A medical X-ray CT dose measurement model

Abstract

The present invention discloses a medical X-ray CT dose measurement model, comprising a display box, a rotating mechanism, a supporting mechanism and a moving wheel, wherein the rotating mechanism is installed on the supporting mechanism, the supporting mechanism is rotatably connected with the display box through the rotating mechanism, a shock absorber is installed at the bottom of the supporting mechanism, and the moving wheel is installed at the bottom of the shock absorber. The medical X-ray CT dose measurement model can adjust the height of the display box through the setting of the rotating mechanism, so as to achieve the purpose of improving the demonstration effect, and achieve the purpose of preventing damage to the head model and improving the service life of the head model through the setting of the rolling frame, the gear ring, the first motor, the gear and the lifting adjustment mechanism, and prevent the radiation generated by X-rays from damaging the human body during the demonstration through the setting of the lead plate and the sliding door as the lead-containing radiation-proof glass, and facilitate the movement and transportation through the setting of the shock absorber and the moving wheel.

Description

Technical Field

[0001] The invention relates to the field of medical technology, in particular to a medical X-ray CT dose measurement model. Background Art

[0002] In radiation research, the dose must be accurately measured, otherwise the correct radiochemical yield cannot be obtained, and the reaction process is difficult to control and reproduce. In radiation processing, the dose must also be measured more accurately, otherwise the irradiated samples will either fail to achieve the expected effect or be scrapped in batches. At the same time, dose measurement is also very important in radiation protection.

[0003] The existing medical X-ray CT dose measurement model needs to be used directly on the CT machine. When demonstrating to personnel, there are the following problems: First, each measurement demonstration requires installation, plugging and unplugging operations, and the long-rod ionization chamber is easy to collide with the inner hole wall of the head model during installation, causing damage to the inner hole wall of the head model; second, it is inconvenient to adjust the height and angle of the measurement model during demonstration, affecting the demonstration effect; third, X-rays have certain radiation and require external protection. Conventional protection is large and heavy, making it inconvenient to move and carry the model during demonstration. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the present invention provides a medical X-ray CT dose measurement model, which has the advantages of easy installation and time saving, good radiation protection effect, convenient adjustment of height and angle for demonstration and viewing, small size and easy movement, etc., solving the problems raised by the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a medical X-ray CT dose measurement model, comprising a display box, a rotating mechanism, a supporting mechanism and a moving wheel, wherein the rotating mechanism is installed on the supporting mechanism, the supporting mechanism is rotatably connected to the display box through the rotating mechanism, a shock absorber is installed at the bottom of the supporting mechanism, and the moving wheel is installed at the bottom of the shock absorber.

[0008] The inner wall of the display box is installed with a lead plate, one of the inner side walls of the display box is installed with a radiation sensor, the inner bottom wall of the display box is installed with a rolling frame, the surface of the rolling frame is installed with a rotating wheel, a head mold is abutted on the rotating wheel, a through hole is arranged inside the head mold, a gear ring is arranged on the outer surface of the head mold, the gear ring is connected with a rotating mechanism in transmission, the rotating mechanism is composed of a first motor and a gear, the gear and the gear ring are meshed for transmission, the other inner side wall of the display box is installed with a lifting adjustment mechanism, the lifting adjustment mechanism is composed of a long rod ionization chamber, an electric extension The electric telescopic rod is composed of a retractable rod, a second motor, a threaded rod, a moving block and a first slide rail, wherein the first slide rail is installed on the inner wall of the display box, the moving block slides inside the first slide rail, the second motor is installed on the inner wall of the display box, the threaded rod is transmission-connected with the output end of the second motor, a threaded hole is provided inside the moving block, the moving block is threadedly connected with the threaded rod, the electric telescopic rod is installed on the outside of the moving block, the long rod ionization chamber is installed at one end of the electric telescopic rod, the long rod ionization chamber is arranged on one side of the head mold, and the long rod ionization chamber is adapted to the through hole.

[0009] A pushing mechanism is arranged above the head mold, and the pushing mechanism consists of a hydraulic rod, a support, a clamping plate and a tension spring. The clamping plates are arranged in two and are connected by a tension spring. The clamping plates are clamped on both sides of the head mold, and the support is fixedly connected to the inner top wall of the display box. The hydraulic rod is installed on the outer side of the support, and the moving end of the hydraulic rod is fixedly connected to one side of the clamping plate.

[0010] The rotating mechanism consists of a third motor and a bracket, the third motor is installed on the bracket, the output end of the third motor is a spline shaft, a spline groove is opened in the middle of the bottom surface of the display box, and the output end of the third motor is spline-connected to the spline groove at the bottom of the display box.

[0011] The support mechanism is composed of a hydraulic cylinder and a support leg. A groove is provided inside the support leg. The fixed end of the hydraulic cylinder is fixedly connected to the inner bottom wall of the groove. One end of the hydraulic cylinder is fixedly connected to the bottom surface of the bracket. The shock absorber is installed at the bottom of the support leg. A shock absorbing spring is arranged inside the shock absorber. A fixing plate is fixedly connected between the support legs. An electric control box is arranged on the fixing plate.

[0012] Preferably, an insert rod is inserted into the inside of the through hole, and the insert rod is made of the same material as the head mold. The material of the head mold is organic glass. There are five through holes, one of which is set at the center, and the other four are distributed in a circular array inside the head mold.

[0013] Preferably, a mounting plate is provided on the outside of the display box, a dosimeter is installed on the mounting plate, a sliding door is provided on one side of the mounting plate, a handle is provided on the outside of the sliding door, a second slide rail compatible with the sliding door is provided on the sliding door, and the sliding door and the mounting plate are both made of lead-containing radiation-proof glass.

[0014] Preferably, the radiation sensor is conductively connected to the dosimeter, the radiation sensor, dosimeter, first motor, second motor, electric telescopic rod, hydraulic rod, third motor and hydraulic cylinder are conductively connected to the electric control box through wires, and the operating panel is conductively connected to the electric control box.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present invention provides a medical X-ray CT dose measurement model, which has the following beneficial effects:

[0017] 1. The medical X-ray CT dose measurement model, through the setting of the rotating mechanism, can drive the entire display box to rotate through the third motor when in use, so that the display box can be more convenient to adjust the demonstration angle during display, and the height of the display box can be adjusted through the setting of the hydraulic cylinder, so as to achieve the purpose of improving the demonstration effect.

[0018] 2. The medical X-ray CT dose measurement model, through the arrangement of the rolling frame, the gear ring, the first motor, the gear and the lifting adjustment mechanism, can accurately deliver the long-rod ionization chamber into the through hole of the head mold through the lifting adjustment mechanism when in use, thereby preventing the head mold from being damaged when the long-rod ionization chamber is manually installed, thereby achieving the purpose of preventing damage to the head mold and increasing the service life of the head mold.

[0019] 3. The medical X-ray CT dose measurement model, through the setting of the lead plate and the sliding door as lead-containing radiation-proof glass, can fully shield and absorb the radiation generated by the X-rays inside the display box when in use, to prevent the radiation generated by the X-rays from damaging the human body during the demonstration, and through the setting of the shock absorber and the moving wheels, the overall volume of the medical X-ray CT dose measurement model is small when in use, which is convenient to move and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0021] Figure 2 It is a front view of the present invention;

[0022] Figure 3 For the present invention Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0023] Figure 4is a side sectional view of the display box of the present invention;

[0024] Figure 5 It is a schematic diagram of the installation of the internal rolling frame and the head mold of the present invention.

[0025] In the figure: 1. display box; 2. lead plate; 3. radiation sensor; 4. head mold; 5. rolling frame; 6. rotating wheel; 7. gear ring; 8. first motor; 9. gear; 10. long rod ionization chamber; 11. electric telescopic rod; 12. second motor; 13. threaded rod; 14. moving block; 15. first slide rail; 16. through hole; 17. plug rod; 18. hydraulic rod; 19. support; 20. splint; 21. tension spring; 22. third motor; 23. bracket; 24. hydraulic cylinder; 25. supporting leg; 26. shock absorber; 27. shock absorbing spring; 28. moving wheel; 29. ​​dosimeter; 30. operation panel; 31. sliding door; 32. second slide rail; 33. electric control box; 34. fixed plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-5 A medical X-ray CT dose measurement model includes a display box 1, a rotating mechanism, a supporting mechanism and a moving wheel 28. The rotating mechanism is installed on the supporting mechanism. The supporting mechanism and the display box 1 are rotatably connected through the rotating mechanism. A shock absorber 26 is installed at the bottom of the supporting mechanism. The moving wheel 28 is installed at the bottom of the shock absorber 26. A mounting plate is arranged outside the display box 1, and a dosimeter 29 is installed on the mounting plate. A sliding door 31 is arranged on one side of the mounting plate. A handle is arranged on the outer side of the sliding door 31. A second slide rail 32 matched with the sliding door 31 is arranged on the sliding door 31. The sliding door 31 and the mounting plate are both made of lead-containing radiation-proof glass.

[0028] A lead plate 2 is installed on the inner wall of the display box 1, a radiation sensor 3 is installed on one of the inner side walls of the display box 1, a rolling frame 5 is installed on the inner bottom wall of the display box 1, a rotating wheel 6 is installed on the surface of the rolling frame 5, a head mold 4 is abutted on the rotating wheel 6, a through hole 16 is arranged inside the head mold 4, a gear ring 7 is arranged on the outer surface of the head mold 4, the gear ring 7 is connected to a rotating mechanism in a transmission manner, the rotating mechanism is composed of a first motor 8 and a gear 9, the gear 9 is meshed with the gear ring 7 for transmission, a lifting adjustment mechanism is installed on the other inner side wall of the display box 1, the lifting adjustment mechanism is composed of a long rod ionization chamber 10, an electric telescopic rod 11, a second motor 12, a threaded rod 13, a moving block 14 and a first slide rail 15, the first slide rail 15 is installed on the inner side wall of the display box 1, and the moving block 1 4 slides inside the first slide rail 15, the second motor 12 is installed on the inner wall of the display box 1, the threaded rod 13 is transmission-connected with the output end of the second motor 12, a threaded hole is provided inside the moving block 14, the moving block 14 is threadedly connected with the threaded rod 13, the electric telescopic rod 11 is installed on the outside of the moving block 14, the long-rod ionization chamber 10 is installed at one end of the electric telescopic rod 11, the long-rod ionization chamber 10 is arranged on one side of the head mold 4, the long-rod ionization chamber 10 is adapted to the through hole 16, the inside of the through hole 16 is plugged with an insert rod 17, the insert rod 17 is made of the same material as the head mold 4, the material of the head mold 4 is organic glass, the number of the through holes 16 is set to five, one of which is set at the center, and the other four are distributed in the inside of the head mold 4 in a circular array.

[0029] A pushing mechanism is arranged above the head mold 4, and the pushing mechanism is composed of a hydraulic rod 18, a support 19, a clamping plate 20 and a tension spring 21. The clamping plates 20 are arranged at two and are connected by the tension spring 21. The clamping plates 20 are clamped on both sides of the head mold 4, the support 19 is fixedly connected to the inner top wall of the display box 1, the hydraulic rod 18 is installed on the outer side of the support 19, and the moving end of the hydraulic rod 18 is fixedly connected to one side of the clamping plate 20.

[0030] The rotating mechanism consists of a third motor 22 and a bracket 23. The third motor 22 is installed on the bracket 23. The output end of the third motor 22 is a spline shaft. A spline groove is provided in the middle of the bottom surface of the display box 1. The output end of the third motor 22 is spline-connected to the spline groove at the bottom of the display box 1.

[0031] The supporting mechanism is composed of a hydraulic cylinder 24 and a supporting leg 25. A groove is provided inside the supporting leg 25. The fixed end of the hydraulic cylinder 24 is fixedly connected to the inner bottom wall of the groove. One end of the hydraulic cylinder 24 is fixedly connected to the bottom surface of the bracket 23. The shock absorber 26 is installed at the bottom of the supporting leg 25. A shock absorbing spring 27 is arranged inside the shock absorber 26. A fixing plate 34 is fixedly connected between the supporting legs 25. An electric control box 33 is arranged on the fixing plate 34. The radiation sensor 3 is conductively connected to the dosimeter 29. The radiation sensor 3, the dosimeter 29, the first motor 8, the second motor 12, the electric telescopic rod 11, the hydraulic rod 18, the third motor 22 and the hydraulic cylinder 24 are all conductively connected to the electric control box 33 through wires, and the operating panel 30 is conductively connected to the electric control box 33.

[0032] When in use, the medical X-ray CT dose measurement model is first moved to a designated position by the moving wheel 28, and then the power is turned on, and then the sliding door 31 is opened, and the end position of the long-rod ionization chamber 10 is adjusted by starting the electric telescopic rod 11 and the second motor 12, and then the end of the long-rod ionization chamber 10 is inserted into the through hole 16 at the center of the head mold 4, and then the clamping plate 20 is driven by the hydraulic rod 18 to push the head mold 4 to move, and the plug 17 is inserted into other through holes 16 used, and then the head mold 4 is moved to the original position, so that the gear 9 and the ring gear 7 are re-engaged, and then the sliding door 31 is closed, and the long-rod ionization chamber 10 is started, and the radiation dose is sensed by the radiation sensor 3, and then the data is transmitted to the dosimeter 29, which is convenient for carrying out. Observation, when the height and angle of the device need to be adjusted, the third motor 22 is started, and the third motor 22 drives the display box 1 to rotate as a whole, so that the display box 1 is easy to adjust the angle. The hydraulic cylinder 24 is started to drive the bracket 23 to rise and fall, which is used to adjust the height of the display box 1, improving the demonstration effect. When measuring other through holes 16, the through hole 16 to be detected is driven by the first motor 8 to drive the gear 9, and the gear 9 drives the gear ring 7 to rotate the head mold 4, so that the through hole 16 to be measured is moved to the top, and then the threaded rod 13 drives the moving block 14 to move upward, so that the long rod ionization chamber 10 moves to one side of the top through hole 16, and then the electric telescopic rod 11 is started to insert the long rod ionization chamber 10. Then the plug 17 is inserted into the other through holes 16, and the rotation of the head mold 4 is limited by the hydraulic rod 18, the support 19 and the clamping plate 20 to prevent the head mold 4 from detaching from the rolling frame 5, and the position of the head mold 4 can be adjusted, which can be suitable for different head molds 4.

[0033] In summary, the medical X-ray CT dose measurement model, through the setting of the rotating mechanism, can drive the entire display box 1 to rotate through the third motor 22 when in use, so that the display box 1 can more conveniently adjust the demonstration angle when displaying, and through the setting of the hydraulic cylinder 24, the height of the display box 1 can be adjusted to achieve the purpose of improving the demonstration effect, and through the setting of the rolling frame 5, the ring gear 7, the first motor 8, the gear 9 and the lifting adjustment mechanism, when in use, the long rod ionization chamber 10 can be accurately sent into the through hole 16 of the head mold 4 through the lifting adjustment mechanism. The head mold 4 is prevented from being damaged when the long rod ionization chamber 10 is manually installed, thereby achieving the purpose of preventing damage to the head mold 4 and improving the service life of the head mold 4. The lead plate 2 and the sliding door 31 are set as lead-containing radiation-proof glass. When in use, the radiation generated by the X-rays inside the display box 1 can be fully shielded and absorbed to prevent the radiation generated by the X-rays from damaging the human body during the demonstration. In addition, through the settings of the shock absorber 26 and the moving wheel 28, the overall volume of the medical X-ray CT dose measurement model is small when in use, which is convenient to move and carry.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise one" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical X-ray CT dose measurement model, comprising a display box (1), a rotating mechanism, a supporting mechanism and a moving wheel (28), characterized in that: The rotating mechanism is mounted on the supporting mechanism, the supporting mechanism is rotatably connected to the display box (1) via the rotating mechanism, a shock absorber (26) is mounted at the bottom of the supporting mechanism, and the moving wheel (28) is mounted at the bottom of the shock absorber (26); The inner wall of the display box (1) is installed with a lead plate (2), one of the inner side walls of the display box (1) is installed with a radiation sensor (3), the inner bottom wall of the display box (1) is installed with a rolling frame (5), the surface of the rolling frame (5) is installed with a rotating wheel (6), a head mold (4) is abutted on the rotating wheel (6), the interior of the head mold (4) is provided with a through hole (16), the outer surface of the head mold (4) is provided with a gear ring (7), the gear ring (7) is connected to a rotating mechanism in a transmission manner, the rotating mechanism is composed of a first motor (8) and a gear (9), the gear (9) and the gear ring (7) are meshed for transmission, the other inner side wall of the display box (1) is installed with a lifting adjustment mechanism, the lifting adjustment mechanism is composed of a long rod ionization chamber (10), an electric telescopic rod (11), a second motor (12 ), a threaded rod (13), a moving block (14) and a first slide rail (15), wherein the first slide rail (15) is mounted on the inner wall of the display box (1), the moving block (14) slides inside the first slide rail (15), the second motor (12) is mounted on the inner wall of the display box (1), the threaded rod (13) is transmission-connected with the output end of the second motor (12), a threaded hole is provided inside the moving block (14), the moving block (14) is threadedly connected with the threaded rod (13), the electric telescopic rod (11) is mounted on the outer side of the moving block (14), the long rod ionization chamber (10) is mounted on one end of the electric telescopic rod (11), the long rod ionization chamber (10) is arranged on one side of the head mold (4), and the long rod ionization chamber (10) is adapted to the through hole (16); A pushing mechanism is arranged above the head mold (4), and the pushing mechanism is composed of a hydraulic rod (18), a support (19), a clamping plate (20) and a tension spring (21). The clamping plates (20) are arranged at two ends and are connected by a tension spring (21). The clamping plates (20) are clamped on both sides of the head mold (4). The support (19) is fixedly connected to the inner top wall of the display box (1). The hydraulic rod (18) is installed on the outer side of the support (19), and the moving end of the hydraulic rod (18) is fixedly connected to one side of the clamping plate (20). The rotating mechanism is composed of a third motor (22) and a bracket (23); the third motor (22) is mounted on the bracket (23); the output end of the third motor (22) is a spline shaft; a spline groove is provided in the middle of the bottom surface of the display box (1); the output end of the third motor (22) is spline-connected to the spline groove at the bottom of the display box (1); The support mechanism is composed of a hydraulic cylinder (24) and a support leg (25); a groove is provided inside the support leg (25); a fixed end of the hydraulic cylinder (24) is fixedly connected to the inner bottom wall of the groove; one end of the hydraulic cylinder (24) is fixedly connected to the bottom surface of the bracket (23); the shock absorber (26) is installed at the bottom of the support leg (25); a shock absorbing spring (27) is arranged inside the shock absorber (26); a fixing plate (34) is fixedly connected between the support legs (25); and an electric control box (33) is arranged on the fixing plate (34).

2. A medical X-ray CT dose measurement model according to claim 1, characterized in that: An insert rod (17) is inserted into the interior of the through hole (16); the insert rod (17) is made of the same material as the head mold (4); the head mold (4) is made of organic glass; there are five through holes (16), one of which is arranged at a central position, and the other four are distributed in a circular array inside the head mold (4).

3. The medical X-ray CT dose measurement model according to claim 1, characterized in that: The display box (1) is provided with a mounting plate on the outside, a dosimeter (29) is mounted on the mounting plate, a sliding door (31) is provided on one side of the mounting plate, a handle is provided on the outside of the sliding door (31), a second slide rail (32) matched with the sliding door (31) is provided on the sliding door (31), and the sliding door (31) and the mounting plate are both made of lead-containing radiation-proof glass.

4. A medical X-ray CT dose measurement model according to claim 2, characterized in that: The radiation sensor (3) is conductively connected to the dosimeter (29); the radiation sensor (3), the dosimeter (29), the first motor (8), the second motor (12), the electric telescopic rod (11), the hydraulic rod (18), the third motor (22) and the hydraulic cylinder (24) are all conductively connected to an electric control box (33) via wires; and the electric control box (33) is conductively connected to an operating panel (30).

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