from a radiation source, and the radiation can penetrate through a human body from different angles to diagnose and treat a patient. Since the radiation diagnosis or treatment apparatus has radioactivity, the radiation may cause injury to the operator or other personnel when performing the diagnosis or treatment, and therefore, in the existing facilities for placing the radiation treatment apparatus, the house for accommodating the radiation treatment apparatus needs to be modified to provide sufficient radiation shielding to ensure that no injury is caused to the operator or other personnel.

SUMMERY OF THE UTILITY MODEL

In view of the above, one of the technical problems to be solved by the embodiments of the present application is to provide a radiation therapy apparatus, which overcomes at least some of the problems in the prior art.

The embodiment of the application provides a radiotherapy equipment, radiotherapy equipment includes source device, treatment bed and shielding storehouse, form the treatment chamber in the source device, the one end of source device has the confession the treatment bed business turn over the opening in treatment chamber, the treatment chamber with the one end that the opening is relative is sealed, the shielding storehouse sets up radiotherapy equipment's periphery, right the produced ray of radiotherapy equipment is shielded.

It can be seen by above technical scheme that this application embodiment radiotherapy equipment, including source of radiation device, treatment bed and shielding storehouse, form the treatment chamber in the source of radiation device, the one end of source of radiation device has the confession the treatment bed business turn over the opening in treatment chamber, the treatment chamber with the one end that the opening is relative is sealed, the shielding storehouse sets up radiotherapy equipment's periphery, right the produced ray of radiotherapy equipment is shielded. According to the embodiment of the application, the shielding bin is arranged at the periphery of the radiotherapy equipment, and the shielding bin is used for at least partially shielding scattered rays generated in the radiotherapy equipment, so that the radiation shielding requirement on a special machine room can be reduced or the dependence of the radiotherapy equipment on the special machine room is eliminated.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of a radiation therapy device according to an embodiment of the present application;

FIG. 2 is a schematic view of another radiation therapy apparatus according to an embodiment of the present application;

FIG. 3 is a schematic view of another embodiment of a radiotherapy apparatus according to the present application;

FIG. 4 is a schematic view of a radiation therapy device according to an embodiment of the present application;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic view of a radiation therapy device according to an embodiment of the present application;

FIG. 7 is a schematic diagram of a shield cartridge and a shield layer coupled by an adapting structure according to an embodiment of the present application;

FIG. 8 is a schematic diagram of a shield cartridge coupled to a shield layer via an intermediate connector according to an embodiment of the present application;

FIG. 9 is a schematic structural diagram of an intermediate connecting member according to an embodiment of the present application;

FIG. 10 is a schematic structural diagram of a shielding bin formed by splicing shielding shell segments according to an embodiment of the present disclosure;

FIGS. 11a-11f are schematic diagrams of different shielding shell segments spliced to form a shielding cage according to embodiments of the present disclosure;

FIG. 12 is a schematic diagram of a plurality of shielding shell segments spliced together by an adapter structure according to an embodiment of the present application;

FIG. 13 is a schematic view of a patient portal in an embodiment of the present application;

FIGS. 14a-14b are schematic views of a suspension roller configuration in an embodiment of the present application;

FIG. 15 is a schematic structural view of an operation port in an embodiment of the present application;

FIG. 16 is a schematic structural view of an isolation bin in an embodiment of the present application;

FIG. 17 is a schematic structural view of an isolation bin in an embodiment of the present application;

FIG. 18 is a schematic view of the structure of the revolving door in the embodiment of the present application;

FIG. 19 is a schematic structural diagram of a fresh air system in an embodiment of the present application;

FIG. 20 is a schematic view of a structure of a source carrier of a source device according to an embodiment of the present application for uniformly distributing a plurality of radioactive sources;

FIG. 21 is a schematic view of a concentrated arrangement of multiple radioactive sources in a source carrier of a radiation source apparatus according to an embodiment of the present application;

fig. 22 is a schematic structural view of an optical monitoring system installed on a treatment couch according to an embodiment of the present application.

1. A radiation source device; 11. a treatment cavity; 111. an opening; 112. a closed end; 113. shielding and blocking; 12. A carrier; 121. a radioactive source; 1211. a radiation source group; 13. a collimating body; 131. a collimating aperture; 14. A shielding layer; 15. an inlet; 2. a treatment couch; 21. a moving bed body; 22. a base; 3. a shielding bin; 33. A first groove; 34. a second groove; 3', a shield housing segment; 5. a patient access; 53. a first hand crank; 51. a first top roller; 52. a first bottom slide rail; 6. an operation port; 7. an isolation bin; 71. A hollow cavity; 72. an outer door; 73. a third hand crank; 8. an optical monitoring system.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.

Radiotherapy equipment is applied to tumor treatment, because the radiotherapy equipment kills tumor cells through the radiation rays that are sent out, treats the patient. Therefore, it is generally required to place the radiotherapy apparatus in a dedicated machine room having a radiation shielding capability to prevent the radiation rays from causing damage to the operator or other personnel, and the construction period and the construction cost of the dedicated machine room limit the wide application of the radiotherapy apparatus.

The embodiment of the present application provides a radiotherapy apparatus, as shown in fig. 1 and 2, comprising:

a radiation source device 1, wherein a treatment cavity 11 is formed in the radiation source device 1, one end of the radiation source device 1 is provided with an opening 111 for the treatment couch to enter and exit the treatment cavity, and the end of the treatment cavity 11 opposite to the opening 111 is a closed end 112;

a treatment couch 2 for carrying and moving a patient into or out of the treatment chamber 11;

and the shielding bin 3 is arranged at the periphery of the radiotherapy equipment and is used for shielding rays generated by the radiotherapy equipment.

According to the embodiment of the application, the shielding bin is arranged at the periphery of the radiotherapy equipment, and the shielding bin is used for at least partially shielding scattered rays generated in the radiotherapy equipment, so that the radiation shielding requirement on a special machine room can be reduced or the dependence of the radiotherapy equipment on the special machine room is eliminated.

In the embodiment of the present application, as shown in fig. 1, the radiation source device 1 includes a source carrier 12 and a collimating body 13, the source carrier 12 and the collimating body 13 are both of a hemispherical structure, the collimating body 13 is disposed inside the source carrier 12, an inner cavity of the collimating body 13 forms a treatment cavity 11 of the radiation source device, the treatment cavity 11 is used for accommodating a patient, a radiation source 121 is disposed on the source carrier 12, a collimating hole 131 corresponding to the radiation source is disposed on the collimating body 13, and a ray emitted by the radiation source 121 passes through the collimating hole 131 and focuses on a focus O in the treatment cavity 11. The open ends of the hemispherical source carrier 12 and the collimating body 13 are used for the treatment couch 2 to enter and exit the treatment cavity 11, so as to form an opening 111 of the treatment cavity 11, and the closed ends of the hemispherical source carrier 12 and the collimating body 13 form a closed end 112 of the treatment cavity 11.

In the embodiment of the present application, as shown in fig. 2, the radiation source device 1 includes a source carrier 12 and a collimating body 13, the source carrier 12 and the collimating body 13 are both hollow cylindrical structures (for example, a conical cylinder), the collimating body 13 is disposed inside the source carrier 12, an inner cavity of the collimating body 13 forms a treatment cavity 11 of the radiation source device 1, the treatment cavity 11 is used for accommodating a patient, a radiation source 121 is disposed on the source carrier 12, a collimating hole 131 corresponding to the radiation source 121 is disposed on the collimating body 13, and a radiation emitted by the radiation source 121 passes through the collimating hole 131 and focuses on a focus O in the treatment cavity 11. The one end of the hollow cylindrical source carrier 12 and the collimating body 13 is used for the treatment bed 2 to pass in and out the treatment cavity 11 to form the opening 111 of the treatment cavity 11, the other end of the hollow cylindrical source carrier 12 and the collimating body 13 is blocked by the shielding block 113, and the closed end 112 of the treatment cavity 11 is formed.

In one embodiment of the present application, the shielding chamber is disposed around the radiation source device and the treatment couch to form a non-enclosed body for shielding the radiation generated by the radiotherapy apparatus.

The treatment bed comprises a movable bed body and a base.

As shown in fig. 1 and 2, the movable bed 21, the base 22 and the radiation source device 1 of the treatment couch 2 are enclosed by the shielding bins 3 from the front, left and right sides of the radiotherapy apparatus, the rear side of the radiotherapy apparatus is open, and the shielding bins 3 are used for shielding the radiation scattered from the front, left and right sides of the radiation source device.

Although the shielding bin does not shield the radiation rays scattered out from the rear side of the radiation source device, the requirements of radiotherapy equipment on a machine room are at least reduced, the shielding of the radiation equipment scattered radiation can be realized only by performing radiation shielding transformation on the wall surface opposite to the rear side of the radiation source device, the period for building the machine room is shortened, and the cost for building the machine room is reduced.

In addition, because the motion bed body 21 and the base 22 of treatment bed 2 are all covered and are located shielding storehouse 3, the space that supplies the patient to use in the whole shielding storehouse 3 increases, helps alleviateing patient's claustrophobia symptom.

The form of the non-enclosed shielding bin is not limited in the embodiment of the present application, and the non-enclosed shielding bin may also be set to be in a form that the front side is open, or the rear side is open, or the left side is open, which is not limited in the embodiment of the present application.

In an embodiment of the present application, the shielding chamber is disposed at the periphery of the radiation source device and the treatment couch to form an enclosure for shielding the radiation generated by the radiotherapy apparatus.

The treatment bed comprises a movable bed body and a base.

As shown in fig. 3, the shielding chamber 3 completely covers the source device 1, the moving bed 21 and the base 22 therein, that is: the shielding chamber 3 is arranged around the radiotherapy equipment to form an enclosure. The shielding bin 3 is capable of shielding radiation scattered from the front, left, back, and right sides of the source arrangement.

The embodiment of the application forms self-shielding to the radiotherapy equipment by arranging the closed shielding bins around the radiotherapy equipment, thereby saving the requirement on a special machine room, and the self-shielding radiotherapy equipment can be placed at any position, so that the application scene of the radiotherapy equipment is enlarged.

This application embodiment the source device includes the shielding layer, the shielding storehouse has an at least entry, the entry is the third shield door that can open and shut, the third shield door that can open and shut sets up the shielding storehouse is just right the position of source device shielding layer, just the opening size of third shield door that can open and shut is less than the size of source device shielding layer on source device axial direction.

As shown in fig. 4 and 5, the source device carrier 12 is provided with a shielding layer 14 on the outer side for surrounding the carrier 12 and shielding the radiation scattered from the left, right, rear and upper sides of the source device 1, the shielding chamber 3 completely covers the source device 1, the moving bed 21 and the base 22 therein, the shielding chamber 3 has an entrance 15, the entrance 15 is a third openable and closable shielding door, the third openable and closable shielding door is provided on the side wall of the shielding chamber 3 and faces the source device shielding layer 14, the opening dimension a of the third openable and closable shielding door (i.e. the dimension of the third openable and closable shielding door along the axial direction of the source device) is smaller than the dimension B of the source device shielding layer 14 along the axial direction of the source device, so that when the third openable and closable shielding door is opened, the radiation at the opening is shielded by the source device shielding layer 14, the radiation rays in the shielding bin 3 cannot leak from the opening of the third openable shielding door.

An interface F between the third openable and closable shielding door and the shielding bin 3 is a non-straight-surface splicing interface so as to ensure that radiation rays cannot leak from the interface between the shielding door and the shielding bin. As shown in fig. 5, the non-straight-surface splicing interface F may be a V-shaped surface, or may also be a curved surface, an S-surface, or a stepped surface.

In an embodiment of the present application, the radiation source device includes a shielding layer, the shielding chamber is covered on the periphery of the treatment couch, and the shielding layer is coupled with the shielding chamber to form an enclosure for shielding the radiation generated by the radiotherapy apparatus.

As shown in fig. 6, a shielding layer 14 is disposed outside the source carrier 12 of the source device for surrounding the source carrier 12 so as to shield the radiation scattered from the left, right, back and upper sides of the source device, the shielding bin 3 is disposed around the treatment couch 2 to enclose the moving couch body 21 and the base 22 of the treatment couch, and the shielding bin 3 forms an enclosure by being coupled (coupling means direct connection or indirect connection) with the shielding layer 14 to shield the radiation scattered from the radiotherapy apparatus.

The embodiment of the application forms the closed shielding bin through the combination of the shielding bin and the shielding layer, and forms the self-shielding for the radiotherapy equipment, thereby saving the requirement for a special machine room, and the self-shielding radiotherapy equipment can be placed at any position, so that the application scene of the radiotherapy equipment is enlarged.

In the embodiment of the present application, the shielding bin 3 is detachably coupled to the shielding layer 14, or the shielding bin 3 and the shielding layer 14 are integrally formed. Namely: the shielding bin 3 can be separated from the radiation source device 1 and used as an accessory of radiotherapy equipment and installed according to the requirements of users; alternatively, the shielding magazine 3 may be integrally formed with the radiation source arrangement 1 as an inherent component of the radiotherapy apparatus.

In the embodiment of the application, the shielding bin is in adaptive connection with the shielding layer through an adaptive structure, so that coupling is realized.

As shown in fig. 7, the shielding bin 3 is connected with the shielding layer 14 in an adaptive manner through a non-straight-surface splicing interface F, the adaptive structure is the non-straight-surface splicing interface F, as shown in fig. 7, the non-straight-surface splicing interface F can be a step surface, and can also be a curved surface, an S surface, a V-shaped surface and the like. The embodiment of the application is not limited to the non-straight-surface splicing interface, and can also be realized by adopting other non-straight-surface splicing interfaces. The non-straight-surface splicing interface can adopt the same interface form to realize adaptive connection and also can adopt different interface forms to realize adaptive connection. The embodiment of the application realizes the connection between the shielding bin and the shielding layer through the non-straight-surface splicing interface so as to ensure that the ray leakage does not occur from the interface between the shielding bin and the shielding layer.

In the embodiment of the application, the shielding bin is connected with the shielding layer through an intermediate connecting piece to realize coupling. The middle connecting piece is used as a bridging piece for connecting the shielding bin and the shielding layer, and the shielding bin and the shielding layer are connected through the middle connecting piece.

As shown in fig. 8, the intermediate connecting member 4 is in fit connection with the shielding bin 3 through a fitting structure; or, the intermediate connecting member 4 is in adaptive connection with the shielding layer 14 through an adaptive structure; or, the intermediate connecting member 4 is in fit connection with the shielding bin 3 and the shielding layer 14 through a fit structure. This application embodiment, through adopting intermediate junction spare 4 to realize being connected between shielding storehouse 3 and the shielding layer 14 to overcome the mismatch nature between shielding storehouse 3 and the shielding layer 14, improve the commonality in shielding storehouse. The adaptive structure is a non-straight-surface splicing interface F, as shown in fig. 9, the non-straight-surface splicing interface F is an S surface, and can also be a curved surface, a step surface, a V-shaped surface and the like. The embodiment of the application is not limited to the non-straight-surface splicing interface, and can also be realized by adopting other non-straight-surface splicing interfaces as long as the interface can be ensured to have no ray leakage. The non-straight-surface splicing interface can adopt the same interface form to realize adaptive connection and also can adopt different interface forms to realize adaptive connection.

In one embodiment of the present application, as shown in fig. 10, the shielding cage 3 comprises a plurality of shielding shell segments 3'. The embodiment of the application can realize that the shielding bin 3 is formed by a plurality of shielding shell fragments 3', so that the transportation of the shielding bin 3 is more convenient.

In the embodiment of the present application, the shielding bins 3 are formed by detachably splicing the plurality of shielding shell segments 3'. The embodiment of the application realizes the assembly of the plurality of shielding shell segments 3' in a detachable splicing mode, so that the shielding bin 3 is simpler to install and more diversified and flexible in use places.

Meanwhile, a plurality of shielding shell segments 3' which are detachably spliced are adopted to form a shielding bin 3, and the shape and the occupied space of the shielding bin can be adjusted according to the installation place and the treatment requirement of radiotherapy equipment. Referring to fig. 11a-11 b, the embodiment of the present application requires changing the shape of the shielding bin 3, and only needs to increase or decrease the number of the shielding shell segments 3'. Referring to fig. 11c to 11d, the embodiment of the present application needs to enlarge or reduce the occupied space of the shielding bin 3, and only needs to increase or decrease the number of the shielding shell segments 3'.

Referring to fig. 11 e-11 f, the embodiment of the present application may also adjust the shape and the occupied space of the shielding bin by adding or reducing the shielding shell segment 3 'with a different size or shape from the original shielding shell segment 3'.

In order to avoid the radiation in the shielding bin from leaking through the gaps between the shielding shell segments, as shown in fig. 12, the interfaces of the shielding shell segments are non-straight splicing interfaces F.

Specifically, referring to fig. 12, the non-straight surface splicing interface F of the plurality of shielding shell segments 3' may be a curved surface, or may be an S surface, a step surface, a V-shaped surface, or the like.

The interfaces described in the embodiments of the present application may adopt the same interface or different interfaces.

The embodiment of the application is not limited to the above interface, and can be realized by splicing other non-straight interfaces as long as the interface is ensured to be free from ray leakage.

The shielding bin is made of metal materials with shielding effects, such as steel materials, lead materials and tungsten materials.

In one embodiment of the present application, referring to fig. 13, the shielded enclosure has at least one patient access opening 5, the patient access opening 5 allowing a patient to enter and exit the shielded enclosure 3.

The number of the patient inlets 5 can be one or more, and the patient inlets 5 can be arranged on the same side or different sides of the shielding chamber 3.

The embodiments of the present application are not limited to having the patient entrance, and the patient may enter the shielding chamber by other means, such as entering the shielding chamber when the shielding shell segments are not spliced, entering the shielding chamber by a tunnel of the installation position of the radiotherapy equipment, and the like.

In particular, the patient access 5 is a first openable and closable shielding door. That is, the patient can enter and exit through the opening of the first openable and closable shielding door, and the ray shielding is realized through the closing of the first openable and closable shielding door.

The first openable and closable shielding door is arranged at the position of the shielding bin close to the treatment bed 2, so that a patient can conveniently arrive at the treatment bed as soon as possible.

The first openable and closable shielding door is arranged on the side surface or the tail end of the treatment bed 2. The first openable and closable shielding door is arranged on the side surface of the treatment bed 2, so that a patient can conveniently go up and down the treatment bed. The first openable and closable shielding door is arranged at the tail end of the treatment bed 2, so that the treatment bed can be pulled manually in an emergency, and the treatment bed can rapidly pass through the first openable and closable shielding door and is pulled out of the shielding bin.

In order to realize the opening and closing operation of the first openable and closable shield door, the first openable and closable shield door is opened in an electric mode and/or a manual mode.

The opening and closing operation of the first openable and closable shielding door can be realized in an electric and manual combination mode.

For example, the first openable and closable shield door is opened and closed in an electric manner, and when a fault occurs or the radiotherapy equipment needs emergency operation, the first openable and closable shield door is opened manually.

Specifically, the first openable and closable shielding door is one of a sliding door, a rolling door and a side opening door.

When the first openable and closable shielding door is multiple, different doors can be adopted, and the same door can also be adopted.

According to the embodiment of the application, the first openable and closable shielding door can select the form of the door and the opening and closing direction of the door according to the installation place of the radiotherapy equipment and the use state of the radiotherapy equipment.

And if the mounting position of the radiotherapy equipment is close to the wall surface, selecting a rolling door or a sliding door as a first openable shielding door.

The radiation therapy equipment is installed the inner space of shielding storehouse is limited, then select rolling slats door or push-and-pull door as first shield door that can open and shut, perhaps select the side door of opening outward.

The first openable and closable shielding door is a sliding door, and the manual opening is realized by adopting a manual operation guide or rolling structure (namely, the first openable and closable shielding door is manually pushed and pulled by virtue of the guide or rolling structure so as to realize the opening and closing of the first openable and closable shielding door) or a hand-operated driving mode (namely, a transmission system of the first openable and closable shielding door is driven by the hand-operated mode so as to further drive the first openable and closable shielding door to realize the opening and closing of the first openable and closable shielding door).

In order to realize better opening and closing operation, reduce friction and increase the smooth feeling of opening and closing, the guiding or rolling structure is a suspension roller structure.

Referring to fig. 14a and 14b, the suspension roller structure includes a first top roller 51 at the top end of the screen door 5 ' and a first bottom sliding rail 52 at the bottom of the screen door 5 ', the first top roller 51 is located in a first groove 33 in the screen cabin 3, the first bottom sliding rail 52 is located in a second groove 34 in the screen cabin 3 or the ground, and the screen door 5 ' is opened and closed by the left and right relative movement of the first top roller 51 and the first bottom sliding rail 52 with respect to the screen cabin 3.

This application embodiment passes through first top gyro wheel 51 and the first bottom slide rail 52 of shield door 5' bottom realizes opening or closing of first shield door that can open and shut can realize the smoothness that first shield door that can open and shut opens and shuts is opened and shut, and this kind of hanging gyro wheel structure maintenance is simple, convenient to use.

Referring to fig. 14b, the hand-cranking driving manner is to perform a hand-cranking operation through a first hand crank 53 coupled (directly or indirectly connected) to the first openable and closable shield door, and send a driving force generated by the hand-cranking operation to the first openable and closable shield door to control the opening and closing of the first openable and closable shield door.

This application embodiment can be through hand dynamics and speed control first shield door speed of opening and shutting makes first shield door that can open and shut break down perhaps radiotherapy equipment breaks down, needs carry out emergency operation when opening or closing of first shield door that can open and shut, realize rapidly through hand operation first shield door operation of opening and shutting.

The first hand crank 53 is not limited to a mounting position in the embodiment of the present application, as long as the driving force generated by the hand cranking operation can be transmitted to the first openable and closable shield door to control the opening and closing thereof.

The interface between the first openable and closable shielding door and the shielding bin is a non-straight-surface splicing interface.

In order to avoid leakage of rays in the shielding bin through a gap between the first openable shielding door and the shielding bin, an interface between the first openable shielding door and the shielding bin is a non-straight-surface splicing interface. Specifically, the interface between the first openable and closable shielding door and the shielding bin is one of a curved surface, an S surface, a step surface and a V-shaped surface.

The interfaces described in the embodiments of the present application may adopt the same interface or different interfaces. The embodiment of the application is not limited to the above interface, and can be realized by splicing other non-straight interfaces as long as the interface is ensured to be free from ray leakage.

In an embodiment of the present application, referring to fig. 15, the shielding chamber 3 has at least one operation opening 6, and the operation opening 6 is used for an operator to enter and exit the shielding chamber.

The operation port 6 may be present in the shielding chamber 3 together with the patient inlet 5 in the embodiment, or only the patient inlet 5 or only the operation port 6 may be present in the embodiment.

The operation opening 6 is a second openable and closable shielding door.

Namely, the operator can enter and exit through the opening of the second openable and closable shielding door, and the ray shielding is realized through the closing of the second openable and closable shielding door.

In this application embodiment, the second openable and closable shielding door is arranged at a position close to the radioactive source, so that an operator can conveniently enter the shielding bin to open and close the radioactive source or maintain the radioactive source.

In order to realize the opening and closing operation of the second openable and closable shielding door, the second openable and closable shielding door is opened in an electric mode and/or a manual mode.

The opening and closing operation of the second openable and closable shielding door can be realized in an electric and manual combination mode.

For example, the second openable and closable shield door is opened and closed in an electric manner, and when a fault occurs or the radiotherapy equipment needs emergency operation, the second openable and closable shield door is opened manually.

Specifically, the second openable and closable shielding door is one of a sliding door, a rolling door and a side opening door.

When the second openable and closable shielding door is multiple, different doors can be adopted, and the same door can also be adopted.

According to the embodiment of the application, the second openable and closable shielding door can select the form of the door and the opening and closing direction of the door according to the installation place of the radiotherapy equipment and the use state of the radiotherapy equipment.

For example, if the radiation therapy device needs to be installed at a position close to the wall surface, a rolling door or a sliding door is selected as the second openable shielding door.

For example, if the radiation therapy equipment has a limited internal space for installing the shielding chamber, a rolling door or a sliding door is selected as the second openable shielding door, or an outward opening side door is selected.

Specifically, the second openable and closable shielding door is a sliding door, and the manual opening is realized by adopting a manual operation guide or rolling structure (i.e., the second openable and closable shielding door is manually pushed and pulled by means of the guide or rolling structure to realize the opening and closing of the second openable and closable shielding door) or a hand-operated driving mode (i.e., a transmission system of the second openable and closable shielding door is driven by a hand-operated mode to further drive the second openable and closable shielding door to realize the opening and closing of the second openable and closable shielding door).

Similar to the first shield door that can open and shut, the suspension roller structure that the second shield door that can open and shut adopted includes in the second top gyro wheel on second shield door top and in the second bottom slide rail of second shield door bottom that can open and shut, the second top gyro wheel is located in the third recess in the shielding storehouse, second bottom slide rail is located in the fourth recess on shielding storehouse or ground, the second shield door that can open and shut passes through the second top gyro wheel and the second bottom slide rail realize with the relative movement about the shielding storehouse opens and shuts.

The embodiment of the application passes through second top gyro wheel and the second bottom slide rail of shield door bottom is realized opening or closing of second shield door that can open and shut can be in the realization the second can open and shut the smooth of opening and shutting of shield door, and this kind of gyro wheel structure that hangs maintains simply convenient to use.

The hand-operated driving mode is to carry out hand-operated operation through a second hand crank coupled (directly or indirectly connected) with the second openable and closable shielding door, and to send the driving force generated by the hand-operated operation to the second openable and closable shielding door, so as to control the opening and closing of the second openable and closable shielding door.

This application embodiment can be through hand dynamics and speed control the second shield door speed of opening and shutting is the second shield door that can open and shut breaks down or radiotherapy equipment breaks down, needs carry out emergency operation the second shield door that can open and shut opens or when closing, realizes rapidly through hand operation the second shield door that can open and shut operation.

The embodiment of the present application is not limited to the installation position of the second handle, and may be any position as long as it can transmit the driving force generated by the hand cranking operation to the second openable and closable shield door to control the opening and closing thereof.

The interface between the second openable and closable shielding door and the shielding bin is a non-straight-surface splicing interface.

In order to avoid that rays in the shielding bin are leaked and emitted through a gap between the second openable shielding door and the shielding bin, an interface between the second openable shielding door and the shielding bin is a non-straight-surface splicing interface. Specifically, the interface between the second openable and closable shielding door and the shielding bin is one of a curved surface, an S surface, a step surface and a V-shaped surface.

In an embodiment of the present application, in order to further prevent radiation rays from being leaked when the first openable and closable shield door or the second openable and closable shield door is opened, as shown in fig. 16, the first openable and closable shield door and/or the second openable and closable shield door has a separation bin 7, and the separation bin 7 separates leaked rays when the first openable and closable shield door or the second openable and closable shield door is opened.

In the embodiment of the present application, the isolation bin 7 isolates the radiation ray leaked when the first openable and closable shielding door or the second openable and closable shielding door is opened, so as to achieve a better radiation shielding effect.

In particular, the isolation chamber 7 may be for any first openable and closable screen door and second openable and closable screen door, such as one of a sliding door, a rolling door, and a side door. The isolation bin 7 may be disposed corresponding to the first openable and closable shield door and/or the second openable and closable shield door, that is, the isolation bin 7 may be disposed separately for the first openable and closable shield door and the second openable and closable shield door, or one isolation bin 7 may be disposed for the first openable and closable shield door and the second openable and closable shield door.

As shown in fig. 16, the isolation chamber 7 is disposed at the outer sides of the first openable and closable shield door and the second openable and closable shield door in the shield chamber 3, so as to shield the radiation leakage when the first openable and closable shield door or the second openable and closable shield door is opened, but the isolation chamber 7 is not limited to be disposed at the outer sides of the first openable and closable shield door and the second openable and closable shield door, and may be disposed at other positions, such as the inner sides of the first openable and closable shield door and the second openable and closable shield door.

Referring to fig. 16, the isolation chamber 7 includes a hollow cavity 71 disposed outside the first openable and closable shield door and the second openable and closable shield door, before the first openable and closable shield door or the second openable and closable shield door is opened, an operator enters the hollow cavity 71 to wait for the opening of the first openable and closable shield door or the second openable and closable shield door, when the first openable and closable shield door or the second openable and closable shield door is opened, the operator rapidly enters the shield chamber 3, and when the first openable and closable shield door or the second openable and closable shield door is opened, radiation rays leaking through the opening of the first openable and closable shield door or the second openable and closable shield door are shielded by a chamber wall of the isolation chamber 7.

The hollow cavity 71 in the embodiment of the present application may be a closed cavity or a non-closed cavity.

As shown in fig. 17, in order to further isolate the leaking rays when the first openable and closable shielding door or the second openable and closable shielding door is opened, the isolation chamber 7 further includes an outer door 72 entering the hollow cavity 71.

The outer door 72 may be one of a sliding door, a rolling door, and a side door. The outer side door can be one or more, and can also be a plurality of different doors, and only the leakage ray when the first openable and closable shielding door and the second openable and closable shielding door are opened can be isolated.

In order to realize the opening and closing operation of the outer door, the outer door is opened in an electric mode or a manual mode.

The embodiment of the application can also adopt an electric mode and a manual mode to realize the opening and closing operation of the outer door.

For example, the outer door is electrically opened and closed, and when a fault occurs or the radiotherapy equipment needs to be emergently operated, the outer door is manually opened and closed.

Referring to fig. 18, in an embodiment of the present application, the first openable and closable shielding door and/or the second openable and closable shielding door is a revolving door, the revolving door has a shielding bin 7, and the first openable and closable shielding door and/or the second openable and closable shielding door implement shielding of radiation leakage when an operator enters the shielding bin 3 through the shielding bin 7 in the revolving door.

The revolving door is opened in an electric mode or a manual mode.

The embodiment of the application can also realize the opening and closing operation of the revolving door in a mode of combining electric operation and manual operation.

For example, the revolving door is electrically operated to realize the revolving opening and closing operation, and when a fault occurs or the radiotherapy equipment needs emergency operation, the revolving opening and closing operation of the revolving door is manually opened.

Referring to fig. 18, the hand-operated driving manner is to perform a hand-operated operation through a third hand handle 73 coupled (directly or indirectly connected) to the revolving door, and transmit a driving force generated by the hand-operated operation to the revolving door to control the opening and closing of the revolving door.

This application embodiment can be through hand dynamics and speed control the revolving door speed of opening and shutting is the revolving door breaks down or radiotherapy equipment breaks down, needs carry out emergency operation the opening of revolving door or when closing, realize rapidly through hand operation the revolving door operation of opening and shutting.

This application embodiment is to the mounted position of third crank 73 is not restricted, as long as can realize with the drive power of hand operation production send to it can open and shut to the revolving door control.

The interface between the revolving door and the shielding bin is a non-straight surface splicing interface.

In order to avoid the leakage of rays in the shielding bin through a gap between the rotating door and the shielding bin, an interface between the rotating door and the shielding bin is a non-straight-surface splicing interface. Specifically, the interface between the revolving door and the shielding bin is one of a curved surface, an S surface, a step surface and a V-shaped surface.

In an embodiment of the present application, a display and/or playback device is provided in the shielding chamber and/or the radiation source device, and the display and/or playback device plays back the content data according to the preference of the patient or the instruction of the user.

In particular, the patient preferences may be obtained from patient information or selected by the patient according to user instructions, the content data comprising at least one of video content data, image content data, sound content data. The content data played in the shielding bin or the radiation source device can enable the patient to have better impression experience in the treatment process, so that the fear of claustrophobia of the patient in the treatment process is relieved.

Referring to fig. 19, in an embodiment of the present application, a fresh air system is disposed in the shielding bin 3.

The air outlet of the fresh air system is arranged at a position, close to the ground, of the side wall of the shielding bin, and the air inlet is arranged at a position, close to the top of the shielding bin, of the side wall of the shielding bin or at the top of the shielding bin.

Specifically, the air outlet penetrates through the side wall along a preset oblique angle, and the air inlet penetrates through the side wall or the top of the shielding bin along a preset oblique angle. The preset oblique angle direction is a direction forming an angle with the irradiation direction of the ray, so that the ray is prevented from being leaked along the air outlet and/or the air inlet. Illustratively, the predetermined oblique angle is at a 45 degree angle from horizontal.

And a protective wall can be arranged outside the air outlet and/or the air inlet and used for shielding possible ray leakage. The air inlet is far away from the air outlet. The distance between the air inlet and the air outlet enables air to flow in the shielding bin, so that fresh air exchange is realized.

Specifically, the air inlet and the air outlet are arranged diagonally. The larger the distance between the air inlet and the air outlet is, the more fully the air flows in the shielding bin, and the better the realized fresh air exchange effect is.

In an embodiment of the present application, the radiation source 121 loaded on the carrier body 12 of the radiation source apparatus 1 is an X-ray source or a gamma-ray source. For example: a medical electron accelerator for emitting X-rays; a cobalt 60 source for emitting gamma rays.

In the present exemplary embodiment, the carrier body 12 of the radiation source arrangement 1 carries a plurality of radiation sources 121, and the radiation emitted by the plurality of radiation sources 121 is focused at a point O, which is referred to as the focal point. Typically, the focal point is located on the central axis of the source arrangement 1.

In the embodiment of the present application, as shown in fig. 20, the plurality of radiation sources 121 includes a plurality of radiation source groups 1211, as shown in fig. 20, the plurality of radiation source groups 1211 includes 6 radiation source groups 1211, the plurality of radiation source groups 1211 are uniformly distributed on the whole circumferential surface of the carrier body 12 of the radiation source device, and the radiation sources 121 in each radiation source group 1211 are distributed in different latitudinal regions of the carrier body 12 of the radiation source device, so as to implement the focused irradiation on the patient from different directions.

In the embodiment of the present application, as shown in fig. 21, the plurality of radiation sources 121 includes a plurality of radiation source groups 1211, the plurality of radiation source groups 1211 are collectively disposed in a region Q of the circumferential surface of the carrier body 12 of the radiation source device, and the radiation sources 121 in each of the radiation source groups 1211 are distributed in different latitudinal regions of the carrier body 12 of the radiation source device, so as to implement the focused irradiation on the patient from different directions.

In the present embodiment, the source arrangement is rotated about its central axis l. According to the radiation source device, the radiation source device is rotated, so that a small number of small-dose radiation sources are adopted, continuous large-dose irradiation is obtained at a focus, surrounding normal tissues are irradiated by only a small amount of radiation, and the damage degree of radiotherapy is reduced to the minimum.

In an embodiment of the present application, an imaging system is disposed within the shield chamber and/or within the source arrangement. The imaging system comprises an X-ray generator and a detector which are oppositely arranged, and the X-ray generator emits rays which penetrate through the body of a patient and are received by the detector so as to image focuses and/or organs in the body of the patient.

The imaging system can be arranged in the shielding bin, can also be arranged in the radiation source device, and can also be arranged in the shielding bin and the radiation source device. The radiotherapy equipment of the embodiment of the application can be provided with one or more sets of the imaging systems. The number of the imaging systems in the radiotherapy apparatus is not limited in the embodiments of the present application.

In an embodiment of the application, the radiotherapy apparatus further comprises an optical monitoring system, which may be used to monitor the movement of the patient on the treatment couch, which may be an infrared monitoring system.

The optical monitoring system may comprise a radiation generator, a radiation receiver and a marker, the marker being attached to a surface of a patient's body in use, radiation emitted by the radiation generator being received by the radiation receiver via reflection from the marker, the time at which the reflected radiation is received being used to determine movement of the patient.

The optical monitoring system may further comprise a radiation receptor and a marker, the marker being attached to a surface of the patient's body in use, the marker emitting radiation autonomously for receipt by the radiation receptor to determine the patient's movement by the time of receipt of the radiation.

The optical monitoring system may further comprise a radiation emitter and a radiation receiver, in use, radiation emitted by the radiation generator, reflected by the skin of the patient, is received by the radiation receiver, and the time at which the reflected radiation is received is used to determine the movement of the patient.

The optical monitoring system may also comprise only a radiation receiver, in use, natural light reflected from the skin of the patient is received by the radiation receiver, and the time at which the reflected radiation is received is used to determine the movement of the patient.

The optical monitoring system is arranged on the treatment couch, and as shown in fig. 22, the optical monitoring system 8 is arranged at the tail part of the treatment couch 2. The optical monitoring system may also be arranged at other locations of the radiotherapy apparatus, for example: is arranged at the upper part of the treatment bed and is hung at the top of the shielding bin.

In this application, the shielding storehouse can be directly with ground fixed connection, also can with radiotherapy equipment's base fixed connection.

In this application, can realize fixed connection through rag bolt between shielding storehouse and ground or the base of radiotherapy equipment, shielding storehouse with can realize fixed connection through the bolt between the shielding layer, can realize fixed connection through the bolt between the shielding casing fragment in shielding storehouse, of course, also can take other fixed connection modes to realize connecting, for example: welding, bonding, screw nut connection and the like, and the application does not limit the way of realizing the fixed connection of the structures.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The radiotherapy equipment is characterized by comprising a radiation source device, a treatment bed and a shielding bin, wherein a treatment cavity is formed in the radiation source device, an opening for the treatment bed to enter and exit the treatment cavity is formed in one end of the radiation source device, one end, opposite to the opening, of the treatment cavity is closed, and the shielding bin is arranged on the periphery of the radiotherapy equipment and used for shielding rays generated by the radiotherapy equipment.

2. The radiation therapy device of claim 1, wherein said shielding cage is disposed around said radiation source assembly and said treatment couch to form an enclosure for shielding radiation generated by said radiation therapy device.

3. The radiation therapy device defined in claim 1, wherein said source assembly comprises a shielding layer, said shielding chamber being disposed around the periphery of said couch, said shielding layer being coupled to said shielding chamber to form an enclosure for shielding radiation generated by said radiation therapy device.

4. The radiotherapy apparatus of claim 3, wherein the shielding bin is removably coupled to the shielding layer, or wherein the shielding bin is integrally formed with the shielding layer.

5. Radiotherapeutic apparatus according to claim 3 in which the shield cartridge is adapted to be connected to the shield by an adapting structure.

6. Radiotherapeutic apparatus according to claim 3 in which the shielded cartridge is connected to the shielded layer by an intermediate connector.

7. Radiotherapeutic apparatus according to claim 6, wherein the intermediate connection structure is adapted to connect with the shielding bin and/or the shielding layer by means of an adapting structure.

8. Radiotherapeutic apparatus according to claim 5 or 7 in which the adapting structure is a non-straight face splice interface.

9. The radiation therapy apparatus of claim 1, wherein said shielded cartridge comprises a plurality of shielded housing segments.

10. The radiation therapy device of claim 9, wherein said plurality of shield shell segments are detachably spliced to form a shield bin.

11. The radiation therapy device of claim 10, wherein the interfaces of the plurality of shielded enclosure segments are non-straight-face splice interfaces.

12. The radiation therapy device of claim 1, wherein said shielded enclosure has at least one patient access opening for patient access to said shielded enclosure.

13. Radiotherapeutic apparatus according to claim 12 wherein the patient access is a first openable and closable barrier door.

14. The radiation therapy apparatus of claim 13, wherein said first openable and closable shield door is disposed at a position where said shield bin is close to said treatment couch.

15. The radiotherapy apparatus of claim 13, wherein the first openable and closable shield door has an isolation bin for isolating radiation that leaks when the first openable and closable shield door is opened.

16. The radiation therapy device of claim 1, wherein said shield compartment has at least one access opening for an operator to access said shield compartment.

17. Radiotherapeutic apparatus according to claim 16 wherein the access opening is a second openable and closable shield door.

18. Radiotherapeutic apparatus according to claim 17 in which the second openable and closable shield door is provided at a location of the shield bin adjacent the source means.

19. The radiation therapy apparatus of claim 18, wherein said second openable and closable shield door has an isolation bin for isolating radiation that leaks when said second openable and closable shield door is opened.

20. Radiotherapeutic apparatus according to claim 13 or 17 in which the interface between the openable and closable shield door and the shield bin is a non-straight-faced splice interface.

21. The radiotherapy apparatus of claim 2, wherein the source device comprises a shielding layer, the shielding bin has at least one inlet, the inlet is a third openable and closable shielding door, the third openable and closable shielding door is disposed at a position where the shielding bin faces the shielding layer of the source device, and an opening dimension of the third openable and closable shielding door is smaller than a dimension of the shielding layer of the source device in an axial direction of the source device.

22. Radiotherapy installation according to claim 1, characterized in that display and/or playback means are provided inside the shielding chamber and/or inside the treatment chamber, which play back the content data according to patient preferences or user instructions.

23. Radiotherapeutic apparatus according to claim 1 in which a ventilation system is provided within the shielded chamber.

24. The radiation therapy device of claim 1, wherein said source arrangement is configured to carry a radiation source, said radiation source being an X-ray source or a gamma-ray source.

25. The radiation therapy device defined in claim 24, wherein the radiation source arrangement is configured to carry a plurality of radiation sources, the radiation sources emitting radiation that is focused at a point.

26. Radiotherapy installation according to claim 24 or 25, characterized in that the source arrangement is rotatable around the source arrangement central axis.

27. Radiotherapy installation according to claim 1, characterized in that an imaging system is arranged in the shielding magazine and/or in the source device.

28. Radiotherapy apparatus according to claim 1, characterized in that it further comprises an optical monitoring system.