CN211299976U - A kind of nuclear magnetic resonance auxiliary fixation device - Google Patents

Abstract

A nuclear magnetic resonance auxiliary fixation device solves the problem that the current nuclear magnetic resonance examination cannot have a good fixation effect. It includes a bed frame, four bed legs are fixed at the lower end of the bed frame, a bed plate is rotatably connected to the bed frame, a fixed plate is fixed between the four bed legs, the fixed plate is provided with a sliding block that slides back and forth, and the outer end of the sliding block is provided with a sliding block. A connecting rod is hinged, and the upper end of the connecting rod is hinged and fixed with the bed board; the left end of the bed board is fixed with a head fixing device; the right end of the bed board is provided with a leg fixing device, and the leg fixing device is a structure that can slide horizontally. The utility model has the advantages of novel structure, ingenious conception, simple and convenient operation, can well fix the patient on the bed board, and can conveniently adjust the angle of the bed board, thereby facilitating inspection.

Description

A kind of nuclear magnetic resonance auxiliary fixation device

technical field

The utility model relates to the technical field of auxiliary nuclear magnetic resonance examination, in particular to a nuclear magnetic resonance auxiliary fixing device.

Background technique

Nuclear magnetic resonance imaging is to use the principle of nuclear magnetic resonance, according to the different attenuation of the released energy in different structural environments inside the material, and to detect the emitted electromagnetic waves by applying a gradient magnetic field, you can know the position and type of the nuclei that constitute the object. , according to which the structure image inside the object can be drawn.

Using this technique to image the internal structure of the human body has resulted in a revolutionary medical diagnostic tool known as MRI.

Now in the MRI examination, the patients are fixed on the examination bed with straps, but the fixation method is not firm. In addition, the patients often have body position requirements during the examination. To ensure that the patient's position does not move. with certain difficulty.

Utility model content

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a nuclear magnetic resonance auxiliary fixation device, which effectively solves the problem that the current nuclear magnetic resonance examination cannot have a good fixation effect.

In order to solve the above problems, the present invention includes a bed frame, four bed legs are fixed at the lower end of the bed frame, a bed plate is rotatably connected to the bed frame, a fixed plate is fixed between the four bed legs, and the fixed plate is provided with a front and rear sliding The slider, the outer end of the slider is hinged with a connecting rod, and the upper end of the connecting rod is hinged and fixed with the bed board;

A head fixing device is fixed at the left end of the bed board;

The right end of the bed board is provided with a leg fixing device, and the leg fixing device is a structure that can slide horizontally.

Preferably, the fixing plate is provided with a first threaded rod in the front-rear direction, the first threaded rod is rotatably arranged above the fixing plate, and the first threaded rod is threadedly connected with the slider.

Preferably, the left and right sides of the first threaded rod are provided with guide rods in the front and rear directions, the guide rods are fixedly connected with the fixing plate, and the slider slidably penetrates the guide rods.

Preferably, an operating handle is fixedly connected to the rear end of the first threaded rod.

Preferably, the head fixing device includes a headrest fixed to the bed board, the upper end of the headrest is an arc structure, the front and rear ends above the headrest are provided with arc-shaped splints that slide back and forth, and the outside of the splint is rotatably connected There is a second threaded rod, a vertical plate is fixed above the headrest, the second threaded rod is threadedly connected with the vertical plate, the outer side of the splint is fixedly connected with a guide rod, and the outer end of the guide rod can slide through the vertical plate and is placed outside the vertical plate.

The outer end of the second threaded rod penetrates the vertical plate and is placed outside the vertical plate and is fixedly connected with an operation panel.

Preferably, the leg fixing device includes a leg support plate, the upper end of the leg support plate is an arc structure, the right end of the leg support plate is fixed with a sole support plate, and the front and rear ends of the leg support plate are respectively fixed with Velcro .

Preferably, a horizontally sliding rectangular block is arranged in the bed board, and the upper end of the rectangular block is fixedly connected to the leg support board through a connecting column.

Preferably, the bed plate is provided with a third threaded rod in the front and rear directions, the third threaded rod is rotatably placed in the bed plate, the bed plate is provided with a horizontal T-shaped groove, and the T-shaped groove is provided with a horizontal sliding T-shaped The inner end of the T-shaped block is fixedly connected to the rectangular block through the T-shaped groove.

Preferably, the right end of the third threaded rod is flush with the right end of the bed board, the outer end of the third threaded rod is provided with a hexagonal groove, and a crank handle is inserted into the hexagonal groove.

The utility model has the advantages of novel structure, ingenious design, simple and convenient operation, which can well fix the patient on the bed board, and can conveniently adjust the angle of the bed board, thereby facilitating inspection.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

In the attached image:

Figure 1 is a schematic diagram of the overall structure of the utility model.

FIG. 2 is a schematic diagram of the shaft side structure of the utility model.

FIG. 3 is a schematic view of the structure of the utility model after being partially cut away.

FIG. 4 is a schematic structural diagram of the leg fixing device of the present invention.

FIG. 5 is a schematic structural diagram of the head fixing device of the present invention.

Detailed ways

The specific embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings 1-5.

1-5, the present invention includes a bed frame 1, four bed legs 2 are fixed at the lower end of the bed frame 1, a bed plate 3 is rotatably connected in the bed frame 1, and a fixed plate is fixed between the four bed legs 2 4. The fixed plate 4 is provided with a sliding block 5 that slides back and forth, the outer end of the sliding block 5 is hinged with a connecting rod 6, and the upper end of the connecting rod 6 is hingedly fixed with the bed plate 3;

A head fixing device 7 is fixed on the left end of the bed board 3;

The right end of the bed board 3 is provided with a leg fixing device 8, and the leg fixing device 8 is a structure that can slide horizontally.

In the present invention, the bed frame 1 is a rectangular frame, the lower ends of the four corners of the bed frame 1 are fixedly connected with the bed legs 2, and the lower ends of the bed legs 2 can be of a tapered structure, wherein the large end face of the tapered structure is located below, so that the To increase the stability of the equipment, the fixed board 4 is located under the bed frame 1, the fixed board 4 is fixed on the four bed legs 2, the middle of the bed board 3 is rotatably connected with the bed frame 1 through the hinge shaft, the bed board 3 can be rotated in the front and rear directions, and the patient is fixed After the bed board 3 is installed, due to the needs of the inspection, when the patient needs to turn sideways, the position can be adjusted by the rotation of the bed board 3, and the back and forth sliding of the slider 5, under the action of the connecting rod 6, makes the bed board 3 move around the hinge shaft. swing;

The patient's head is fixed by the head fixing device 7 to avoid the movement of the patient's head;

Two leg fixing devices 8 are provided, and the two leg fixing devices 8 are arranged symmetrically, the position of the leg fixing device 8 is adjusted according to the length of the patient's leg, and the patient's leg is fixed by the leg fixing device 8 .

The fixing plate 4 is provided with a first threaded rod 9 in the front-rear direction, the first threaded rod 9 is rotatably arranged above the fixing plate 4 , and the first threaded rod 9 is threadedly connected with the slider 5 .

The left and right sides of the first threaded rod 9 are provided with guide rods 10 in the front and rear directions.

An operating handle 11 is fixedly connected to the rear end of the first threaded rod 9 .

According to actual needs, when the angle of the bed board 3 needs to be adjusted, the medical staff operates the operating handle 11 to rotate, thereby driving the first threaded rod 9 to rotate, and the rotation of the first threaded rod 9 will drive the slider 5 to slide back and forth, guiding the The rod 10 plays a guiding role here, ensuring that the slider 5 slides back and forth.

The head fixing device 7 includes a headrest 12 fixed with the bed board 3 , the upper end of the headrest 12 is an arc-shaped structure, and the front and rear ends above the headrest 12 are provided with arc-shaped splints 13 that slide back and forth. A second threaded rod 14 is rotatably connected, a vertical plate 15 is fixed above the headrest 12, the second threaded rod 14 is threadedly connected with the vertical plate 15, a guide rod 16 is fixedly connected to the outer side of the splint 13, and the outer end of the guide rod 16 is slidable It penetrates the vertical plate 15 and is placed outside the vertical plate 15 .

The outer end of the second threaded rod 14 penetrates through the vertical plate 15 and is placed outside the vertical plate 15 and is fixedly connected with an operating panel 17 .

A rubber layer is provided on the inner side of the splint 13, the patient's head rests on the headrest 12, and then the second threaded rod 14 is rotated by screwing the operating plate 17, the second threaded rod 14 is screwed forward, and the second threaded rod 14 is connected with The splint 13 is rotatably connected to drive the splint 13 to slide horizontally, so that the splint 13 is in contact with the patient's head and fixed.

The leg fixing device 8 includes a leg support plate 18, the upper end of the leg support plate 18 is an arc-shaped structure, the right end of the leg support plate 18 is fixed with a sole support plate 19, and the front and rear ends of the leg support plate 18 are fixedly connected respectively. Has Velcro 20.

The sole part of the patient's foot is in contact with the sole support plate 19, the leg is placed on the leg support plate 18, and the leg is fixed by the Velcro 20 to complete the fixation of the patient's leg.

The bed board 3 is provided with a horizontally sliding rectangular block 21 , and the upper end of the rectangular block 21 is fixedly connected to the leg support board 18 via a connecting column.

The bed plate 3 is provided with a third threaded rod 22 in the front and rear directions, the third threaded rod 22 is rotatably placed in the bed plate 3, the bed plate 3 is provided with a horizontal T-shaped groove, and the T-shaped groove is provided with a horizontal sliding T-shaped block, the inner end of the T-shaped block is fixedly connected to the rectangular block 21 through the T-shaped groove.

The right end of the third threaded rod 22 is flush with the right end of the bed board 3 , the outer end of the third threaded rod 22 is provided with a hexagonal groove, and a crank handle is inserted into the hexagonal groove.

By inserting the crank handle into the hexagonal groove, the third threaded rod 22 can be driven to rotate, and the rotation of the third threaded rod 22 will drive the rectangular block 21 to slide horizontally. The fixed connection enables the leg fixing device 8 to slide horizontally, so as to adjust the horizontal position of the leg fixing device 8 .

When the utility model is used, the patient is lying on the bed board 3, the head rests on the headrest 12, and the patient's head is fixed by the sliding of the splint 13. In addition, the front and rear ends of the bed board 3 are provided with straps. The length can be adjusted to fix the torso of the patient, and the leg fixing device 8 can adjust the horizontal position. After adjustment, the patient's legs can be fixed by the leg fixing device 8, and the slider 5 can be adjusted according to the actual needs. position, so that the bed board 3 can be rotated, so as to facilitate inspection.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A nuclear magnetic resonance auxiliary fixing device comprises a bed frame (1), wherein four bed legs (2) are fixed at the lower end of the bed frame (1), and is characterized in that a bed board (3) is rotatably connected in the bed frame (1), a fixing plate (4) is fixed between the four bed legs (2), a sliding block (5) which slides back and forth is arranged on the fixing plate (4), the outer end of the sliding block (5) is hinged with a connecting rod (6), and the upper end of the connecting rod (6) is hinged and fixed with the bed board (3);

a head fixing device (7) is fixed at the left end of the bed plate (3);

the right end of the bed board (3) is provided with a leg fixing device (8), and the leg fixing device (8) is of a structure capable of sliding horizontally.

2. The auxiliary fixing device for nuclear magnetic resonance according to claim 1, characterized in that the fixing plate (4) is provided with a first threaded rod (9) in the front-back direction, the first threaded rod (9) is rotatably arranged above the fixing plate (4), and the first threaded rod (9) is in threaded connection with the sliding block (5).

3. The auxiliary fixing device for nuclear magnetic resonance according to claim 2, characterized in that the left and right sides of the first threaded rod (9) are provided with front and back guide rods (10), the guide rods (10) are fixedly connected with the fixing plate (4), and the sliding block (5) can slidably penetrate through the guide rods (10).

4. A nmr auxiliary fixture according to claim 2, characterised in that the first threaded rod (9) is fixedly connected at its rear end with a lever (11).

5. The auxiliary fixing device for nuclear magnetic resonance as claimed in claim 1, wherein the head fixing device (7) comprises a headrest (12) fixed with the bed plate (3), the upper end of the headrest (12) is of an arc-shaped structure, arc-shaped clamping plates (13) capable of sliding back and forth are arranged at the front end and the rear end above the headrest (12), a second threaded rod (14) is rotatably connected to the outer side of each clamping plate (13), a vertical plate (15) is fixed above the headrest (12), the second threaded rod (14) is in threaded connection with the vertical plate (15), a guide rod (16) is fixedly connected to the outer side of each clamping plate (13), and the outer end of each guide rod (16) can slidably penetrate through the vertical plate (15) and is arranged on the outer side of the vertical plate (.

6. The auxiliary fixing device for nuclear magnetic resonance according to claim 5, characterized in that the outer end of the second threaded rod (14) penetrates through the vertical plate (15) and is arranged outside the vertical plate (15) and is fixedly connected with an operating panel (17).

7. The auxiliary fixing device for nuclear magnetic resonance as claimed in claim 1, wherein the leg fixing device (8) comprises a leg supporting plate (18), the upper end of the leg supporting plate (18) is of an arc-shaped structure, a foot supporting plate (19) is fixed at the right end of the leg supporting plate (18), and magic tapes (20) are respectively fixedly connected to the front end and the rear end of the leg supporting plate (18).

8. The auxiliary fixing device for nuclear magnetic resonance as claimed in claim 7, wherein a horizontally sliding rectangular block (21) is arranged in the bed plate (3), and the upper end of the rectangular block (21) is fixedly connected with the leg support plate (18) through a connecting column.

9. The auxiliary fixing device for nuclear magnetic resonance as claimed in claim 8, wherein a third threaded rod (22) is arranged in the bed plate (3) in the front-back direction, the third threaded rod (22) is rotatably arranged in the bed plate (3), a horizontal T-shaped groove is arranged in the bed plate (3), a T-shaped block which slides horizontally is arranged in the T-shaped groove, and the inner end of the T-shaped block penetrates through the T-shaped groove and is fixedly connected with the rectangular block (21).

10. The auxiliary fixing device for nuclear magnetic resonance as claimed in claim 9, characterized in that the right end of the third threaded rod (22) is flush with the right end of the bed plate (3), the outer end of the third threaded rod (22) is provided with a hexagonal groove, and a crank is inserted into the hexagonal groove.

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