Nuclear magnetic resonance examination noise reduction protection device

Abstract

The invention relates to the technical field of nuclear magnetic resonance assistance, in particular to a nuclear magnetic resonance examination noise reduction protection device which comprises a detection bed, connecting ports and an electric motor, the interiors of the connecting ports are slidably connected with earmuffs, and the interiors of the earmuffs are filled with sound insulation cotton; a mounting frame is fixedly connected to the top end of the detection bed, a passing groove is formed in the side wall of the mounting frame, a plurality of clamping rollers are rotatably connected to the interior of the passing groove, placing boxes which are symmetrically arranged are fixedly connected to one side of the mounting frame, penetrating grooves are formed in the outer walls of the placing boxes, and rotating discs are rotatably connected to the interiors of the placing boxes; the earmuff has the advantages that the disassembly and cleaning period of the earmuff is prolonged through flexible application of the isolation cloth, the problem that the service life of the earmuff is shortened due to frequent cleaning is solved, and the phenomenon of cross infection when different patients use the earmuff can be avoided through indirect protection of the earmuff; certain guarantee is provided for the body health of the patient, and the device is worthy of application and popularization.

Description

Technical Field

[0001] The invention relates to the field of nuclear magnetic resonance auxiliary technology, in particular to a nuclear magnetic resonance inspection noise reduction protection device. Background Art

[0002] Nuclear magnetic resonance is the process in which non-zero spin atomic nuclei absorb electromagnetic waves of a specific frequency under the action of an external magnetic field and undergo energy level transitions. Non-zero spin atomic nuclei have magnetic moments, and their spin energy levels undergo Zeeman splitting under the action of an external magnetic field. Nuclear magnetic resonance spectroscopy is a branch of spectroscopy, and its resonance frequency is in radio frequency waves. The application of nuclear magnetic resonance Nuclear magnetic resonance imaging has become a common imaging examination method. As a new imaging examination technology, nuclear magnetic resonance imaging will not affect human health, but six types of people are not suitable for nuclear magnetic resonance examinations, namely people with pacemakers, people with or suspected metal foreign bodies in the eyeballs, people who have undergone aneurysm silver clip ligation, people with retained objects or metal prostheses in the body, critically ill patients who are in danger of life and coma, and claustrophobic patients.

[0003] The existing patent document with application number 202322215171.3 provides a magnetic resonance noise reduction protection device, including a nuclear magnetic resonance instrument body, and a noise reduction protection mechanism is arranged inside the nuclear magnetic resonance instrument body; the noise reduction protection mechanism includes a fixed seat, a protective cover, two earmuffs, a connecting pipe and a valve; in the technical solution provided by the utility model, a noise reduction protection mechanism is adopted. When in use, the patient lies on the examination bed inside the nuclear magnetic resonance instrument body and places the head inside the protective cover. Before the detection, the air supply pipe of the air supply equipment is connected to the valve box connecting pipe to supply air, so that the gas passes through the connecting pipe to the flow groove inside the earmuff. At this time, the first The expansion joint and the second expansion joint are inflated and extended, the first expansion joint will fit around the patient's ear, and the second expansion joint will penetrate into the patient's external auditory canal, which can seal and soundproof the patient's ear, so that it can quickly fit the patient's ear, which not only has a better noise reduction effect, but also improves the efficiency of magnetic resonance imaging. Although the above application has many beneficial effects, it still has the following shortcomings: when in use, the earmuffs are constantly in contact with different patients, which is very unhygienic for a long time and is prone to cross infection. At the same time, long-term and frequent cleaning and disinfection of the earmuffs will cause damage to the earmuffs, resulting in a decrease in the service life of the earmuffs. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a noise reduction and protection device for nuclear magnetic resonance examination.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a noise reduction protection device for nuclear magnetic resonance examination, comprising a detection bed, a connection port and an electric motor, wherein the interior of the connection port is slidably connected with an earmuff, and the interior of the earmuff is filled with sound insulation cotton; The top of the detection bed is fixedly connected to a mounting frame, a passage slot is provided on the side wall of the mounting frame, a plurality of clamping rollers are rotatably connected inside the passage slot, a symmetrically arranged placement box is fixedly connected to one side of the mounting frame, a through slot is provided on the outer wall of the placement box, a rotating disk is rotatably connected inside the placement box, a vertical pole is fixedly connected to the top of the rotating disk, a plurality of connection slots arranged in an array are provided on the vertical pole, a winding roller is slidably sleeved on the vertical pole, an isolation cloth is rolled up on the winding roller, and a limiting rod is fixedly connected to the position of the winding roller corresponding to the connection slot; The mounting frame is rotatably connected with symmetrically arranged limiting rollers, and the side ends of the front wall and the back wall of the mounting frame are provided with mounting grooves, and symmetrically arranged rotating blocks are rotatably connected inside the mounting grooves, and symmetrically arranged magnets are slidably connected between the rotating blocks relative to each other up and down, and round rods are fixedly connected inside the rotating blocks, and symmetrically arranged non-magnetic springs are fixedly connected inside the rotating blocks.

[0006] Specifically, the mounting frame is in a C-shape, and a cover is slidably connected to the top of the placement box.

[0007] Specifically, the limiting rods are slidably connected inside the corresponding connecting grooves, the head ends of the isolation cloths pass through the through grooves and between the adjacent clamping rollers, and the head ends of the isolation cloths are clamped at the middle position of the adjacent magnets.

[0008] Specifically, a slide groove is provided on the front wall and the back wall of the mounting frame, an electric telescopic rod is fixedly installed on the bottom end of the slide groove, a square block is fixedly connected to the top end of the output end of the electric telescopic rod, a screw rod is rotatably connected at the middle position of the square block, a moving block is threadedly connected to the screw rod, a symmetrically arranged guide rod is fixedly connected to the outer wall of the square block, one end of the guide rod slides through the corresponding moving block, the moving block is fixedly connected to the connecting port, and the square block is slidably connected at the middle position of the slide groove.

[0009] Specifically, the springs are fixedly connected to the internal positions of the rotating block corresponding to the magnets, and the round rods are slidably penetrated through the hollow positions of the springs and the internal positions of the rotating block corresponding to the magnets.

[0010] Specifically, the bottom end of the output end of the electric motor is rotated to penetrate the top wall of the mounting frame and is fixedly connected to the output shaft of the top rotating block.

[0011] Specifically, the mounting frame is fixedly connected to a symmetrically arranged mounting seat, and the electric motors are all fixedly mounted on the top wall of the mounting seat.

[0012] Beneficial effects of the present invention: When dealing with different patients, the present invention can continuously pull out and replace the isolation cloth through the linkage of various components. When the earmuffs need to fit the patient's ears, the movable earmuffs will push against the isolation cloth, so that the isolation cloth fits the patient's ears, and the earmuffs fit on the isolation cloth. At this time, the earmuffs will not come into direct contact with the patient, which prolongs the disassembly and cleaning cycle of the earmuffs, avoids the problem of a further reduction in the service life of the earmuffs due to frequent cleaning, and improves the service life of the earmuffs. The coordinated use of the earmuffs and the isolation cloth can avoid the phenomenon of cross infection when different patients use the earmuffs, provides a certain guarantee for the patient's physical health, and improves the patient's comfort and satisfaction. The present invention is worthy of popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 The front view provided by the present invention; Figure 2 A specific structural diagram of one side of the mounting frame provided by the present invention; Figure 3 A cross-sectional structural diagram of a placement box provided by the present invention; Figure 4 A structural diagram of the winding roller and the vertical pole separation provided by the present invention; Figure 5 A cross-sectional view of a rotating block provided by the present invention; Figure 6 The present invention provides Figure 5 The structure diagram at A is enlarged; Figure 7 This is a cross-sectional structural diagram of the mounting frame provided by the present invention.

[0015] In the figure: 1. detection bed; 2. connection port; 3. electric motor; 4. earmuffs; 5. sound insulation cotton; 6. mounting frame; 7. passage slot; 8. clamping roller; 9. placement box; 10. through slot; 11. rotating disk; 12. vertical pole; 13. connecting slot; 14. winding roller; 15. isolation cloth; 16. limit rod; 17. limit roller; 18. mounting slot; 19. rotating block; 20. magnet; 21. round rod; 22. spring; 23. cover; 24. slide slot; 25. electric telescopic rod; 26. square block; 27. screw rod; 28. moving block; 29. ​​guide rod; 30. mounting seat. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0017] like Figure 1-Figure 7As shown, a noise reduction protection device for nuclear magnetic resonance examination of the present invention comprises a detection bed 1, a connection port 2 and an electric motor 3, the interior of the connection port 2 is slidably connected with an earmuff 4, and the interior of the earmuff 4 is filled with sound insulation cotton 5; A mounting frame 6 is fixedly connected to the top of the detection bed 1, and a passage groove 7 is provided on the side wall of the mounting frame 6. A plurality of clamping rollers 8 are rotatably connected inside the passage groove 7. A symmetrically arranged placement box 9 is fixedly connected to one side of the mounting frame 6. A through groove 10 is provided on the outer wall of the placement box 9. A rotating disk 11 is rotatably connected inside the placement box 9. A vertical pole 12 is fixedly connected to the top of the rotating disk 11. A plurality of connecting grooves 13 arranged in an array are provided on the vertical pole 12. A winding roller 14 is slidably sleeved on the vertical pole 12. An isolation cloth 15 is wound on the winding roller 14. A limiting rod 16 is fixedly connected to the winding roller 14 at the position corresponding to the connecting groove 13. The clamping roller 8 is convenient for clamping and limiting the passing isolation cloth 15. The isolation cloth 15 can prevent the earmuffs 4 from directly contacting the patient, thereby lengthening the disassembly and cleaning cycle of the earmuffs 4. The coordinated use of the earmuffs 4 and the isolation cloth 15 can avoid cross infection when different patients use the earmuffs 4, thereby providing a certain guarantee for the patient's health. A symmetrically arranged limiting roller 17 is rotatably connected to the mounting frame 6, and mounting grooves 18 are provided at the side ends of the front wall and the back wall of the mounting frame 6. Symmetrically arranged rotating blocks 19 are rotatably connected inside the mounting grooves 18, and symmetrically arranged magnets 20 are slidably connected between the upper and lower rotating blocks 19 relative to each other, and round rods 21 are fixedly connected inside the rotating blocks 19, and symmetrically arranged springs 22 are fixedly connected inside the rotating blocks 19.

[0018] The specific shape of the mounting frame 6 is a C-shaped setting. The top of the placement box 9 is slidably connected with a cover 23. The mounting frame 6 is C-shaped and convenient for carrying the entire head of the patient. The placement box 9 is slidably connected to the cover 23 to facilitate the removal of the cover 23 from the top of the placement box 9, thereby facilitating the removal of the winding roller 14 from the vertical rod 12. The limit rods 16 are slidably connected to the inside of the corresponding connection grooves 13. The head ends of the isolation cloths 15 pass through the through grooves 10 and the adjacent clamping rollers 8, and the head ends of the isolation cloths 15 are clamped in the middle of the adjacent magnets 20. The connection between the limit rod 16 and the connecting groove 13 facilitates the effect of driving the vertical rod 12 and the rotating disk 11 to rotate when the winding roller 14 rotates. The adjacent magnets 20 facilitate clamping and fixing the head end of the isolation cloth 15. The front wall and the back wall of the mounting frame 6 are provided with slide grooves 24. The bottom end of the slide groove 24 is fixedly installed with an electric telescopic rod 25. The top end of the output end of the electric telescopic rod 25 is fixedly connected with a square block 26. The middle position of the square block 26 is rotatably connected with a screw rod 27, and the screw rod 27 is threadedly connected with a moving block 28. The outer wall of the square block 26 is fixedly connected with a symmetrically arranged guide rod 29, one end of the guide rod 29 slides through the corresponding moving block 28, the moving block 28 is fixedly connected to the connection port 2, the square block 26 is slidably connected to the middle position inside the slide groove 24, the guide rod 29 is convenient for guiding the movement of the moving block 28, and the screw rod 27 is convenient for driving the moving block 28 to move, the spring 22 is fixedly connected to the inner position of the rotating block 19 corresponding to the magnet 20, and the round rod 21 slides through the hollow position of the spring 22 and the magnet The iron 20 corresponds to the internal position of the rotating block 19, the round rod 21 is convenient for guiding the movement of the magnet 20, and the spring 22 can increase the power when the magnet 20 is reset. The bottom end of the output end of the electric motor 3 rotates through the top wall of the mounting frame 6 and is fixedly connected to the output shaft of the top rotating block 19. The electric motor 3 can drive the top rotating block 19 to rotate. The mounting frame 6 is fixedly connected with a symmetrically arranged mounting seat 30. The electric motors 3 are fixedly mounted on the top wall of the mounting seat 30. The mounting seat 30 provides position support for the electric motor 3.

[0019] When in use, the head end of the isolation cloth 15 can be passed through the groove 10 and then through the adjacent clamping rollers 8, and then fit with the limiting roller 17, and then one of the magnets 20 is pulled hard, and the magnet 20 will be separated from the adjacent magnet 20. The movement of the magnet 20 is guided by the round rod 21. At the same time, the movement of the magnet 20 will also squeeze and contract the spring 22. At this time, the head end of the isolation cloth 15 is placed in the middle position of the adjacent magnets 20, and then the magnet 20 is released. The suction force between the adjacent magnets 20 and the restoring force of the spring 22 will make the adjacent magnets 20 fit tightly together, thereby clamping and fixing the head end of the isolation cloth 15, and then starting the two electric motors 3. The rotation of the output end of the motor 3 will drive the top rotating block 19 to rotate, and the top rotating block 19 will drive the two magnets 20 to rotate. At this time, the bottom rotating block 19 will follow the rotation. At this time, the rotating magnet 20 will pull the isolation cloth 15, so that the isolation cloth 15 pulls the winding roller 14, so that the winding roller 14 passively rotates and continuously releases new isolation cloth 15. At the same time, the rotating magnet 20 will also slowly rewind the released isolation cloth 15. After the magnet 20 rotates several times, a certain amount of isolation cloth 15 will be rewound, which can prevent the head end of the isolation cloth 15 from being unstable when the earmuffs 4 are pressed against the isolation cloth 15. At this time, the whole device can be used normally; During the test, the patient can lie directly on the test bed 1, and then place the head inside the mounting frame 6. At this time, the staff can start the two electric telescopic rods 25. The output end of the electric telescopic rod 25 will extend to drive the square block 26, the moving block 28, the connecting port 2 and the earmuffs 4 to move to the corresponding patient's ear position, and then close the electric telescopic rod 25, and then rotate the screw rod 27 by the handle. The rotation of the screw rod 27 will drive the moving block 28 to move. The movement of the moving block 28 is guided by the guide rod 29. The movement of the moving block 28 will also drive the earmuffs 4 to move. The moving earmuffs 4 will push against the isolation cloth 15, and the isolation cloth 15 will be deformed when squeezed. At the same time, the isolation cloth 15 will also generate a certain pulling force when squeezed, so that the winding roller 14 will passively rotate again to release a small amount of isolation cloth 15, and then the earmuffs 4 will continuously push against the isolation cloth 15, so as to prevent the patient from being overheated. And provide the patient with the effect of reducing noise, and finally the isolation cloth 15 is tightly attached to the patient's ear. At this time, the earmuffs 4 will also cover the patient's ears through the isolation cloth 15. The isolation cloth 15 can prevent the earmuffs 4 from direct contact with the patient, thereby lengthening the disassembly and cleaning cycle of the earmuffs 4. The coordinated use of the earmuffs 4 and the isolation cloth 15 can avoid cross infection when different patients use the earmuffs 4, thereby providing a certain guarantee for the patient's health. At this time, the nuclear magnetic resonance examination can be carried out normally. When the next patient is tested, the two electric motors 3 are started to rewind the used isolation cloth 15 through the magnet 20. When the earmuffs 4 need to be removed, the earmuffs 4 can be pulled out from the inside of the connecting port 2 with force. The earmuffs 4 are rubber products with extremely strong plasticity. After cleaning, the earmuffs 4 are squeezed to deform the earmuffs 4 and reconnect them to the connecting port 2; When the isolation cloth 15 on the winding roller 14 is used up, the cover 23 is removed from the top of the placement box 9, and then the winding roller 14 is directly lifted upward. The winding roller 14 will drive the limiting rod 16 to move upward together. When the winding roller 14 is separated from the vertical rod 12, the limiting rod 16 will also be separated from the connecting groove 13. At this time, a new isolation cloth 15 can be replaced, and then the winding roller 14 can be reset.

[0020] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A noise reduction protection device for nuclear magnetic resonance examination, characterized in that: It comprises a testing bed (1), a connection port (2) and an electric motor (3); the interior of the connection port (2) is slidably connected to an earmuff (4); the interior of the earmuff (4) is filled with sound insulation cotton (5); The top of the detection bed (1) is fixedly connected to a mounting frame (6), a passage groove (7) is provided on the side wall of the mounting frame (6), a plurality of clamping rollers (8) are rotatably connected inside the passage groove (7), a symmetrically arranged placement box (9) is fixedly connected to one side of the mounting frame (6), a through groove (10) is provided on the outer wall of the placement box (9), a rotating disk (11) is rotatably connected inside the placement box (9), a vertical pole (12) is fixedly connected to the top of the rotating disk (11), a plurality of connection grooves (13) arranged in an array are provided on the vertical pole (12), a winding roller (14) is slidably sleeved on the vertical pole (12), an isolation cloth (15) is rolled up on the winding roller (14), and a limiting rod (16) is fixedly connected to the winding roller (14) at the position corresponding to the connection groove (13); The mounting frame (6) is rotatably connected to a symmetrically arranged limiting roller (17); the side ends of the front wall and the back wall of the mounting frame (6) are both provided with mounting grooves (18); the insides of the mounting grooves (18) are rotatably connected to symmetrically arranged rotating blocks (19); the upper and lower rotating blocks (19) are slidably connected to symmetrically arranged magnets (20); the insides of the rotating blocks (19) are fixedly connected to round rods (21); and the insides of the rotating blocks (19) are fixedly connected to symmetrically arranged springs (22).

2. The noise reduction protection device for nuclear magnetic resonance examination according to claim 1, characterized in that: The specific shape of the mounting frame (6) is a C-shape, and the top of the placement box (9) is slidably connected to a cover (23).

3. The noise reduction protection device for nuclear magnetic resonance examination according to claim 1, characterized in that: The limiting rods (16) are slidably connected inside the corresponding connecting grooves (13), the head ends of the isolation cloths (15) pass through the through grooves (10) and between the adjacent clamping rollers (8), and the head ends of the isolation cloths (15) are clamped at the middle position of the adjacent magnets (20).

4. The noise reduction protection device for nuclear magnetic resonance examination according to claim 1, characterized in that: The front wall and the back wall of the mounting frame (6) are provided with a slide groove (24), the bottom end of the slide groove (24) is fixedly installed with an electric telescopic rod (25), the top end of the output end of the electric telescopic rod (25) is fixedly connected with a square block (26), the middle position of the square block (26) is rotatably connected with a screw rod (27), the screw rod (27) is threadedly connected with a moving block (28), the outer wall of the square block (26) is fixedly connected with a symmetrically arranged guide rod (29), one end of the guide rod (29) is slidably penetrated through the corresponding moving block (28), the moving block (28) is fixedly connected to the connecting port (2), and the square block (26) is slidably connected at the middle position of the slide groove (24).

5. The noise reduction protection device for nuclear magnetic resonance examination according to claim 1, characterized in that: The springs (22) are fixedly connected to the internal positions of the rotating blocks (19) corresponding to the magnets (20), and the round rods (21) are slidably penetrated through the hollow positions of the springs (22) and the internal positions of the rotating blocks (19) corresponding to the magnets (20).

6. The noise reduction protection device for nuclear magnetic resonance examination according to claim 1, characterized in that: The bottom end of the output end of the electric motor (3) is rotated and the output shaft that penetrates the top wall of the mounting frame (6) is fixedly connected to the top rotating block (19).

7. The noise reduction protection device for nuclear magnetic resonance examination according to claim 1, characterized in that: A symmetrically arranged mounting seat (30) is fixedly connected to the mounting frame (6), and the electric motors (3) are all fixedly mounted on the top wall of the mounting seat (30).

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