Positioning device special for radiotherapy of tumor patient

Abstract

The utility model provides a special positioning device for radiotherapy of tumor patients. Relates to the technical field of medical instruments, the positioning device special for tumor patient radiotherapy comprises a bottom plate, two sides of the bottom plate are each fixedly provided with two connecting blocks, two sides of the bottom plate are each slidably provided with a sliding block, and the sides, away from each other, of the two sliding blocks are each fixedly provided with a joining block; the same moving plate is fixedly mounted at the tops of the two connecting blocks, the moving plate is slidably mounted at the top of the bottom plate, a passing hole is formed in the moving plate, a gas storage tank is fixedly mounted at the top of the moving plate, an air extracting pump is fixedly mounted at the bottom of the moving plate, and a connecting pipe is fixedly mounted at an air outlet of the air extracting pump; and the top end of the connecting pipe is fixedly connected with the bottom of the gas storage tank. The positioning device has the advantages of being flexible and convenient to use, capable of being suitable for different patients and body parts, high in applicability and good in positioning effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relates to a positioning device special for tumor patient radiotherapy. BACKGROUND

[0002] Tumor radiotherapy is a kind of local treatment method using radiotherapy to treat tumor, and radiotherapy includes alpha, beta, gamma ray produced by radioisotope and x ray, electron line, proton beam and other particle beam etc. produced by various x ray therapy machines or accelerators, and the role and position of radiotherapy in tumor treatment are increasingly prominent, and it has become one of main means for treating malignant tumor, when tumor patient is treated in radiotherapy equipment, it needs to ensure that the position of tumor growth is accurately located in the radiotherapy irradiation area of radiotherapy equipment, and once patient moves disorderly, the treatment area is out of target, which will affect the normal treatment, therefore, it usually needs to use special positioning tool to fix the treatment area of patient, to ensure that the treatment position of tumor keeps position.

[0003] Traditionally, radiotherapy equipment is equipped with various phantoms for positioning, different phantoms are suitable for patients with different body types, and are also applied to different treatment positions of patients, each phantom can only be suitable for patients with specific body type, and is used to fix specific body position, the positioning device has very limited application range, and cannot be suitable for patients with different body types, and has great limitation in use.

[0004] Therefore, it is necessary to provide a new positioning device special for tumor patient radiotherapy to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a positioning device special for tumor patient radiotherapy, which is more flexible and convenient to use, can be suitable for different patients and body positions, has stronger applicability, and has better positioning effect.

[0006] To solve the above technical problems, the utility model provides a special positioning device for radiotherapy of tumor patient, including: bottom plate, both sides of bottom plate all are fixedly installed two connecting blocks, both sides of bottom plate all are slidably installed sliding block, both sides of two sliding blocks far from each other all are fixedly installed link block, the top of two link blocks is fixedly installed same moving plate, moving plate is slidably installed in the top of bottom plate, the passing hole is seted up in moving plate, the top of moving plate is fixedly installed gas tank, the bottom of moving plate is fixedly installed gas pump, the gas outlet of gas pump is fixedly installed link pipe, the top of link pipe is fixedly connected with the bottom of gas tank, the top of gas tank is fixedly installed bandage, the bottom of moving plate is fixedly installed two square blocks, both sides of two square blocks close to each other all are fixedly installed annular block, the same screw sleeve is rotatably installed between two annular blocks, two screw rods one are screwy installed on the screw sleeve, both ends of two screw rods one far from each other all are fixedly installed fixed block, both sides of two fixed blocks close to each other all are fixedly installed rectangular block, two rectangular blocks are slidably connected with two square blocks respectively, the side far from gas tank of bandage is fixedly installed circular rod, both ends of circular rod all are seted up rectangular slot, two rectangular blocks are slidably installed in two rectangular slots respectively, both sides of two square blocks close to each other all are fixedly installed arc block, two arc blocks all are in contact with circular rod, one side of passing hole is seted up side slot, one side of moving plate is rotatably installed screw rod two, the clamping block is screwy sleeved on screw rod two, the clamping block is slidably installed in side slot.

[0007] Preferably, the top of the bottom plate is provided with four heightening pads, four heightening pads are located on both sides of the moving plate respectively, a plurality of butt joint glue blocks are fixedly installed between the top inner wall and the bottom inner wall of the bandage, and a protective pad is fixedly installed on the top of the moving plate.

[0008] Preferably, the two sides of the bottom plate are provided with a strip-shaped groove, the two sliding blocks are slidably installed in the two strip-shaped grooves respectively, a plurality of rolling beads one are inlaid on the side of the two sliding blocks close to each other, and the plurality of rolling beads one are slidably contacted with the inner walls of the two strip-shaped grooves respectively.

[0009] Preferably, a plurality of rolling beads two are inlaid on the top inner wall and the bottom inner wall of the side slot, the plurality of rolling beads two are contacted with the top and the bottom of the clamping block respectively, and a rubber pad is fixedly installed on one side of the clamping block.

[0010] Preferably, a rectangular hole and a circular hole are formed in the two square blocks respectively, the inner walls of the two rectangular holes are slidably connected with the two rectangular blocks respectively, and the two circular holes are matched with the two screw rods one.

[0011] Preferably, two said rectangular blocks are fixed with a limiting block, two said rectangular blocks are fixed with a pad on the side close to each other, two said pads are in contact with the inner wall of two said rectangular grooves respectively.

[0012] Preferably, two said arc-shaped blocks are fixed with a positioning block on the top, two said positioning blocks are in contact with the two ends of the circular rod respectively.

[0013] Compared with the related art, the positioning device for radiotherapy of tumor patients has the following beneficial effects:

[0014] In the utility model, the movable plate can slide on the bottom plate according to the need to adjust the position, and the different body parts of the patient can be positioned conveniently, and the utility model can be applied to the special parts such as the head and the neck of the patient, and the use range is wide, the body of the patient can be bound better through the bandage, the length of the bandage can be adjusted in time according to the need, the patient with different body types and different body parts can be applied conveniently, the flexibility of the equipment is increased, the air is injected into the bandage through the air pump subsequently, the bandage can be more fitted to the body curve of the patient, the positioning between the patient and the radiotherapy equipment is more fitted, the activity of the patient is limited better, and thus the positioning effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of a preferred embodiment of the positioning device for radiotherapy of tumor patients provided by the utility model;

[0016] Figure 2 It is a front view of a preferred embodiment of the positioning device for radiotherapy of tumor patients provided by the utility model;

[0017] Figure 3 It is a front view of a preferred embodiment of the positioning device for radiotherapy of tumor patients provided by the utility model; Figure 2 It is a front view of a preferred embodiment of the positioning device for radiotherapy of tumor patients provided by the utility model;

[0018] Figure 4 It is a front view of a preferred embodiment of the positioning device for radiotherapy of tumor patients provided by the utility model;

[0019] Figure 5 It is a front view of a preferred embodiment of the positioning device for radiotherapy of tumor patients provided by the utility model;

[0020] Figure 6 It is a front view of a preferred embodiment of the positioning device for radiotherapy of tumor patients provided by the utility model; Figure 5 It is a front view of a preferred embodiment of the positioning device for radiotherapy of tumor patients provided by the utility model;

[0021] The figure label: 1, bottom plate; 2, connecting block; 3, sliding block; 4, link block; 5, moving plate; 6, passing hole; 7, gas storage tank; 8, air pump; 9, link pipe; 10, bandage; 11, square block; 12, ring block; 13, threaded sleeve; 14, threaded rod one; 15, fixed block; 16, rectangular block; 17, circular rod; 18, rectangular groove; 19, arc block; 20, side slot; 21, threaded rod two; 22, clamping block; 23, heightening pad. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and implementation.

[0023] Please see Figures 1-6 Among them, Figure 1 It is a preferred embodiment of the vertical structure schematic diagram of the front view of the positioning device for radiotherapy of tumor patients provided by the utility model; Figure 2 It is the vertical structure schematic diagram of the front view of the utility model; Figure 3 It is Figure 2 It is the partial enlarged schematic diagram of the moving plate shown in the utility model; Figure 4 It is the vertical structure schematic diagram of the side view of the utility model; Figure 5 It is the vertical structure schematic diagram of the side view of the moving plate and the circular rod in the utility model; Figure 6 It is Figure 5Partly enlarged view of the moving plate shown in the middle. The positioning device for tumor patients in radiotherapy includes a bottom plate 1, two connecting blocks 2 are fixedly installed on the two sides of the bottom plate 1, the four connecting blocks 2 are arranged in a rectangular array, mounting holes are formed in the four connecting blocks 2, the bottom plate 1 can be fixed on a radiotherapy instrument through the four connecting blocks 2, sliding blocks 3 are slidingly installed on the two sides of the bottom plate 1, an adapter block 4 is fixedly installed on the side of each of the two sliding blocks 3 away from each other, the same moving plate 5 is fixedly installed on the top of the two adapter blocks 4, the moving plate 5 is slidingly installed on the top of the bottom plate 1, a through hole 6 is formed in the moving plate 5, the through hole 6 is matched with a circular rod 17 to be mentioned below to provide a space for the circular rod 17 to pass through, a gas storage tank 7 is fixedly installed on the top of the moving plate 5, a gas suction pump 8 is fixedly installed on the bottom of the moving plate 5, an adapter pipe 9 is fixedly installed on the gas outlet of the gas suction pump 8, the adapter pipe 9 is L-shaped, the top end of the adapter pipe 9 is fixedly connected with the bottom of the gas storage tank 7, a bandage 10 is fixedly installed on the top of the gas storage tank 7, the bandage 10 is a long hollow belt, the bandage 10 is made of polyurethane rubber material, has a tough texture, has a good binding effect, has a longer service life, two square blocks 11 are fixedly installed on the bottom of the moving plate 5, a ring block 12 is fixedly installed on the side of each of the two square blocks 11 close to each other, the same threaded sleeve 13 is rotatably installed between the two ring blocks 12, two internal threads with opposite rotation directions are arranged in the threaded sleeve 13, two threaded rods one 14 are threadedly installed on the threaded sleeve 13 through the two internal threads, a fixed block 15 is fixedly installed on the end of each of the two threaded rods one 14 away from each other, a rectangular block 16 is fixedly installed on the side of each of the two fixed blocks 15 close to each other, the two rectangular blocks 16 are slidingly connected with the two square blocks 11 respectively, the circular rod 17 is fixedly installed on the side of the bandage 10 away from the gas storage tank 7, a rectangular groove 18 is formed in each end of the circular rod 17, the two rectangular blocks 16 are slidingly installed in the two rectangular grooves 18 respectively, an arc block 19 is fixedly installed on the side of each of the two square blocks 11 close to each other, the two arc blocks 19 are in contact with the circular rod 17, the arc blocks 19 support the circular rod 17, facilitate the alignment of the two rectangular blocks 16 with the two rectangular grooves 18, a side groove 20 is formed on the right side of the through hole 6, a threaded rod two 21 is rotatably installed on one side of the moving plate 5, the threaded rod two 21 extends into the side groove 20 at one end, a clamping block 22 is threadedly sleeved on the threaded rod two 21, the clamping block 22 is slidingly installed in the side groove 20, the side groove 20 can limit the movement trend of the clamping block 22, so that the clamping block 22 can only slide back and forth left and right.

[0024] In order to ensure the comfort of the patient lying on the moving plate 5, in this way, the top of the bottom plate 1 is provided with four heightening pads 23, which are respectively located on both sides of the moving plate 5, and the bottom of the four heightening pads 23 is in contact with the top of the moving plate 5, and the four heightening pads 23 can play a supporting role, so that the patient can sleep on the flat bearing equipment when lying down, a plurality of butt glue blocks are fixedly installed between the top inner wall and the bottom inner wall of the binding belt 10, the plurality of butt glue blocks can support the inner wall of the binding belt 10 to a certain extent, so that the top inner wall and the bottom inner wall of the binding belt 0 are prevented from sticking together, the top of the moving plate 5 is fixedly installed with a protective pad, and the protective pad can increase the comfort of the patient when sleeping down, and the top of the protective pad is in the same horizontal line with the top of the four heightening pads 23.

[0025] In order to reserve enough activity space for the two sliding blocks 3, increase the sliding fluency of the two sliding blocks 3, and reduce wear, in this way, the two sides of the bottom plate 1 are provided with strip-shaped grooves, and the two sliding blocks 3 are slidably installed in the two strip-shaped grooves, respectively, and the side close to each other of the two sliding blocks 3 is embedded with a plurality of rolling beads I, and the plurality of rolling beads I is in sliding contact with the inner wall of the two strip-shaped grooves, respectively.

[0026] In order to increase the sliding fluency of the clamping block 22, increase the friction of the clamping block 22, and better fix the binding belt 10, in this way, a plurality of rolling beads II is embedded on the top inner wall and the bottom inner wall of the side groove 20, and the plurality of rolling beads II is in contact with the top and the bottom of the clamping block 22, respectively, and the clamping block 22 is fixedly installed with a rubber pad on one side.

[0027] In order to reserve enough activity space for the two threaded rods I 14 and the two rectangular blocks 16, in this way, the two square blocks 11 are provided with rectangular holes and circular holes, respectively, the inner walls of the two rectangular holes are slidably connected with the two rectangular blocks 16, respectively, the two circular holes are matched with the two threaded rods I 14, the inner walls of the two circular holes are not in contact with the two threaded rods I 14, the two rectangular blocks 16 are fixedly provided with limiting blocks, respectively, the two limiting blocks can limit the sliding range of the two rectangular blocks 16, prevent the rectangular blocks 16 from moving excessively, the side close to each other of the two rectangular blocks 16 is fixedly installed with a pad, respectively, the two pads are in contact with the inner walls of the two rectangular grooves 18, respectively, the top of the two arc-shaped blocks 19 is fixedly installed with a positioning block, respectively, the two positioning blocks are in contact with the two ends of the circular rod 17, respectively, and the two positioning blocks facilitate to determine the placement position of the circular rod 17.

[0028] The working principle of the positioning device for radiotherapy of tumor patients provided by the utility model is as follows:

[0029] When the patient needs to be treated by radiotherapy, first, the bottom plate 1 is placed on the lying plate of the radiotherapy equipment, and then the bottom plate 1 is fixed on the radiotherapy equipment through the connecting elements such as bolts under the cooperation of the four connecting blocks 2, and then the moving plate 5 is pushed according to the growth position of the tumor, and the moving plate 5 will drive the two sliding blocks 3 to slide on the moving plate 5 through the two connecting blocks 4, until the moving plate 5 is moved to the appropriate position, and then the four heightening pads 23 are placed on the bottom plate 1.

[0030] In the initial state, the bandage 10 is vertically placed on the left side of the moving plate 5 together with the circular rod 17, the patient lies on the protective pad and the four heightening pads 23, and the position of the tumor is located directly above the moving plate 5, then the bandage 10 is wrapped around the patient, and then the circular rod 17 is inserted into the through hole 6 from top to bottom, so that the circular rod 17 falls below the moving plate 5, at this time the patient is bound between the bandage 10 and the moving plate 5, then the circular rod 17 is placed on the two arc-shaped blocks 19, so that the two ends of the circular rod 17 are in contact with the two positioning blocks respectively, then the circular rod 17 is rotated, so that the excess part of the bandage 10 at the right end is gradually wound on the circular rod 17, until the bandage 10 gradually tightens to bind the patient's body, then the position of a rectangular slot 18 is observed from one side to see if the rectangular slot 18 is aligned with the corresponding rectangular block 16, after determining the position of the rectangular slot 18, the threaded sleeve 13 is rotated, and the two threaded rods 14 will move into the threaded sleeve 13 at the same time, the two threaded rods 14 drive the two rectangular blocks 16 to slide through the two fixed blocks 16, and the two rectangular blocks 16 will be gradually slid into the two rectangular slots 18, thereby fixing the circular rod 17, and then the rotation of the threaded sleeve 13 is stopped, and the circular rod 17 and the bandage 10 will remain in position.

[0031] Then the threaded rod 21 is rotated, and in the process of rotation of the threaded rod 21, the clamping block 22 originally located in the side slot 20 will gradually slide into the through hole 6, until the rubber pad on the clamping block 22 is in contact with the bandage 10, and the bandage 10 is firmly clamped by the clamping block 22, and then the control of the threaded rod 21 can be stopped, the clamping block 22 can cut off the bandage 10, and the gas filled next time cannot affect the bandage 10 wound on the circular rod 17, and finally the air pump 8 is started, the air pump 8 injects air into the connecting pipe 9 through the air outlet, and then the air is transported into the air tank 7 through the connecting pipe 9, and then the air flows into the bandage 10 through the air tank 7, the bandage 10 gradually rises with the entry of the air, and the gap between the patient and the bandage 10 is filled, the binding and positioning effect of the bandage 10 is increased, in addition, the raised bandage 10 is better adhered to the patient's body, and the patient's behavior is more constrained, thereby greatly improving the positioning effect on the patient.

[0032] Compared with the related art, the positioning device special for radiotherapy of tumor patients has the following beneficial effects:

[0033] In the utility model, the movable plate 5 can slide on the bottom plate 1 to adjust the position according to the requirement, and the different body parts of the patient can be positioned conveniently, and the device can be applied to the special parts such as the head and the neck of the patient, and the use range is wide, the body of the patient can be bound well through the bandage 10, the length of the bandage 10 can be adjusted according to the requirement in time, and the patient with different body types and different body parts can be applied conveniently, the flexibility of the device is increased, the air is injected into the bandage 10 through the air pump 8, the bandage 10 can be more fitted to the body curve of the patient, the positioning between the patient and the radiotherapy device is more fitted, the activity of the patient is limited better, and therefore the positioning effect is better.

[0034] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, the power mechanism, the power supply system and the control system of the device are not described completely, and the specific power mechanism, power supply system and control system can be known clearly under the premise that the technical personnel in the field understand the principle of the above-mentioned utility model.

[0035] The above is only the embodiment of the utility model, and the patent range of the utility model is not limited, and any equivalent structure or equivalent process transformation obtained by using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A positioning device specifically for radiotherapy in cancer patients, comprising: The base plate is characterized in that two connecting blocks are fixedly installed on both sides of the base plate, sliding blocks are slidably installed on both sides of the base plate, and connecting blocks are fixedly installed on the sides of the two sliding blocks that are far apart from each other. A common movable plate is fixedly installed on the top of the two connecting blocks. The movable plate is slidably installed on the top of the base plate. A passage hole is opened on the movable plate. An air storage tank is fixedly installed on the top of the movable plate. An air pump is fixedly installed on the bottom of the movable plate. A connecting pipe is fixedly installed on the air outlet of the air pump. The top end of the connecting pipe is fixedly connected to the bottom of the air storage tank. A strap is fixedly installed on the top of the air storage tank. Two square blocks are fixedly installed on the bottom of the movable plate. An annular block is fixedly installed on the side of the two square blocks that are close to each other. The two annular blocks are rotatably connected. The device is equipped with a single threaded sleeve, on which two threaded rods are threadedly mounted. A fixing block is fixedly mounted at the ends of the two threaded rods that are far apart from each other. A rectangular block is fixedly mounted on the side of the two fixing blocks that are close to each other. The two rectangular blocks are slidably connected to the two square blocks. A circular rod is fixedly mounted on the side of the strap away from the air tank. Rectangular grooves are formed at both ends of the circular rod. Two rectangular blocks are slidably mounted in the two rectangular grooves. An arc-shaped block is fixedly mounted on the side of the two square blocks that are close to each other. The two arc-shaped blocks are in contact with the circular rod. A side groove is formed on one side of the passage hole. A threaded rod is rotatably mounted on one side of the moving plate. A clamping block is threadedly fitted onto the threaded rod and slidably mounted in the side groove.

2. The positioning device for radiotherapy of tumor patients according to claim 1, characterized in that, The top of the base plate is provided with four height-increasing pads, which are located on both sides of the movable plate. Multiple mating adhesive blocks are fixedly installed between the top inner wall and the bottom inner wall of the strap. A protective pad is fixedly installed on the top of the movable plate.

3. The positioning device for radiotherapy of tumor patients according to claim 1, characterized in that, The base plate has strip grooves on both sides, and the two sliding blocks are slidably installed in the two strip grooves respectively. On the side of the two sliding blocks that are close to each other, a plurality of rolling beads are embedded, and the plurality of rolling beads slide in contact with the inner wall of the two strip grooves respectively.

4. The positioning device for radiotherapy of tumor patients according to claim 1, characterized in that, Multiple rolling beads are embedded on the top and bottom inner walls of the side groove. The multiple rolling beads are in contact with the top and bottom of the clamping block, respectively. A rubber pad is fixedly installed on one side of the clamping block.

5. The positioning device for radiotherapy of tumor patients according to claim 1, characterized in that, Both square blocks are provided with rectangular holes and circular holes. The inner walls of the two rectangular holes are slidably connected to the two rectangular blocks respectively, and the two circular holes are adapted to the two threaded rods.

6. The positioning device for radiotherapy of tumor patients according to claim 1, characterized in that, Each of the two rectangular blocks is fixedly fitted with a limiting block, and a pad is fixedly installed on the side of the two rectangular blocks that are close to each other. The two pads are in contact with the inner walls of the two rectangular grooves respectively.

7. The positioning device for radiotherapy of tumor patients according to claim 1, characterized in that, Positioning blocks are fixedly installed on the top of both arc-shaped blocks, and the two positioning blocks are respectively in contact with the two ends of the circular rod.

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