CN112137617A - Main magnet uniformity detection and analysis device and method of MRI (magnetic resonance imaging) equipment - Google Patents
Main magnet uniformity detection and analysis device and method of MRI (magnetic resonance imaging) equipment Download PDFInfo
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Abstract
The invention discloses a device and a method for detecting and analyzing main magnet uniformity of an MRI (magnetic resonance imaging) device, and particularly relates to the field of magnetic resonance imaging. By arranging the automatic identification noise reduction technology, the invention designs the automatic face position identification technology, because the MRI examination running time is longer, the internal environment can not be endured by some patients possibly, the running noise of the equipment is stronger, and the discomfort of the patients can be caused, and the noise reduction earplug is automatically lifted according to the face position of the patients, so that the patients can not be influenced by the noise in the examination process, the examination of the equipment can be stably finished, the discomfort of the patients is reduced, and the phenomenon that the forming of the images is influenced by the disorder of the internal parts of the patients can be avoided.
Description
Technical Field
The invention relates to the technical field of magnetic resonance imaging, in particular to a device and a method for detecting and analyzing main magnet uniformity of an MRI (magnetic resonance imaging) device.
Background
With the progress and development of medical technology in China, medical instruments are more perfect and convenient, MRI is the most expensive and widely used medical instrument in hospitals, namely the magnetic resonance imaging technology, the principle of the technology is a physical phenomenon, the technology is mainly used for imaging judgment of various systems of human bodies, and is beneficial to doctors to judge the cause of the disease, but with the progress of science and technology, the equipment also has the defects.
The equipment also has a little limitation in daily use, firstly, in the aspect of examination time, the MRI examination time is longer, the general examination time is about twenty minutes mostly, because the equipment is in operation, the internal magnetic field is stronger, some special patients can not endure for a long time, secondary trauma can be caused to the patient, unnecessary medical accidents can occur, the longer the equipment operation time is, the higher the cost is consumed, so the equipment examination time is properly reduced, and the equipment examination time is a perfect point.
In addition, due to the common usage of MRI, the number of people lying on the examination platform is huge every day, different patients may carry different germs, long-time accumulation may cause people to worry about the cleanness degree on the examination platform, hospitals must strictly comply with the regulation during the working time at ordinary times, and the regular cleaning and disinfection work is necessary, so the examination platform of MRI needs regular disinfection and sterilization.
Finally, MRI has a common problem that a person carrying a metal product cannot perform MRI examination, but this cannot be changed, because the equipment uses the nuclear magnetic resonance technology, the operation of an internal magnetic field interfered by the metal product influences the image forming, and is not suitable for critical patients to do the MRI examination.
Therefore, there is a need for a more complete device and method for detecting and analyzing the main magnet uniformity of MRI apparatus, which can clean the examination platform at regular time and has higher safety.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide an apparatus and a method for detecting and analyzing main magnet uniformity of an MRI device, wherein an automatic identification and noise reduction technology is provided, so that the operation time of MRI examination is long, some patients may not tolerate the internal environment, and the noise generated during the operation of the device is strong, which may cause discomfort to the patients.
In order to achieve the purpose, the invention provides the following technical scheme:
a main magnet uniformity detection and analysis device of MRI equipment comprises a base, an MRI machine body, a supporting seat, a bed seat and a flat lying plate, wherein a recognition noise reduction box is fixedly sleeved at the top of the outer surface of the MRI machine body, a clamping plate is fixedly installed at the top of an inner cavity of the recognition noise reduction box, a first hydraulic device is fixedly installed at the bottom of the clamping plate, an elastic stretching tube is movably sleeved at the bottom of the first hydraulic device, a stretching groove is formed in the bottom of the recognition noise reduction box, a face recognition device is fixedly installed at the bottom of one side of the inner cavity of the recognition noise reduction box, a face recognition head is fixedly installed at the bottom of the face recognition device, a recognition groove is formed in one side of the bottom of the recognition noise reduction box, a mounting support rod is fixedly connected with the bottom of the elastic stretching tube through the stretching groove, a hood wearing arm is movably sleeved at the left, the mounting support rod is provided with a driving gear, the hood wearing arm is provided with a driven gear, the driving gear is meshed with the driven gear, the two hood wearing arms are opened or closed by utilizing positive and negative rotation of the driving gear driven by a motor, a rubber sleeve plate is fixedly mounted at the bottom of the hood wearing arm, an extension spring is movably sleeved in the rubber sleeve plate, one side of the rubber sleeve plate is movably sleeved with an earplug, pressure relieving equipment is fixedly mounted in the earplug, connecting blocks are fixedly mounted on the left side and the right side of the flat lying plate, a protection box is fixedly sleeved on the other side of the connecting blocks, a second driving device is fixedly mounted on one side of an inner cavity of the protection box, the other side of the second driving device is movably connected with a sound-proof cover, a telescopic groove is formed in the other side of the protection box, and the rolling gear is arranged on, the second driving device drives the rolling gear to rotate, the roller path is arranged on one side in the sound-proof cover and is meshed with the roller path, the second driving device drives the rolling gear to rotate positively and reversely to drive the sound-proof cover to move in the telescopic slot, a sponge base plate is fixedly sleeved on the inner side of the sound-proof cover, a rotator is movably sleeved on one side in the sound-proof cover, a first pressure sensor is fixedly sleeved on one side in the sound-proof cover, sensing placing seats are fixedly arranged on the left side and the right side of the top of the flat lying plate, a second pressure sensor is fixedly arranged at the bottom of the inner cavity of the sensing placing seat, a placing slot is arranged at the top of the sensing placing seat, a soft base plate is movably sleeved at the top of the inner cavity of the sensing placing seat, and buffer springs are fixedly arranged on the left side and the right side of the bottom of the inner cavity of, the utility model discloses a MRI machine body, including supporting seat, fixed mounting, carriage, dry sterilization case, MRI machine body, the middle part fixed mounting of supporting seat surface has total control panel, the bottom fixed mounting of the supporting seat left and right sides has the dismouting frame, the opposite side demountable installation of dismouting frame has the slip case, the opposite side movable sleeve of slip case has the carriage, the top fixed mounting of carriage one side has dry sterilization case, the equal fixed mounting in middle part of the MRI machine body left and right sides has the warning light.
In a preferred embodiment, sliding plates are fixedly sleeved on the upper surface and the lower surface of the inner cavity of the sliding box, sliding teeth are fixedly sleeved on the outer surface of each sliding plate, a slider is slidably mounted on one side of the outer surface of each sliding tooth, and sliding grooves are formed in one side and the top of the sliding box.
In a preferred embodiment, the bottom fixed mounting of dry sterilization incasement chamber has the cushion pad, the top fixed mounting of cushion pad has drying equipment, the fixed intercommunication in drying equipment's top has the hot-blast main, one side fixed mounting of dry sterilization incasement chamber has the reposition of redundant personnel case, the fixed intercommunication in middle part of reposition of redundant personnel incasement chamber has the reposition of redundant personnel tubular column, the fixed intercommunication of opposite side of reposition of redundant personnel tubular column has the diversion tubular column, the fixed cover of opposite side of diversion tubular column is equipped with the air-out interface, the filter screen groove has been seted up to the opposite side of dry sterilization incasement, the upper and lower two sides of filter screen groove are all fixed the cover and are equipped with.
In a preferred embodiment, the fixed suit of discernment noise reduction box is at the top of flat service creeper, the position of discernment noise reduction box corresponds with the middle part position of flat service creeper top surface, the fixed cover of the other side of earplug is equipped with the soft cover of rubber, the rubber lagging is the rubber material component, one side of carriage is through one side fixed connection of spout and slider.
In a preferred embodiment, the elastic stretching tube is movably sleeved with a connecting spring, the outer surface of the elastic stretching tube is made of rubber, and the stretching groove is provided with a diameter and width range which is greater than the horizontal width zero point of the elastic stretching tube by five centimeters to one centimeter.
In a preferred embodiment, the output end of the general control panel is electrically connected to the input ends of the pressure relief device, the drying device, the ultraviolet device, the first hydraulic device, the face recognition device, the second pressure sensor and the slider, the output end of the second pressure sensor is electrically connected to the input end of the warning light, and the output end of the first pressure sensor is electrically connected to the input end of the second driving device.
The use method of the main magnet uniformity detection and analysis device of the MRI equipment comprises the following steps:
s1, determining the position of a using device and transporting the device to the using position;
s2, firstly opening a master control panel of the equipment, then controlling the face recognition equipment to start when a detection person lies on the lying plate, then carrying out face recognition on the detection person through a recognition slot by using a face recognition head, recognizing the ear position of the detection person, then transmitting the recognized information to a first hydraulic device, then starting the first hydraulic device, driving devices such as an elastic stretching tube, a hood wearing arm and the like to descend to the face of the detection person, starting the hood wearing arm 5, enabling the hood wearing arm 5 to be folded, then wearing the ear of the person by using devices such as a rubber sleeve plate, a stretching spring, earplugs and the like, then starting the pressure relief equipment, releasing songs inside the pressure relief equipment, thereby reducing the pressure of the person and reducing the noise transmitted into the ear during detection, preventing the noise from interfering the person, simultaneously controlling a second driving device to start, and then driving the soundproof cover to move, therefore, the bellies of the testers are covered comprehensively by using the sound-proof covers on the two sides, the noise is prevented from influencing the safety of children on the bellies of the pregnant testers, the rotating device is used for rotating and adjusting when the bellies are covered and protected, meanwhile, the sponge base plate is used for performing pressure reduction protection on the bellies, the pressure is prevented from being too large, and when the pressure is large, the first pressure sensor is used for performing pressure sensing, so that the closing is stopped at a proper position;
s3, when a detector lies on the flat lying plate, the hand of the detector can be placed on the placing groove and the soft base plate, then the buffer spring is used for buffering, the situation that the hand is placed to touch the second pressure sensor when being relaxed is prevented, warning is generated, mistaken touch is avoided, and when the detector detects, the detector can not adapt or is uncomfortable to the body sometimes, the soft base plate can be placed by lightly pressing down the hand or arm, so that the soft base plate is placed by utilizing the elastic drop of the buffer spring to press down the second pressure sensor, warning is generated, an operator can timely observe and close the machine equipment, and the detector is prevented from life danger;
and S4, maintaining the equipment after the use is finished.
In a preferred embodiment, in step 2S, when the head arm, the rubber sleeve plate, the extension spring and the ear plug are worn on the ear of the person under test, the size of the ear head arm is adjusted by using the rotation of the head arm and the adjustment of the rubber sleeve plate, the extension spring and the like, so that the ear head arm is suitable for wearing by different persons.
In a preferred embodiment, in step 3S, after all the tests are completed, the slider is controlled to start, so as to slide on the sliding plate and the sliding teeth, the sliding frame and the drying and sterilizing box are driven to slide while sliding, then the flat lying plate and other devices are covered and wrapped, the drying device and the ultraviolet device are controlled to start, the ultraviolet device is used for sterilizing and protecting the periphery of the flat lying plate, the drying device and the hot air pipe are used for conveying hot air into the shunt pipe column, the shunt pipe column is used for shunting and conveying the hot air into the flow guide pipe column and the air outlet, and the air outlet and the filter screen groove are used for spraying dry hot air to the outer periphery of the flat lying plate, the bed seat and other devices, so as to prevent wet corrosion and damage.
The invention has the technical effects and advantages that:
1. by setting the automatic identification noise reduction technology, the running time of MRI examination is long, the internal environment can be unbearable by some patients, the running noise of equipment is strong, and the discomfort of the patients can be caused, so the automatic identification technology for the face position is designed, the noise reduction earplugs are automatically lifted according to the face position of the patients, the patients can be free from the influence of noise in the examination process, the examination of the equipment can be stably finished, the discomfort of the patients is reduced, and the phenomenon that the forming of images is influenced by the disorder of the internal of the patients can be avoided;
2. according to the invention, the induction alarm device is arranged, and the equipment is not suitable for the examination of critical patients, so that the critical patients are afraid of being unable to bear the internal environment and cannot give corresponding response, and unnecessary results are caused, but the design can enable the patients to transmit an alarm outwards through the grooves arranged at the arms when the internal environment cannot be tolerated, and information is timely transmitted to doctors to stop the operation of the equipment, and the belly fixing frame is arranged in the equipment, so that the pregnant women can use the equipment to fix the belly when in examination, and the phenomenon that the imaging forming is influenced due to disorder is avoided;
3. by arranging the ultraviolet sterilization device, because the number of the patients examined by using MRI every day is not enough, the germs on the examination platform can possibly stay for a long time, and the excessive use can cause the dampness on the examination platform, which can bring the unsatisfactory feeling to the following patients.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention.
FIG. 3 is a top view of FIG. 1 taken at B according to the present invention.
Fig. 4 is a bottom view at C of fig. 1 according to the present invention.
Fig. 5 is a schematic structural diagram of fig. 1 at point D according to the present invention.
Fig. 6 is a schematic view of the inner cavity structure of the sliding box of the present invention.
Fig. 7 is a schematic structural diagram of the inner cavity of the drying and sterilizing box of the invention.
Fig. 8 is a schematic diagram of the overall circuit structure of the present invention.
The reference signs are: 1. a base; 2. an MRI body; 3. identifying a noise reduction box; 31. clamping a plate; 32. a first hydraulic device; 33. elastically stretching the tube; 34. a drawing tank; 35. a face recognition device; 36. a face recognition head; 37. identifying a slot; 4. mounting a support rod; 5. a headgear wearing arm; 6. a rubber sheathing board; 7. an extension spring; 8. an earplug; 9. a pressure relief device; 10. a supporting seat; 11. a bed base; 12. a flat lying plate; 13. Connecting blocks; 14. a protection box; 141. a second driving device; 142. a telescopic groove; 143. a sound-proof housing; 144. A rotator; 145. a first pressure sensor; 146. a sponge backing plate; 15. a sensing placement seat; 151. a second pressure sensor; 152. a placement groove; 153. placing a soft cushion plate; 154. a buffer spring; 16. a master control panel; 17. a dismounting frame; 18. a slide box; 19. a carriage; 20. drying and sterilizing the box; 30. a warning light; 21. a buffer seat; 22. a drying device; 23. a hot air pipe; 24. a shunt box; 25. a shunt pipe column; 26. a flow guide pipe column; 27. an air outlet interface; 28. an ultraviolet device; 29. a filter screen groove; 181. a slide plate; 182. sliding the teeth; 183. a slider; 184. a chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-8, an MRI apparatus main magnet uniformity detection and analysis device comprises an MRI apparatus main magnet uniformity detection and analysis device, which comprises a base 1, an MRI apparatus body 2, a supporting seat 10, a bed 11 and a flat lying plate 12, a recognition noise reduction box 3 is fixedly sleeved on the top of the outer surface of the MRI apparatus body 2, a clamping plate 31 is fixedly installed on the top of the inner cavity of the recognition noise reduction box 3, a first hydraulic device 32 is fixedly installed on the bottom of the clamping plate 31, an elastic stretching tube 33 is movably sleeved on the bottom of the first hydraulic device 32, a stretching groove 34 is formed on the bottom of the recognition noise reduction box 3, a face recognition device 35 is fixedly installed on the bottom of one side of the inner cavity of the recognition noise reduction box 3, a face recognition head 36 is fixedly installed on the bottom of the face recognition device 35, a recognition groove 37 is formed on one side of the bottom of the recognition noise, the arrangement of the recognition slot 37 can ensure that the face recognition head 36 can completely recognize the human face. Specifically, the face recognition head 36 may extend partially out of the recognition slot 37 to further ensure that a complete face is recognized. More specifically, the face recognition head 36 may be disposed obliquely toward the center of the lying plate 12, so that the photographed face is more complete. The bottom of the elastic stretching tube 33 is fixedly connected with a mounting support rod 4 through a stretching groove 34, and the left side and the right side of the bottom of the mounting support rod 4 are movably sleeved with a head cover wearing arm 5. The flat lying plate 12 is provided with a head shallow groove, the head of a person can be directly rested on the head shallow groove, and a flexible component can be arranged on the head shallow groove, so that the comfort level of the head of the person is improved, the head of the person is prevented from being pressed by children or old people, the head is prevented from being damaged, and the emotion of the person to be detected is relieved. The first hydraulic device 32 can make the head-wearing arm 5 move up and down, and the elastic stretching chamber 33 can ensure that the head-wearing arm 5 has elastic buffering when moving up and down. Two hoods are worn arm 5 and are installed branch 3 relatively and realize the state that opens and shuts, initial condition, and two hoods are worn arm 5 and are opened the state, and after discerning the people's face, the hood is worn arm 5 and is moved near people's ear, wears arm 5 with two hoods and sets up to the receipts and close state, and two hoods are worn arm 5 and are closed relatively for the hood is worn arm 5 and is covered people's ear. Specifically, arm 5 is worn to the hood and installation branch 4 passes through gear connection, is provided with the driving gear on the installation branch promptly, and the hood is worn to be provided with driven gear on the arm 5, and the driving gear meshes with driven gear, utilizes the just reversal of motor drive driving gear, can realize the hood and wear arm 5 and install branch just reversal rotation relatively, realizes two hoods and wears opening or the receipts motion of arm 5. The bottom fixed mounting that arm 5 was worn to the hood has rubber lagging 6, and the inside movable sleeve of rubber lagging 6 is equipped with extension spring 7, and one side movable sleeve of rubber lagging 6 is equipped with earplug 8, and the inside fixed mounting of earplug 8 has pressure to alleviate equipment 9. The arrangement of the extension spring 7 enables the earplug 8 to have a buffering effect when covering the ear of a person, and avoids the discomfort of the ear caused by excessive force. Specifically, the earplug 8 is provided with a pressure sensor, the pressure sensor is used for detecting the pressure of the earplug for pressing the human ear, the pressure sensor detects the pressure in real time in the process of covering the human ear with the earplug, and when the actually detected pressure reaches a preset value, the head cover wearing arm 5 stops folding. The pressure sensor is suitable for everyone, and the problem that the earplug cover cannot cover the human ear or the earplug excessively covers the human ear is avoided. The left side and the right side of the lying plate 12 are fixedly provided with connecting blocks 13, the other side of each connecting block 13 is fixedly sleeved with a protective box 14, one side of the inner cavity of each protective box 14 is fixedly provided with a second driving device 141, the other side of each second driving device 141 is movably connected with a sound-proof cover 143, the other side of each protective box 14 is provided with a telescopic groove 142, each protective box 14 is provided with a rolling gear 144, each second driving device 141 drives the rolling gear 144 to rotate, one side in each sound-proof cover 143 is provided with a rolling way, the rolling gears 144 are meshed with the rolling ways, and the rolling ways are equivalent to. When the second driving device 141 is started, the rolling gear 144 rotates, and the rolling gear 144 is engaged with the raceway, thereby driving the soundproof cover 143 to move in the telescopic slot 142. When the abdomen of the human body needs to be covered by the soundproof cover 143, the second driving device 141 is started, the rolling gear 144 rotates to drive the soundproof cover 143 to extend outwards through the telescopic slot 142, the soundproof cover 143 has an arc structure, the soundproof cover 143 extends outwards while the soundproof cover 143 gradually covers the abdomen of the human body, and when the abdomen of the human body does not need to be covered by the soundproof cover 143, the second driving device 141 is started, the rolling gear 144 rotates reversely, and the soundproof cover 143 is retracted. The inboard fixed cover of sound-proof housing 143 is equipped with sponge backing plate 146, and the fixed cover in one side of sound-proof housing 143 is equipped with first pressure sensor 145, and the equal fixed mounting in the left and right sides at flat service creeper 12 top has the sensing to place seat 15, and the bottom fixed mounting that the seat 15 inner chamber was placed in the sensing has second pressure sensor 151, and the standing groove 152 has been seted up at the top that the seat 15 was placed in the sensing, and the top movable sleeve that the seat 15 inner chamber was placed in the sensing is equipped with places soft backing plate 153. The first pressure sensor 145 detects the pressure on the soundproof cover 143 to avoid pressing excessively to the abdomen of the human body. The equal fixed mounting in the left and right sides of seat 15 inner chamber bottom is placed in the sensing has buffer spring 154, the middle part fixed mounting of supporting seat 10 surface has total control panel 16, the bottom fixed mounting of the supporting seat 10 left and right sides has dismouting frame 17, the opposite side demountable installation of dismouting frame 17 has slip case 18, the opposite side movable sleeve of slip case 18 is equipped with carriage 19, the top fixed mounting of carriage 19 one side has dry sterilization case 20, the equal fixed mounting in the middle part of the 2 left and right sides of MRI organism has warning light 30.
A use method of a main magnet uniformity detection and analysis device of an MRI device comprises the following steps:
s1, determining the position of a using device and transporting the device to the using position;
s2, firstly opening the main control panel 16 of the device, then controlling the face recognition device 35 to start when a detection person lies on the lying plate 12, then carrying out face recognition on the detection person through the recognition slot 37 by using the face recognition head 36, recognizing the ear position of the detection person, then transmitting the recognized information to the first hydraulic device 32, then starting the first hydraulic device 32 to drive the elastic stretching tube 33, the head-covering arm 5 and other devices to descend so as to descend to the face of the detection person, starting the head-covering arm 5 to fold the head-covering arm 5, wearing the rubber sleeve plate 6, the stretching spring 7, the earplug 8 and other devices on the ears of the person, then starting the pressure relief device 9 to play songs inside, thereby relieving the pressure of the person and reducing the noise transmitted into the ears during detection, preventing the noise from interfering the person, and simultaneously controlling the second driving device 141 to start, then the sound-proof shield 143 is driven to move, so that the sound-proof shield 143 on the two sides is used for completely covering the abdomen of the detecting person, the noise is prevented from influencing the safety of children on the abdomen of the pregnant person, the sponge cushion plate 146 is used for performing pressure reduction protection on the abdomen, the pressure is prevented from being too large, and when the pressure is large, the first pressure sensor 145 is used for performing pressure sensing, so that the closing is stopped at a proper position;
s3, when a detection person lies on the flat lying plate 12, the hand of the person can be placed on the placing groove 152 and the placing soft cushion plate 153, then the buffering is carried out by the buffer spring 154, the situation that the hand is loosened, the placing soft cushion plate 153 touches the second pressure sensor 151 is avoided, the warning is avoided, the error touch is avoided, and when the detection person detects, the person can sometimes feel uncomfortable or uncomfortable, the placing soft cushion plate 153 can be pressed down by the hand or arm, so that the elastic drop of the buffer spring 154 is used for placing the soft cushion plate 153 to press down on the second pressure sensor 151, the warning is sent out, the operation person can observe and close the machine equipment in time, and the life danger of the detection person is prevented;
and S4, maintaining the equipment after the use is finished.
In step S2, when the headgear arms 5, the rubber sleeve 6, the extension spring 7 and the ear plug 8 are worn on the ears of the examinee, the size of the device is adjusted by the rotation of the headgear arms 5 and the adjustment of the rubber sleeve 6, the extension spring 7, etc., so as to adapt to the wearing of different persons.
The method for using the main magnet uniformity detecting and analyzing device of MRI apparatus as shown in fig. 7-8, in step S3, when the detection is completed, the slider 183 is controlled to start, so as to slide on the sliding plate 181 and the sliding tooth 182, and the sliding rack 19 and the dry sterilization box 20 are driven to slide while sliding, so that the dry sterilization box 20 and other devices located at both sides of the lying plate 12 move toward the center of the lying plate 12, then the lying plate 12 and other devices are covered and wrapped, the drying device 22 and the uv device 28 are controlled to start, the uv device 28 is used to sterilize and protect the periphery of the lying plate 12, and the drying device 22 and the hot air pipe 23 are used to convey the hot air into the diversion pipe column 25, and then the diversion pipe column 25 is used to convey the hot air into the diversion pipe column 26 and the air outlet 27, and the air outlet 27 and the filter screen slot 29 are used to spray the dry hot air to the periphery of the lying plate 12 and the bed 11 and other devices, thereby preventing moisture corrosion and damage.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A main magnet uniformity detection and analysis device of an MRI (magnetic resonance imaging) device comprises a base, an MRI machine body, a supporting seat, a bed seat and a flat lying plate, and is characterized in that a recognition noise reduction box is fixedly sleeved at the top of the outer surface of the MRI machine body, a clamping plate is fixedly installed at the top of an inner cavity of the recognition noise reduction box, a first hydraulic device is fixedly installed at the bottom of the clamping plate, an elastic stretching pipe is movably sleeved at the bottom of the first hydraulic device, a stretching groove is formed in the bottom of the recognition noise reduction box, a face recognition device is fixedly installed at the bottom of one side of the inner cavity of the recognition noise reduction box, a face recognition head is fixedly installed at the bottom of the face recognition device, a recognition groove is formed in one side of the bottom of the recognition noise reduction box, a mounting support rod is fixedly connected to the bottom of the, the hood wearing arms are connected with the mounting support rods through gears, driving gears are arranged on the mounting support rods, driven gears are arranged on the hood wearing arms, the driving gears are meshed with the driven gears, and the driving gears are driven by a motor to rotate forward and backward to realize the opening or closing movement of the two hood wearing arms; the bottom of the arm is fixedly provided with a rubber sleeve plate, the inner movable sleeve of the rubber sleeve plate is provided with an extension spring, one side of the rubber sleeve plate is movably provided with an earplug, the inner fixed mounting of the earplug is provided with a pressure relieving device, the left side and the right side of the flat lying plate are both fixedly provided with a connecting block, the other side of the connecting block is fixedly provided with a protective box, one side of the inner cavity of the protective box is fixedly provided with a second driving device, the other side of the second driving device is movably connected with a sound-proof shield, the other side of the protective box is provided with a telescopic groove, the protective box is provided with the rolling gear, the second driving device drives the rolling gear to rotate, one side in the sound-proof shield is provided with the roller path, the rolling gear is meshed with the roller path, the second driving device drives the rolling gear to rotate positively and negatively to realize the movement of the driving, the inner side of the sound-proof shield is fixedly sleeved with a sponge backing plate, one side of the inside of the sound-proof shield is movably sleeved with a rotator, one side of the inside of the sound-proof shield is fixedly sleeved with a first pressure sensor, the left side and the right side of the top of the flat lying plate are fixedly provided with sensing placing seats, the bottom of each sensing placing seat inner cavity is fixedly provided with a second pressure sensor, the top of each sensing placing seat is provided with a placing groove, the top of each sensing placing seat inner cavity is movably sleeved with a placing soft backing plate, the left side and the right side of the bottom of each sensing placing seat inner cavity are fixedly provided with buffer springs, the middle of the outer surface of the supporting seat is fixedly provided with a master control panel, the bottoms of the left side and the right side of the supporting seat are fixedly provided with a dismounting frame, the other side of the dismounting frame is detachably provided with a, and warning lamps are fixedly mounted in the middle of the left side and the right side of the MRI machine body.
2. The main magnet uniformity detecting and analyzing device of an MRI apparatus according to claim 1, wherein sliding plates are fixedly sleeved on both upper and lower surfaces of the inner cavity of the sliding box, sliding teeth are fixedly sleeved on the outer surface of the sliding plates, a slider is slidably installed on one side of the outer surface of the sliding teeth, and sliding grooves are formed on both one side and the top of the sliding box.
3. The MRI apparatus main magnet uniformity detecting and analyzing device according to claim 1, wherein a buffer seat is fixedly installed at the bottom of the inner cavity of the drying and sterilizing box, a drying apparatus is fixedly installed at the top of the buffer seat, a hot air pipe is fixedly communicated with the top of the drying apparatus, a shunt box is fixedly installed at one side of the inner cavity of the drying and sterilizing box, a shunt pipe column is fixedly communicated with the middle of the inner cavity of the shunt box, a flow guide pipe column is fixedly communicated with the other side of the shunt pipe column, an air outlet port is fixedly sleeved at the other side of the flow guide pipe column, a filter screen groove is formed at the other side of the drying and sterilizing box, and ultraviolet devices are fixedly sleeved at the upper side and the lower side of the.
4. The MRI apparatus main magnet uniformity detecting and analyzing device as claimed in claim 2, wherein the identification noise reduction box is fixedly sleeved on the top of the lying plate, the position of the identification noise reduction box corresponds to the middle position of the top surface of the lying plate, the other side of the earplug is fixedly sleeved with a soft rubber sleeve, the soft rubber sleeve is a rubber component, and one side of the sliding frame is fixedly connected with one side of the slider through a sliding groove.
5. The device for detecting and analyzing the main magnet uniformity of the MRI apparatus according to claim 1, wherein the elastic stretching tube is movably sleeved with a connecting spring, the outer surface of the elastic stretching tube is a rubber member, and the stretching slot has a diameter and a width range larger than a horizontal width of the elastic stretching tube by a zero point of five centimeters to one centimeter.
6. The MRI device main magnet uniformity detecting and analyzing device according to claim 1, wherein the output end of the main control panel is electrically connected to the input ends of the pressure relief device, the drying device, the ultraviolet device, the first hydraulic device, the face recognition device, the second pressure sensor and the slider, the output end of the second pressure sensor is electrically connected to the input end of the warning lamp, and the output end of the first pressure sensor is electrically connected to the input end of the second driving device.
7. The MRI apparatus main magnet uniformity detection and analysis device according to claim 1, using the locking device of claims 1-6, comprising the steps of;
s1, determining the position of a using device and transporting the device to the using position;
s2, firstly opening a master control panel of the equipment, then controlling the face recognition equipment to start when a detection person lies on the lying plate, then carrying out face recognition on the detection person through a recognition slot by using a face recognition head, recognizing the ear position of the detection person, then transmitting the recognized information to a first hydraulic device, then starting the first hydraulic device, driving devices such as an elastic stretching tube, a hood wearing arm and the like to descend to the face of the detection person, starting the hood wearing arm 5, enabling the hood wearing arm 5 to be folded, then wearing the ear of the person by using devices such as a rubber sleeve plate, a stretching spring, earplugs and the like, then starting the pressure relief equipment, releasing songs inside the pressure relief equipment, thereby reducing the pressure of the person and reducing the noise transmitted into the ear during detection, preventing the noise from interfering the person, simultaneously controlling a second driving device to start, and then driving the soundproof cover to move, therefore, the bellies of the testers are covered comprehensively by using the sound-proof covers on the two sides, the noise is prevented from influencing the safety of children on the bellies of the pregnant testers, the rotating device is used for rotating and adjusting when the bellies are covered and protected, meanwhile, the sponge base plate is used for performing pressure reduction protection on the bellies, the pressure is prevented from being too large, and when the pressure is large, the first pressure sensor is used for performing pressure sensing, so that the closing is stopped at a proper position;
s3, when a detector lies on the flat lying plate, the hand of the detector can be placed on the placing groove and the soft base plate, then the buffer spring is used for buffering, the situation that the hand is placed to touch the second pressure sensor when being relaxed is prevented, warning is generated, mistaken touch is avoided, and when the detector detects, the detector can not adapt or is uncomfortable to the body sometimes, the soft base plate can be placed by lightly pressing down the hand or arm, so that the soft base plate is placed by utilizing the elastic drop of the buffer spring to press down the second pressure sensor, warning is generated, an operator can timely observe and close the machine equipment, and the detector is prevented from life danger;
and S4, maintaining the equipment after the use is finished.
8. A method for using the main magnet uniformity detecting and analyzing device of the MRI apparatus according to claim 7, wherein in step S2, when the head-mounted arm, the rubber sleeve, the extension spring and the earplug are worn on the ear of the examinee, the rotation adjustment of the head-mounted arm and the adjustment of the size of the rubber sleeve, the extension spring are used to adapt to the wearing of different persons.
9. A method for using the main magnet uniformity detecting and analyzing device of the MRI apparatus according to the claim 7-8, characterized in that, in step S3, when the detection is completed, the slider is controlled to start, so as to slide on the sliding plate and the sliding tooth, and drive the sliding frame and the dry sterilizing box to slide while sliding, then cover and wrap the flat lying plate, and then control the drying device and the UV device to start, and use the UV device to sterilize and protect the periphery of the flat lying plate, and use the drying device and the hot air pipe to deliver the hot air to the shunt pipe column, and then use the shunt pipe column to deliver the dry hot air to the outer periphery of the flat lying plate and the bed seat, and use the air outlet port and the filter screen slot to spray the dry hot air to the outer periphery of the flat lying plate and the bed seat, thereby preventing the wet corrosion and the damage.
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