CN211327831U

CN211327831U - Source guiding tank and source guiding device

Info

Publication number: CN211327831U
Application number: CN201920188304.3U
Authority: CN
Inventors: 李大梁; 杨华
Original assignee: Our United Corp
Current assignee: Our United Corp
Priority date: 2019-02-03
Filing date: 2019-02-03
Publication date: 2020-08-25
Anticipated expiration: 2029-02-03

Abstract

The utility model relates to a source guiding tank and a source guiding device, wherein the source guiding tank comprises a tank body and a pull rod, wherein the tank body comprises a source carrying cavity and an opening, and the source carrying cavity can contain a source carrying body; the pull rod can move and drive the carrier source body to extend out of the opening, and a first positioning part is further arranged on the pull rod; the source guiding tank further comprises a second positioning part, and the first positioning part is assembled with the second positioning part to prevent the pull rod from rotating. The source guiding tank is simple in structure, low in production cost and high in positioning accuracy.

Description

Source guiding tank and source guiding device

Technical Field

The utility model relates to a radiotherapy equipment technical field especially relates to a lead source jar and lead source device.

Background

Radiotherapy apparatus is an apparatus for treating malignant tumors and some benign diseases by using radiation such as α, β, γ rays generated by radioactive isotopes and various x-rays. The rays emitted by the radioactive source have certain energy, and can damage cell tissues, so that the human body is injured. Especially gamma ray has strong penetrating power, when the human body is irradiated by the gamma ray, the gamma ray can enter the inside of the human body and generate ionization action with cells in the human body, ions generated by the ionization can erode complex organic molecules such as protein, nucleic acid and enzyme, once the ions are destroyed, the normal chemical processes in the human body can be interfered, and the cells can be seriously killed. Therefore, a source guiding tank and a source guiding device are needed in the process of putting the gamma-ray source into the radiotherapy equipment so as to prevent the gamma-ray radiation from damaging the body of an operator.

In the related technology, the gamma ray radioactive source guiding tank has the problems of high cost, low safety, complex structure and inaccurate positioning. Therefore, there is a need to provide a new technical solution to improve one or more of the problems in the above solutions.

It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

An object of the present disclosure is to provide a source guiding tank and a source guiding device, thereby overcoming, at least to some extent, one or more of the problems due to the limitations and disadvantages of the related art.

According to a first aspect of the embodiments of the present disclosure, a source guiding tank is provided, where the source guiding tank includes a tank body and a pull rod, where the tank body includes a source carrying cavity and an opening, and the source carrying cavity can accommodate a source carrying body;

the pull rod can move and drive the carrier source body to extend out of the opening, and a first positioning part is further arranged on the pull rod;

the source guiding tank further comprises a second positioning part, and the first positioning part is assembled with the second positioning part to prevent the pull rod from rotating.

In an embodiment of the disclosure, the first positioning portion is a guide groove, and the second positioning portion is a protrusion; or,

the first positioning part is a bulge, and the second positioning part is a guide groove; or,

the first positioning part comprises at least one positioning hole, the second positioning part comprises at least one positioning inserted rod, and the positioning inserted rod can be inserted into the positioning hole.

In an embodiment of the present disclosure, the pull rod includes a first pull rod and a second pull rod, and the tank includes a first opening and a second opening;

the first pull rod can move along a first direction and can drive the carrier body to extend out of the first opening; the second pull rod can move along a second direction and can drive the carrier body to extend out of the second opening;

the first direction is different from the second direction.

In the embodiment of the disclosure, the source guiding tank further comprises a shielding door for correspondingly opening and closing the opening.

In the embodiment of the disclosure, the first pull rod penetrates through the top surface of the tank body; the second pull rod penetrates through the side face of the tank body.

In an embodiment of the disclosure, the pull rod includes an operating end and a picking end, wherein the operating end extends out of the source guiding tank, and the picking end includes a connecting portion for connecting with the source carrier.

In an embodiment of the present disclosure, the tie rod comprises a plurality of connected sub-tie rods, wherein at least one sub-tie rod is formed of a tungsten alloy.

In an embodiment of the present disclosure, the sub-rods connected to the carrier body are formed of a tungsten alloy.

In the embodiment of the present disclosure, the diameters of the sub-rods are sequentially increased.

In the embodiment of the disclosure, the tank body comprises a metal shell and lead filled in the metal shell, and the lead of the tank body is of an integral structure.

In the embodiment of the disclosure, a pull rod hole is formed on the metal shell of the tank body.

In the embodiment of the disclosure, the pull rod hole is stepped.

In the embodiment of the disclosure, the source guiding tank further comprises an anti-radiation shielding block, and the anti-radiation shielding block is connected with the tank body;

the anti-radiation shielding block is provided with a pull rod hole, and the pull rod can penetrate through the pull rod hole of the anti-radiation shielding block.

In the embodiment of the disclosure, the opening on the tank body is in a step type.

In the embodiment of the disclosure, the shielding door and the tank body are locked through a locking device.

In the embodiment of the disclosure, the source guiding tank further comprises a glass window, or a camera and/or a detection lamp are arranged in the source carrying cavity.

According to a second aspect of the embodiments of the present disclosure, a source guiding device is provided, which is used for taking out a source carrier from an original source storage device and guiding the source carrier into a new source storage device; the source guiding device is characterized by comprising the source guiding tank in any one of the embodiments.

In the embodiment of the present disclosure, the original source storage device is a source storage tank, and the new source storage device is radiotherapy equipment;

the opening of the source guiding tank is provided with a first butt joint interface;

the source guiding device further comprises a butt joint tool, the butt joint tool is assembled with the radiotherapy equipment, a second butt joint interface is arranged on the butt joint tool, and the first butt joint interface is matched with the second butt joint interface to achieve positioning butt joint.

In the embodiment of the disclosure, the first butt joint interface and the second butt joint interface realize positioning butt joint through a boss.

In the embodiment of the present disclosure, the source guiding device further includes a trolley, and the source guiding tank is located on the trolley;

the trolley can drive the source guiding tank to move in different directions so as to realize position adjustment.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

in one embodiment of the disclosure, on the one hand, the source carrier is driven by the pull rod to extend out of the opening, so that the source carrier can be conveyed to the installation position on the radiotherapy equipment, and the structure of the source guiding tank is simplified.

Drawings

FIG. 1 illustrates a schematic diagram of a source tank configuration in an exemplary embodiment of the present disclosure;

FIG. 2 shows a schematic view of another exemplary embodiment of a conductance canister configuration according to the present disclosure;

fig. 3 shows a schematic structural diagram of a source guiding device in an exemplary embodiment of the present disclosure.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

In the present exemplary embodiment, firstly, a source guiding tank 100 is provided, as shown in fig. 1, the source guiding tank 100 includes a tank body 110 and a pull rod 120, wherein the tank body 110 includes a source carrying cavity 111 and an opening, the source carrying cavity 111 can accommodate a source carrying body 200, the pull rod 120 can move and can drive the source carrying body 200 to extend out of the opening, and a first positioning portion 121 is further disposed on the pull rod 120. The guide source tank 100 further includes a second positioning part 130, and the first positioning part 121 is assembled with the second positioning part 130 to prevent the rotation of the lever.

The carrier 200 is used for loading a radioactive source, and the nuclides commonly used for preparing a gamma radioactive source include iron 55, cobalt 57, cobalt 60, selenium 75, cesium 137, thulium 170, iridium 192, plutonium 238, americium 241, and the like. To avoid injury to the human body, the source carrier 200 is typically placed in a source tank.

In one embodiment, the pull rod 120 is connected with the source carrier 200 from the source storage tank, after the source carrier 200 is connected with the pull rod 120, the source carrier 200 can be driven to extend out of the opening by the movement of the pull rod 120, and the source carrier 200 is conveyed to the installation position of the radiotherapy equipment, so that the structure of the whole source guide tank is simplified, in addition, after the source carrier 200 is connected with the pull rod 120, the first positioning part 121 on the pull rod 120 and the second positioning part 130 on the source guide tank 100 need to be assembled with each other, so that the rotation of the pull rod 120 is prevented, the source carrier 200 is accurately placed at the installation position of the radiotherapy equipment, and the positioning accuracy of the source guide tank is further improved.

Specifically, in one embodiment, the opening of the tank is stepped, so that gamma rays are prevented from being radiated from a contact gap between the draw bar 120 and the tank 110, thereby improving the safety of operation.

In one embodiment, the pull rod 120 comprises an operation end and a pick-up end, wherein the operation end extends out of the source guiding tank 100 to facilitate pushing and pulling by an operator, and the pick-up end comprises a connecting portion for connecting with the source carrier 200, the connecting manner can be clamping connection, threaded connection or other connecting manners, and only the source carrier 200 is required to be ensured not to fall off the pull rod 120.

In one embodiment, the pull rod 120 includes a plurality of connected sub-pull rods, the multi-sub-pull rod enables the guide source tank 100 to be conveniently detached and installed in different use spaces, so as to change the length of the pull rod, and the connection mode between the multi-sub-pull rods can be clamping connection or threaded connection. Since the gamma rays are only reflected and not refracted, the diameters of the sub-rods may be sequentially increased, which may further prevent the gamma rays from being radiated from the contact gap between the rod 120 and the can 110.

Gamma rays are electromagnetic wave photons with a frequency higher than 1.5 kilo-hertz, have extremely strong penetrating power and high energy, but the gamma rays can be blocked by substances with high atomic number, such as lead or tungsten, in order to reduce the cost of the whole source guiding tank on the premise of ensuring safety, at least one sub-pull rod in the multi-sub-pull rod can be formed by tungsten alloy, specifically, the sub-pull rod connected with the carrier body 200 is formed by tungsten alloy, and the other sub-pull rods can be formed by metal.

In one embodiment, the can 110 includes a metal shell and lead filled inside the metal shell, and the lead of the can 110 is a unitary structure, thereby preventing the lead from moving inside the can.

For example, a draw rod hole is formed in the metal case of the can 110 to facilitate the draw rod 120 to pass therethrough, and since the gamma rays are only reflected and not refracted, the draw rod hole may be provided as a stepped hole in order to prevent the gamma rays from being radiated from the draw rod 120 and the draw rod hole of the can 110.

In another embodiment, as shown in fig. 1, in order to prevent gamma rays from radiating from the tie rod holes of the tie rod 120 and the tank 110, an anti-radiation shielding block 140 may be further provided on the source tank, the anti-radiation shielding block 140 is connected to the tank 110, and the tie rod hole is provided on the anti-radiation shielding block 140 so as to allow the tie rod to pass through.

In one embodiment, based on the above embodiment, the first positioning portion 121 and the second positioning portion 130 may be assembled by providing the second positioning portion 130 as a protrusion, and the first positioning portion 121 as a guide groove corresponding to the protrusion of the second positioning portion; or the first positioning portion 121 is a protrusion, and the second positioning portion 130 is a guide groove corresponding to the protrusion of the first positioning portion; at least one positioning hole, which is a blind hole or a through hole, may be further disposed at the first positioning portion 121, and at least one insertion rod, which may be a pin, is included in the second positioning portion, for example, and is inserted into the positioning hole to prevent the pull rod from rotating.

In one embodiment, as shown in fig. 1, the source guiding canister 100 further includes a shielding door 112 corresponding to the opening and closing opening, the shielding door 112 is closed when the source carrier 200 is in the source carrying cavity 111, and after the opening of the canister 110 is abutted with the opening of the source mounting position of the radiotherapy apparatus, the shielding door 112 is opened and the pull rod 120 is pushed to drive the source carrier 200 into the source carrier mounting position of the radiotherapy apparatus. The presence of the shield door 112 prevents the radiation source in the carrier from radiating radiation out of the canister 110. Generally, the source guiding tank can be hoisted by using a hoisting tool, in order to prevent the shielding door 112 from sliding away by itself in the hoisting process, when the shielding door 112 is in a closed state in operation, the shielding door 112 and the tank body 110 are locked by a locking device (not shown), one end of the locking device can be fixed on the tank body, the other end of the locking device can be a fixed strip which can rotate around the fixed point, in the locking state, the unfixed end is rotated to the shielding door 112 to prevent the shielding door 112 from being opened, and when the shielding door 112 is to be opened, the unfixed end is rotated to the tank body 110, so that the shielding door 112 can be smoothly pulled open. The number of the locking devices is at least one.

In another embodiment, based on the previous embodiment, as shown in fig. 2, the pull rod 120 includes a first pull rod 1201 and a second pull rod 1202, and the tank 110 includes a first opening 113 and a second opening 114. The first pull rod 1201 can move along a first direction a and can drive the carrier 200 to extend out of the first opening 113, and the second pull rod 1202 can move along a second direction B and can drive the carrier 200 to extend out of the second opening 114, where the first direction a is different from the second direction B.

Specifically, the first pull rod 1201 can move along the first direction a to extend out of the first opening 113 and connect the source carrier 200 from the source storage tank, after the source carrier 200 is connected, the source carrier 200 is driven into the source carrier cavity 111, at this time, the front end of the second pull rod 1202 is connected with the source carrier 200, the first pull rod 1201 is separated from the source carrier 200, and then the second pull rod 1202 drives the source carrier 200 to move along the second direction B and extend out of the second opening 114 until the source carrier 200 is placed in the installation position of the radiotherapy apparatus.

In one embodiment, the first tie rod 1201 extends through the top surface of the can 110 and the second tie rod extends through the side surface of the can 110, in which case the first direction a of the first tie rod 1201 is perpendicular to the second direction B of the second tie rod 1202.

In one embodiment, the source guiding tank 100 further includes a glass window for the external operator to observe, and a camera or a camera and a detection lamp may be disposed in the source carrying cavity 111, wherein the camera may be connected to an external data transceiver in a wired or wireless manner, so as to transmit image information in the source carrying cavity 111 to the data transceiver for the operator to observe.

In this exemplary embodiment, a source guiding device is further provided, where the source guiding device includes the source guiding tank in any one of the foregoing embodiments, and is configured to take out the source carrier 200 from an original source storage device, which is a source storage tank, and guide the source carrier into a new source storage device, which is radiotherapy equipment.

In one embodiment, as shown in fig. 3, the source guiding tank 100 is provided with a first docking interface on an opening thereof, the source guiding device further includes a docking tool 300, the docking tool is assembled with the radiotherapy equipment, and the docking tool is provided with a second docking interface, and the first docking interface and the second docking interface are matched to realize positioning docking. Specifically, the first butt joint interface and the second butt joint interface realize positioning butt joint through a boss.

In one embodiment, the source guiding device may further include a cart 400, and the source guiding tank 100 is located on the cart 400, and in particular, the cart may be provided with a device for adjusting the height, front, back, left and right, for adjusting the position of the source guiding tank 100, so as to better dock the source guiding tank 100 with the radiotherapy apparatus.

In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present disclosure.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.

In the present disclosure, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims

1. A source guiding tank is characterized by comprising a tank body and a pull rod, wherein the tank body comprises a source carrying cavity and an opening, and the source carrying cavity can contain a source carrying body;

2. The source tank of claim 1, wherein the first positioning portion is a guide groove, and the second positioning portion is a protrusion; or,

3. The source canister of claim 2 wherein the tie rod comprises a first tie rod and a second tie rod, the canister body comprising a first opening and a second opening;

the first direction is different from the second direction.

4. The source canister of claim 1 further comprising a screen door that correspondingly opens and closes the opening.

5. The catheter canister of claim 3 wherein the first pull rod extends through a top surface of the canister body; the second pull rod penetrates through the side face of the tank body.

6. The pod of claim 1, wherein the pull rod comprises an operating end and a pick-up end, wherein the operating end protrudes from the pod and the pick-up end comprises a coupling portion for coupling with a source carrier.

7. The source canister of claim 1 wherein the tie bar comprises a plurality of connected sub-tie bars, wherein at least one sub-tie bar is formed of a tungsten alloy.

8. The source canister of claim 7 wherein the sub-rods connected to the carrier body are formed of a tungsten alloy.

9. The pod of claim 7, wherein the diameter of each sub-rod increases sequentially.

10. The source canister of claim 1, wherein the canister body comprises a metal shell and lead filled inside the metal shell, the lead of the canister body being a unitary structure.

11. The source canister of claim 10 wherein tie rod holes are formed in the metal shell of the canister body.

12. The source canister of claim 11 wherein the tie rod bore is stepped.

13. The source canister of claim 1 further comprising an anti-leak shield block connected to the canister body;

14. The source canister of claim 1 wherein the opening in the canister body is stepped.

15. The source guiding tank as claimed in claim 4, wherein the shielding door is locked with the tank body by a locking device.

16. The source guiding tank as claimed in claim 1, wherein the source guiding tank further comprises a glass window, or a camera and/or a detection lamp is arranged in the source carrying cavity.

17. The source guiding device is used for taking a source carrier out of an original source storage device and guiding the source carrier into a new source storage device; wherein the source directing apparatus comprises a source directing canister as claimed in any one of claims 1 to 16.

18. The source guiding device of claim 17, wherein the original source storage device is a source storage tank and the new source storage device is a radiotherapy apparatus;

19. The source guiding device of claim 18, wherein the first docking interface and the second docking interface are positioned for docking via a boss.

20. The source directing apparatus as defined in claim 17, wherein the source directing apparatus further comprises a cart, the source directing tank being located on the cart;