Radiation protection device suitable for radiopharmaceutical automatic administration system

Abstract

The radiation protection device comprises a main lead screen plate, a first side lead screen plate, a second side lead screen plate, universal wheels and a lead tank storage device, an observation window and an operation hole are formed in the main lead screen plate, and the main lead screen plate is movably hinged to the first side lead screen plate at the joint; the main lead screen plate and the second side lead screen plate are connected through hinges, the universal wheels have a brake function and are fixedly arranged at the bottoms of the main lead screen plate, the first side lead screen plate and the second side lead screen plate, and the lead tank storage device is fixedly arranged on the outer surface of the main lead screen plate and used for containing lead tanks for storing radiopharmaceuticals. According to the protection device, the multiple adjustable lead screens are designed in a split mode and combined, the protection area of the lead screens is adjusted according to actual needs, and the use flexibility is improved; the protection device enables clinical workers to be far away from the radioactive source for operation, safety is improved, and the radiation dose of operators is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of nuclear medicine protection, and in particular relates to a radiation protection device suitable for an automatic drug delivery system for radioactive drugs. Background Art

[0002] In recent years, with the development of imaging technology, imaging technologies such as CT and MRI for organ morphological changes have been unable to meet clinical needs, and PET molecular imaging with more accurate diagnosis and greater information content has emerged. Since PET examinations require the use of radioactive drugs, there is a risk of radiation exposure for staff and the public. In the past, the injection of radioactive drugs mostly used traditional manual injection methods, which were manually packaged and injected by nurses, and the workflow was complicated. With the largest number of examinations, the radiation dose received by nurses was large, especially in the hands, which could easily exceed 100mSv / year. In addition, the inaccurate packaging of drugs affected the quality of the examination report, and the probability of radiation contamination accidents was high.

[0003] Although the introduction of the automated drug delivery system has significantly improved the safety and accuracy of the operation, medical staff are still required to monitor the entire drug delivery process on site to ensure that the process goes smoothly and to deal with possible problems in a timely manner. During this period, medical staff face potential radiation exposure risks. Lead screens are usually used for protection in the existing technology, but most general lead screens are fixed protection and cannot be adjusted according to actual needs, so they have low flexibility in use; or although the protective lead screens can be adjusted, there are loose contact gaps between different lead screens, which poses a risk of radiation exposure. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the defects in the prior art and provide a radiation protection device suitable for an automatic drug delivery system for radioactive drugs. By setting an adjustable lead screen combination, not only can the protection area of ​​the lead screen be adjusted according to actual conditions, but also the close contact between different lead screens is ensured, thereby effectively solving the technical problems in the background technology.

[0005] In order to solve the above technical problems, the present invention is implemented in the following ways: A radiation protection device suitable for an automatic drug delivery system for radioactive drugs, comprising a main lead screen plate, a first side lead screen plate, a second side lead screen plate, a universal wheel and a lead tank storage transposition device, wherein an observation window and an operation hole made of lead organic glass are arranged on the main lead screen plate, the main lead screen plate is movably hinged at the connection with the first side lead screen plate, and a first main end face groove, a second main end face groove and a first cylindrical head are arranged at the connection of the main lead screen plate, the first cylindrical head is arranged at the middle position of the connection of the main lead screen plate, the first main end face groove and the second The main end face grooves are symmetrically arranged on both sides of the first cylindrical head, the first side lead screen plate connection is provided with a first side end face protrusion, a second side end face protrusion and a first cylindrical head groove, the first cylindrical head groove is a semicircular arc groove arranged in the middle position of the first side lead screen plate connection, the first side end face protrusion and the second side end face protrusion are symmetrically arranged on both sides of the first cylindrical head groove, the first main end face groove, the second main end face groove and the first cylindrical head are matched and connected with the first side end face protrusion, the second side end face protrusion and the first cylindrical head groove respectively; The main lead screen plate is hingedly connected to the second side lead screen plate at the connection, and a third main end face groove, a fourth main end face groove and a second cylindrical head are provided at the connection of the main lead screen plate, the second cylindrical head is arranged in the middle position of the connection of the main lead screen plate, the third main end face groove and the fourth main end face groove are symmetrically arranged on both sides of the second cylindrical head, a third side end face protrusion, a fourth side end face protrusion and a second cylindrical head groove are provided at the connection of the second side lead screen plate, the second cylindrical head groove is a section of arc groove arranged in the middle position of the connection of the second side lead screen plate, the third side end face protrusion and the fourth side end face protrusion are arranged on both sides of the second cylindrical head groove, and the fourth side end face protrusion is retreated a distance relative to the position of the third side end face protrusion, the third main end face groove, the fourth main end face groove and the second cylindrical head are matched and connected with the third side end face protrusion, the fourth side end face protrusion and the second cylindrical head groove respectively; The universal wheel has a braking function and is fixedly arranged at the bottom of the main lead screen plate, the first side lead screen plate and the second side lead screen plate. The lead can storage transposition plate is fixedly arranged on the outer surface of the main lead screen plate and is used for placing lead cans storing radioactive drugs.

[0006] Preferably, the present invention is further provided with a slide device and a supporting wheel device, the slide device comprising a slide outer main column, a slide inner groove, a slide fixed base and a slide shaft groove, the slide fixed base is arranged on the main lead screen plate, and a small protrusion is arranged on the slide fixed base, the slide outer main column is fixedly arranged on the main lead screen plate located on both sides of the slide fixed base, and the slide shaft groove is formed at the two end surfaces of the slide outer main column, and the slide outer main column and the slide fixed base together constitute the slide inner groove; The support wheel device includes a support column, a support horizontal axis, a support small column, a support small horizontal axis and a support wheel. One end of the support column that passes through the slide shaft groove is fixed on the lead can storage transverse, and the other end is connected to the support horizontal axis. Two support small columns are arranged below the support horizontal axis. The middle of the support small columns is connected with a support small horizontal axis. The support small horizontal axis is arranged through the support wheel. The wheel surface of the support wheel is arranged to be low in the middle and high on both sides, which cooperates with the small protrusion on the fixed base of the slide. The support wheel device is electrically controlled to slide up and down in the slide device, thereby ensuring that the lead can storage device fixed on the support wheel device moves up and down, thereby facilitating the retrieval of medicines in the lead can storage device.

[0007] Furthermore, in order to ensure the stability of the lead screen board, the present invention is also provided with an adsorption support column, which is arranged on the outer sides of the first side lead screen board and the second side lead screen board, and the adsorption support column includes a supporting screw, an adjusting bolt, a supporting block and a supporting plate, the supporting block is fixedly arranged on the side lead screen board, the supporting screw passes through the supporting block, and the supporting plate is connected to the bottom of the supporting screw, and the thread on the supporting screw is connected with the adjusting bolt. Through the arrangement of the supporting screw, the adjusting block and the supporting plate, when the lead screen board is placed in the desired position, the adjusting block can be screwed, and the supporting screw can be raised and lowered by rotating the adjusting block, and the supporting plate is supported on the ground, thereby effectively increasing the stability of the lead screen board.

[0008] Compared with the prior art, the present invention has the following beneficial effects: The automatic drug administration system for radioactive drugs of the present invention adopts a fully shielded and mobile design. The protective device combines a plurality of adjustable lead screens through a split design, and the protective area of ​​the lead screens can be adjusted according to actual needs, thereby improving the flexibility of use. When manual operation is required before and after drug administration, the protective device allows clinical staff to operate away from the radiation source, thereby increasing safety and greatly reducing the radiation dose of the operator. At the same time, the fully automatic and quick operation is utilized to greatly improve work efficiency and reduce the probability of accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the protective device of the present invention; Figure 2 It is a schematic diagram of the lead tank slide structure of the present invention; Figure 3 It is a schematic diagram of the connection between the main lead screen board and the first side lead screen board of the present invention; Figure 4 It is a schematic diagram of the connection between the main lead screen board and the second side lead screen board of the present invention; Figure 5 Schematic diagram of the adsorption support column structure of the invention.

[0010] The meaning of each symbol in the figure is: 1. Main lead screen plate, 2. First side lead screen plate, 3. Second side lead screen plate, 4. Universal wheel, 5. Lead tank storage device, 6. Slide device, 7. Support wheel device, 8. Adsorption support column, 11. Observation window, 12. Operation hole, 13. First main end surface groove, 14. Second main end surface groove, 15. First cylindrical head, 16. Third main end surface groove, 17. Fourth main end surface groove, 18. Second cylindrical head, 21. First side end surface protrusion, 22 , second side end face protrusion, 23, first cylindrical head groove, 31, third side end face protrusion, 32, fourth side end face protrusion, 33, second cylindrical head groove, 61, outer main column of the slide, 62, inner groove of the slide, 63, fixed base of the slide, 64, slide shaft groove, 71, support column, 72, support horizontal axis, 73, support small column, 74, support small horizontal axis, 75, support wheel, 81, support screw rod, 82, adjusting bolt, 83, support block, 84, support plate. DETAILED DESCRIPTION

[0011] The specific implementation of the present invention is further described in detail below with reference to the accompanying drawings and specific examples.

[0012] like Figures 1 to 5 As shown, a radiation protection device suitable for an automatic drug delivery system for radioactive drugs comprises a main lead screen plate 1, a first side lead screen plate 2, a second side lead screen plate 3, a universal wheel 4 and a lead tank storage and transfer device 5, wherein the main lead screen plate 1 is provided with an observation window 11 and an operation hole 12 made of lead organic glass, the main lead screen plate and the first side lead screen plate are movably hinged at the connection, and the main lead screen plate connection is provided with a first main end surface groove 13, a second main end surface groove 14 and a first cylindrical head 15, the first cylindrical head 15 is provided at the middle position of the connection of the main lead screen plate 1, the first main end surface groove 13 and the second main end surface groove 14 are connected to each other, and the first cylindrical head 15 is provided at the middle position of the connection of the main lead screen plate 1. The groove 14 is symmetrically arranged on both sides of the first cylindrical head 15. The first side end face protrusion 21, the second side end face protrusion 22 and the first cylindrical head groove 23 are arranged at the connection of the first side lead screen plate 2. The first cylindrical head groove 23 is a semicircular arc groove arranged in the middle position of the connection of the first side lead screen plate. The first side end face protrusion 21 and the second side end face protrusion 22 are symmetrically arranged on both sides of the first cylindrical head groove 23. The first main end face groove 13, the second main end face groove 14 and the first cylindrical head 15 are matched and connected with the first side end face protrusion 21, the second side end face protrusion 22 and the first cylindrical head groove 23 respectively. The main lead screen plate 1 is hingedly connected to the second side lead screen plate 3, and the main lead screen plate 1 is provided with a third main end face groove 16, a fourth main end face groove 17 and a second cylindrical head 18 at the connection, the second cylindrical head 18 is arranged in the middle of the main lead screen plate connection, the third main end face groove 16 and the fourth main end face groove 17 are symmetrically arranged on both sides of the second cylindrical head 18, and the second side lead screen plate 3 is provided with a third side end face protrusion 31, a fourth side end face protrusion 32 and a second cylindrical head groove 3 3, the second cylindrical head groove 33 is a section of arc groove arranged in the middle of the connection of the second side lead screen plate, the third side end surface protrusion 31 and the fourth side end surface protrusion 32 are arranged on both sides of the second cylindrical head groove 33, and the fourth side end surface protrusion 32 is retreated a distance relative to the position of the third side end surface protrusion 31, and the third main end surface groove 16, the fourth main end surface groove 17 and the second cylindrical head 18 are matched and connected with the third side end surface protrusion 31, the fourth side end surface protrusion 32 and the second cylindrical head groove 33 respectively; The universal wheel 4 has a braking function and is fixedly arranged at the bottom of the main lead screen plate, the first side lead screen plate and the second side lead screen plate. The lead can storage transposition 5 is fixedly arranged on the outer surface of the main lead screen plate and is used to place lead cans for storing radioactive drugs.

[0013] Preferably, the present invention is further provided with a slide device 6 and a supporting wheel device 7, wherein the slide device 6 comprises a slide outer main column 61, a slide inner groove 62, a slide fixed base 63 and a slide shaft groove 64, the slide fixed base is arranged on the main lead screen plate, and a small protrusion is arranged on the slide fixed base, the slide outer main column is fixedly arranged on the main lead screen plate located on both sides of the slide fixed base, and the slide shaft grooves are formed at the two end surfaces of the slide outer main column, and the slide outer main column and the slide fixed base together constitute the slide inner groove; The support wheel device 7 includes a support column 71, a support transverse axis 72, a support small column 73, a support small transverse axis 74 and a support wheel 75. One end of the support column that passes through the slide shaft groove is fixed on the lead can storage transverse, and the other end is connected to the support transverse axis. Two support small columns are arranged below the support transverse axis. A support small transverse axis is connected in the middle of the support small columns. The support small transverse axis is arranged through the support wheel. The wheel surface of the support wheel is arranged to be low in the middle and high on both sides, which cooperates with the small protrusion on the fixed base of the slide. The support wheel device is electrically controlled to slide up and down in the slide device, thereby ensuring that the lead can storage device fixed on the support wheel device moves up and down, thereby facilitating the retrieval of medicines in the lead can storage device.

[0014] Furthermore, in order to ensure the stability of the lead screen board, the present invention is also provided with an adsorption support column 8, which is arranged on the outer sides of the first side lead screen board and the second side lead screen board. The adsorption support column 8 includes a support screw 81, an adjusting bolt 82, a support block 83 and a support plate 84. The support block is fixedly arranged on the side lead screen board, and the support screw passes through the support block. A support plate is connected to the bottom of the support screw. The thread on the support screw is connected with an adjusting bolt. Through the arrangement of the support screw, the adjusting block and the support plate, when the lead screen board is placed in the desired position, the adjusting block can be screwed, and the support screw can be raised and lowered by rotating the adjusting block, and the support plate is supported on the ground, thereby effectively increasing the stability of the lead screen board.

[0015] Preferably, sealing rings are provided on the grooves at the connection between the main lead screen board 1 and the first side lead screen board 2 and at the connection between the main lead screen board 1 and the second side lead screen board 3 to ensure the tightness of the gaps at the connections.

[0016] There are two operating holes 12, which are respectively located on both sides of the main lead screen plate, and a cover plate is also provided on the operating hole to cover the operating hole.

[0017] The first side lead screen plate is provided with a handle at the side end surface away from the main lead screen plate, which is used to facilitate people to push and pull the first side lead screen plate. The second side lead screen plate is provided with a handle at the side end surface away from the main lead screen plate, which is used to rotate and fold the second side lead screen plate around the hinge to a certain angle.

[0018] The main lead screen plate, the first side lead screen plate and the second side lead screen plate are provided with warning signs for reminding other persons not to approach.

[0019] The above description is only an implementation mode of the present invention. It is stated again that for ordinary technicians in this technical field, several improvements can be made to the present invention without departing from the principle of the present invention. These improvements are also included in the protection scope of the claims of the present invention.

Claims

1. A radiation protection device suitable for an automatic drug delivery system for radioactive drugs, characterized in that: The invention comprises a main lead screen plate, a first side lead screen plate, a second side lead screen plate, a universal wheel and a lead tank storage and transfer device, wherein an observation window and an operation hole made of lead organic glass are arranged on the main lead screen plate, the main lead screen plate and the first side lead screen plate are movably hinged at the connection, and a first main end face groove, a second main end face groove and a first cylindrical head are arranged at the connection of the main lead screen plate, the first cylindrical head is arranged at the middle position of the connection of the main lead screen plate, and the first main end face groove and the second main end face groove are symmetrically arranged on the first cylindrical head. On both sides of the column head, a first side end face protrusion, a second side end face protrusion and a first cylindrical head groove are provided at the connection of the first side lead screen plate, the first cylindrical head groove is a semicircular arc groove provided at the middle position of the connection of the first side lead screen plate, the first side end face protrusion and the second side end face protrusion are symmetrically provided on both sides of the first cylindrical head groove, the first main end face groove, the second main end face groove and the first cylindrical head are matched and connected with the first side end face protrusion, the second side end face protrusion and the first cylindrical head groove respectively; The main lead screen plate is hingedly connected to the second side lead screen plate at the connection, and a third main end face groove, a fourth main end face groove and a second cylindrical head are provided at the connection of the main lead screen plate, the second cylindrical head is arranged in the middle position of the connection of the main lead screen plate, the third main end face groove and the fourth main end face groove are symmetrically arranged on both sides of the second cylindrical head, a third side end face protrusion, a fourth side end face protrusion and a second cylindrical head groove are provided at the connection of the second side lead screen plate, the second cylindrical head groove is a section of arc groove arranged in the middle position of the connection of the second side lead screen plate, the third side end face protrusion and the fourth side end face protrusion are arranged on both sides of the second cylindrical head groove, and the fourth side end face protrusion is retreated a distance relative to the position of the third side end face protrusion, the third main end face groove, the fourth main end face groove and the second cylindrical head are matched and connected with the third side end face protrusion, the fourth side end face protrusion and the second cylindrical head groove respectively; The universal wheel has a braking function and is fixedly arranged at the bottom of the main lead screen plate, the first side lead screen plate and the second side lead screen plate. The lead can storage transposition plate is fixedly arranged on the outer surface of the main lead screen plate and is used for placing lead cans storing radioactive drugs.

2. A radiation protection device suitable for an automatic drug delivery system for radioactive drugs according to claim 1, characterized in that: A slide device and a supporting wheel device are also provided, wherein the slide device comprises a slide outer main column, a slide inner groove, a slide fixed base and a slide shaft groove, the slide fixed base is arranged on the main lead screen plate, and a small protrusion is arranged on the slide fixed base, the slide outer main column is fixedly arranged on the main lead screen plate located on both sides of the slide fixed base, and the slide shaft grooves are formed at the two end surfaces of the slide outer main column, and the slide outer main column and the slide fixed base together constitute the slide inner groove; The supporting wheel device includes a supporting column, a supporting transverse axis, a supporting small column, a supporting small transverse axis and a supporting wheel. One end of the supporting column that passes through the slideway shaft groove is fixed on the lead can storage transposition, and the other end is connected to the supporting transverse axis. Two supporting small columns are arranged below the supporting transverse axis. A supporting small transverse axis is connected in the middle of the supporting small columns. The supporting small transverse axis is arranged through the supporting wheel. The wheel surface of the supporting wheel is arranged to be low in the middle and high on both sides, which cooperates with the small protrusion on the fixed base of the slideway.

3. A radiation protection device suitable for an automatic drug delivery system for radioactive drugs according to claim 2, characterized in that: It also includes an adsorption support column, which is arranged on the outer sides of the first side lead screen plate and the second side lead screen plate. The adsorption support column includes a support screw, an adjusting bolt, a support block and a support plate. The support block is fixedly arranged on the side lead screen plate, the support screw passes through the support block, and a support plate is connected to the bottom of the support screw. The thread on the support screw is connected to the adjusting bolt.

4. A radiation protection device suitable for an automatic drug delivery system for radioactive drugs according to claim 1, characterized in that: Sealing rings are provided on the grooves at the connection between the main lead screen plate and the first side lead screen plate and at the connection between the main lead screen plate and the second side lead screen plate to ensure the tightness of the gaps at the connection.

5. A radiation protection device suitable for an automatic drug delivery system for radioactive drugs according to claim 1, characterized in that: There are two operating holes, which are respectively located on both sides of the main lead screen plate, and a cover plate is also provided on the operating hole to cover the operating hole.

6. A radiation protection device suitable for an automatic drug delivery system for radioactive drugs according to claim 1, characterized in that: The first side lead screen plate is provided with a handle at the side end surface away from the main lead screen plate, which is used to facilitate people to push and pull the first side lead screen plate. The second side lead screen plate is provided with a handle at the side end surface away from the main lead screen plate, which is used to rotate and fold the second side lead screen plate around the hinge to a certain angle.

7. A radiation protection device suitable for an automatic drug delivery system for radioactive drugs according to claim 1, characterized in that: The main lead screen plate, the first side lead screen plate and the second side lead screen plate are provided with warning signs for reminding other persons not to approach.

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