Tumor radiotherapy treatment head
By designing a protective shield, fan, and magnet-driven coolant circulation system on the CyberKnife treatment head, the problem of high-temperature burns from the CyberKnife treatment head has been solved, achieving efficient heat dissipation and cooling, and ensuring safe use of the equipment.
Patent Information
- Application Number
- CN202520230947.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-02-13
AI Technical Summary
The surface temperature of the CyberKnife treatment head becomes too high after use, which can easily cause burns to medical staff. Current technology has not been able to effectively solve this problem.
A tumor radiotherapy head was designed, including a shield, a fan, a cooling box, and a U-shaped tube. The shield protects the emitter body, the fan dissipates heat, and the coolant is driven by a magnet to circulate in the U-shaped tube, achieving efficient heat dissipation and cooling.
It effectively reduces the temperature of the transmitter body, avoids burns to medical staff, improves heat dissipation, and ensures safe use of the equipment.
Smart Images
Figure CN223586429U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, concretely is a tumor radiotherapy treatment head. BACKGROUND
[0002] Tumor radiotherapy (radiotherapy) is a treatment method that uses high-energy radiation (such as X-rays, gamma rays, etc.) to kill cancer cells or inhibit their growth. It is usually used to treat various types of tumors, especially when the tumor cannot be removed by surgery or the patient is not suitable for surgery. Radiotherapy can be used in combination with surgery, chemotherapy or immunotherapy to help improve treatment effectiveness.
[0003] Radiotherapy treatment head generally refers to the treatment head part of a radiotherapy device, specifically, a device on a radiotherapy machine (such as a linear accelerator, a CT simulator, etc.) used to emit radiation to treat cancer or other conditions in patients. It is a key component in the radiotherapy process, responsible for accurately projecting high-energy radiation onto the target area of the patient to kill tumor cells while minimizing damage to surrounding healthy tissues.
[0004] CyberKnife is an advanced radiotherapy device mainly used for precise treatment of tumors and other lesions. The treatment head of CyberKnife (i.e. the emission device of CyberKnife) has a very high surface temperature after use, and touching it when it is hot can cause burns to medical staff, so it is urgent to solve this problem. SUMMARY
[0005] (I) Technical problems solved
[0006] To address the shortcomings of the prior art, the utility model provides a tumor radiotherapy treatment head, which solves the problems raised in the background art.
[0007] (II) Technical solutions
[0008] To achieve the above purpose, the utility model realizes the following technical solutions: a tumor radiotherapy treatment head, comprising a body, a radiation source body fixedly installed at the bottom of the body, a sleeve ring fixedly connected to the bottom of the body, the sleeve ring being sleeved on the outside of the radiation source body, a protective cover being screw-mounted at the bottom of the sleeve ring, a plurality of openings being formed in the surface of the protective cover in a circumferential distribution, an inner tooth ring being rotatably installed at the bottom of the protective cover, a connecting rod being fixedly connected to the other end of the inner tooth ring, a fan being fixedly connected to the other end of the connecting rod, and the fan being located on the side of the protective cover.
[0009] Preferably, the outer circumferential side wall of the protective cover is fixedly connected with a cooling box, a U-shaped tube is communicatively arranged at the top of the cooling box, and a one-way valve one and a one-way valve two are respectively arranged at the two ends of the U-shaped tube.
[0010] Preferably, the U-shaped pipe is provided with a side branch pipe in communication, a plug rod is movably arranged in the side branch pipe, a spring is fixedly connected between the plug rod and the side branch pipe, a magnet two is fixedly connected to the end of the plug rod, and a magnet one is fixedly installed on the side wall of the fan.
[0011] Preferably, when the plug rod moves towards the U-shaped pipe, the cooling liquid is pushed into the cooling box through the one-way valve two; and when the plug rod moves away from the U-shaped pipe, the cooling liquid is sucked into the U-shaped pipe through the one-way valve one.
[0012] Preferably, the bottom of the shield is fixedly installed with a motor, the output end of the motor is fixedly connected with a gear, and the gear is in meshing contact with the inner tooth ring.
[0013] Preferably, the circumferential side wall of the shield is provided with two symmetrically distributed limiting openings, the bottom of the shield is fixedly installed with a locking piece, the locking piece comprises a positioning seat fixed to the bottom of the shield, a screw rod is rotatably arranged in the positioning seat, a sliding block is threadedly sleeved on the screw rod, and a limiting block is fixedly connected to the end of the sliding block; and when the shield is locked, the limiting block is inserted into the limiting opening.
[0014] (Three) beneficial effects
[0015] The utility model provides a tumor radiotherapy treatment head has the following beneficial effects:
[0016] 1. In the utility model, a shield is arranged outside the emitting source body, the shield protects the emitting source body, avoids medical staff from touching the high-temperature emitting source body, and an opening is arranged on the circumferential surface of the shield to facilitate heat dissipation; a fan capable of making circumferential motion is arranged on the outer circumferential surface of the shield, the fan is arranged to dissipate heat of the emitting source body, and the heat dissipation effect is further improved.
[0017] 2. In the utility model, the cooling box and the U-shaped pipe are arranged to absorb heat of the emitting source body; when the magnet one on the surface of the fan corresponds to the magnet two on the U-shaped pipe, repulsion is generated; when the magnet one on the surface of the fan does not correspond to the magnet two on the U-shaped pipe, the plug rod moves away from the U-shaped pipe; the cooling liquid is sucked into the U-shaped pipe through the one-way valve one; the cooling liquid is pushed into the cooling box through the one-way valve two; the cooling liquid in the U-shaped pipe is replaced; the U-shaped pipe is arranged at the opening, and heat absorption is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A front perspective structure view of the tumor radiotherapy treatment head is provided in the utility model;
[0019] Figure 2 A split state perspective structure view of the tumor radiotherapy treatment head is provided in the utility model;
[0020] Figure 3 For Figure 1 the rear perspective structure view of the tumor radiotherapy treatment head;
[0021] Figure 4 the locking member structure diagram of the tumor radiotherapy treatment head provided by the utility model;
[0022] Figure 5 the partial structure diagram of the tumor radiotherapy treatment head provided by the utility model;
[0023] Figure 6 the cooling box and U-shaped pipe connecting structure diagram of the tumor radiotherapy treatment head provided by the utility model.
[0024] In the figure: 1, machine body; 2, emitting source body; 3, collar; 4, shield; 401, opening; 402, limit port; 5, locking member; 51, positioning seat; 52, screw rod; 53, sliding block; 54, limit block; 6, inner tooth ring; 7, gear; 8, motor; 9, connecting rod; 10, fan; 11, magnet one; 12, U-shaped pipe; 13, cooling box; 14, one-way valve one; 15, one-way valve two; 16, inserting rod; 17, spring; 18, side branch pipe; 19, magnet two. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0026] Please refer to Figures 1 to 6 The utility model provides a technical scheme: a tumor radiotherapy treatment head, including machine body 1, fixed installation in the emitting source body 2 of machine body 1 bottom, machine body 1 bottom fixedly connected with collar 3, collar 3 is set on the outside of emitting source body 2, the bottom of collar 3 is screw mounted with shield 4, the surface of shield 4 is provided with the opening 401 of circumferential distribution, the bottom of shield 4 is rotatably installed with inner tooth ring 6, one end of inner tooth ring 6 is fixedly connected with connecting rod 9, the other end of connecting rod 9 is fixedly connected with fan 10, and fan 10 is located on the side of shield 4.
[0027] When completing radiotherapy work, shield 4 is screw mounted on the surface of collar 3, by setting a shield 4 outside emitting source body 2, shield 4 protects emitting source body 2, avoids medical staff from touching high-temperature emitting source body 2, and opening 401 is arranged on the circumferential surface of shield 4, which facilitates heat dissipation; and a fan 10 that can make circumferential motion is arranged on the outer circumferential surface of shield 4, fan 10 is arranged to dissipate heat for emitting source body 2, to further improve the heat dissipation effect.
[0028] The outer circumferential side wall of the shield 4 is fixedly connected with a cooling box 13, and the top of the cooling box 13 is communicated with a U-shaped pipe 12, and the two ends of the U-shaped pipe 12 are respectively provided with a one-way valve one 14 and a one-way valve two 15.
[0029] The U-shaped pipe 12 is communicated with a side branch pipe 18, the side branch pipe 18 is movably inserted with a plug rod 16, the plug rod 16 and the side branch pipe 18 are fixedly connected with a spring 17, the end of the plug rod 16 is fixedly connected with a magnet two 19, and the side wall of the fan 10 is fixedly installed with a magnet one 11.
[0030] The setting of the cooling box 13 and the U-shaped pipe 12 can absorb the heat at the emission source body 2, and the fan 10 can make circumferential motion, when the magnet one 11 on the surface of the fan 10 and the magnet two 19 on the U-shaped pipe 12 are positionally corresponding, repulsion force is generated, at this time, the plug rod 16 moves towards the U-shaped pipe 12, and the cooling liquid is pushed into the cooling box 13 through the one-way valve two 15; with the continuous circumferential motion of the fan 10, when the magnet one 11 on the surface of the fan 10 and the magnet two 19 on the U-shaped pipe 12 are not positionally corresponding, the spring 17 releases elastic force, and pushes the plug rod 16 to move away from the U-shaped pipe 12, and the cooling liquid is sucked into the U-shaped pipe 12 through the one-way valve one 14, so that the replacement of the cooling liquid in the U-shaped pipe 12 is realized, and the U-shaped pipe 12 is arranged at the opening 401, so that heat absorption is facilitated.
[0031] When the plug rod 16 moves towards the U-shaped pipe 12, the cooling liquid is pushed into the cooling box 13 through the one-way valve two 15; when the plug rod 16 moves away from the U-shaped pipe 12, the cooling liquid is sucked into the U-shaped pipe 12 through the one-way valve one 14.
[0032] The bottom of the shield 4 is fixedly installed with a motor 8, the output end of the motor 8 is fixedly connected with a gear 7, and the gear 7 is in meshing contact with the inner tooth ring 6.
[0033] The motor 8 is started, the gear 7 is driven to rotate, the gear 7 drives the inner tooth ring 6 to rotate, the inner tooth ring 6 drives the fan 10 to rotate through the connecting rod 9, and the fan 10 blows the emission source body 2 to dissipate heat.
[0034] The circumferential side wall of the shield 4 is provided with two symmetrically distributed limiting openings 402, and the bottom of the shield 4 is fixedly installed with a locking piece 5, the locking piece 5 comprises a positioning seat 51 fixed to the bottom of the shield 4, a screw rod 52 is movably inserted into the positioning seat 51, a sliding block 53 is threadedly sleeved on the screw rod 52, and the end of the sliding block 53 is fixedly connected with a limiting block 54.
[0035] When the shroud 4 is screwed on the sleeve 3, then the screw rod 52 is rotated, the screw rod 52 drives the sliding block 53 to move linearly, the sliding block 53 drives the limiting block 54 to move linearly, the end of the limiting block 54 enters the inside of the limiting port 402, the locking purpose of the shroud 4 is realized, and the shroud 4 is prevented from being deflected.
[0036] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A tumor radiotherapy treatment head, characterized by: The utility model relates to a kind of cooling device of heat dissipation fan, including body (1), fixedly installed in the launching source body (2) of bottom of body (1), the bottom of the body (1) is fixedly connected with collar (3), the collar (3) is sleeved on the outside of launching source body (2), the bottom of the collar (3) is threadedly installed with shroud (4), the surface of the shroud (4) is provided with the opening (401) of circumferential distribution, the bottom of the shroud (4) is rotatably installed with inner tooth ring (6), the other end of the inner tooth ring (6) is fixedly connected with connecting rod (9), the other end of the connecting rod (9) is fixedly connected with fan (10), and the fan (10) is located in the side of shroud (4).
2. The tumor radiotherapy treatment head of claim 1, wherein: The outer circumferential side wall of the shroud (4) is fixedly connected with a cooling tank (13), and the top of the cooling tank (13) is communicatively provided with a U-shaped tube (12). The U-shaped tube (12) is provided with a one-way valve I (14) and a one-way valve II (15) at both ends, respectively.
3. The tumor radiotherapy treatment head of claim 2, wherein: A side branch pipe (18) is communicatively provided on the U-shaped tube (12). The side branch pipe (18) is movably inserted with a plug rod (16). The plug rod (16) and the side branch pipe (18) are fixedly connected with a spring (17). The end of the plug rod (16) is fixedly connected with a magnet II (19). The side wall of the fan (10) is fixedly installed with a magnet I (11).
4. The tumor radiotherapy treatment head of claim 3, wherein: When the plug rod (16) moves towards the U-shaped tube (12), the cooling liquid is pushed into the cooling tank (13) through the one-way valve II (15). When the plug rod (16) moves away from the U-shaped tube (12), the cooling liquid is sucked into the U-shaped tube (12) through the one-way valve I (14).
5. The tumor radiotherapy treatment head of claim 1, wherein: The bottom of the shroud (4) is fixedly installed with a motor (8). The output end of the motor (8) is fixedly connected with a gear (7). The gear (7) is in meshing contact with the inner tooth ring (6).
6. The tumor radiotherapy treatment head of claim 1, wherein: The circumferential side wall of the shroud (4) is provided with two symmetrically distributed limiting openings (402). The bottom of the shroud (4) is fixedly installed with a locking member (5). The locking member (5) includes a positioning seat (51) fixed to the bottom of the shroud (4). The positioning seat (51) is movably inserted with a screw rod (52). The screw rod (52) is threadedly sleeved with a sliding block (53). The end of the sliding block (53) is fixedly connected with a limiting block (54). When the shroud (4) is locked, the limiting block (54) is inserted into the limiting opening (402).