Wearable partitioned pressurizing device for precise radiotherapy of body

Abstract

The utility model relates to a wearable partitioned pressurizing device for precise radiotherapy of a body. The wearable partitioned pressurizing device comprises a main body part, at least two chest air bags and shoulder straps for fixing are arranged above the main body part; at least two abdomen air bags are arranged below the chest air bag; a first waist belt and a second waist belt are respectively arranged on the main body part and positioned on two sides of the abdomen air bag; rulers are arranged on the first waistband and the second waistband; the chest air bag and the belly air bag are both provided with air bag air taps used for being connected with the inflation assembly. The main body part is made of artificial leather and plastic accessories and is in a vest type or waistcoat type structural appearance, and nylon hasps and marking rulers are arranged on the shoulder straps, the first waist belt and the second waist belt, so that the degree of tightness can be conveniently adjusted to be suitable for patients with various body types. The characteristics of chest breathing and abdominal breathing are considered, zonal pressurization is performed from physiological and anatomical structures, a respective pressurization mode of the left chest, the right chest, the upper abdomen and the lower abdomen is designed, and the requirements of individualized and wider patients can be met.

Description

Technical Field

[0001] The utility model relates to the field of abdominal pressure devices, and in particular to a wearable partitioned pressure device for precise body radiotherapy. Background Art

[0002] The CyberKnife's fixed safety zone refers to the area of ​​space where the robot is not permitted to enter. This safety zone is fixed relative to the center of the machine. Abdominal compression arches and proprietary frame-based products may be affected by the CyberKnife's fixed safety zone, limiting their beam to the abdominal area and making them inappropriate for CyberKnife stereotactic radiation. Furthermore, 4DCT may obstruct the projection of compression arches or other frames when establishing respiratory curves.

[0003] Studies have shown that applying pressure to different locations between the xiphoid process and the umbilicus reduces respiratory liver movement to some extent, with the most significant reduction occurring in the upper segment between the xiphoid process and the umbilicus. Another study divided the liver into three sections under abdominal pressure: within 2 cm of the portal vein, 2 to 5 cm from the portal vein, and 5 cm from the portal vein, to evaluate the range of mobility of lesions in different locations. The results showed that lesions in all locations moved most significantly in the cranio-caudal direction, and as the distance from the lesion to the portal vein increased, the range of its extension in the cranio-caudal direction also increased. In particular, lesions located outside 5 cm of the portal vein had a greater extension in the dorsal-ventral direction than lesions within 5 cm. Therefore, the design of an abdominal compression device based on anatomical divisions is necessary.

[0004] Respiratory movement can be divided into abdominal breathing and thoracic breathing. Whether this is thoracic breathing or abdominal breathing, the human body will experience some movement, which will also cause the target area and organs at risk to move, thus reducing the accuracy of radiotherapy. Existing abdominal compression devices cannot take into account the limitations of both abdominal and thoracic breathing.

[0005] One of the most important control techniques for precision radiotherapy of the body, represented by SBRT for liver cancer, is respiratory motion management, exemplified by abdominal compression techniques. Respiratory motion-induced liver tumor displacement can reach up to 30 mm. Among various respiratory motion management methods, abdominal compression techniques are particularly suitable for SBRT for liver cancer. Abdominal compression techniques apply appropriate pressure to the abdomen, inhibiting the effects of respiratory motion by reducing diaphragmatic movement, effectively reducing the mobility of abdominal organ tumors. By compressing the target volume's range of motion and reducing the volume of the ITV (internal target volume), abdominal compression techniques allow patients to receive stereotactic radiotherapy in a free-breathing state while minimizing the risk of overirradiation of the liver or gastrointestinal tract due to an increase in the planning target volume (PTV). Due to its simplicity and applicability, it is gaining increasing attention and has been used in precision radiotherapy for body tumors such as liver cancer, pancreatic cancer, and lung cancer.

[0006] The research and application of abdominal compression technology is a current research hotspot. It should be recognized that respiratory motion has individual differences, so personalized management strategies are needed. Although abdominal compression is an effective method of motion control, it is not necessarily suitable for all patients. Patient factors should be fully considered, and the benefits of abdominal compression should be comprehensively evaluated against the risks of possible increased motion and patient discomfort. In addition, respiratory motion is most significant in the head and feet direction, which poses a major challenge to abdominal SBRT because the target may move out of the beam range. When respiratory motion exceeds 1.0 cm, it will significantly affect the dose distribution.

[0007] Abdominal compression technology is to achieve the purpose of suppressing respiratory movement through a certain abdominal pressure device. Common basic devices include: (1) Abdominal compression arch: The most common one is a triangular abdominal compression plate connected to an arch bridge and fixed to the body plate. The abdominal compression plate is usually placed under the xiphoid process. The adjustment rod of the abdominal compression plate has a scale to control the application of appropriate pressure to limit the patient's respiratory amplitude. Abdominal compression devices represented by BodyFIX of Elekta Company of Sweden and abdominal compression arch of Colaridi Company of China have the following disadvantages: first, they are expensive and cost hundreds of thousands or even millions of yuan; second, their carbon fiber abdominal compression plate can only compress a part of the area under the xiphoid process and cannot limit the movement of the chest and other abdominal areas with breathing. Therefore, the overall control range of tumor / organ movement with breathing is limited; third, when 4DCT establishes the respiratory curve, the projected light will be blocked by the abdominal compression arch or other frames; in addition, this type of product and subsequent improved patented products based on frames are limited by the fixed safety zone of CyberKnife and cannot be used for CyberKnife stereotactic radiotherapy. (2) Simple abdominal airbag pressurization device: The common problem of existing simple devices or improved patented devices is that the airbag width is insufficient or unreasonable, and the abdominal pressure effect is limited. They lack the ability to differentiate between chest and abdominal breathing, and do not consider the abdominal pressure requirements from an individualized physiological and anatomical perspective. In addition, some patents have been improved on this basis.

[0008] CN 211434810 U utility model provides a medical radiotherapy device, comprising a fixing plate, an abdominal fixing frame and an abdominal air bag, wherein the surface of the fixing plate is provided with a baffle for surrounding a lying position of an adult. The disadvantage is that the device has poor versatility and adaptability.

[0009] CN 115227986 A discloses a pressure-type abdominal pressure belt for precise radiotherapy positioning, a positioning device, and a positioning method. The belt comprises a fixing belt and a support plate, the bottom of which is fixedly connected to a first cylinder, and the fixing belt is fixed to the output end of the first cylinder. However, the belt has the disadvantage of being overly complex, with metal components such as the cylinder, screws, and springs, which may cause radiation attenuation and image interference. Utility Model Content

[0010] In order to solve the above-mentioned problems in the prior art, the utility model provides a wearable zoned pressurization device for precise body radiotherapy.

[0011] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0012] A wearable zoned pressurization device for precise body radiotherapy comprises a main body; at least two chest airbags and shoulder straps for fixation are provided above the main body; at least two abdominal airbags are provided below the chest airbags; a first waist belt and a second waist belt are provided on either side of the abdominal airbag on the main body; rulers are provided on the first waist belt and the second waist belt; and airbag nozzles for connecting to inflation components are provided on both the chest airbag and the abdominal airbag.

[0013] Furthermore, the chest airbag or the abdominal airbag is provided with a Velcro strip for fixing a marker.

[0014] Furthermore, two chest airbags are provided, which are respectively provided on the left and right sides above the main body.

[0015] Furthermore, two abdominal airbags are provided, which are respectively provided on the upper and lower sides below the main body.

[0016] Furthermore, the first belt is provided with a woolen hook surface; the second belt is provided with a woolen fleece surface; the first belt and the second belt are fixed by gluing the woolen hook surface and the woolen fleece surface.

[0017] Furthermore, the first waist belt and the second waist belt are respectively provided with buckles; the buckles are connected to the mounting components on the integrated body plate.

[0018] Furthermore, the upper portion of the main body includes a first connecting portion and a second connecting portion located on the left and right sides respectively; the first connecting portion and the second connecting portion are detachably connected; and shoulder straps are provided on the tops of the first connecting portion and the second connecting portion.

[0019] Furthermore, a chest airbag is provided on each of the first connecting portion and the second connecting portion.

[0020] Furthermore, a fixing portion is formed on one side of the first connecting portion close to the second connecting portion and extending toward the second connecting portion; a woolen hook surface is provided on the fixing portion; a woolen fleece surface is provided on the second connecting portion; the first connecting portion and the second connecting portion are fixed by gluing the woolen hook surface and the woolen fleece surface; a digital ruler is provided on the edge of the woolen fleece surface to facilitate confirmation of the connection position of the fixing portion and the second connecting portion.

[0021] Furthermore, the inflation component includes an air supply tube connected to the portable balloon and a pressure dial connected to the air supply tube for monitoring pressure; the inflation component is also provided with a knob; the air supply tube is connected to the air bag nozzle.

[0022] The beneficial effects of this utility model are as follows: the main body is made of artificial leather and plastic accessories, and has a vest-like structure. Velcro and markings are provided on the shoulder straps, first waist belt, and second waist belt, allowing for easy adjustment of tightness to accommodate patients of various body types. This utility model takes into account the characteristics of chest and abdominal breathing, and based on physiological and anatomical structures, adopts zoned pressure application, designing separate pressure modes for the left and right chests and upper and lower abdomen, thus meeting the individual needs of a wider range of patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is the main view of the structure of the utility model;

[0025] Figure 2 This is a partial rear view of the structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the inflatable component of the utility model;

[0027] Description of reference numerals:

[0028] 100. Main body; 110. First connecting part; 111. Fixing part; 122. Digital ruler; 121. Woolen pasted surface; 120. Second connecting part; 130. Shoulder strap; 140. Chest airbag; 141. Velcro strip; 142. Airbag nozzle; 150. Abdominal airbag; 161. First waist belt; 162. Second waist belt; 163. Buckle; 164. Waist belt bonding part; 165. Ruler; 200. Integrated body panel; 210. Mounting assembly; 211. Waist belt fixing part; 212. Lever; 300. Inflation assembly; 310. Handbag; 320. Air duct; 330. Pressure gauge; 340. Knob. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model in specific circumstances.

[0032] Example:

[0033] like Figure 1As shown, a wearable zoned pressurization device for precise body radiotherapy comprises a main body 100; at least two chest airbags 140 are provided above the main body 100; at least two abdominal airbags 150 are provided below the chest airbag 140; a first waist belt 161 and a second waist belt 162 are provided on both sides of the abdominal airbag 150 on the main body 100; a scale 165 and a buckle 163 are provided on the first waist belt 161 and the second waist belt 162; an airbag nozzle 142 for connecting the inflation component 300 is provided on each of the chest airbag 140 and the abdominal airbag 150; by dividing the main body 100 into two parts, the chest and abdomen can be pressurized at the same time, and the left and right sides are designed based on the characteristics of chest breathing and abdominal breathing and the zoned pressurization is carried out based on the physiological and anatomical structure. The separate pressurization modes for the chest and upper and lower abdomen can meet the needs of individual patients and a wider range of patients; the chest airbags 140 are preferably provided with two, respectively provided on the left and right sides above the main body 100, just matching the left and right chests, and are provided with separate airbag nozzles 142, which can be pressurized separately to achieve different sizes of pressurization intensity; the abdominal airbags 150 are preferably provided with two, respectively provided on the upper and lower sides below the main body 100. The abdominal airbags 150 are generally strip-shaped in structure, which can provide better wrapping when pressurizing the abdomen and reduce the impact of abdominal breathing. By providing two abdominal airbags 150, on the one hand, it is used to increase the abdominal pressure area, and on the other hand, it can achieve zoned pressurization. Since different people have different adaptability to pressure, if a single abdominal pressure airbag is used alone, the adaptability is not high;

[0034] In one embodiment, the chest airbag 140 or the abdominal airbag 150 is provided with a Velcro strip 141 for fixing a marker. When optical body surface tracking is required, a marker for optical body surface monitoring, such as a gold label, can be attached to the Velcro strip 141. The Velcro strip 141 provides better stability and is less likely to move, thereby improving the accuracy of optical body surface tracking.

[0035] In one embodiment, the first belt 161 is provided with a woolen hook surface; the second belt 162 is provided with a woolen fleece surface; the first belt 161 and the second belt 162 are fixed by gluing the woolen hook surface and the woolen fleece surface; the first belt 161 and the second belt 162 are provided with a ruler 165; the corresponding position of the ruler 165 can be used to conveniently record the patient's specific fixed position, keep the patient's fixed position consistent during positioning and treatment, reduce the error of radiotherapy positioning, and improve the patient's treatment effect; in one embodiment, the ruler 165 on the first belt 161 is in the form of a scale, which is respectively arranged on both sides of the long side of the first belt 161, the width of the second belt 162 is smaller than the width of the first belt 161, and the second belt 162 is fixed to the middle of the first belt 161 when fixed; the ruler 165 on the second belt 162 is a regional ruler, such as Figure 1 As shown, the belt is divided into multiple areas A, B, C, ... according to length, and each of A, B, C, ... corresponds to a recording standard line. Since the waist circumference of different patients is different, the fixed data of the corresponding patient can be recorded by recording the recording standard line corresponding to the letter on the second belt 162 and the degree between the recording standard line and the scale 165 on the first belt 161. For example, the vertical line to the right of A is the recording standard line. The recording standard line at the position of A on the first belt 161 at the belt bonding point 164 of the patient is 57. Then, A and 57 correspond to the fixed data of the patient. When the first belt 161 and the second belt 162 are connected, there may be multiple recording standard lines at the belt bonding point 164, each corresponding to a different scale 165 value. However, the actual fixed size is the same. When using, it is only necessary to freely record data according to usage habits.

[0036] In one embodiment, the abdominal pressure device is fixed by attaching the first waist belt 161 and the second waist belt 162 around the waist of the user; the user then lies on the integrated body plate 200 to perform a CT simulation positioning scan after being fixed with the abdominal pressure device;

[0037] In another embodiment, the integrated body plate 200 is provided with a mounting assembly 210, and the mounting assembly 210 is provided with a waist belt fixing part 211 and a lever 212 for controlling the opening and closing of the waist belt fixing part 211. In this embodiment, after the first waist belt 161 and the second waist belt 162 are respectively passed through the through holes of the waist belt fixing part 211, the lever 212 is toggled to lock the waist belt fixing part 211 for fixation. By reading the degrees at the waist belt fixing part 211 respectively, the user's fixed position is recorded. The excess length of the first waist belt 161 and the second waist belt 162 is fixed by bonding to prevent arbitrary placement. In this embodiment, the fixation of the abdominal pressure device utilizes the integrated body plate 200 to assist in fixation. Using the integrated body plate 200 as a reference can further increase the stability of the positioning and maintain consistency in the patient's positioning and treatment.

[0038] In another embodiment, the abdominal compression device is fixed by adhering the first waist belt 161 and the second waist belt 162 to the waist of the user; when the user lies on the integrated body plate 200, the buckles 163 on the first waist belt 161 and the second waist belt 162 are connected to the mounting assembly 210. The buckles 163 can be connected to the mounting assembly 210 using conventional plug-in buckles 163;

[0039] In another embodiment, the first waist belt 161 and the second waist belt 162 are provided with movable buckles 163, which can be adjusted and fixed on the first waist belt 161 and the second waist belt 162 respectively. The integrated body plate 200 is provided with a mounting assembly 210. In this embodiment, the buckles 163 on the first waist belt 161 and the second waist belt 162 are moved to appropriate positions and fixed, and then the buckles 163 are fixedly connected to the mounting assembly 210 to achieve the fixation of the abdominal pressure device. In this embodiment, the integrated body plate 200 is also used to assist in fixation to ensure consistency in positioning and treatment.

[0040] In one embodiment, the shoulder strap 130 can be fixed by wrapping around the back of the user's neck. For example, two shoulder straps 130 are provided, and each shoulder strap 130 is provided with a Velcro for fixing, and is fixed by wrapping around the back of the neck. In another embodiment, the shoulder strap 130 can also be fixedly connected to the integrated body plate 200 by providing a buckle 163 structure. In another embodiment, the shoulder strap 130 can also be fixedly connected to the first waist belt 161 and the second waist belt 162 by providing a buckle 163.

[0041] like Figure 2 As shown, in one embodiment, the upper part of the main body 100 includes a first connecting part 110 and a second connecting part 120 located on the left and right sides respectively; the first connecting part 110 and the second connecting part 120 are detachably connected; the first connecting part 110 and the second connecting part 120 are both provided with a shoulder strap 130 on the top; the first connecting part 110 and the second connecting part 120 are each provided with a chest airbag 140; the first connecting part 110 is close to the second connecting part 120 and extends toward the second connecting part 120 to form a fixing part 111; the fixing part 111 is provided with a woolen hook surface; the second connecting part 120 is provided with a woolen hook surface The first connecting portion 110 and the second connecting portion 120 are fixed by gluing the woolen hook surface to the woolen woolen surface 121; a digital ruler 122 is provided on the edge of the woolen woolen surface 121 to facilitate confirmation of the connection position between the fixing portion 111 and the second connecting portion 120; by setting the upper portion of the main body 100 as a detachable structure, the distance between the first connecting portion 110 and the second connecting portion 120 can be changed, thereby adapting to the chests of different people. The distance between the first connecting portion 110 and the second connecting portion 120 can be adjusted according to the size of the chests of different people, thereby achieving a better chest compression effect and reducing the impact of chest breathing;

[0042] like Figure 3As shown, in one embodiment, the inflation assembly 300 includes an air delivery tube 320 connected to the portable balloon 310 and a pressure gauge 330 connected to the air delivery tube 320 for monitoring pressure; the inflation assembly 300 is also provided with a knob 340; by connecting the air delivery tube 320 to the airbag nozzle 142, the chest airbag 140 and the abdominal airbag can be inflated and deflated, and the corresponding pressure values ​​are recorded by reading on the pressure gauge 330, so that the pressure of the patient is kept consistent during positioning and treatment, thereby reducing the error of radiotherapy positioning and improving the treatment effect of the patient; the inflation assembly 300 can also be replaced with an electric inflation and deflation assembly; the airbag nozzle 142 is provided with a valve, and when the inflation assembly 300 is removed after being inflated, no leakage will occur, and continuous pressurization at the corresponding pressure can be maintained;

[0043] Usage process: 1. When positioning, first confirm that the airbag is in a deflated and non-pressurized state, wear the abdominal pressure device of this invention, wear it to fit by adjusting the shoulder straps 130 and the position of the back straps, and record the fixed position of the marker ruler; the patient lies on the integrated body plate 200, and the waist belt buckle 163 is locked on the body plate; 2. Pressurize the area according to clinical needs, the pressure is the upper limit that the patient can accept and record the pressure value; 3. Perform CT simulation positioning scan, plan and verify, reset and other pre-treatment preparations; 4. During formal treatment, first wear the device according to the recorded ruler data, adjust and tighten each Velcro or hook and loop in place, and then pressurize the area according to the recorded value, and finally make it consistent with the state at the time of positioning to ensure the consistency of the pressurized state. 5. If optical surface tracking is required, a marker for optical surface monitoring can be posted on the chest Velcro strip 141;

[0044] The main body 100 is made of artificial leather and plastic components, and has a vest-like structure. Velcro fasteners and ruler markings are provided on the shoulder straps 130, the first waist belt 161, and the second waist belt 162, allowing for easy adjustment of tightness to accommodate patients of various body types. This utility model takes into account the characteristics of chest and abdominal breathing, and based on physiological and anatomical structures, provides zoned pressure application, designing separate pressure modes for the left and right chests and the upper and lower abdomen, thus meeting the individual needs of a wider range of patients.

[0045] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A wearable zoned compression device for precise body radiotherapy, characterized by: The invention comprises a main body (100); at least two chest airbags (140) and shoulder straps (130) for fixing are provided above the main body (100); at least two abdominal airbags (150) are provided below the chest airbag (140); a first waist belt (161) and a second waist belt (162) are provided on both sides of the abdominal airbag (150) on the main body (100); a ruler (165) is provided on the first waist belt (161) and the second waist belt (162); and an airbag nozzle (142) for connecting to an inflation component (300) is provided on both the chest airbag (140) and the abdominal airbag (150).

2. A wearable zoned pressure device for precise body radiotherapy according to claim 1, characterized in that: The chest airbag (140) or the abdominal airbag (150) is provided with a Velcro strip (141) for fixing a marker.

3. The wearable zoned pressure device for precise body radiotherapy according to claim 1, characterized in that: Two chest airbags (140) are provided, respectively disposed on the left and right sides above the main body (100).

4. The wearable zoned pressure device for precise body radiotherapy according to claim 1, characterized in that: Two abdominal airbags (150) are provided, which are respectively provided on the upper and lower sides below the main body (100).

5. The wearable zoned pressure device for precise body radiotherapy according to claim 1, characterized in that: The first waist belt (161) is provided with a woolen hook surface; the second waist belt (162) is provided with a woolen fleece surface; the first waist belt (161) and the second waist belt (162) are fixed by gluing the woolen hook surface and the woolen fleece surface.

6. The wearable zoned pressure device for precise body radiotherapy according to claim 1, characterized in that: The first waist belt (161) and the second waist belt (162) are respectively provided with buckles (163); the buckles (163) are connected to the mounting assembly (210) on the integrated body plate (200).

7. The wearable zoned pressure device for precise body radiotherapy according to claim 1, characterized in that: The upper portion of the main body (100) comprises a first connecting portion (110) and a second connecting portion (120) located on the left and right sides respectively; the first connecting portion (110) and the second connecting portion (120) are detachably connected; and shoulder straps (130) are provided at the tops of the first connecting portion (110) and the second connecting portion (120).

8. The wearable zoned pressure-applying device for precise body radiotherapy according to claim 7, characterized in that: A chest airbag (140) is respectively provided on the first connecting portion (110) and the second connecting portion (120).

9. The wearable zoned pressure-applying device for precise body radiotherapy according to claim 7, characterized in that: A fixing portion (111) is formed on a side of the first connecting portion (110) close to the second connecting portion (120) and extending in the direction of the second connecting portion (120); the fixing portion (111) is provided with a woolen hook surface; the second connecting portion (120) is provided with a woolen fleece surface (121); the first connecting portion (110) and the second connecting portion (120) are fixed by gluing the woolen hook surface and the woolen fleece surface (121); a digital ruler (122) is provided on the edge of the woolen fleece surface (121) to facilitate confirmation of the connection position of the fixing portion (111) and the second connecting portion (120).

10. The wearable zoned pressure device for precise body radiotherapy according to claim 1, characterized in that: The inflation component (300) comprises an air delivery tube (320) connected to the portable balloon (310) and a pressure gauge (330) connected to the air delivery tube (320) for monitoring pressure; the inflation component (300) is also provided with a knob (340); the air delivery tube (320) is connected to the airbag nozzle (142).

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