Improved fixing diaphragm for breast radiotherapy

Abstract

The utility model relates to the technical field of breast radiotherapy, and discloses an improved breast radiotherapy fixing diaphragm which comprises a treatment bed, a fixing diaphragm body is installed at the top end of the treatment bed, the two sides of the treatment bed are fixedly connected with fixing blocks, the bottom ends of the two sides of the fixing diaphragm body are fixedly connected with moving rods, and the moving rods are fixedly connected with the fixing blocks. The bottom end of the moving rod is fixedly connected with a push-pull plate, a sliding groove is formed in the fixing block, the interior of the sliding groove is slidably connected with the moving rod, and connecting grooves are formed in the two ends of the moving rod. According to the improved fixing diaphragm for breast radiotherapy, by adopting the modularly designed tightness adjusting mechanism, the fixing diaphragm main body is not easy to loosen and has relatively high stability and reliability during tightness adjustment, so that radiotherapy errors caused by improper fixation can be effectively reduced, and the accuracy of the radiotherapy process is ensured; therefore, the treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to breast radiotherapy technical field especially relates to an improved breast radiotherapy fixed diaphragm. BACKGROUND

[0002] In the early breast cancer patient population, the radiotherapy after breast-conserving surgery constitutes the key link of the comprehensive treatment scheme, which aims at eliminating the possible residual cancer cells by using high-energy rays to reduce the probability of local recurrence and strive to achieve the local control effect equivalent to radical mastectomy, in the radiotherapy process, a fixed diaphragm is adopted, which mainly ensures the stability of the patient's chest position, thereby optimizing the curative effect of radiotherapy.

[0003] Chinese patent discloses a kind of fixed diaphragm for breast radiotherapy (grant announcement number CN211068801U), chest part is provided with hollow on the patent technology, hollow can ensure that breast part naturally droops, is not deformed by the extrusion of diaphragm, while the chest part outside hollow can be positioned according to the bony landmark of human body, fixed edge strip can be connected with fixed frame and be fixed, ensure the position consistency when multiple radiotherapy, it is convenient for the positioning and reset of fixed diaphragm.

[0004] For the above and existing related technologies, the inventor believes that the following defects often exist: the fixed diaphragm currently applied to breast radiotherapy usually uses a bandage or medical double-sided tape as a fixing means when fixed with the edge of the treatment bed, however, these fixing methods are prone to displacement during subsequent use, thereby affecting the accuracy of radiotherapy. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is that the existing fixed diaphragm is prone to displacement due to the existing fixing method, therefore, an improved fixed diaphragm for breast radiotherapy is proposed.

[0006] In order to achieve the above-mentioned purpose, the following technical solutions are adopted in the present application: an improved fixed diaphragm for breast radiotherapy, comprising a treatment bed, a fixed diaphragm main body is installed at the top end of the treatment bed, fixed blocks are fixedly connected to both sides of the treatment bed, moving rods are fixedly connected to the bottom end of both sides of the fixed diaphragm main body, a push-pull plate is fixedly connected to the bottom end of the moving rod, a sliding groove is formed in the inside of the fixed block, the inside of the sliding groove is in sliding connection with the moving rod, connection grooves are formed at both ends of the moving rod, elastic springs are fixedly connected to the surface of the connection grooves, limit blocks are fixedly connected to the end of the elastic springs, limit grooves are formed at both ends in the inside of the sliding groove, a handle is fixedly connected to one side of the limit block, an I-shaped slot is formed in one side of the fixed block.

[0007] Preferably, the top end and the bottom end of the connecting groove are provided with a sliding groove, the top end and the bottom end of the limiting block are fixedly connected with a sliding block, and the sliding groove is in sliding connection with the sliding block.

[0008] Preferably, the bottom end of the fixing block is fixedly connected with a reset spring, the number of the reset springs is two, and one end of the reset spring close to the push-pull plate is fixedly connected with the push-pull plate.

[0009] Preferably, one side of the sliding groove is provided with a T-shaped groove, one side of the moving rod is fixedly connected with a T-shaped block, and the T-shaped groove is in sliding connection with the T-shaped block.

[0010] Preferably, the surface of the fixed diaphragm body is provided with a positioning plate, the number of the positioning plates is two and is symmetrically distributed.

[0011] Preferably, the surface of the fixed diaphragm body is provided with a ventilation hole, the number of the ventilation holes is several and is uniformly distributed on the surface of the fixed diaphragm body, and the inner face of the fixed diaphragm body is coated with an antibacterial coating.

[0012] Preferably, the front end of the fixed diaphragm body is provided with a first gap, the number of the first gaps is two and is symmetrically distributed, and the front end of the fixed diaphragm body is provided with a second gap.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] In the utility model, when medical staff need to adjust the fixed diaphragm body to the position suitable for the chest of a patient, the handle is pulled to the inside to pull out the limiting block from the limiting groove, so that the moving rod is released from the limiting, then the push-pull plate is pulled to drive the moving rod to pull the fixed diaphragm body downwards, and the other end of the moving rod is operated in the same way, when the fixed diaphragm body is completely close to the chest of the patient, the handle is released, the elastic spring drives the limiting block to pop out into the limiting groove, so that the moving rod and the fixed diaphragm body are limited synchronously, the adjustment of the tightness of the fixed diaphragm body is achieved. ACCURACY

[0015] Figure 1 It is the fixed diaphragm and the treatment bed of the utility model schematic diagram;

[0016] Figure 2 It is the fixed diaphragm and the tension structure of the utility model and the enlarged schematic diagram in the drawing;

[0017] Figure 3The moving rod fixing mode schematic view of the utility model;

[0018] Figure 4 The fixed block internal structure section and the enlarged schematic view in the drawing of the utility model;

[0019] Figure 5 The moving rod auxiliary moving structure schematic view of the utility model.

[0020] Legend: 1, treatment bed; 2, fixed diaphragm main body; 3, fixed block; 4, moving rod; 5, push-pull plate; 6, sliding groove; 7, connecting groove; 8, elastic spring; 9, limiting block; 10, limiting groove; 11, handle; 12, I-shaped slot; 13, sliding groove; 14, sliding block; 15, reset spring; 16, T-shaped groove; 17, T-shaped block; 18, positioning plate; 19, air hole; 20, first gap; 21, second gap. DETAILED DESCRIPTION

[0021] The utility model will be explained further in detail in combination with the drawings and preferred embodiments, these drawings are all simplified schematic view, only with the schematic way the basic structure of the utility model is shown, therefore it only shows the constitution related with the utility model.

[0022] Reference Figure 1 - Figure 3As shown, the utility model provides a technical scheme: an improved fixed diaphragm for breast radiotherapy, including treatment bed 1, the top of treatment bed 1 is equipped with fixed diaphragm main part 2, both sides of treatment bed 1 are fixedly connected with fixed block 3, the bottom of both sides of fixed diaphragm main part 2 is fixedly connected with moving rod 4, the bottom of moving rod 4 is fixedly connected with push-pull plate 5, the inside of fixed block 3 is equipped with sliding slot 6, the inside of sliding slot 6 is slidably connected with moving rod 4, both ends of moving rod 4 are equipped with connecting groove 7, the surface of connecting groove 7 is fixedly connected with elastic spring 8, the end of elastic spring 8 is fixedly connected with limit block 9, both ends in the inside of sliding slot 6 are equipped with limit slot 10, one side of limit block 9 is fixedly connected with handle 11, one side of fixed block 3 is equipped with I-shaped slot 12, when medical staff need to adjust fixed diaphragm main part 2 to the position of suitable patient's chest, pull handle 11 to the inside to make limit block 9 pull out from limit slot 10, in turn make moving rod 4 release limit, again pull push-pull plate 5 to drive moving rod 4 to make fixed diaphragm main part 2 be pulled down tightly, and the operation of moving rod 4 is carried out similarly to another end, when fixed diaphragm main part 2 is completely pasted to patient's chest, release handle 11, elastic spring 8 drives limit block 9 to pop out to limit slot 10, make moving rod 4 and fixed diaphragm main part 2 synchronous limit, reach the adjustment of fixed diaphragm main part 2 tightness, through the tightness adjusting mechanism of modular design, can make fixed diaphragm main part 2 when carrying out tightness adjustment, not easy to produce slack and have higher stability and reliability, to effectively reduce the radiotherapy error caused by improper fixation, ensure the accuracy of radiotherapy process, thereby improve the treatment effect.

[0023] Referring to Figure 4 As shown in the embodiment: the top and bottom of the inside of connecting groove 7 are equipped with sliding groove 13, the top and bottom of limit block 9 are fixedly connected with sliding block 14, the inside of sliding groove 13 is slidably connected with sliding block 14, through the setting of sliding groove 13 and sliding block 14, when elastic spring 8 drives limit block 9 to pop out to limit slot 10, can make limit block 9 form stable limiting effect, to improve the stability and reliability of the whole device.

[0024] Referring to Figure 3 As shown in the embodiment: the bottom of fixed block 3 is fixedly connected with reset spring 15, the number of reset spring 15 is two, one end of reset spring 15 close to push-pull plate 5 is fixedly connected with push-pull plate 5, through the setting of reset spring 15, when fixed diaphragm main part 2 is used, limit moving rod 4, at this time, the elastic force stored in reset spring 15 is released to drive moving rod 4 to reset to the initial position quickly, to reach the quick reset of fixed diaphragm main part 2 after use, facilitate next use.

[0025] Referring to Figure 5As shown, in the embodiment: one side of the inside of the sliding groove 6 is provided with a T-shaped groove 16, one side of the moving rod 4 is fixedly connected with a T-shaped block 17, the inside of the T-shaped groove 16 is slidably connected with the T-shaped block 17, through the setting of the T-shaped groove 16 and the T-shaped block 17, when the moving rod 4 slides in the inside of the sliding groove 6, it can provide a stable guiding effect for it, so as to prevent the moving rod 4 from moving and causing the limiting block 9 to be unable to pop into the limiting groove 10, affecting the normal fixation of the moving rod 4.

[0026] Referring to Figure 2 As shown, in the embodiment: the surface of the fixed diaphragm body 2 is provided with a positioning plate 18, the number of the positioning plate 18 is two and is symmetrically distributed, through the setting of the positioning plate 18, it can help the radiotherapist to more accurately determine the position and range of breast radiotherapy, improve the accuracy and effect of radiotherapy, and reduce the misirradiation to the surrounding normal tissue.

[0027] Referring to Figure 2 As shown, in the embodiment: the surface of the fixed diaphragm body 2 is provided with a ventilation hole 19, the number of the ventilation hole 19 is several and is uniformly distributed on the surface of the fixed diaphragm body 2, the inner surface of the fixed diaphragm body 2 is coated with an antibacterial coating, through the setting of the ventilation hole 19 and the antibacterial coating, the fixed diaphragm body 2 can reduce skin irritation caused by factors such as local skin temperature being too high and sweat soaking when in use, and has a certain bacteriostatic effect, effectively preventing the patient from having local swelling or discomfort.

[0028] Referring to Figure 2 As shown, in the embodiment: the front end of the fixed diaphragm body 2 is provided with a first gap 20, the number of the first gap 20 is two and is symmetrically distributed, the front end of the fixed diaphragm body 2 is provided with a second gap 21, through the setting of the first gap 20 and the second gap 21, when the fixed diaphragm body 2 is attached to the chest of the patient, the first gap 20 and the second gap 21 can separate the underarms and the neck of the patient, so as not to touch these sensitive parts and cause discomfort to the patient, effectively improving the use comfort.

[0029] Working principle: when the medical staff need to adjust the fixed diaphragm body 2 to the position suitable for the patient's chest, pull the handle 11 inward to pull the limiting block 9 out of the limiting groove 10, and then release the limiting of the moving rod 4, then pull the push-pull plate 5 to drive the moving rod 4 to pull the fixed diaphragm body 2 downward, and the other end of the moving rod 4 is operated in the same way, when the fixed diaphragm body 2 is completely attached to the patient's chest, release the handle 11, the elastic spring 8 drives the limiting block 9 to pop into the limiting groove 10, so that the moving rod 4 and the fixed diaphragm body 2 are limited synchronously, and the tightness of the fixed diaphragm body 2 is adjusted; by adopting the modular design of the tightness adjusting mechanism, the fixed diaphragm body 2 is not easy to loosen and has high stability and reliability when the tightness is adjusted, so as to effectively reduce the radiotherapy error caused by improper fixation, ensure the accuracy of the radiotherapy process, improve the treatment effect, through the setting of the sliding groove 13 and the sliding block 14, when the elastic spring 8 drives the limiting block 9 to pop into the limiting groove 10, the limiting block 9 can form a stable limiting effect, thereby improving the stability and reliability of the whole device, through the setting of the reset spring 15, when the fixed diaphragm body 2 is used, the moving rod 4 is released from the limiting, at this time the elastic force stored in the reset spring 15 is released to drive the moving rod 4 to reset to the initial position quickly, so as to achieve the quick reset of the fixed diaphragm body 2 after use, which is convenient for next use, through the setting of the T-shaped groove 16 and the T-shaped block 17, when the moving rod 4 slides in the sliding groove 6, it can provide a stable guiding effect, thereby preventing the moving rod 4 from moving and causing the limiting block 9 to pop into the limiting groove 10, affecting the normal fixation of the moving rod 4, through the setting of the positioning plate 18, the doctor can more accurately determine the position and range of breast radiotherapy, improve the accuracy and effect of radiotherapy, and reduce the misirradiation to the surrounding normal tissue, through the setting of the air hole 19 and the antibacterial coating, the fixed diaphragm body 2 can reduce skin irritation caused by factors such as local high skin temperature and sweat soaking when in use, and has certain bacteriostatic effect, effectively preventing the patient from appearing local swelling or discomfort, through the setting of the first gap 20 and the second gap 21, when the fixed diaphragm body 2 is attached to the patient's chest, the first gap 20 and the second gap 21 can separate the patient's armpit and neck to prevent contacting these sensitive parts and causing discomfort to the patient, effectively improving the use comfort.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An improved immobilization membrane for breast radiotherapy, comprising a treatment couch (1), characterized in that: The top of the treatment bed (1) is provided with a fixed diaphragm body (2), both sides of the treatment bed (1) are fixedly connected with a fixed block (3), the bottom of both sides of the fixed diaphragm body (2) is fixedly connected with a moving rod (4), the bottom of the moving rod (4) is fixedly connected with a push-pull plate (5), the inside of the fixed block (3) is provided with a sliding groove (6), the inside of the sliding groove (6) is slidably connected with the moving rod (4), both ends of the moving rod (4) are provided with a connecting groove (7), the surface of the connecting groove (7) is fixedly connected with an elastic spring (8), the end of the elastic spring (8) is fixedly connected with a limiting block (9), both ends of the sliding groove (6) are provided with a limiting groove (10), one side of the limiting block (9) is fixedly connected with a handle (11), one side of the fixed block (3) is provided with an I-shaped slot (12).

2. The improved immobilization membrane for breast radiotherapy of claim 1, wherein: The top and bottom of the connecting groove (7) are provided with a sliding groove (13), the top and bottom of the limiting block (9) are fixedly connected with a sliding block (14), the inside of the sliding groove (13) is slidably connected with the sliding block (14).

3. The improved immobilization membrane for breast radiotherapy of claim 1, wherein: The bottom of the fixed block (3) is fixedly connected with a reset spring (15), the number of the reset spring (15) is two, one end of the reset spring (15) close to the push-pull plate (5) is fixedly connected with the push-pull plate (5).

4. The improved immobilization membrane for breast radiotherapy of claim 1, wherein: One side of the sliding groove (6) is provided with a T-shaped groove (16), one side of the moving rod (4) is fixedly connected with a T-shaped block (17), the inside of the T-shaped groove (16) is slidably connected with the T-shaped block (17).

5. The improved immobilization membrane for breast radiotherapy of claim 1, wherein: The surface of the fixed diaphragm body (2) is provided with a positioning plate (18), the number of the positioning plate (18) is two and is symmetrically distributed.

6. The improved immobilization membrane for breast radiotherapy of claim 1, wherein: The surface of the fixed diaphragm body (2) is provided with a breathable hole (19), the number of the breathable hole (19) is several and is uniformly distributed on the surface of the fixed diaphragm body (2), the inner surface of the fixed diaphragm body (2) is coated with an antibacterial coating.

7. The improved immobilization membrane for breast radiotherapy of claim 1, wherein: The front end of the fixed diaphragm body (2) is provided with a first gap (20), the number of the first gap (20) is two and is symmetrically distributed, the front end of the fixed diaphragm body (2) is provided with a second gap (21).

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