CN209153674U - A kind of nuclear magnetic resonance head fixing device - Google Patents

Abstract

The utility model discloses a nuclear magnetic resonance head fixing device, which comprises a base and a protective baffle. Two protective baffles are fixed on both sides of the upper surface of the base through clamping grooves, and the inner side wall of the protective baffle is adhered with two protective baffles. The muffler plate is densely covered with sound filter holes, the inner lower end of the protective baffle is fixed with an adjustment guide rail, and the adjustment guide rail is slidably connected with a head fixing part, and the head fixing part is fixed with the adjustment guide rail A spring is arranged at the end, a head pad is arranged in the center of the upper surface of the base, and a head groove is formed in the head pad. It is fixed in a fixed position to prevent its movement from affecting the inspection effect, and it can isolate the surrounding noise, avoid the noise from awakening the patient, reduce the difficulty of the inspection, and ensure the quality of the photos during the inspection.

Description

A nuclear magnetic resonance head immobilization device

technical field

The application belongs to the technical field of medical aids, and in particular relates to a nuclear magnetic resonance head fixing device.

Background technique

When performing an MRI of the head, it is necessary to keep the head posture unchanged for a period of time. If there is any change, the image scanned by the MRI will have artifacts, resulting in inaccurate detection and incorrect judgment of the doctor. beneficial to the treatment of patients. When encountering uncooperative delirious, mentally ill or child patients, most of them are asked to take sleeping pills or sedatives. Taking sleeping pills or sedatives cannot solve the problem, and sometimes there will be adverse reactions due to psychological effects, and the machine will start After the sound, the patient may wake up and affect the examination.

Therefore, it is necessary to design a head fixation device for MRI examination, so that during the head MRI examination, the patient can be examined quickly and accurately, and the clearest picture that can display the patient can be presented, so as to solve the problems encountered in the current use. to the question. The present utility model thus comes.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a head fixing device which is not only simple in structure and convenient in use, but also used for fixing the patient's head and eliminating the surrounding noise during the magnetic resonance process.

The technical scheme of the utility model is as follows: a nuclear magnetic resonance head fixing device, comprising a base and a protective baffle; two protective baffles are fixed on both sides of the upper surface of the base through a clamping slot; A muffler plate is glued, the muffler plate is densely covered with sound filter holes, an adjustment guide rail is fixed at the inner lower end of the protective baffle, and a head fixing part is slidably connected to the adjustment guide rail, and the head fixing part is connected with, The fixed end of the adjustment guide rail is provided with a spring, the center of the upper surface of the base is provided with a head pad body, and a head groove is formed in the head pad body.

Preferably, an anti-skid pad is adhered on the lower surface of the base.

Preferably, the sound filter holes are filled with sound-absorbing cotton.

Preferably, a breathable cushion layer is laid on the upper surface of the base.

Preferably, a latex headgear is arranged inside the head groove.

Preferably, the head fixing part includes a sliding sleeve and an arc-shaped fixing plate, the sliding sleeve is connected with the arc-shaped fixing plate through a support rod, the arc-shaped fixing plate is an arc-shaped structure, and the arc-shaped fixing plate is A flexible cushion is bonded on the inner side of the board.

Preferably, a sweat-absorbing layer is adhered to the outside of the flexible cushion layer.

Preferably, a handle is formed on the outer wall of the arc-shaped fixing plate.

The advantages of the utility model are as follows: the utility model is not only simple in structure and convenient to use, when in use, not only can the patient's head be fixed in a fixed position to prevent its movement from affecting the inspection effect, but also the surrounding noise can be isolated to avoid noise awakening Patients, reduce the difficulty of inspection and ensure the quality of photos during inspection.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. The drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view structure schematic diagram of the utility model;

FIG. 3 is a schematic diagram of the structure of the head fixing part of the present invention.

Among them: 1. base; 2. protective baffle; 3. head fixing part; 4. support rod; 5. muffler plate; 6. sound filter hole; 7. anti-skid pad; 8. spring; 9. sliding sleeve; 10 11, head cushion body; 12, head groove; 13, breathable cushion; 14, arc fixed plate; 15, flexible cushion; 16, sweat-absorbing layer; 17, handle.

Detailed ways

The above scheme will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are intended to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions adopted in the examples can be further adjusted according to specific conditions, and the unremarked implementation conditions are usually the conditions in routine experiments.

As shown in Fig. 1, Fig. 2 and Fig. 3, an MRI head fixing device includes a base 1 and a protective baffle 2. Two protective baffles 2 are fixed on both sides of the upper surface of the base 1 through card slots. The inner side wall of the protective baffle 2 is bonded with a muffler plate 5, the muffler plate 5 is densely covered with sound filter holes 6, and the lower end of the inner side of the protective baffle 2 is fixed with an adjustment guide rail 10, and the adjustment guide rail 10 slides on it. A head fixing part 3 is connected, and the head fixing part 3 is provided with a spring 8 at the fixed end of the adjusting guide rail 10; A head groove 12 is formed.

In this embodiment, an anti-skid pad 7 is adhered to the lower surface of the base 1, which can increase the friction force with the examination bed and prevent it from moving on the examination bed.

In this embodiment, the sound filter holes 6 are filled with sound-absorbing cotton, which can reduce the surrounding noise and prevent the patient from waking up.

In this embodiment, a breathable cushion layer 13 is laid on the upper surface of the base 1 to facilitate ventilation and to prevent the patient from sweating excessively during the examination.

In this embodiment, a latex headgear is provided inside the head groove 12 to protect the head from injury to the head, and the latex headgear can be plastically deformed to facilitate the use of heads of people of different sizes.

In this embodiment, the head fixing part 3 includes a sliding sleeve 9 and an arc-shaped fixing plate 14 . The sliding sleeve 9 is connected to the arc-shaped fixing plate 14 through the support rod 4 as a whole, and the arc-shaped fixing plate 14 is Arc-shaped structure, the inner surface of the arc-shaped fixing plate 14 is bonded with a flexible cushion layer 15, and the two arc-shaped fixing plates 14 can be held tightly on the patient's head under the action of the spring 8 to prevent the patient's head from moving or rotating. .

In this embodiment, a sweat absorbing layer 16 is adhered to the outer side of the flexible cushion layer 15, which can absorb the sweat produced by the patient's head during examination.

In this embodiment, a handle 17 is formed on the outer wall of the arc-shaped fixing plate 14 to facilitate the movement of the head fixing portion 3 .

When in use, the detected patient lies on the breathable cushion 13, the patient's head is placed in the head groove 12, the medical staff pulls the handle 17 to open the two arc-shaped fixing plates 14, and then adjusts the guide rail 10. Push up and horizontally to move the head fixing part 3 to the position of the patient's head, gently loosen it so that the sweat-absorbing layer 16 is pressed against both sides of the patient's head under the action of the spring 8 to prevent it from moving or rotating, and then the patient is sent to the MRI examination For inspection in the equipment, the muffler plate 5 and the sound filter hole 6 can reduce the surrounding noise, so as to prevent the patient from waking up during the inspection and moving the head position to affect the inspection effect.

The above are only specific application examples of the present invention, and do not constitute any limitation to the protection scope of the present invention. In addition to the above-mentioned embodiments, the present invention may also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims (8)

1. An MRI head fixing device, characterized in that: it comprises a base (1) and a protective baffle (2), and two protective baffles (2) are fixed on both sides of the upper surface of the base (1) through a slot. ), the inner side wall of the protective baffle (2) is bonded with a muffler plate (5), the muffler plate (5) is densely covered with sound filter holes (6), and the lower end of the inner side of the protective baffle (2) is fixed There is an adjusting guide rail (10), the adjusting guide rail (10) is slidably connected with a head fixing part (3), and the head fixing part (3) is provided with a spring (8) at the fixed end of the adjusting guide rail (10). A head cushion body (11) is provided in the center of the upper surface of the base (1), and a head groove (12) is formed in the head cushion body (11). 2 . The MRI head fixing device according to claim 1 , wherein a non-slip pad ( 7 ) is adhered on the lower surface of the base ( 1 ). 3 . 3 . The MRI head fixing device according to claim 1 , characterized in that: the sound filter hole ( 6 ) is filled with sound-absorbing cotton. 4 . 4 . The NMR head fixing device according to claim 1 , wherein a breathable cushion layer ( 13 ) is laid on the upper surface of the base ( 1 ). 5 . 5 . The MRI head fixing device according to claim 1 , wherein a latex headgear is arranged inside the head groove ( 12 ). 6 . 6 . The MRI head fixing device according to claim 1 , wherein the head fixing part ( 3 ) comprises a sliding sleeve ( 9 ) and an arc-shaped fixing plate ( 14 ), and the sliding sleeve (9) The support rod (4) is connected with the arc-shaped fixing plate (14) as a whole, the arc-shaped fixing plate (14) is an arc-shaped structure, and the inner surface of the arc-shaped fixing plate (14) is bonded with Flexible cushion (15). 7 . The MRI head fixing device according to claim 6 , wherein a sweat-absorbing layer ( 16 ) is adhered to the outside of the flexible cushion layer ( 15 ). 8 . 8 . The MRI head fixing device according to claim 6 , wherein a handle ( 17 ) is formed on the outer wall of the arc-shaped fixing plate ( 14 ). 9 .