A linac treatment couch

Abstract

The utility model relates to treatment bed technical field discloses a linear accelerator treatment bed, include: the top of elevating base is provided with drive mechanism, treatment bed sets up in the top of drive mechanism, the one end of treatment bed is provided with support subassembly, and support subassembly includes: horizontal pole sets up in the one end of treatment bed, telescopic link sets up in the bottom of horizontal pole, and the bottom of telescopic link is provided with universal wheel, the inner rod of telescopic link is embedded with clamping block, the both ends of casing are connected with telescopic link, this treatment bed, through support subassembly utilizes control screw rod rotation, makes screw rod drive screw block and moves down, and the position of telescopic link inner rod can be limited to push -on block and clamping block interlock with the support ability that it has, compared with prior art device adjustment mode is more simple and convenient, and the operation is more laborsaving quick. This treatment bed, through dismantling component utilizes the connection of control bolt and pole body can install horizontal pole to the one end of treatment bed, also can dismantle and overhaul.

Description

Technical Field

[0001] This utility model relates to the field of treatment bed technology, specifically a linear accelerator treatment bed. Background Technology

[0002] A medical linear accelerator is a medical device that uses microwave electromagnetic fields to accelerate electrons and create linear motion paths. It is used for radiotherapy of tumors or other lesions in patients. It can produce high-energy X-rays and electron beams, and features high dose rate, short irradiation time, large irradiation field, good dose uniformity and stability, and small penumbra, such as the XHA600D model.

[0003] Chinese utility model CN219290469U describes a linear accelerator treatment bed, which includes a support structure. The principle is to install a telescopic support rod at one end of the treatment bed, with wheels at the bottom of the telescopic rod for movement. The telescopic rod can be fixed by rotating the locking bolt, thus providing support to the bed board.

[0004] However, the existing device requires adjustment of the locking bolts on the two telescopic support rods during use, which necessitates bending over and squatting, making the operation inconvenient. Therefore, to address the aforementioned issues, a treatment bed support structure that is easier to adjust was designed. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a linear accelerator treatment bed, which offers the advantage of easier operation when adjusting and fixing the support rod, thus solving the problem of inconvenient operation of existing devices.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a linear accelerator treatment bed, comprising: a lifting base with a driving mechanism at its top; a treatment bed disposed on top of the driving mechanism; a support assembly disposed at one end of the treatment bed, the support assembly comprising: a crossbar disposed at one end of the treatment bed; a telescopic rod disposed at the bottom of the crossbar, and a universal wheel disposed at the bottom of the telescopic rod; a locking block embedded in the inner rod of the telescopic rod; a housing connected to the telescopic rod at both ends; an insert block slidably disposed inside the housing, and one end of the insert block penetrates the outer wall of the telescopic rod and engages with the housing; a sliding groove is formed at the top of the housing; a slider bottom is inserted into the sliding groove and connected to the insert block; a threaded rod top end penetrates the crossbar and is rotatably connected to the crossbar; a threaded block is penetrated by the threaded rod and is threadedly connected to the threaded rod; a connecting rod is rotatably disposed outside the threaded block and its bottom end is rotatably connected to the slider.

[0009] In some embodiments, the bottom end of the threaded rod contacts the housing and is rotatably connected to the housing.

[0010] In some embodiments, the limiting block at one end of the insert block is in contact with the card block when the insert block is inserted.

[0011] In some embodiments, the support assembly further includes: a through groove formed on the outer side wall of the telescopic rod; and a protrusion inserted into the interior of the through groove and connected to the inner rod of the telescopic rod.

[0012] In some embodiments, the support assembly further includes a spring disposed inside the telescopic rod.

[0013] In some embodiments, the support assembly further includes a torque disposed at the top of the threaded rod.

[0014] In some embodiments, the crossbar is provided with a disassembly assembly, the disassembly assembly comprising: a groove formed on the outer wall of the crossbar; one end of the rod passing through the groove and connected to the treatment bed, and an insertion hole formed on the rod; and a pin inserted into the insertion hole on the rod.

[0015] In some embodiments, the disassembly assembly further includes a cone disposed at the bottom of the pin.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a linear accelerator treatment bed, which has the following beneficial effects:

[0018] 1. This treatment bed, through the support component, uses the rotation of the control threaded rod to drive the threaded block to move downward, pushing the insert block and the locking block to engage, which can limit the position of the inner rod of the telescopic rod and enable it to have support capabilities. Compared with the existing device, the adjustment method is simpler and more convenient, and the operation is more labor-saving and faster.

[0019] 2. This treatment bed can be disassembled and the crossbar can be installed at one end of the treatment bed by using the connection between the control pin and the rod body. It can also be disassembled and repaired. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the present invention, showing the separation of the crossbar from the treatment bed;

[0022] Figure 3 This is a schematic diagram of the internal structure of the telescopic rod of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the insert block and the card block of this utility model.

[0024] In the diagram: 11. Lifting base; 12. Drive mechanism; 13. Treatment bed;

[0025] 2. Support assembly; 21. Crossbar; 22. Telescopic rod; 221. Through groove; 222. Protrusion; 223. Spring; 23. Locking block; 24. Housing; 25. Insert block; 26. Slide groove; 27. Slider; 28. Threaded rod; 281. Torque; 29. ​​Threaded block; 291. Connecting rod;

[0026] 3. Disassembly components; 31. Groove; 32. Rod; 33. Pin; 34. Cone. Detailed Implementation

[0027] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0028] It should be noted that all directional indications in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0029] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0030] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0031] A medical linear accelerator is a medical device that uses microwave electromagnetic fields to accelerate electrons and create linear motion paths. It is used for radiotherapy of tumors or other lesions in patients. It can produce high-energy X-rays and electron beams, and features high dose rate, short irradiation time, large irradiation field, good dose uniformity and stability, and small penumbra, such as the XHA600D model.

[0032] In related technologies, a telescopic support rod is installed at one end of the treatment bed, and wheels are installed at the bottom of the telescopic rod for movement. Simply turning the locking bolts to fix the telescopic rod provides support to the bed board. However, existing devices require adjusting the locking bolts on the two telescopic support rods during use, which necessitates bending over and squatting, making operation inconvenient.

[0033] To address some of the problems in the related technologies, this application provides a linear accelerator treatment bed. When the treatment bed 13 needs to be adjusted, the patient first needs to lie flat on the treatment bed 13, and then adjust the height using the lifting base 11. While adjusting the height, the telescopic rod 22 will keep the bottom wheels in contact with the ground due to the weight of the inner rod. After adjusting to the appropriate height, simply rotate the threaded rod 28. When the threaded rod 28 rotates, it will connect with the threaded block 29 and drive the threaded block 29 to move downward. At the same time, the movement will push the two connecting rods 291 to rotate, causing the bottom end of the connecting rod 291 to push the slider 27 to move inside the slide groove 26, and drive one end of the insert 25 to engage with the locking block on the inner rod of the telescopic rod 22, restricting the position of the inner rod, thereby achieving the purpose of support. Finally, the drive mechanism 12 is used to control the treatment bed 13 to move to one side, and the telescopic rod 22 moves accordingly when moving.

[0034] This application is described below with reference to the accompanying drawings and specific embodiments:

[0035] This application provides a linear accelerator treatment bed, including: a lifting base 11 with a drive mechanism 12 on its top; a treatment bed 13 disposed on top of the drive mechanism 12; a support assembly 2 disposed at one end of the treatment bed 13, the support assembly 2 including: a crossbar 21 disposed at one end of the treatment bed 13; a telescopic rod 22 disposed at the bottom of the crossbar 21, and a universal wheel disposed at the bottom of the telescopic rod 22; a locking block 23 embedded in the inner rod of the telescopic rod 22; and a housing 24 connected at both ends to the telescopic rod 22; and a plug. Block 25 is slidably disposed inside the housing 24, and one end of it passes through the outer side wall of the telescopic rod 22 and engages with the housing 24; a groove 26 is formed at the top of the housing 24; the bottom of the slider 27 is inserted into the groove 26 and connected to the insert block 25; the top end of the threaded rod 28 passes through the crossbar 21 and is rotatably connected to the crossbar 21; the threaded block 29 is passed through by the threaded rod 28 and is threadedly connected to the threaded rod 28; the connecting rod 291 is rotatably disposed outside the threaded block 29 and its bottom end is rotatably connected to the slider 27.

[0036] Specifically, the lifting base 11 is equipped with a hydraulic push rod, which controls the vertical movement of the treatment bed 13 to adjust its height. The drive mechanism uses a motor to rotate a lead screw, which has a moving block connected to one end of the treatment bed 13, allowing the treatment bed to be moved to one side. The main function of the linear accelerator treatment bed is to carry the patient and cooperate with the linear accelerator for tumor radiotherapy. The linear accelerator treatment bed is a key component of the linear accelerator system. The patient receives treatment on the treatment bed, which automatically advances as needed to ensure the patient's stability and safety during treatment. The treatment bed is designed to rotate 360 ​​degrees to accommodate different angles of irradiation. Furthermore, the treatment bed is designed with different angles and doses of irradiation based on the location of the tumor or other specific problems to avoid damage to normal organs.

[0037] When adjusting the treatment bed 13, the patient first needs to lie flat on the treatment bed 13. Then, the height is adjusted using the lifting base 11. While adjusting the height, the telescopic rod 22 will keep the bottom wheels in contact with the ground due to the weight of the inner rod. After adjusting to the appropriate height, simply rotate the threaded rod 28. When the threaded rod 28 rotates, it will connect with the threaded block 29 and drive the threaded block 29 to move downward. At the same time, the movement will push the two connecting rods 291 to rotate, so that the bottom end of the connecting rod 291 pushes the slider 27 to move inside the slide groove 26, and drives one end of the insert block 25 to engage with the locking block on the inner rod of the telescopic rod 22, restricting the position of the inner rod and thus achieving the purpose of support. Finally, the drive mechanism 12 is used to control the treatment bed 13 to move to one side, and the telescopic rod 22 moves accordingly when moving.

[0038] In some embodiments, the bottom end of the threaded rod 28 contacts the housing 24 and is rotatably connected to the housing 24.

[0039] The design of the bottom end of the threaded rod 28 being rotatably connected to the housing 24 during use can enhance the stability of the threaded rod 28, while the housing 24 can also provide some support for the threaded rod 28, making the force distributed more evenly.

[0040] In some embodiments, the limiting block at one end of the insert block 25 is in contact with the card block 23 when they are inserted.

[0041] The snug fit design ensures a more secure and stable connection when the parts are in contact, preventing them from shifting.

[0042] In some embodiments, the support assembly 2 further includes: a through groove 221 formed on the outer side wall of the telescopic rod 22; and a protrusion 222 inserted at one end into the inside of the through groove 221 and connected to the inner rod of the telescopic rod 22.

[0043] When the telescopic rod 22 is extended or retracted, the protrusion 222 slides up and down inside the through groove 221, which can prevent the inner rod of the telescopic rod 22 from separating from the outer rod.

[0044] In some embodiments, the support assembly 2 further includes a spring 223 disposed inside the telescopic rod 22.

[0045] When in use, the design of spring 223 can push the inner rod of telescopic rod 22 downward, so that the universal wheel at the bottom is always in contact with the ground.

[0046] In some embodiments, the support assembly 2 further includes a torque 281 disposed on the top of the threaded rod 28.

[0047] When in use, the design of the knob 281 makes it easy to grip and control the rotation of the threaded rod, and the groove on the knob 281 can increase the friction when rotating.

[0048] In some embodiments, a disassembly assembly 3 is provided on the crossbar 21. The disassembly assembly 3 includes: a groove 31 formed on the outer side wall of the crossbar 21; a rod 32 with one end passing through the groove 31 and connected to the treatment bed 13, and an insertion hole formed on the rod 32; and a pin 33 inserted into the insertion hole on the rod 32.

[0049] When it is necessary to disassemble the crossbar 21 and the telescopic bar 22, simply pull out the pin 33 on the bar 32 to release the restriction on the crossbar 21, and then drag the crossbar 21 to move it so that the bar 32 disengages from the groove 31 on the crossbar 21 to complete the disassembly.

[0050] In some embodiments, the disassembly assembly 3 further includes a cone 34 disposed at the bottom of the pin 33.

[0051] The pointed design at the bottom of the cone 34 makes it easier to insert the pin 33 into the socket on the rod 32.

[0052] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," and "some examples" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0053] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0054] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A linear accelerator treatment bed, comprising: A lifting base (11) is provided with a drive mechanism (12) on its top. A treatment bed (13) is positioned on top of the drive mechanism (12); The feature is that a support component (2) is provided at one end of the treatment bed (13), and the support component (2) includes: A crossbar (21) is provided at one end of the treatment bed (13); A telescopic rod (22) is provided at the bottom of the crossbar (21), and the bottom of the telescopic rod (22) is provided with casters; The locking block (23) is embedded in the inner rod of the telescopic rod (22); The housing (24) is connected to the telescopic rod (22) at both ends; The insert (25) is slidably disposed inside the housing (24), and one end of it passes through the outer wall of the telescopic rod (22) and engages with the housing (24); A groove (26) is provided on the top of the housing (24); The slider (27) is inserted into the interior of the groove (26) and connected to the insert (25); A threaded rod (28) has its top end passing through the crossbar (21) and is rotatably connected to the crossbar (21); The threaded block (29) is penetrated by the threaded rod (28) and is threadedly connected to the threaded rod (28); The connecting rod (291) is rotatably disposed on the outside of the threaded block (29), and its bottom end is rotatably connected to the slider (27).

2. The linear accelerator treatment bed according to claim 1, characterized in that: The bottom end of the threaded rod (28) contacts the housing (24) and is rotatably connected to the housing (24).

3. The linear accelerator treatment bed according to claim 1, characterized in that: When the limiting block at one end of the insert (25) is inserted into the card block (23), it fits together.

4. The linear accelerator treatment bed according to claim 1, characterized in that: The support component (2) also includes: A through groove (221) is formed on the outer side wall of the telescopic rod (22); The protrusion (222) is inserted into the inside of the through groove (221) and connected to the inner rod of the telescopic rod (22).

5. A linear accelerator treatment bed according to claim 1, characterized in that: The support component (2) also includes: A spring (223) is disposed inside the telescopic rod (22).

6. A linear accelerator treatment bed according to claim 1, characterized in that: The support component (2) also includes: A knob (281) is located at the top of the threaded rod (28).

7. A linear accelerator treatment bed according to claim 1, characterized in that: A disassembly assembly (3) is provided on the crossbar (21), the disassembly assembly (3) comprising: The groove (31) is formed on the outer wall of the crossbar (21); The rod (32) has one end that passes through the groove (31) and is connected to the treatment bed (13), and the rod (32) has an insertion hole. The pin (33) is inserted into the socket on the rod (32).

8. A linear accelerator treatment bed according to claim 7, characterized in that: The disassembly assembly (3) also includes: A cone (34) is disposed at the bottom of the pin (33).

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