CN218738933U

CN218738933U - MRI image diagnostic device

Info

Publication number: CN218738933U
Application number: CN202222142375.4U
Authority: CN
Inventors: 刘爱华; 张旭; 牛昊; 屈俊达; 佟鑫; 李春林; 何晓欣; 陈谞戈
Original assignee: Capital Medical University; Beijing Neurosurgical Institute
Current assignee: Capital Medical University; Beijing Neurosurgical Institute
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-03-28
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to the technical field of diagnosis and treatment instruments, in particular to an MRI image diagnosis device, which comprises a base, wherein the base is provided with a detector body, an examination bed, an auxiliary bed, a protective baffle and a metal detection assembly, and the detector body is provided with a detection channel; the examination bed is arranged at one end of the detection channel and slides back and forth relative to the detection channel; the auxiliary bed is arranged on one side of the examination bed; the protective baffle is arranged between the auxiliary bed and the examination bed, and the base is provided with a first lifting driving piece for driving the protective baffle to lift; the metal detection assembly is rotatably installed on the protective baffle, and a second horizontal driving piece used for driving the metal detection assembly to move horizontally along the protective baffle is further arranged on the protective baffle. The MRI image diagnosis device can automatically detect and search metal objects carried by a patient so as to reduce the labor intensity of workers, protect instruments and improve the inspection efficiency.

Description

MRI image diagnostic device

Technical Field

The utility model relates to a medical instrument technical field especially relates to a MRI image diagnostic device.

Background

MRI (magnetic resonance imaging) is an imaging technique that reconstructs an image using signals generated by a magnetic resonance phenomenon. Compared with CT, ultrasound and X-ray, MRI (magnetic resonance imaging) is more sensitive and has no radiation damage and the like. During the examination, more details are presented to allow a clear view of the anatomy of the body, and thus, significant medical conditions need to be completed by MRI. The main examination contents of MRI are pathological changes of the cranial nerve system, visceral organs of organisms, joint soft tissues, tumor space occupation and the like, for the cranial nerve system, cerebral infarction with too short time cannot be displayed on a CT image, and nuclear magnetic examination can find the focus of cerebral infarction in about 2 hours, so that the success rate of diagnosis is greatly improved. In addition, spinal nerves of the spine, menisci of the skeletal system, ligament injuries, and the like require magnetic resonance for accurate diagnosis.

When the MRI examination is performed, all metal items such as metal buttons, zippers, necklaces and the like need to be removed, so as to avoid damaging the instrument and interfering with the examination result. At present, since some patients often carry metal articles into the MRI diagnostic room, when the medical staff is not aware of the metal articles and does not perform careful examination, the MRI examination apparatus may be damaged, and once the situation occurs, the medical staff needs to repeatedly search for the foreign objects and remove the foreign objects to continue the examination, which also reduces the examination efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide an MRI image diagnosis device, which can automatically detect and search the metal articles carried by the patient, so as to reduce the labor intensity and protect the apparatus, and improve the inspection efficiency.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

an MRI image diagnostic device comprises a base, wherein the base is provided with:

the detector comprises a detector body, wherein a detection channel is arranged on the detector body;

the inspection bed is arranged at one end of the detection channel and can slide back and forth along the detection channel under the driving of the first horizontal driving piece;

the auxiliary bed is arranged on one side of the examination bed and can be lifted;

the protective baffle is arranged between the auxiliary bed and the examination bed, and a first lifting driving piece for driving the protective baffle to lift is arranged on the base;

the metal detection assembly is rotatably installed on the protective baffle, and a second horizontal driving piece used for driving the metal detection assembly to move horizontally along the protective baffle is further arranged on the protective baffle.

Further, a mounting groove is formed in the top end of the protective baffle, the second horizontal driving piece comprises a ball screw shaft horizontally arranged in the mounting groove, and a screw nut is arranged on the ball screw shaft; the protective baffle is further provided with a sliding seat at the top end of the mounting groove in a sliding mode, the sliding seat is fixedly connected to the screw nut, a first motor used for driving the ball screw shaft to rotate is further arranged on the protective baffle, and the metal detection assembly is rotatably mounted on the sliding seat.

Furthermore, the metal detection assembly comprises a rotating shaft and a metal detection rod arranged at the top end of the rotating shaft, and the metal detection rod is rotatably arranged on the sliding seat through the rotating shaft; the inside of sliding seat is equipped with the rotation driving piece, the rotation driving piece is used for the drive the pivot rotates.

Furthermore, the rotary driving part comprises a second motor fixedly connected with the sliding seat, a first bevel gear is arranged at the output end of the second motor, a second bevel gear is arranged on the rotating shaft, and the second bevel gear is meshed with the first bevel gear.

Further, protective baffle's both ends all are equipped with the mount pad, the top fixed mounting of mount pad has the fixing base, the spout has been seted up to the inboard of fixing base, the inside slidable mounting of fixing base has the seat of going up and down, first lift driving piece is including locating the inside electric putter of fixing base, electric putter's stiff end with fixing base fixed connection, electric putter's flexible end fixed connection to go up and down the seat, protective baffle's one end extend to the inboard of spout and with go up and down seat fixed connection.

Furthermore, the bottom of the auxiliary bed is provided with a second lifting driving piece, and the auxiliary bed can move up and down relative to the base under the driving of the second lifting driving piece.

Further, the top of auxiliary bed is equipped with the fly leaf, the bottom of fly leaf is equipped with the slide rail, the top of auxiliary bed and inspection bed is equipped with first sliding tray and second sliding tray respectively, just first sliding tray is just right with the second sliding tray, the slide rail can slide between first sliding tray and the second sliding tray.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of MRI image diagnostic device has the detector body of test passage through setting up on the base to the supplementary bed of liftable is parallelly set up in one side of inspection bed, makes the patient be convenient for step on the inspection bed detects, especially to the inconvenient patient of action. Simultaneously, through setting up guard flap between this auxiliary bed and inspection bed to this guard flap of drive goes up and down through first lift driving piece, simultaneously, sets up on this guard flap and to follow the metal detection subassembly of guard flap motion, through the motion of this metal detection subassembly edge guard flap of second horizontal driving piece drive, can further detect whether the patient of lying on the back on this auxiliary bed carries metal object, can greatly improve detection efficiency, and guarantee the safety of detector main part.

Drawings

Fig. 1 is a schematic overall structure diagram of an MRI image diagnostic apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial enlarged structure at a position a of an MRI image diagnostic apparatus according to an embodiment of the present invention;

fig. 3 is a top view of an MRI image diagnostic apparatus according to an embodiment of the present invention;

fig. 4 isbase:Sub>A schematic cross-sectional view taken alongbase:Sub>A-base:Sub>A of an MRI image diagnostic apparatus according to an embodiment of the present invention;

fig. 5 is a schematic view of a partial enlarged structure at a position B of an MRI image diagnostic apparatus according to an embodiment of the present invention;

fig. 6 is a schematic view of a partial enlarged structure at a position C of an MRI image diagnostic apparatus according to an embodiment of the present invention;

the reference signs are: 10, a base, 11, a detector body, 12, a detection channel, 20, an examination bed, 21, a first sliding groove, 30, an auxiliary bed, 31, a second sliding groove, 32, a movable plate, 321, a guide rail, 33, a scissor-type lifting frame, 331, a hydraulic driving cylinder, 40, a sliding seat, 41, a rotating shaft, 42, a metal detection rod, 43, a second motor, 431, a first bevel gear, 44, a second bevel gear, 50, a protective baffle, 51, a mounting groove, 52, a ball screw shaft, 521, a screw nut, 53, a first motor, 61, a mounting seat, 62, a fixed seat, 621, a sliding groove, 63, a lifting seat, 64 and an electric push rod.

Detailed Description

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 6, the MRI image diagnostic apparatus provided in this embodiment includes a base 10, a detector body 11 is disposed on the base 10, a detection channel 12 is disposed on the detector body 11, an examination couch 20 is further disposed outside the detector, and the examination couch 20 is disposed at one end of the detection channel 12 and can slide back and forth along the detection channel 12 under the driving of a first horizontal driving member. When performing an examination diagnosis, a patient lies on the examination table 20, and then the first horizontal driving member drives the examination table 20 to move into the detection passage 12, so that the MRI image diagnosis can be performed on the patient by the apparatus body 11. Specifically, the first horizontal driving component is an electric push rod 64 or a ball screw assembly (not shown in the figure), and the installation and driving principles of the first horizontal driving component are the prior art, and therefore, the description is omitted.

In this embodiment, an auxiliary bed 30 is further disposed on one side of the examination bed 20, a protective baffle 50 is disposed between the auxiliary bed 30 and the examination bed 20, the protective baffle 50 is disposed between the auxiliary bed 30 and the examination bed 20, a first lifting driving member for driving the protective baffle 50 to lift is disposed on the base 10, a second lifting driving member is disposed at the bottom of the auxiliary bed 30, the auxiliary bed 30 can move up and down relative to the base 10 under the driving of the second lifting driving member, and specifically, the second lifting driving member includes a scissor-type lifting frame 33 disposed between the auxiliary bed 30 and the base 10 and a hydraulic driving cylinder 331 for driving the scissor-type lifting frame 33 to lift. In practical application, the first lifting driving member can drive the protective barrier 50 to lift, when the protective barrier 50 lifts, the examining table 20 and the detecting instrument body 11 can be protected, and when the height of the protective barrier 50 falls, the auxiliary table 30 and the examining table 20 can be communicated, so that a patient can be conveniently transferred from the auxiliary table 30 to the examining table 20. In particular, when the auxiliary couch 30 is lowered, the patient can get on or off the couch conveniently. Further, in order to facilitate the transfer of the patient with mobility impairment to the examining table 20, the top end of the auxiliary bed 30 is provided with a movable plate 32, the bottom end of the movable plate 32 is provided with a slide rail, the top ends of the auxiliary bed 30 and the examining table 20 are respectively provided with a first slide groove 21 and a second slide groove 31, and the first slide groove 21 is opposite to the second slide groove 31, and the slide rail can slide between the first slide groove 21 and the second slide groove 31. In practical applications, the auxiliary bed 30 can be driven by the second lifting driving member to move to a height corresponding to the height of the examination bed 20, and then the auxiliary person directly pushes the movable plate 32 to move from the first chute 621 to the second chute 621, so as to complete the transfer of the patient.

In this embodiment, in order to facilitate the detection of the metal object carried by the patient, the protective barrier 50 is further provided with a metal detection assembly, the metal detection assembly is rotatably installed on the protective barrier 50, and the metal detection assembly is in the prior art. And a second horizontal driving piece for driving the metal detection assembly to horizontally move along the protective baffle 50 is further arranged on the protective baffle 50. Specifically, the top end of the guard 50 is provided with a mounting groove 51, the second horizontal driving member includes a ball screw shaft 52 horizontally disposed in the mounting groove 51, a screw nut 521 is disposed on the ball screw shaft 52, and the screw nut 521 can move linearly along the ball screw shaft 52. The protective baffle 50 is further provided with a sliding seat 40 at the top end of the mounting groove 51 in a sliding manner, the sliding seat 40 is fixedly connected to the lead screw nut 521, the protective baffle 50 is further provided with a first motor 53 for driving the ball screw shaft 52 to rotate, the first motor 53 is fixedly connected with the protective baffle 50, the output end of the first motor 53 is fixedly connected with the ball screw shaft 52, and the metal detection assembly is rotatably mounted on the sliding seat 40. In a specific implementation, the first motor 53 is activated to drive the ball screw shaft 52 to rotate, so as to drive the screw nut 521 to drive the sliding seat 40 to slide along the mounting groove 51, so as to drive the metal detection assembly to horizontally move along the protective baffle 50. Specifically, the metal detection assembly includes a rotating shaft 41 and a metal detection rod 42 arranged at the top end of the rotating shaft 41, the metal detection rod 42 is rotatably installed on the sliding seat 40 through the rotating shaft 41, a rotary driving member is arranged inside the sliding seat 40, and the rotary driving member is used for driving the rotating shaft 41 to rotate, so as to unfold or store the metal detection rod 42. Specifically, the rotary driving member includes a second motor 43, the second motor 43 is fixedly installed inside the sliding seat 40, an output end of the second motor 43 is provided with a first bevel gear 431, the rotating shaft 41 is provided with a second bevel gear 44, the second bevel gear 44 is meshed with the first bevel gear 431, and in specific implementation, the second motor 43 is controlled to rotate to drive the first bevel gear 431 to rotate, and the first bevel gear 431 rotates to drive the second bevel gear 44 to rotate, so that the rotating shaft 41 and the second bevel gear 44 rotate synchronously. When this metal gauge stick 42 rotates extremely guard flap 50 directly over and with when guard flap 50 is parallel, this guard flap 50 liftable and can accomodate this metal gauge stick 42, and rotate extremely as metal gauge stick 42 when guard flap 50 is 90 angles, can make this metal gauge stick 42 outwards expand, the cooperation this metal gauge stick 42 of second horizontal driving piece drive is followed guard flap 50 removes, can carry out horizontal scanning to the patient when the patient crouches on this auxiliary bed 30 to detect whether the patient carries metal object, this kind of automatic detection mode can greatly improve efficiency of software inspection.

In this embodiment, for the drive guard plate 50 goes up and down, guard plate 50's both ends all are equipped with mount pad 61, mount pad 61 is located vertically on the base 10, just the top fixed mounting of mount pad 61 has fixing base 62, spout 621 has been seted up to fixing base 62's inboard, fixing base 62's inside slidable mounting has lift seat 63, first lift driving piece is including locating the inside electric putter 64 of fixing base 62, electric putter 64's stiff end with fixing base 62 fixed connection, electric putter 64's flexible end fixed connection to lift seat 63's bottom, guard plate 50's one end extend to spout 621 the inboard and with lift seat 63 fixed connection. In specific implementation, the height of the lifting seat 63 can be controlled by controlling the extension and retraction of the electric push rod 64, so that the height of the protective baffle 50 can be adjusted and controlled.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are known technology.

Claims

1. An MRI image diagnostic apparatus, characterized in that, including the base (10), be equipped with on base (10):

the detector comprises a detector body (11), wherein a detection channel (12) is arranged on the detector body (11);

the examination bed (20), the examination bed (20) is arranged at one end of the detection channel (12), and can slide back and forth relative to the detection channel (12);

the auxiliary bed (30), the said auxiliary bed (30) is set up in one side of the said examining bed (20) and can be hoisted or lowered;

the protective baffle (50) is arranged between the auxiliary bed (30) and the examination bed (20), and a first lifting driving piece for driving the protective baffle (50) to lift is arranged on the base (10);

the metal detection assembly is rotatably installed on the protective baffle (50), and a second horizontal driving piece used for driving the metal detection assembly to horizontally move along the protective baffle (50) is further arranged on the protective baffle (50).

2. An MRI image diagnostic apparatus as set forth in claim 1, wherein: the top end of the protective baffle (50) is provided with a mounting groove (51), the second horizontal driving piece comprises a ball screw shaft (52) horizontally arranged in the mounting groove (51), and a screw nut (521) is arranged on the ball screw shaft (52); the top end of the mounting groove (51) of the protective baffle (50) is also provided with a sliding seat (40) in a sliding manner, the sliding seat (40) is fixedly connected to the screw rod nut (521), the protective baffle (50) is also provided with a first motor (53) for driving the ball screw rod shaft (52) to rotate, and the metal detection assembly is rotatably mounted on the sliding seat (40).

3. An MRI image diagnostic apparatus as set forth in claim 2, wherein: the metal detection assembly comprises a rotating shaft (41) and a metal detection rod (42) arranged at the top end of the rotating shaft (41), and the metal detection rod (42) is rotatably arranged on the sliding seat (40) through the rotating shaft (41); and a rotary driving part is arranged in the sliding seat (40) and is used for driving the rotating shaft (41) to rotate.

4. An MRI image diagnostic apparatus as set forth in claim 3, wherein: the rotary driving part comprises a second motor (43) fixedly connected with the sliding seat (40), a first bevel gear (431) is arranged at the output end of the second motor (43), a second bevel gear (44) is arranged on the rotating shaft (41), and the second bevel gear (44) is meshed with the first bevel gear (431).

5. An MRI image diagnostic apparatus as set forth in claim 1, wherein: the both ends of guard flap (50) all are equipped with mount pad (61), the top fixed mounting of mount pad (61) has fixing base (62), spout (621) have been seted up to the inboard of fixing base (62), the inside slidable mounting of fixing base (62) has lift seat (63), first lift driving piece is including locating the inside electric putter (64) of fixing base (62), the stiff end of electric putter (64) with fixing base (62) fixed connection, the flexible end fixed connection of electric putter (64) to lift seat (63), the one end of guard flap (50) extends to the inboard of spout (621) and with lift seat (63) fixed connection.