CN111990998A - MRI image diagnostic device - Google Patents

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to an MRI (magnetic resonance imaging) image diagnosis device which comprises a detector body, wherein one side of the detector body is connected with an examination bed, the examination bed comprises a base, the top of the base is provided with a rectangular groove, the inner wall of the periphery of the base is provided with a same rectangular frame in a sliding manner, the top of the rectangular frame is fixedly provided with a transverse plate, the top of the transverse plate is provided with two sliding grooves, a first sliding plate and a second sliding plate are respectively installed in the two sliding grooves in a sliding manner, the tops of the first sliding plate and the second sliding plate respectively extend out of the corresponding sliding grooves and are provided with a same bed plate in a bulging manner, the top of the transverse plate is fixedly provided with a first motor. The medical examination bed has high practicability, can be convenient for patients with inconvenient actions to climb the examination bed for examination, brings convenience to the patients and medical care personnel, and enables the examination process to be more humanized.

Description

MRI image diagnostic device

Technical Field

The invention relates to the technical field of medical instruments, in particular to an MRI (magnetic resonance imaging) image diagnosis device.

Background

MRI, i.e. magnetic resonance imaging, often uses nuclei: 1H, 11B, 13C, 17O, 19F, 31P; the technology was called nuclear magnetic resonance imaging at the beginning of its birth, and by the beginning of the 20 th century and 80 s, the principle of nuclear magnetic resonance imaging as a new medical technology: the atomic nucleus is positively charged, and the atomic nuclei of a plurality of elements, such as 1H, 19FT, 31P and the like, perform spin motion; generally, the arrangement of the nuclear spin axes is irregular, but when the nuclear spin axes are placed in an external magnetic field, the spatial orientation of nuclear spin is transited from disorder to order; thus, the spinning nuclei also precess around the applied magnetic field vector at an angle between the spin axis and the vector direction of the applied magnetic field, which precession is called larmor precession, and resembles the rotation of a spinning gyroscope under the gravity of the earth.

However, the existing MRI image diagnostic apparatus still has certain inconvenience when in use, and when in MRI image diagnosis, some patients are weak and difficult to lie on the examination bed smoothly for examination, so that medical staff or family members need to support the examination bed to lie on the examination bed, and further the examination is very inconvenient.

Therefore, an MRI diagnostic apparatus is proposed to solve the above problems.

Disclosure of Invention

The present invention is directed to an MRI diagnostic apparatus for solving the disadvantages of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: an MRI image diagnosis device comprises a detector body, wherein one side of the detector body is connected with an examination bed, the examination bed comprises a base, the top of the base is provided with a rectangular groove, the inner wall of the periphery of the base is provided with the same rectangular frame in a sliding way, the top of the rectangular frame is fixedly provided with a transverse plate, the top of the transverse plate is provided with two sliding grooves, a first sliding plate and a second sliding plate are respectively arranged in the two sliding grooves in a sliding way, the tops of the first sliding plate and the second sliding plate respectively extend out of the corresponding sliding grooves and are provided with the same bed plate in a swinging way, the top of the transverse plate is fixedly provided with a first motor, an output shaft of the first motor is fixedly provided with a ball screw, a screw sleeve is fixedly arranged on the second sliding plate, the ball screw penetrates through the screw sleeve and is in threaded connection with the screw sleeve, and the bottom of the transverse plate, four first rotating holes which are arranged in a rectangular shape are formed in the inner wall of the bottom of the base, screw rods are installed in the four first rotating holes in a rotating mode, and the four screw rods are respectively in threaded connection with the corresponding connecting frames.

Preferably, the bottom of the base is provided with a linkage mechanism, the linkage mechanism comprises four square boxes, two rectangular boxes and a second motor, the bottoms of the four square boxes are fixedly connected with the inner wall of the bottom of the base, round holes are formed in the inner walls of the top and the bottom of each square box, the four square boxes are fixedly sleeved on corresponding screw rods respectively, the four screw rods respectively penetrate through the corresponding two round holes and are rotatably connected with the corresponding two round holes, worm wheels are arranged in the square boxes, the worm wheel is fixedly sleeved on the screw rods, second rotating holes are formed in the inner walls of the two sides of each square box, the two second rotating holes are rotatably provided with the same worm, the worm is meshed with the worm wheels, the bottoms of the two rectangular boxes are fixedly connected with the inner wall of the bottom of the base, and the two rectangular boxes are respectively positioned between the corresponding two square boxes, third rotating holes are formed in the inner walls of two sides of the rectangular box, rotating shafts are rotatably mounted in the two third rotating holes and respectively penetrate through the corresponding third rotating holes, one ends, close to each other, of the two worms on the same side extend out of the corresponding second rotating holes respectively, one ends, far away from each other, of the two rotating shafts are fixedly connected with one ends, close to each other, of the two corresponding worms respectively, first conical gears are fixedly mounted at one ends, close to each other, of the two rotating shafts, fourth rotating holes are formed in the inner walls, close to each other, of the two rectangular boxes, connecting rods are rotatably mounted in the two fourth rotating holes and respectively penetrate through the corresponding fourth rotating holes, second conical gears are fixedly mounted at one ends, far away from each other, of the two first conical gears on the same side and the corresponding second conical gears are meshed, the bottom of the second motor is fixedly connected with the inner wall of the bottom of the base, and one ends, close to each other, of the two connecting rods are fixedly connected with two output shafts of the second motor respectively.

Preferably, be close to fixed mounting on the bottom inner wall of the spout of detector body and have the riser, seted up on the riser and revolve the hole, ball screw runs through revolve the hole and rotate with the inner wall of revolving the hole and be connected, the bottom of first slide and second slide all nestedly has the ball, two balls respectively with the bottom inner wall roll connection of the spout that corresponds.

Preferably, the top of the base is fixedly provided with a corrugated pipe, the top end of the corrugated pipe is fixedly connected with the bottom of the transverse plate, and the corrugated pipe is sleeved on the rectangular frame in a sliding manner.

Preferably, all be equipped with first bearing in four first rotation holes, the outer lane of four first bearings respectively with the inner wall fixed connection in the first rotation hole that corresponds, the inner circle of four first bearings is fixed the cover respectively and is established on the screw rod that corresponds, all set up threaded hole on four links, four screws run through corresponding screw hole respectively and with the screw hole threaded connection that corresponds, and the equal fixed mounting in top of four screws has the limiting plate.

Preferably, the top of bed board has pasted the cotton bed course through magic subsides, the top of cotton bed course is equipped with the leather layer, the top fixed mounting of bed board has two rail guards.

Preferably, the second sliding plate is provided with a fixing hole, and the screw rod sleeve penetrates through the fixing hole and is fixedly connected with the inner wall of the fixing hole.

Preferably, the rotating shaft is provided with a second bearing, an inner ring of the second bearing is fixedly sleeved on the rotating shaft, and an outer ring of the second bearing is fixedly connected with the inner wall of the third rotating hole.

Compared with the prior art, the invention has the beneficial effects that: when the patient is detected by using the detector body, the second motor is controlled to rotate reversely, two output shafts of the second motor respectively drive corresponding connecting rods to rotate, the two connecting rods further drive corresponding second bevel gears to rotate, the two second bevel gears further drive two meshed first bevel gears to rotate, the four first bevel gears further drive corresponding rotating shafts to rotate, the four rotating shafts further drive corresponding worms to rotate, the four worms further drive corresponding worm gears to rotate, the four worm gears further respectively drive corresponding screw rods to rotate, the four screw rods rotate and simultaneously drive the transverse plate to be close to the base through corresponding connecting frames, the transverse plate further drives the bed plate to move downwards, so that the height of the bed plate from the ground is reduced, a patient family member can conveniently lift a patient with inconvenient action on the bed plate, then the second motor is controlled to rotate forwardly, and the two output shafts of the second motor respectively drive corresponding connecting rods to rotate, the two connecting rods drive the corresponding second bevel gears to rotate, the two second bevel gears drive the two meshed first bevel gears to rotate, the four first bevel gears drive the corresponding rotating shafts to rotate, the four rotating shafts drive the corresponding worms to rotate, the four worms drive the corresponding worm gears to rotate, the four worm gears respectively drive the corresponding screw rods to rotate, the four screw rods rotate and simultaneously drive the transverse plate to be away from the base through the corresponding connecting frames, the transverse plate drives the bed plate to move upwards, so that the bed plate can slowly ascend, when the height of the bed plate is equal to the height of a detection port of the detector body, the first motor is controlled to reversely rotate, the first motor rotates and drives the ball screw rod to rotate, under the rotation of the ball screw rod, the screw rod sleeve drives the second sliding plate to move, the second sliding plate drives the bed plate to enter the detector body, when the bed board moves, the limiting plate and the first sliding plate play a limiting role when the bed board moves, so that the bed board can drive a patient to enter the detector body and detect the patient.

The medical examination table is high in practicability, and can be used for enabling a patient with inconvenience in action to climb the examination table for examination, so that convenience is brought to the patient and medical personnel, and the examination process is more humanized.

Drawings

Fig. 1 is a schematic perspective view of an MRI diagnostic apparatus according to the present invention;

FIG. 2 is a schematic front sectional view of an MRI diagnostic apparatus according to the present invention;

FIG. 3 is a schematic view of the release mechanism of portion A of FIG. 2;

FIG. 4 is a schematic view of a release mechanism of portion B of FIG. 2;

FIG. 5 is a schematic top sectional view of a linkage mechanism of an MRI diagnostic apparatus according to the present invention;

fig. 6 is an enlarged schematic view of a portion C in fig. 5.

In the figure: 1. a detector body; 2. an examination bed; 201. a base; 202. a rectangular frame; 203. A transverse plate; 204. a chute; 205. a first slide plate; 206. a bed board; 207. a second slide plate; 208. a screw rod sleeve; 209. a ball screw; 210. a first motor; 211. a connecting frame; 212. A first rotation hole; 213. a screw; 3. a linkage mechanism; 301. a square box; 302. a circular hole; 303. a worm gear; 304. a second rotation hole; 305. a worm; 306. a rectangular box; 307. a third rotation hole; 308. a rotating shaft; 309. a first bevel gear; 310. a fourth rotation hole; 311. A connecting rod; 312. a second bevel gear; 313. a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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.

Examples

Referring to fig. 1-6, the present embodiment provides an MRI image diagnostic apparatus, which includes a detector body 1, an examination couch 2 is connected to one side of the detector body 1, the examination couch 2 includes a base 201 having a rectangular slot at a top portion thereof, a same rectangular frame 202 is slidably mounted on peripheral inner walls of the base 201, a horizontal plate 203 is fixedly mounted on the top portion of the rectangular frame 202, two sliding slots 204 are formed on the top portion of the horizontal plate 203, a first sliding plate 205 and a second sliding plate 207 are slidably mounted in the two sliding slots 204, top portions of the first sliding plate 205 and the second sliding plate 207 respectively extend out of the corresponding sliding slots 204 and are movably mounted with a same bed plate 206, a first motor 210 is fixedly mounted on the top portion of the horizontal plate 203, a ball screw 209 is fixedly mounted on an output shaft of the first motor 210, a screw sleeve 208 is fixedly mounted on the second sliding plate 207, the ball screw 209 penetrates through the screw sleeve 208 and is in threaded connection with the, four connecting frames 211 which are arranged in a rectangular shape are fixedly arranged at the bottom of the transverse plate 203, four first rotating holes 212 which are arranged in a rectangular shape are formed in the inner wall of the bottom of the base 201, screws 213 are rotatably arranged in the four first rotating holes 212, and the four screws 213 are respectively in threaded connection with the corresponding connecting frames 211;

in this embodiment, as shown in fig. 1 to 6, a linkage mechanism 3 is disposed at the bottom of a base 201, the linkage mechanism 3 includes four square boxes 301, two rectangular boxes 306 and a second motor 313, the bottoms of the four square boxes 301 are all fixedly connected with the bottom inner wall of the base 201, circular holes 302 are disposed on the top and bottom inner walls of the square boxes 301, the four square boxes 301 are respectively fixedly sleeved on corresponding screws 213, the four screws 213 respectively penetrate through the corresponding two circular holes 302 and are rotatably connected with the corresponding two circular holes 302, a worm wheel 303 is disposed in the square box 301, the worm wheel 303 is fixedly sleeved on the screw 213, second rotating holes 304 are disposed on the inner walls of both sides of the square box 301, the same worm 305 is rotatably mounted in the two second rotating holes 304, the worm 305 is engaged with the worm wheel 303, the bottoms of the two rectangular boxes 306 are both fixedly connected with the bottom inner wall of the base 201, two rectangular boxes 306 are respectively positioned between two corresponding square boxes 301, the inner walls of two sides of the rectangular boxes 306 are respectively provided with a third rotating hole 307, rotating shafts 308 are respectively rotatably arranged in the two third rotating holes 307, the two rotating shafts 308 respectively penetrate through the corresponding third rotating holes 307, the ends, close to each other, of the two worms 305 positioned on the same side respectively extend out of the corresponding second rotating holes 304, the ends, far away from each other, of the two rotating shafts 308 are respectively and fixedly connected with the ends, close to each other, of the two corresponding worms 305, the ends, close to each other, of the two rotating shafts 308 are respectively and fixedly provided with a first bevel gear 309, the inner walls, close to each other, of the two rectangular boxes 306 are respectively provided with a fourth rotating hole 310, connecting rods 311 are respectively and rotatably arranged in the two fourth rotating holes 310, the two connecting rods 311 respectively penetrate through the corresponding fourth rotating holes 310, and the ends, far away from each other, of the two connecting rods, the two first bevel gears 309 located on the same side are engaged with the corresponding second bevel gears 312, the bottom of the second motor 313 is fixedly connected with the inner wall of the bottom of the base 201, and the ends of the two connecting rods 311 close to each other are fixedly connected with two output shafts of the second motor 313 respectively.

Be close to fixed mounting on the bottom inner wall of the spout 204 of detector body 1 has a riser, has seted up on the riser and has revolved the hole, and ball screw 209 runs through revolve the hole and rotate with the inner wall of revolving the hole and be connected, and first slide 205 and second slide 207's bottom all nestedly has the ball, two balls respectively with the bottom inner wall roll connection of the spout 204 that corresponds.

The top of the base 201 is fixedly provided with a corrugated pipe, the top end of the corrugated pipe is fixedly connected with the bottom of the transverse plate 203, and the corrugated pipe is sleeved on the rectangular frame 202 in a sliding manner.

All be equipped with first bearing in four first rotation holes 212, the outer lane of four first bearings respectively with the inner wall fixed connection of the first rotation hole 212 that corresponds, the inner circle of four first bearings is fixed the cover respectively and is established on corresponding screw rod 213, all set up threaded hole on four link 211, four screw rod 213 run through corresponding screw hole respectively and with corresponding screw hole threaded connection, and the equal fixed mounting in top of four screw rod 213 has the limiting plate.

The top of bed board 206 is pasted through magic subsides and is had the cotton bed course, and the top of cotton bed course is equipped with the leather layer, and two rail guards are fixed to the top of bed board 206.

The second sliding plate 207 is provided with a fixing hole, and the screw rod sleeve 208 penetrates through the fixing hole and is fixedly connected with the inner wall of the fixing hole.

The rotating shaft 308 is provided with a second bearing, an inner ring of the second bearing is fixedly sleeved on the rotating shaft 308, and an outer ring of the second bearing is fixedly connected with the inner wall of the third rotating hole 307.

Particularly, the medical examination bed has high practicability, and patients with inconvenient actions can conveniently climb the examination bed for examination, so that convenience is brought to the patients and medical care personnel, and the examination process is more humanized.

In this embodiment, when the patient is detected by using the detecting apparatus body 1, the second motor 313 is controlled to rotate reversely, the two output shafts of the second motor 313 drive the corresponding connecting rods 311 to rotate, the two connecting rods 311 drive the corresponding second bevel gears 312 to rotate, the two second bevel gears 312 drive the two meshed first bevel gears 309 to rotate, the four first bevel gears 309 drive the corresponding rotating shafts 308 to rotate, the four rotating shafts 308 drive the corresponding worms 305 to rotate, the four worms 305 drive the corresponding worm gears 303 to rotate, the four worm gears 303 drive the corresponding screw rods 213 to rotate, the four screw rods 213 rotate and drive the horizontal plate 203 to approach the base 201 through the corresponding connecting frames 211, the horizontal plate 203 drives the bed plate 206 to move downwards, so that the height of the bed plate 206 from the ground will be smaller, thereby facilitating the patient family members to lift the patient with inconvenient actions to the bed plate 206, then the second motor 313 is controlled to rotate positively, two output shafts of the second motor 313 drive the corresponding connecting rods 311 to rotate respectively, the two connecting rods 311 drive the corresponding second bevel gears 312 to rotate, the two second bevel gears 312 drive the two meshed first bevel gears 309 to rotate, the four first bevel gears 309 drive the corresponding rotating shafts 308 to rotate, the four rotating shafts 308 drive the corresponding worms 305 to rotate, the four worms 305 drive the corresponding worm wheels 303 to rotate, the four worm wheels 303 drive the corresponding screw rods 213 to rotate respectively, the four screw rods 213 rotate and drive the transverse plate 203 to be away from the base 201 through the corresponding connecting frames 211, the transverse plate 203 drives the bed plate 206 to move upwards, and the bed plate 206 can ascend slowly.

In this embodiment, treat when the height of bed board 206 and the detection mouth height of detector body 1 equal, control first motor 210 reversal, first motor 210 rotates and drives ball screw 209 and rotates, under ball screw 209's rotation, lead screw cover 208 drives second slide 207 and removes, second slide 207 drives bed board 206 again and enters into detector body 1 in, limiting plate and first slide 205 will play a spacing effect when removing bed board 206 when bed board 206 removes, thereby bed board 206 alright with drive the disease and enter into detector body 1 and detect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.

Claims (8)

1. The utility model provides a MRI image diagnostic device, includes detector body (1), its characterized in that, one side of detector body (1) is connected with inspection bed (2), base (201) of rectangular channel is seted up including the top to inspection bed (2), slidable mounting has same rectangle frame (202) on the inner wall all around of base (201), the top fixed mounting of rectangle frame (202) has diaphragm (203), two spouts (204) have been seted up at the top of diaphragm (203), and slidable mounting has first slide (205) and second slide (207) respectively in two spouts (204), the top of first slide (205) and second slide (207) extends to respectively outside corresponding spout (204) and drummed and installs same bed board (206), the top fixed mounting of diaphragm (203) has first motor (210), fixed mounting has ball screw (209) on the output shaft of first motor (210), fixed mounting has screw cover (208) on second slide (207), ball screw (209) run through screw cover (208) and with screw cover (208) threaded connection, the bottom fixed mounting of diaphragm (203) has four link (211) that are the rectangle and arrange, set up four first rotation hole (212) that are the rectangle and arrange on the bottom inner wall of base (201), all rotate in four first rotation hole (212) and install screw rod (213), four screw rod (213) respectively with link (211) threaded connection that corresponds.

2. The MRI image diagnostic apparatus according to claim 1, wherein the bottom of the base (201) is provided with a linkage mechanism (3), the linkage mechanism (3) comprises four square boxes (301), two rectangular boxes (306) and a second motor (313), the bottoms of the four square boxes (301) are fixedly connected with the inner wall of the bottom of the base (201), the inner walls of the top and the bottom of each square box (301) are respectively provided with a circular hole (302), the four square boxes (301) are respectively fixedly sleeved on the corresponding screw rods (213), the four screw rods (213) respectively penetrate through the corresponding two circular holes (302) and are rotatably connected with the corresponding two circular holes (302), a worm wheel (303) is arranged in each square box (301), the worm wheel (303) is fixedly sleeved on the corresponding screw rod (213), the inner walls of the two sides of each square box (301) are respectively provided with a second rotating hole (304), the same worm (305) is rotatably installed in the two second rotating holes (304), the worm (305) is meshed with the worm wheel (303), the bottoms of the two rectangular boxes (306) are fixedly connected with the inner wall of the bottom of the base (201), the two rectangular boxes (306) are respectively positioned between the two corresponding square boxes (301), the inner walls of the two sides of each rectangular box (306) are respectively provided with a third rotating hole (307), rotating shafts (308) are rotatably installed in the two third rotating holes (307), the two rotating shafts (308) respectively penetrate through the corresponding third rotating holes (307), the ends, close to each other, of the two worms (305) positioned on the same side respectively extend out of the corresponding second rotating holes (304), the ends, far away from each other, of the two rotating shafts (308) are respectively fixedly connected with the ends, close to each other, of the two rotating shafts (308) are respectively fixedly installed with a first bevel gear (309), all seted up fourth rotation hole (310) on the one side inner wall that two rectangle casees (306) are close to each other, all rotate in two fourth rotation holes (310) and install connecting rod (311), corresponding fourth rotation hole (310) is run through respectively in two connecting rods (311), the equal fixed mounting of one end that two connecting rods (311) kept away from each other has second conical gear (312), lie in two first conical gear (309) with one side and the meshing of corresponding second conical gear (312) mutually, the bottom of second motor (313) and the bottom inner wall fixed connection of base (201), the one end that two connecting rods (311) are close to each other respectively with two output shaft fixed connection of second motor (313).

3. The MRI image diagnostic apparatus according to claim 1, wherein a vertical plate is fixedly mounted on the bottom inner wall of the sliding chute (204) adjacent to the detector body (1), a screw hole is formed in the vertical plate, the ball screw (209) penetrates through the screw hole and is rotatably connected with the inner wall of the screw hole, balls are nested at the bottoms of the first sliding plate (205) and the second sliding plate (207), and the two balls are respectively and rotatably connected with the bottom inner wall of the corresponding sliding chute (204).

4. An MRI image diagnostic device as claimed in claim 1, characterized in that a bellows is fixedly mounted on the top of the base (201), the top end of the bellows is fixedly connected with the bottom of the transverse plate (203), and the bellows is slidably sleeved on the rectangular frame (202).

5. The MRI image diagnostic apparatus according to claim 1, wherein the four first rotating holes (212) are provided therein with first bearings, outer rings of the four first bearings are fixedly connected to inner walls of the corresponding first rotating holes (212), inner rings of the four first bearings are fixedly sleeved on the corresponding screws (213), the four connecting frames (211) are provided with threaded holes, the four screws (213) respectively penetrate through the corresponding threaded holes and are in threaded connection with the corresponding threaded holes, and the top ends of the four screws (213) are fixedly provided with limiting plates.

6. The MRI image diagnostic apparatus as claimed in claim 1, wherein a cotton cushion is adhered to the top of the top plate (206) by velcro, a leather layer is disposed on the top of the cotton cushion, and two guard rails are fixedly mounted on the top of the top plate (206).

7. An MRI image diagnostic apparatus as claimed in claim 1, characterized in that the second slide plate (207) is provided with a fixing hole, and the screw rod sleeve (208) penetrates through the fixing hole and is fixedly connected with the inner wall of the fixing hole.

8. An MRI image diagnostic apparatus as claimed in claim 2, wherein the rotating shaft (308) is provided with a second bearing, an inner ring of the second bearing is fixedly sleeved on the rotating shaft (308), and an outer ring of the second bearing is fixedly connected with an inner wall of the third rotating hole (307).

Images