CN111000559A

CN111000559A - MRI system nuclear magnetic resonance detection device

Info

Publication number: CN111000559A
Application number: CN201911296129.0A
Authority: CN
Inventors: 王红霞; 李锐; 李青波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-04-14

Abstract

The utility model provides a MRI system nuclear magnetic resonance detecting device, including horizontally nuclear magnetic detection cabin, the horizontal base of nuclear magnetic detection under-deck installation, base one end stretches out outside the nuclear magnetic detection cabin, the first guide rail of direction about the base top surface sets up, install a plurality of electronic sliders on the first guide rail, the second guide rail of direction about the inside bottom surface center of box is seted up, install the several slider on the second guide rail, the first montant of equal fixed mounting on the slider, a plurality of first montant tops all with same first diaphragm fixed connection, the horizontal electric telescopic handle of box inside right flank fixed mounting. The invention has simple structure and ingenious design, can automatically attach to the surface of the human body by utilizing the gravity of the human body when a person uses the device and automatically fix the human body, and can ensure that each part of the body can not generate displacement in the horizontal direction by fixing the body of the patient, and the nuclear magnetic resonance imaging is relatively clear, so that the judgment of a doctor is more accurate, and the patient can be recovered more quickly.

Description

MRI system nuclear magnetic resonance detection device

Technical Field

The invention belongs to the field of detection devices, and particularly relates to a nuclear magnetic resonance detection device of an MRI system.

Background

At present, a lot of nuclear magnetic resonance examinations are performed by lying a person on a bed and pushing the bed into a nuclear magnetic detection cabin for examination, the body of the person inevitably moves in the examination process, the nuclear magnetic resonance imaging has double images, a doctor observes the double images and has certain impression on the judgment of the illness state, the diagnosis of the doctor is not easy, and the use is not convenient.

Disclosure of Invention

The invention provides a nuclear magnetic resonance detection device of an MRI system, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a nuclear magnetic resonance detection device of an MRI system comprises a horizontal nuclear magnetic detection cabin, a horizontal base is arranged in the nuclear magnetic detection cabin, one end of the base extends out of the nuclear magnetic detection cabin, a first guide rail in the left-right direction is arranged on the top surface of the base, a plurality of electric slide blocks are arranged on the first guide rail and are all fixedly connected with the bottom surface of the same box body, a second guide rail in the left-right direction is arranged in the center of the bottom surface of the inner part of the box body, a plurality of slide blocks are arranged on the second guide rail, first vertical rods are fixedly arranged on the slide blocks, the tops of the first vertical rods are all fixedly connected with the same first transverse plate, the top surface of the first transverse plate is closely contacted and matched with the top surface of the inner part of the box body, a horizontal electric telescopic rod is fixedly arranged on the right side surface of the inner part of the box body, the movable end of the electric telescopic rod is fixedly connected with, the first through hole is not communicated with the second through hole, the positions of the top surface of the box body corresponding to the first through holes are fixedly provided with vertical first sleeves, the interiors of the first sleeves are communicated with the corresponding first through holes, piston rods are arranged in the first sleeves, the outer side surfaces of the piston rods are in close contact fit with the inner wall surfaces of the corresponding first sleeves, the bottom surfaces of the piston rods are provided with blind holes, the piston rods are provided with second transverse plates, the centers of the bottom surfaces of the second transverse plates are provided with third through holes, the piston rods penetrate through the corresponding third through holes, the piston rods are fixedly connected with the third through holes, the side surfaces of the second transverse plates are in contact fit with the side surfaces of the adjacent second transverse plates, the top surfaces of the piston rods are provided with third transverse plates, the third transverse plates are identical to the bottom surfaces of the second transverse plates in shape, the side surfaces of the second transverse plates are fixedly connected with the side surfaces of the third transverse, the box body, the first sleeve, the blind hole, the first through hole and the second through hole are filled with liquid.

According to the MRI system nuclear magnetic resonance detection device, the top surfaces of the piston rods are provided with spherical grooves, spheres are arranged in the spherical grooves and can rotate in the corresponding spherical grooves, and the top surfaces of the spheres are fixedly provided with third transverse plates.

According to the MRI system nuclear magnetic resonance detection device, the rectangular retainer ring is fixedly arranged on the top surface of the box body, and the outer side surface of the third transverse plate at the outermost periphery and the outer side surface of the second transverse plate at the outermost periphery are in contact fit with the inner side surface of the rectangular sleeve.

The MRI system nuclear magnetic resonance detection device comprises a piston rod, a blind hole, a horizontal second sleeve, a third transverse plate, a piston, a connecting rod, a spring, a blind hole, a second groove, a second through hole, a third through hole, a connecting rod, a spring, a connecting rod and a connecting rod, wherein the side surface of the top of the piston rod is provided with the uniformly distributed fourth through holes along the circumferential direction, the fourth through holes are communicated with the blind hole, the outer side of the fourth through holes is fixedly provided with the horizontal second sleeve, the axis of the second sleeve is vertical to the side surface of the third transverse plate, the outer end surface of the piston is fixedly connected with elastic cloth, the bottom surface of the, the wedge-shaped groove is formed in the side face of the bottom of the connecting rod, the step through hole is formed in the position, corresponding to the wedge-shaped groove, of the side face of the third groove, the large end face of the step through hole is communicated with the third groove, the step shaft is mounted in the step through hole, the end, far away from the connecting rod, of the step shaft is arc-shaped, the arc-shaped end is flush with the opening of the step hole, the end face, close to the connecting rod, of the step shaft is an inclined face, and.

The invention has the advantages that: when the medical instrument is used, the switch is turned on in an initial test state as shown in figure 1, under the action of the controller, the electric telescopic rod is contracted to pull the first vertical rod to move, the sliding block and the first vertical rod move simultaneously to drive the first transverse plate to move, the first transverse plate moves to enable the first through hole to be communicated with the second through hole, at the moment, the interior of the box body, the interior of the first sleeve, the blind holes, the first through hole and the second through hole are communicated, the medical instrument can be seen as being composed of a plurality of U-shaped tubes, when a patient lies on a plane formed by the third transverse plates, because the surface of the body of the patient is uneven, some third transverse plates are in contact with the body of the patient, and some third transverse plates are not in contact with the body of the patient, the third transverse plate contacting with human body can be slowly pushed by the influence of human body pressure to make the connected piston rod move downwards to increase the hydraulic pressure in the whole device, because the top surface of the third transverse plate not contacting with human body is not pressed, under the condition of increasing hydraulic pressure in the device, the third transverse plate not contacting with human body can be moved upwards, the third transverse plate can be moved upwards to drive the connected piston rod to move upwards so as to reduce the hydraulic pressure in the device, until the hydraulic pressure of the whole device is restored to the initial state, at this time, because the third transverse plate contacting with human body is moved downwards, the third transverse plate not contacting with human body can be moved upwards (as shown in figure 4), at this time, every part of human body is equivalent to be sunk into the device, so that it can not produce horizontal movement, when the area of the third transverse plate is small enough, every surface of human body can be contacted with the third transverse plate, the human body is tightly attached to the device, the fixing effect of the device is better, the controller controls the electric telescopic rod to extend, the first through hole and the second through hole are staggered, all the piston rods cannot move up and down, the human body is fixed above the box body, the controller drives the box body to move towards the nuclear magnetic detection cabin to be checked, after the check is finished, the controller controls the electric telescopic rod to contract, the first through hole is communicated with the second through hole, under the condition of no external force, part of the third transverse plates are positioned at relatively lower positions, part of the third transverse plates are positioned at relatively higher positions, hydraulic pressure difference exists, under the action of the hydraulic pressure difference, the third transverse plates positioned at high positions slowly want to move down, the third transverse plates positioned at low positions move up, and after a period of time, all the third transverse plates are positioned on the same horizontal plane, restoring the device to the initial state; the invention has simple structure and ingenious design, can automatically attach to the surface of the human body by utilizing the gravity of the human body when a person uses the device and automatically fix the human body, and can ensure that each part of the body can not generate displacement in the horizontal direction by fixing the body of the patient, and the nuclear magnetic resonance imaging is relatively clear, so that the judgment of a doctor is more accurate, and the patient can be recovered more quickly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view taken at point I in FIG. 1; fig. 3 is a top schematic view of piston rod 14; FIG. 4 is a use state diagram; fig. 5 is an enlarged view of fig. 4 at point ii.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A nuclear magnetic resonance detection device of an MRI system comprises a horizontal nuclear magnetic detection cabin 1, a horizontal base 2 is arranged in the nuclear magnetic detection cabin 1, one end of the base 2 extends out of the nuclear magnetic detection cabin 1, a first guide rail 3 in the left-right direction is arranged on the top surface of the base 2, a plurality of electric slide blocks 4 are arranged on the first guide rail 3, the plurality of electric slide blocks 4 are all fixedly connected with the bottom surface of the same box body 5, a second guide rail 6 in the left-right direction is arranged at the center of the bottom surface in the box body 5, a plurality of slide blocks 7 are arranged on the second guide rail 6, first vertical rods 8 are all fixedly arranged on the slide blocks 7, the tops of the plurality of first vertical rods 8 are all fixedly connected with the same first transverse plate 9, the top surface of the first transverse plate 9 is in close contact fit with the top surface in the box body 5, a horizontal electric telescopic rod 10 is fixedly arranged on the right side surface, the top surface of the box body 5 is provided with a plurality of first through holes 11 which are distributed in a rectangular shape, one side of the top surface of the first transverse plate 9 corresponding to the first through holes 11 is provided with a second through hole 12, the first through holes 11 are not communicated with the second through holes 12, the positions of the top surface of the box body 5 corresponding to the first through holes 11 are fixedly provided with vertical first sleeves 13, the interiors of the first sleeves 13 are communicated with the corresponding first through holes 11, piston rods 14 are all arranged in the first sleeves 13, the outer side surfaces of the piston rods 14 are closely contacted and matched with the inner wall surfaces of the corresponding first sleeves 13, the bottom surfaces of the piston rods 14 are provided with blind holes 20, the piston rods 14 are provided with second transverse plates 15, the centers of the bottom surfaces of the second transverse plates 15 are provided with third through holes 16, the piston rods 14 penetrate through the corresponding third through holes 16, the piston rods 14 are fixedly connected with the third through holes 16, the side surfaces of the second, the bottom surfaces of the third transverse plates 19 and the second transverse plates 15 are identical in shape, the side surfaces of the second transverse plates 15 are fixedly connected with the side surfaces of the third transverse plates 19 through annular elastic fabrics 21, the top surfaces of the third transverse plates 19 are located on the same horizontal plane, the side surfaces of the third transverse plates 19 are in contact fit with the side surfaces of the adjacent third transverse plates 19, and the interior of the box body 5, the interior of the first sleeve 13, the blind holes 20, the first through holes 11 and the second through holes 12 are filled with liquid. The invention fixes the body of the patient on the box body 5, so that other parts of the body can not generate displacement in the horizontal direction, which is beneficial to the imaging of nuclear magnetic resonance, so that doctors can more easily judge the state of illness, when in specific use, the initial test state is as shown in figure 1, the switch is turned on, under the action of the controller, the electric telescopic rod 10 is contracted to pull the first vertical rod 8 to move, the slide block 7 and the first vertical rod 8 simultaneously move to drive the first transverse plate 9 to move, the first transverse plate 9 moves to enable the first through hole 11 to be communicated with the second through hole 12, at the moment, the interior of the box body 5, the interior of the first sleeve 13, the blind hole 20, the first through hole 11 and the second through hole 12 are communicated, at the moment, the patient can be regarded as being composed of a plurality of U-shaped tubes, when lying on the plane composed of the third transverse plates 19, because the surface of the human, some of the third cross plates 19 which are not contacted with the human body, because the piston rods 14 connected with the third cross plates 19 which are contacted with the human body are slowly pushed to move downwards under the influence of the pressure of the human body, the hydraulic pressure in the whole device is increased, under the condition that the hydraulic pressure in the device is increased, the third cross plates 19 which are not contacted with the human body move upwards, the third cross plates 19 move upwards to drive the connected piston rods 14 to move upwards so as to reduce the hydraulic pressure in the device until the hydraulic pressure of the whole device returns to the initial state, at the moment, because the third cross plates 19 which are contacted with the human body move downwards, the third cross plates 19 which are not contacted with the human body 22 move upwards (as shown in figure 4), at the moment, all parts of the human body are equivalent to be sunk into the device, so that the horizontal movement can not be generated, when the areas of the third cross plates 19 are small enough, the human body can be contacted with the third transverse plate 19 on each surface, the human body is attached to the device more tightly, the fixing effect of the device is better, the controller controls the electric telescopic rod 10 to extend, the first through hole 11 and the second through hole 12 are staggered, all the piston rods 14 can not move up and down, the human body is fixed above the box body 5, the electric slide block 4 drives the box body 5 to move towards the nuclear magnetic detection cabin 1 for detection through the controller, after the detection is finished, the human leaves, the controller controls the electric telescopic rod 10 to contract, the first through hole 11 is communicated with the second through hole 12, under the action of no external force, as part of the third transverse plate 19 is positioned at a relatively lower position, part of the third transverse plate 19 is positioned at a higher position, at the moment, hydraulic pressure difference exists, the third transverse plate 19 positioned at a higher position slowly wants to move down under the action of the hydraulic pressure difference, the third transverse plates 19 at the lower position move upwards, and after a period of time, all the third transverse plates 19 are positioned on the same horizontal plane, so that the device is restored to the initial state; the invention has simple structure and ingenious design, can automatically attach to the surface of the human body by utilizing the gravity of the human body when a person uses the device and automatically fix the human body, and can ensure that each part of the body can not generate displacement in the horizontal direction by fixing the body of the patient, and the nuclear magnetic resonance imaging is relatively clear, so that the judgment of a doctor is more accurate, and the patient can be recovered more quickly.

Specifically, as shown in fig. 4, the top surfaces of the piston rods 14 in this embodiment are all provided with spherical grooves 17, spheres 18 are all installed in the spherical grooves 17, the spheres 18 can rotate in the corresponding spherical grooves 17, and the top surfaces of the spheres 18 are all fixedly installed with third transverse plates 19. This design can make third diaphragm 19 and piston rod 14 produce certain angle, makes the better laminating with the human body of third diaphragm 19 surface ability.

Specifically, as shown in the figures, a rectangular retaining ring 23 is fixedly mounted on the top surface of the box body 1 in the embodiment, and the outer side surface of the outermost third transverse plate 19 and the outer side surface of the outermost second transverse plate 15 are in contact fit with the inner side surface of the rectangular sleeve 23. This design can prevent better that the dislocation from taking place between each third diaphragm 19, makes the device use more stable.

Further, as shown in fig. 4, 4 uniformly distributed fourth through holes 24 are formed in the side surface of the top of the piston rod 14 according to the embodiment along the circumferential direction, the fourth through holes 24 are communicated with the blind holes 20, a horizontal second sleeve 25 is fixedly mounted on the outer side of each fourth through hole 24, the axis of each second sleeve 25 is perpendicular to the side surface of the third transverse plate 19, a piston 26 is fixedly mounted in each second sleeve 25, the outer end surface of each piston 26 is fixedly connected with the elastic cloth 21, a second groove 27 is formed in the bottom surface of each piston 26, a fifth through hole 28 is formed in the position of each second sleeve 25 corresponding to the corresponding second groove 27, a connecting rod 29 is mounted in each fifth through hole 28, the top of each connecting rod 29 is located in the corresponding second groove 27, the connecting rod 29 is in inserting fit with the second groove 27, a third groove 30 is formed in the position of each second transverse plate 15 corresponding to the corresponding fifth through hole 28, the bottom of the connecting rod 29 is located in the corresponding third groove 30, the connecting rod 29 is fixedly connected with the bottom surface, spring 34 is in tensile state, and wedge groove 31 is all seted up to connecting rod 29 bottom side, and the position department that third recess 30 side corresponds wedge groove 31 sets up ladder through-hole 32, and the big terminal surface of ladder through-hole 23 communicates with each other with third recess 30, all installs step shaft 33 in the ladder through-hole 32, and the one end that connecting rod 29 was kept away from to step shaft 33 is the arc, and this cambered surface and step hole 32 opening part parallel and level, and the terminal surface that step shaft 33 is close to connecting rod 29 is the inclined plane, and this inclined plane cooperatees with the wedge groove 31 that corresponds. In the design, under the normal condition, the cambered surfaces between the stepped shafts 33 and the adjacent stepped shafts 33 are mutually attached, when a person lies on the device, a part of the second transverse plate 15 at one side of the bottom of the human body is higher than the third transverse plate 19 at the bottom of the human body, at the moment, under the action of the spring 34, the wedge-shaped groove 31 acts on the inclined surface of the stepped shafts 33, the connecting rod 29 moves downwards while the stepped shafts 33 move outwards, the top of the connecting rod 29 is separated from the second groove 27, at the moment, the piston 26 moves outwards in the second sleeve 25, the piston 26 pushes the elastic cloth 21 to move outwards, when a gap exists between the convex third transverse plate 19 and the human body 22, at the moment, the convex piston 26 deforms the elastic cloth 21, the elastic cloth 21 is attached to the side surface of the human body and has an extrusion force on the side surface of the human body, the human body 22 can be fixed from the side surface, the displacement of the human body 22 in the horizontal direction can be prevented, and the design can enable, the displacement of the human body 22 in the horizontal direction can be limited, so that the positioning effect is better, and the nuclear magnetic resonance imaging is clearer.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An MRI system nuclear magnetic resonance detecting apparatus, characterized in that: comprises a horizontal nuclear magnetic detection cabin (1), a horizontal base (2) is arranged in the nuclear magnetic detection cabin (1), one end of the base (2) extends out of the nuclear magnetic detection cabin (1), a first guide rail (3) in the left and right directions is arranged on the top surface of the base (2), a plurality of electric sliding blocks (4) are arranged on the first guide rail (3), the electric sliding blocks (4) are all fixedly connected with the bottom surface of the same box body (5), a second guide rail (6) in the left and right directions is arranged at the center of the inner bottom surface of the box body (5), a plurality of sliding blocks (7) are arranged on the second guide rail (6), first vertical rods (8) are all fixedly arranged on the sliding blocks (7), the tops of the first vertical rods (8) are all fixedly connected with the same first transverse plate (9), the top surface of the first transverse plate (9) is in close contact fit with the inner top surface of the box body (5), a horizontal electric telescopic rod (, the movable end of an electric telescopic rod (10) is fixedly connected with one of the first vertical rods (8), the top surface of a box body (5) is provided with a plurality of first through holes (11) which are distributed in a rectangular shape, one side of the top surface of a first transverse plate (9) corresponding to the first through holes (11) is provided with a second through hole (12), the first through holes (11) are not communicated with the second through holes (12), the positions of the top surface of the box body (5) corresponding to the first through holes (11) are fixedly provided with vertical first sleeves (13), the interiors of the first sleeves (13) are communicated with the corresponding first through holes (11), piston rods (14) are all arranged in the first sleeves (13), the outer side surfaces of the piston rods (14) are in close contact fit with the inner wall surfaces of the corresponding first sleeves (13), the bottom surfaces of the piston rods (14) are all provided with blind holes (20), the piston rods (14) are all provided with second transverse plates (15), the centers of the bottom surfaces, the piston rod (14) penetrates through the corresponding third through hole (16), the piston rod (14) is fixedly connected with the third through hole (16), the side face of the second transverse plate (15) is in contact fit with the side face of the adjacent second transverse plate (15), the top face of the piston rod (14) is provided with the third transverse plate (19), the third transverse plate (19) is identical to the bottom face of the second transverse plate (15) in shape, the side face of the second transverse plate (15) is fixedly connected with the side face of the third transverse plate (19) through annular elastic cloth (21), the top face of the third transverse plate (19) is located on the same horizontal plane, the side face of the third transverse plate (19) is in contact fit with the side face of the adjacent third transverse plate (19), the box body (5) is inside, the first sleeve (13) is inside, the blind hole (20), and the first through hole (11) and the.

2. An MRI system nmr detection apparatus according to claim 1, wherein: spherical grooves (17) are formed in the top surfaces of the piston rods (14), spheres (18) are mounted in the spherical grooves (17), the spheres (18) can rotate in the corresponding spherical grooves (17), and third transverse plates (19) are fixedly mounted on the top surfaces of the spheres (18).

3. An MRI system nmr detection apparatus according to claim 1, wherein: a rectangular retainer ring (23) is fixedly mounted on the top surface of the box body (1), and the outer side surface of a third transverse plate (19) at the periphery and the outer side surface of a second transverse plate (15) at the periphery are in contact fit with the inner side surface of the rectangular sleeve (23).

4. An MRI system nmr detection apparatus according to claim 1, wherein: the side surface of the top of the piston rod (14) is provided with (4) uniformly distributed fourth through holes (24) along the circumferential direction, the fourth through holes (24) are communicated with the blind holes (20), the outer sides of the fourth through holes (24) are fixedly provided with horizontal second sleeves (25), the axes of the second sleeves (25) are perpendicular to the side surface of a third transverse plate (19), pistons (26) are fixedly arranged in the second sleeves (25), the outer end surfaces of the pistons (26) are fixedly connected with elastic cloth (21), the bottom surfaces of the pistons (26) are provided with second grooves (27), fifth through holes (28) are formed in the positions, corresponding to the second grooves (27), of the second sleeves (25), connecting rods (29) are arranged in the fifth through holes (28), the tops of the connecting rods (29) are positioned in the corresponding second grooves (27), the connecting rods (29) are in inserting fit with the second grooves (27), and third grooves (30) are formed in the positions, corresponding to the fifth through holes (28), of the second transverse plate (15), connecting rod (29) bottom is arranged in corresponding third recess (30), connecting rod (29) bottom surface is through spring (34) and corresponding third recess (30) bottom surface fixed connection, spring (34) are in tensile state, wedge groove (31) all are seted up to connecting rod (29) bottom side, ladder through-hole (32) are seted up to the position department that third recess (30) side corresponds wedge groove (31), ladder through-hole (23) big terminal surface communicates with each other with third recess (30), all install step shaft (33) in ladder through-hole (32), the one end that connecting rod (29) were kept away from in step shaft (33) is the arc, and this cambered surface and step hole (32) opening part parallel and level, the terminal surface that step shaft (33) are close to connecting rod (29) is the inclined plane, and this inclined plane cooperatees with corresponding wedge groove (31).