Automatic device and method for radionuclide application treatment

Abstract

The invention discloses an automatic device and method for radionuclide application treatment, the automatic device comprises a group of linear slide rails, a pressing head and an arc slide rail, the end part of the pressing head is provided with an adjusting mechanism for adjusting the height and angle of the pressing head, and the adjusting mechanism is slidably connected to the arc slide rail; according to the device, the sliding block is adjusted to a specified angle through a track planned by the camera to determine the application direction, and the length of the telescopic shaft is controlled, so that a radionuclide source on the pressing head can touch an affected part; the rotating shaft is rotated and matched with the rotation of the rotating bracket, so that the pressing head can carry out front application on an affected part from different oblique angle directions, automatic operation is realized, the requirement of manual operation of medical personnel is reduced, the workload of the medical personnel is reduced, and the risk of exposure due to radiation is also reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an automated device and method for radionuclide application therapy. Background Art

[0002] Radionuclide patch therapy is a widely used non-invasive treatment method. It is also one of the earliest, most common and most mature treatment methods in nuclear medicine. It is mainly used to treat lesions on the surface or near the surface of the skin, such as keloids, hypertrophic scars, infantile skin hemangiomas, localized neurodermatitis, flat warts, and intractable eczema. Traditional patch therapy usually involves manually placing an applicator containing radionuclides on the lesion area. This method relies on the experience and skills of medical staff to ensure the correct positioning and uniform compression of the applicator.

[0003] However, manual patch therapy has the following problems and limitations: manual patch therapy is difficult to achieve precise coverage of the lesion area, which may result in uneven radiation in the treatment area and affect the treatment effect; medical staff need to hold the applicator for a long time, which increases labor intensity and may cause fatigue and operational errors; the manual patch process is time-consuming, and each change of the patch position requires the direct participation of medical staff, reducing treatment efficiency; due to the need for manual operation, medical staff may be exposed to radiation environments, increasing occupational health risks.

[0004] To this end, the present invention proposes an automated device and method for radionuclide patch therapy, which has high safety and improves the efficiency of radionuclide patch therapy. Summary of the invention

[0005] In view of the problems existing in the prior art, the object of the present invention is to provide an automated device and method for radionuclide patch therapy to improve the accuracy, efficiency and safety of radionuclide patch therapy.

[0006] To achieve the above object, the technical solution of the present invention is as follows: An automated device for radionuclide patch therapy comprises a set of linear slide rails, a pressing head and an arcuate slide rail. An adjustment mechanism for adjusting the height and angle of the pressing head is provided at the end of the pressing head. The adjustment mechanism is slidably connected to the arcuate slide rail. Both ends of the arcuate slide rail are respectively slidably connected to two symmetrically arranged linear slide rails.

[0007] Further, the adjustment mechanism includes a slider with a cavity, the slider is installed on the arc-shaped slide rail, the end of the slider is provided with a rotating shaft with a cavity, the end of the rotating shaft is sleeved in the telescopic shaft, a motor is installed in the slider cavity, the output end of the motor is connected to the rotating shaft, a cylinder is installed in the rotating shaft cavity, the output end of the cylinder is connected to the telescopic shaft, the end of the telescopic shaft is hinged with a rotating bracket, and a pressing head is installed at the end of the rotating bracket.

[0008] Furthermore, a motor 2 housing is installed at the end of the telescopic shaft, wherein a motor 2 is installed inside the motor 2 housing, and an output end of the motor 2 is connected to a rotating shaft on the rotating bracket.

[0009] Furthermore, the pressing head includes a sleeve and a radiation head cover, a pressure cap is provided at the end of the sleeve, the radiation head cover is sleeved in the sleeve through the pressure cap, a spring pad is provided between the sleeve and the radiation head cover, connecting columns are provided on both sides of the spring pad, wherein a spring is sleeved on the connecting column facing the sleeve, and the connecting column is inserted at the center of the sleeve, and the other connecting column facing the radiation head cover is connected to the internal thread of the radiation head cover, and a radioactive nuclide source is embedded in the end of the radiation head cover.

[0010] Furthermore, the connector of the sleeve is plugged into the rotating bracket.

[0011] Furthermore, a camera is installed on the upper surface of the rotating bracket. The camera is equipped with corresponding visual software for identifying the area of ​​the skin that needs to be treated, and can transmit data to the terminal control system to cooperate with the path planning and execution of the overall device.

[0012] Furthermore, a slide plate is provided at the end where the arc-shaped slide rail cooperates with the linear slide rail.

[0013] Furthermore, the arc-shaped slide rail comprises an arc-shaped sliding area and a supporting area, wherein the supporting areas are respectively arranged at both ends of the arc-shaped sliding area.

[0014] The present invention also proposes a method for radionuclide application therapy using the automated device, comprising the following steps: 1) First, let the patient expose the skin part that needs to be treated, use the camera to take pictures and identify the affected area through the image, and then control the movement of the slide on the linear slide rail to drive the arc slide rail and the pressing head to gradually approach the affected area; 2) Perform trajectory planning based on the image captured by the camera in step 1); 3) According to the trajectory planned in step 2), the slider is adjusted to the specified angle to determine the application direction, and the length of the telescopic axis is controlled so that the radionuclide source on the pressing head can reach the affected area; the rotating axis is rotated and coordinated with the rotation of the rotating bracket to enable the pressing head to apply the affected area from the front from different oblique angles.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1) The present invention adjusts the slider to a specified angle to determine the application direction through the trajectory planned by the camera, controls the length of the telescopic shaft, and enables the radionuclide source on the pressing head to reach the affected part; rotates the rotating shaft and cooperates with the rotation of the rotating bracket to achieve the front application of the pressing head to the affected part from different oblique directions, realizes automated operation and reduces the need for manual operation of medical personnel, which not only reduces the workload of medical personnel, but also reduces the risk of radiation exposure; 2) The device of the present invention reduces the reliance on highly skilled medical personnel, reduces human resource costs, and reduces treatment costs; the camera and visual software equipped with the automated device can identify and analyze the treatment area in real time, perform path planning, quickly and accurately locate the treatment area, ensure the execution of treatment, reduce treatment preparation time, and improve treatment efficiency; 3) The pressing head of the present invention is equipped with a spring inside, which provides a buffering effect, avoids excessive pressure on the patient's skin, and improves the patient's comfort; 4) The device of the present invention combines the design of linear slide rails and arc slide rails with the combination of a rotating shaft, a telescopic shaft and a rotating bracket to provide multiple degrees of freedom of adjustment, so that the pressing head can accurately apply to the affected area from different angles and positions, which can adapt to the treatment needs of different parts and increase the flexibility of treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure diagram of the device of the present invention is Figure 2 It is a schematic diagram of the adjustment mechanism of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the pressing head of the present invention; Figure 4 It is a schematic diagram of the explosion structure of the pressing head of the present invention.

[0017] In the figure: 1. linear slide; 2. slide plate; 3. arc slide; 4. slider; 5. rotating shaft; 6. telescopic shaft; 7. rotating bracket; 8. camera; 9. pressing head; 91. sleeve; 92. spring; 93. spring pad; 94. pressure cover; 95. radiation head cover; 96. radionuclide source; 10. motor one; 11. cylinder; 12. motor two. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings, but the scope of protection of the present invention is not limited to the described scope.

[0019] Please refer to Figure 1An automated device for radionuclide patch therapy includes a set of linear slide rails 1, a pressing head 9 and an arcuate slide rail 3. An adjustment mechanism for adjusting the height and angle of the pressing head 9 is provided at the end thereof. The adjustment mechanism is slidably connected to the arcuate slide rail 3. Both ends of the arcuate slide rail 3 are respectively slidably connected to two symmetrically arranged linear slide rails 1.

[0020] Please refer to Figure 1-2 The adjustment mechanism includes a slider 4 having a cavity, and the slider 4 is installed on the arc-shaped slide rail 3. Further, the arc-shaped slide rail 3 includes an arc-shaped sliding area and a support area, wherein the two ends of the arc-shaped sliding area are respectively provided with support areas. The slider 4 can make a circular motion within a certain angle range on the arc-shaped slide rail 3 by cooperating with the arc-shaped slide rail 3.

[0021] A rotating shaft 5 with a cavity is provided at the end of the slider 4, and the end of the rotating shaft 5 is sleeved in the telescopic shaft 6. A motor 10 is installed in the cavity of the slider 4, and the output end of the motor 10 is connected to the rotating shaft 5. The rotating shaft 5 can realize rotation by being driven by the motor 10. A cylinder 11 is installed in the cavity of the rotating shaft 5, and the output end of the cylinder 11 is connected to the telescopic shaft 6. The telescopic shaft 6 can realize telescopic movement by being controlled by the cylinder 11. The inner diameter of the telescopic shaft 6 is slightly larger than the rotating shaft 5, and part of the outer surface of the rotating shaft 5 is sleeved by the telescopic shaft 6. When the telescopic shaft 6 is extended and contracted, it is equivalent to the sliding of the telescopic shaft 6 sleeved on the rotating shaft 5. When the rotating shaft 5 rotates, it will also drive the rotation of the telescopic shaft 6.

[0022] The end of the telescopic shaft 6 is hinged with a rotating bracket 7, and a motor 2 housing is installed at the end of the telescopic shaft 6, wherein a motor 2 12 is installed inside the motor 2 housing. The rotating bracket 7 can be driven by the motor 2 12 to realize the rotation movement, and a pressing head 9 is installed at the end of the rotating bracket 7. The rotation of the rotating bracket 7 drives the pressing head 9 to rotate together.

[0023] Please refer to Figure 3-4 The pressing head 9 includes a sleeve 91 and a radiation head cover 95. A pressure cap 94 is provided at the end of the sleeve 91. The radiation head cover 95 passes through the pressure cap 94 and is sleeved in the sleeve 91. A spring pad 93 is provided between the sleeve 91 and the radiation head cover 95. Connecting columns are provided on both sides of the spring pad 93. A spring 92 is sleeved on the connecting column facing the sleeve 91, and the connecting column is inserted in the center of the sleeve 91. The other connecting column facing the radiation head cover 95 is connected to the internal thread of the radiation head cover 95. A radioactive nuclide source 96 is embedded in the end of the radiation head cover 95.

[0024] A spring 92 is sleeved on the connecting column facing the sleeve 91. The spring 92 acts as a buffer to prevent excessive movement of the control from forcibly pressing the skin and causing pain to the patient.

[0025] The connector of the sleeve 91 is inserted into the rotating bracket 7 .

[0026] A camera 8 is mounted on the upper surface of the rotating bracket 7. The camera 8 is equipped with corresponding visual software for identifying the area of ​​the skin that needs to be treated and can transmit data to the terminal control system to cooperate with the path planning and execution of the overall device.

[0027] The method for radionuclide application therapy using the automated device of the present invention comprises the following steps: 1) First, the patient is asked to expose the skin part that needs to be treated, and the camera 8 is used to take a picture and identify the affected part through the image, and then the slide plate 2 is controlled to move on the linear slide rail 1, so as to drive the arc slide rail 3 and the pressing head 9 to gradually approach the affected part; 2) performing trajectory planning based on the image captured by camera 8 in step 1); 3) According to the trajectory planned in step 2), the slider 4 is adjusted to the specified angle to determine the application direction, and the length of the telescopic shaft 6 is controlled so that the radionuclide source 96 on the pressing head 9 can reach the affected area; the rotating shaft 5 is rotated and the rotating bracket 7 is coordinated to rotate, so that the pressing head 9 can apply the affected area from the front from different oblique angles.

Claims

1. An automated device for radionuclide patch therapy, comprising a set of linear slide rails (1), a pressing head (9) and an arcuate slide rail (3), characterized in that An adjustment mechanism for adjusting the height and angle of the pressing head (9) is provided at the end thereof, the adjustment mechanism being slidably connected to the arc-shaped slide rail (3), and the two ends of the arc-shaped slide rail (3) are respectively slidably connected to two symmetrically arranged linear slide rails (1).

2. An automated device for radionuclide patch therapy according to claim 1, characterized in that The adjustment mechanism comprises a slider (4) having a cavity, the slider (4) being mounted on the arc-shaped slide rail (3), the end of the slider (4) being provided with a rotating shaft (5) having a cavity, the end of the rotating shaft (5) being sleeved in a telescopic shaft (6), a motor (10) being mounted in the cavity of the slider (4), the output end of the motor (10) being connected to the rotating shaft (5), a cylinder (11) being mounted in the cavity of the rotating shaft (5), the output end of the cylinder (11) being connected to the telescopic shaft (6), the end of the telescopic shaft (6) being hinged with a rotating bracket (7), the end of the rotating bracket (7) being provided with a pressing head (9).

3. An automated device for radionuclide patch therapy according to claim 2, characterized in that A second motor housing is installed at the end of the telescopic shaft (6), wherein a second motor (12) is installed inside the second motor housing, and an output end of the second motor (12) is connected to a rotating shaft on the rotating bracket (7).

4. An automated device for reflective radionuclide application therapy according to claim 1 or 2, characterized in that The pressing head (9) comprises a sleeve (91) and a radiation head cover (95), the end of the sleeve (91) is provided with a pressure cover (94), the radiation head cover (95) passes through the pressure cover (94) and is sleeved in the sleeve (91), a spring pad (93) is provided between the sleeve (91) and the radiation head cover (95), and connecting columns are provided on both sides of the spring pad (93), wherein a spring (92) is sleeved on the connecting column facing the sleeve (91), and the connecting column is inserted into the center of the sleeve (91), and the other connecting column facing the radiation head cover (95) is threadedly connected to the inside of the radiation head cover (95), and a radioactive nuclide source (96) is embedded in the end of the radiation head cover (95).

5. An automated device for reflective radionuclide application therapy according to claim 4, characterized in that The connector of the sleeve (91) is inserted into the rotating bracket (7).

6. An automated device for reflective radionuclide application therapy according to claim 2, characterized in that A camera (8) is mounted on the upper surface of the rotating bracket (7). The camera (8) is equipped with corresponding visual software for identifying the area of ​​the skin that needs to be treated and can transmit data to the terminal control system to cooperate with the path planning and execution of the overall device.

7. An automated device for reflective radionuclide application therapy according to claim 1, characterized in that The end of the arc-shaped slide rail (3) that cooperates with the linear slide rail (1) is provided with a slide plate (2).

8. An automated device for reflective radionuclide application therapy according to claim 1 or 7, characterized in that The arc-shaped slide rail (3) comprises an arc-shaped sliding area and a supporting area, wherein the supporting areas are respectively arranged at both ends of the arc-shaped sliding area.

9. A method for radionuclide application therapy using the automated device according to any one of claims 1 to 8, characterized in that The following steps are involved: 1) First, the patient exposes the skin portion to be treated, and uses a camera (8) to take a picture and identify the affected area through the image. Then, the slide plate (2) is controlled to move on the linear slide rail (1), driving the arc slide rail (3) and the pressing head (9) to gradually approach the affected area; 2) performing trajectory planning based on the image captured by the camera (8) in step 1); 3) According to the trajectory planned in step 2), the slider (4) is adjusted to a specified angle to determine the application direction, and the length of the telescopic shaft (6) is controlled so that the radionuclide source (96) on the pressing head (9) can reach the affected area; the rotating shaft (5) is rotated and the rotating bracket (7) is coordinated to rotate so that the pressing head (9) can apply the affected area from the front from different oblique angles.

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