CN104721962B - breast radiotherapy body frame - Google Patents

Abstract

The invention relates to a mammary gland radiotherapy body frame, which comprises a base support plate and two side support plates, the side support plates are vertically arranged on both sides of the base support plate, and the two sides of the base support plate are respectively provided with more than one row of inserting plate holes, It is used to fix the side support plate; the end of the side support plate close to the head is provided with multiple handshake rod sockets for fixing the handshake rod; adjacent to the handshake rod socket, there are multiple arm support rod sockets for fixing the arm Support, the arm support rod is provided with arc-shaped arm support, the arm support rod and the arm support are detachably connected, the base support plate is provided with a headrest, and also includes auxiliary fixing materials such as body position vacuum bags or foaming materials. The present invention adopts the above-mentioned technical scheme, and during the radiotherapy process, adopting a lateral position can reduce the irradiation of heart and lung tissues, and effectively protect normal tissues and organs.

Description

Breast radiation therapy frame

technical field

The invention relates to a body frame for breast radiotherapy, in particular to a body frame for breast radiotherapy in a lateral position, which belongs to a medical device used as a fixed body position in the clinical work of tumor radiotherapy.

Background technique

Breast radiotherapy body frame is an important auxiliary device for breast radiotherapy. Traditional breast radiotherapy positions adopt two positions, prone and supine. With prone or supine position, the repeatability of body position during radiotherapy is very good, which can well guarantee the quality of radiotherapy. However, if the supine or prone position is adopted, the organs and tissues on the affected side will be irradiated with high doses and the volume will be large, resulting in a very large loss of cardiopulmonary tissue by radiotherapy.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies in the above technologies, and provide a breast radiotherapy body frame for fixed body position, which can reduce the radiation damage of normal tissues such as heart and lungs and can better repeatedly locate the target area that needs radiotherapy .

The study found that when breast cancer patients undergo chemotherapy in the lateral position, the position of the heart and lung tissue will change greatly due to the effect of gravity, and the position will move downward compared with prone or supine, thereby reducing the volume of the affected side's heart and lung tissue exposed to high doses , Therefore, the present invention has obtained a kind of mammary gland radiotherapy body frame that is used for lateral position.

The body frame for breast radiotherapy of the present invention is used to fix the patient's lateral position. It includes a base support plate and two side support plates. The two sides of the base support plate are respectively provided with more than one row of inserting plate holes, and the side support plates are vertically inserted into the In the inserting plate hole; the end of the side support plate close to the head is provided with a plurality of handshake lever jacks along the edge for fixing the handshake lever; adjacent to the inner side of the handshake lever jack, there are multiple arm support rod jacks for Fixed arm rest.

However, if the above-mentioned breast radiotherapy body frame is used for side-lying body position radiotherapy, the repeatability of the body position during radiotherapy is not good, which will cause the target area to be located outside the radiation field due to body position changes, and radiotherapy failure will occur. In view of this situation, the present invention further sets auxiliary body position fixing materials to solve this problem: the radiotherapy body frame of the present invention also includes auxiliary body position fixing materials, such as body position vacuum bags or other foaming materials, which are used to limit the movement of the patient's body position , which is conducive to the accuracy and repeatability of radiotherapy positioning.

A headrest is arranged on the base support plate.

The neck and chest parts of the side support plate are provided with hollow grids or are made of materials that have little influence on radioactivity.

The position of the neck and shoulder of the base support plate is provided with several mounting holes for fixing the head, neck and shoulder fixed membrane.

The handshake lever is designed in a concave-convex shape, and the concave part between the two protrusions serves as a handshake position for the patient.

An arm support rod is arranged in the socket of the arm support rod, and the arm support rod is detachably connected with the arm support rod.

A rotatable arc-shaped plate is arranged on the arm support rod, and more than one row of positioning holes are arranged on the arc-shaped plate to fix the arm support.

The beneficial effects of the present invention are: during the radiotherapy process, the patient adopts a side lying position with the breast on the affected side, the position of the side support plate is adjusted to fix the patient's body position, and then the arm on the affected side needs to be raised to adjust the position of the upper limb , let the patient hold the handshake bar, fix the arm with the arm support, and fix the head, neck and shoulders with the head, neck and shoulder fixation film, and use vacuum bags or other foaming materials as materials to assist the patient's position fixation. Better and individualized repetition of patient treatment positions effectively protects normal tissues and organs.

Description of drawings

Figure 1 is a schematic front view of the present invention.

Fig. 2 is a schematic structural view of the side support plate of the present invention.

Fig. 3 is a structural schematic diagram of the base support plate of the present invention.

Figure 4 shows the position of the heart and lungs when the patient is supine.

Figure 5 shows the position of the heart and lungs when the patient is lying on his side.

detailed description

The present invention will be further described below in conjunction with accompanying drawing:

Referring to FIG. 1 , FIG. 2 , and FIG. 3 , it shows a schematic structural view of a body frame for breast radiotherapy in a lateral position according to a specific embodiment of the present invention. Wherein, the body frame includes a base support plate 1 and two side support plates 2, and the two ends of the base support plate are respectively provided with more than one row of inserting plate holes 3 for vertically fixing the side support plates 2. Side support plate 2 is inserted in the plate hole 3 that needs, and the thickness of jack foot 13 under side support plate 2 is slightly smaller than the width of plate hole 3, and the patient can, under the effect of side support plate 2 on both sides, Maintain the patient's side posture; one end of the side support plate 2 is provided with a plurality of handshake rod jacks 4 for fixing the handshake rod 5, the diameter of the handshake rod 5 matches the diameter of the handshake rod jack 4, and can be easily inserted and pulled out ; On the side support plate 2, adjacent to the handshake lever jack 4, there are a plurality of arm support rod jacks 6 for fixing the arm support 8, and the arc-shaped arm support 8 adapted to the human arm is located on the arm support On the rod 7, the patient takes a side lying position, the arm on the affected side needs to be lifted up, and the handshake rod 5 is held. Determine the fixed position, adjust the position of the upper limbs, and insert the handshake rod 5 and the arm support rod 7 into the different sockets 4 and 6 on the side support plate 2 respectively according to the length of the patient's arm, and the arm support rod 7 It is detachably connected with the arm rest 8, and the patient’s arm can be placed and fixed by adjusting the position and angle of the arm rest 8. The arm rest 8 is fixed to the positioning hole 11 on the arc-shaped plate 10 below the arm rest 8, which is convenient for alignment. Determination of arm fixation in the same patient. The body frame is also equipped with a body position vacuum bag or other foaming materials as materials to assist the patient’s position fixation. The radiotherapy patient lies on the side on the body position vacuum bag, and adjusts the upper and lower positions of the body according to the lesion range. After the affected arm holds the handshake position, the vacuum bag Closely attached to the patient, the vacuum pump sucks the negative pressure, the vacuum bag hardens to the shape, and the required treatment position is obtained, and the change of the patient's position after being fixed is limited, which is conducive to the accuracy and repeatability of radiotherapy positioning. The base support plate 1 is provided with a headrest 9 and adapts to the requirements of different patients on the degree of lying on the head.

In addition, the neck and chest of the side support plate 2 is provided with a hollowed-out grid 12 as shown in accompanying drawing 2. In the accompanying drawing embodiment of the present invention, the hollowed-out grid 12 is two symmetrical pieces, and its function is to reduce the impact of radioactive elements. Influenced by cervical and chest organ tissues, the hollow grid 12 can also be made of materials that have little effect on radioactivity, such as cloth, carbon fiber composite materials, and the like.

The base bracket plate 1 is also provided with a head, neck and shoulder fixation membrane installation hole 14, which is beneficial to fix the head, neck and shoulders of the patient when the patient is lying on his side.

After using the device of the present invention to locate the patient, it was found by comparing the positions of the heart and lungs that the patient changed to the lateral position, that is, the affected breast was placed on the upper side for radiotherapy, and the position of the heart and lungs changed greatly under the action of gravity. The position of the heart and lungs has shifted significantly downward by about 3 cm compared to the supine and prone positions (see Figure 4 and Figure 5). Radiotherapy in the lateral position can reduce the volume of the heart irradiated by high-dose radioactive elements by about 30%. The irradiated volume of the lung was reduced by more than 16%, effectively protecting normal tissues and organs.

The next step is to perform relevant radiotherapy technical operations on the patient.

In the embodiment of the present invention, the structures of the two left and right side support plates are completely symmetrical and consistent. If a patient needs breast chemotherapy on the other side, he only needs to turn over and lean against the other side support plate.

Through the above measures, the repeatability of the patient's position during treatment and between treatment sessions can be ensured, and the patient's treatment position can be repeated individually, while reducing the radiation damage to normal tissues and organs.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A body frame for breast radiotherapy, characterized in that: it is used for breast radiotherapy in the lateral position, the body frame includes a base support plate (1) and two side support plates (2), and the two sides of the base support plate (1) are respectively There are more than one row of inserting plate holes (3), and the side support plate (2) is vertically inserted into the inserting plate holes (3); the side support plate (2) is provided with a plurality of handshake lever jacks along the edge near the head ( 4), used to fix the handshake lever (5); on the side support plate (2) adjacent to the handshake lever socket (4), there are multiple arm support rod sockets (6), arm support rod sockets ( 6) An arm support rod (7) is arranged inside, and a rotatable arc-shaped plate (10) is arranged on the arm support rod (7), and more than one row of positioning holes (11) are provided on the arc-shaped plate (10) for to secure the Armrest (8). 2 . The body frame for breast radiotherapy according to claim 1 , further comprising auxiliary body position fixing materials for limiting changes in the patient's body position. 3 . 3. The body frame for breast radiotherapy according to claim 2, characterized in that the auxiliary body position fixing material is a body position vacuum bag or a foam material. 4. The body stand for breast radiotherapy according to claim 1, characterized in that a headrest (9) is provided on the base support plate (1). 5. The body frame for breast radiotherapy according to claim 1, characterized in that the neck and chest parts of the side support plate (2) are provided with hollow grids (12). 6. The body frame for breast radiotherapy according to claim 1 or 2, characterized in that several installation holes (14) are provided at the neck and shoulder position of the base support plate (1) for fixing the head, neck and shoulder immobilization membrane. 7. The body frame for breast radiation therapy according to claim 1, characterized in that the handshake lever (5) is designed in a concave-convex shape, and the depression between the two protrusions is used as the patient's handshake position.