Inflatable head fixing assist device for magnetic resonance examination

Abstract

The utility model relates to the technical field of medical instruments, and particularly discloses an inflatable head fixing assist device for magnetic resonance examination, which comprises a base, a first positioning air bag and a second positioning air bag. The first positioning airbag is used for positioning two sides of a patient head; the second positioning air bag is used for abutting against the forehead of the patient; the first positioning air bag is detachably connected with the base, and the second positioning air bag is fixedly connected with the first positioning air bag; the first positioning air bag is arranged in a C shape, and a containing groove is formed in the first positioning air bag and used for containing the head. A pillow body is arranged in the containing groove, and the second positioning air bag is located in the containing groove. The first positioning air bag is provided with an ear avoiding groove, and the ear avoiding groove communicates with the containing groove. The inflatable head fixing assist device for the magnetic resonance examination has an excellent head fixing effect, is good in adaptability and can be applied to various patients with different body types.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a kind of inflatable head fixing auxiliary for magnetic resonance examination. BACKGROUND

[0002] Head magnetic resonance imaging (MRI) examination is important technology for assisting clinician to diagnose and monitor many diseases. Therefore, the acquisition of high-quality MRI picture is particularly important, and head positioning during MRI examination is crucial. The device commonly used by hospital to assist in fixing head is foam pad, and one or more foam pads are selected for patients with different sizes of head, which has the following problems:

[0003] 1) It is difficult to adjust the tightness of patient's head fixation, and sometimes the patient's head is fixed too loose, and head movement artifact during examination seriously affects the quality of MRI picture, especially the functional imaging data of nervous system;

[0004] 2) If the patient's head is fixed too tightly, it will cause discomfort and cause head movement, which will cause artifact to data, especially when the patient is undergoing BOLD-fMRI scanning, abnormal activation area of brain (a series of psychological reactions caused by head discomfort) may appear, thereby causing experimental results.

[0005] It can be seen that a suitable head fixation device is very important, and therefore a inflatable head fixation device for magnetic resonance examination is designed to solve the above problems. SUMMARY

[0006] The utility model provides a kind of inflatable head fixing auxiliary for magnetic resonance examination to solve the above technical problem, and it is realized by inflation and deflation to quickly adjust and fix patient, reduce the time required for positioning, and the tightness adjustment is good in convenience.

[0007] To solve the above problems, the utility model adopts the following technical solutions:

[0008] A kind of inflatable head fixing auxiliary for magnetic resonance examination, comprising: base, first positioning air bag and at least one second positioning air bag.

[0009] The first positioning air bag is used to position the two sides of patient's head.

[0010] The at least one second positioning air bag is used to abut against patient's forehead.

[0011] The first positioning air bag is detachably connected with the base, and the at least one second positioning air bag is fixedly connected with the first positioning air bag.

[0012] The first positioning air bag is arranged in a C shape and is provided with a receiving groove for accommodating the head.

[0013] A pillow is arranged in the receiving groove, and the at least one second positioning air bag is arranged in the receiving groove.

[0014] An ear avoiding groove is arranged on the first positioning air bag and is communicated with the receiving groove.

[0015] The second positioning air bag has two in the inflatable head fixing aid for magnetic resonance examination.

[0016] The two second positioning air bags are symmetrically arranged.

[0017] The first positioning air bag has at least one clamping body for clamping a medical isolation pad in the inflatable head fixing aid for magnetic resonance examination.

[0018] The first positioning air bag is provided with a positioning connector in the inflatable head fixing aid for magnetic resonance examination.

[0019] The clamping body is provided with a positioning hole, the positioning connector passes through the positioning hole, and the first positioning air bag and the clamping body are detachably connected through the positioning connector and the positioning hole.

[0020] The inflatable head fixing aid for magnetic resonance examination further comprises at least one belt.

[0021] The two ends of the at least one belt are detachably connected with the two sides of the first positioning air bag, respectively.

[0022] The at least one belt is used for restraining the first positioning air bag and / or the top of the head of the patient.

[0023] The belt is provided with a breathable hole in the inflatable head fixing aid for magnetic resonance examination.

[0024] The first positioning air bag and the positioning connector are integrally arranged in the inflatable head fixing aid for magnetic resonance examination.

[0025] The first positioning air bag and the second positioning air bag are both provided with an inflation nozzle in the inflatable head fixing aid for magnetic resonance examination.

[0026] The first positioning air bag and the second positioning air bag are both provided with an inflation nozzle in the inflatable head fixing aid for magnetic resonance examination.

[0027] The inflation nozzle is provided with a sealing cover for sealing the air inlet of the inflation nozzle.

[0028] The inflation nozzle is a TPU valve inflation nozzle.

[0029] The two clamping bodies are symmetrically distributed left and right.

[0030] The two clamping bodies are symmetrically distributed left and right.

[0031] The head of the patient is fixed by the air bag, the tightness can be adjusted by inflation, it is applicable to patients with different body types, has good applicability, and can avoid problems such as discomfort of the head, head movement and data artifacts caused by too tight fixation of the head of the patient.

[0032] Flexibility is good, inflation and deflation can be used to quickly adjust and fix the patient, and the time required for positioning is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0034] Figure 1 It is the overall structure schematic view of the inflatable head fixation aid for magnetic resonance examination in embodiment 1.

[0035] Figure 2 It is the structure schematic view of the inflatable head fixation aid for magnetic resonance examination in embodiment 1 after installing medical isolation pad.

[0036] Figure 3 It is the structure schematic view of the inflatable head fixation aid for magnetic resonance examination in embodiment 1 after installing medical isolation pad. Figure 1 It is the enlarged view of A in the middle.

[0037] Figure 4 It is the cross-sectional view of the first positioning air bag.

[0038] Figure 5 It is the perspective view of the pillow body.

[0039] Figure 6 It is the overall structure schematic view of the inflatable head fixation aid for magnetic resonance examination in embodiment 2.

[0040] Figure 7 For Figure 6 Enlarged view at B.

[0041] Figure 8 For the overall structure of the inflatable head fixation aid for magnetic resonance examination in Example 3.

[0042] In the figure:

[0043] 10, base;

[0044] 20, first positioning air bag; 21, containing groove; 22, pillow body; 23, ear avoiding groove; 24, positioning connector; 221, groove; 25, magic tape female; 26, magic tape male;

[0045] 30, second positioning air bag;

[0046] 40, clamping body;

[0047] 50, inflation nozzle; 51, plugging cover;

[0048] 60, belt; 61, magic tape male; 62, air hole;

[0049] 70, medical isolation pad. DETAILED DESCRIPTION

[0050] The technical solutions in the embodiments will be described clearly and completely below in combination with the accompanying drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments, not all embodiments.

[0051] Example 1

[0052] As Figures 1 to 5 shown, the embodiment provides an inflatable head fixation aid for magnetic resonance examination, which includes a base 10, a first positioning air bag 20 and a second positioning air bag 30.

[0053] The first positioning air bag 20 is used for positioning the two sides of the user's head, and the second positioning air bag 30 is used for abutting against the forehead of the user. Overall, it has a plurality of positioning points, which can achieve good positioning effect. The head of the patient is fixed by using the air bag, which has good adaptability. The tightness can be adjusted by inflation, thereby avoiding the problems of feeling uncomfortable, causing head movement and causing artifacts on data due to too tight fixation of the patient's head.

[0054] Specifically, the first positioning air bag 20 and the second positioning air bag 30 are each provided with an inflation nozzle 50, and the interiors of the first positioning air bag 20 and the second positioning air bag 30 are in communication with the respective inflation nozzles. The first positioning air bag 20 and the second positioning air bag 30 have good flexibility in use, and the tightness can be quickly adjusted by inflation and deflation, thereby reducing the time required for positioning.

[0055] Specifically, the inflation nozzle 50 is provided with a blocking cover 51 for blocking the air inlet of the inflation nozzle 50.

[0056] Illustratively, the inflation nozzle 50 is a TPU air valve inflation nozzle 50.

[0057] Specifically, the first positioning air bag 20 is detachably connected with the base 10, and the second positioning air bag 30 is fixedly connected with the first positioning air bag 20.

[0058] Illustratively, the first positioning air bag 20 is detachably connected with the base 10 in a way of magic tape, and the second positioning air bag 30 is designed in an integrated way.

[0059] Specifically, the first positioning air bag 20 is arranged in a C shape and is formed with a containing groove 21. The containing groove 21 is used for containing a head, and a pillow body 22 is arranged in the containing groove 21, and the second positioning air bag 30 is located in the containing groove 21. An ear avoiding groove 23 is arranged on the first positioning air bag 20 and communicates with the containing groove 21.

[0060] Due to a series of psychological reactions caused by discomfort of the head, the BOLD-fMRI may appear abnormal activation areas of the brain during scanning, thereby affecting the results. Therefore, the pillow body 22 and the ear avoiding groove 23 are arranged to further improve the comfort during positioning, thereby reducing the abnormal activation areas of the brain during scanning of the BOLD-fMRI.

[0061] Illustratively, the pillow body 22 and the first positioning air bag 20 are detachably connected through a snap fastener, and the connection is convenient.

[0062] In the embodiment, the second positioning air bag 30 has two, and the two second positioning air bags 30 are symmetrically distributed. When in use, the two sides of the forehead of a patient are respectively pressed by the two second positioning air bags 30, and a good positioning effect can be achieved.

[0063] In the embodiment, the first positioning air bag 20 has a clamping body 40, and the clamping body 40 is used for clamping a medical isolation pad 70. By laying the medical isolation pad, the contact between the human body and the first positioning air bag 20, the second positioning air bag 30 and the pillow body 22 and the like can be avoided, the risk of cross infection can be reduced, and the safety can be improved.

[0064] Specifically, the clamping body 40 has two, and the two clamping bodies 40 are symmetrically distributed.

[0065] In the embodiment, the first positioning air bag 20 is provided with a positioning connector 24, the clamping body 40 is provided with a positioning hole (not shown), the positioning connector 24 passes through the positioning hole, and the first positioning air bag 20 and the clamping body 40 are detachably connected through the positioning connector 24 and the positioning hole.

[0066] Specifically, the first positioning air bag 20 is integrally arranged with the positioning connector 24.

[0067] Specifically, the positioning connector 24 is arranged in a mushroom shape, which can achieve good anti-falling effect, and the clamping body 40 will not easily fall off under stress, and has good stability.

[0068] In the embodiment, the pillow body 22 is provided with a groove 221, and the back of the head of the patient can be placed in the groove 221 during use, which conforms to the ergonomic design and can improve the comfort and positioning effect.

[0069] Embodiment 2

[0070] As shown in Figure 6 and 7 The embodiment provides an inflatable head fixing aid for magnetic resonance examination, which is different from the embodiment 1 in that it further comprises a belt 60, the belt 60 is used for restraining the first positioning air bag 20, avoiding large deformation of the first positioning air bag 20 during use, and maintaining the positioning effect of the first positioning air bag 20.

[0071] In the embodiment, the two ends of the belt 60 are detachably connected with the two sides of the first positioning air bag 20, respectively.

[0072] Specifically, the belt 60 is provided with a magic tape sub sticker 61, and the outer wall surface of the first positioning air bag 20 is provided with a magic tape mother sticker 25, and the belt 60 and the first positioning air bag 20 are detachably connected through the magic tape sub sticker 61 and the magic tape mother sticker 25.

[0073] Embodiment 3

[0074] As shown in Figure 8 The embodiment provides an inflatable head fixing aid for magnetic resonance examination, which is different from the embodiment 2 in that the belt 60 has two.

[0075] One of the belts 60 is used for restraining the top of the head of the patient, and the other belt 60 is used for restraining the first positioning air bag 20, avoiding large deformation of the first positioning air bag 20 during use, and the two belts 60 can achieve good limiting effect when used simultaneously, and can avoid the head of the patient from moving out of the containing groove 21.

[0076] In the embodiment, the belt 60 is provided with a breathable hole 62.

[0077] Although the embodiments of the present application have been shown and described above, the protection scope of the present application is not limited thereto, and any change or replacement not thought through creative labor should be covered within the protection scope of the present application; unless explicitly stated, any element, action or instruction used in the present application should not be interpreted as critical or necessary.

Claims

1. An inflatable head fixation aid for magnetic resonance imaging (MRI) examination, characterized in that, include: Base; The first positioning airbag is used to position the patient's head on both sides. as well as At least one second positioning airbag is used to abut against the patient's forehead; The first positioning airbag is detachably connected to the base, and the at least one second positioning airbag is fixedly connected to the first positioning airbag. The first positioning airbag is C-shaped and has a receiving groove for accommodating the head; A pillow is provided in the receiving groove, and at least one second positioning airbag is located in the receiving groove; The first positioning airbag is provided with an ear clearance groove, which is connected to the receiving groove.

2. The inflatable head fixation device for magnetic resonance imaging (MRI) examination according to claim 1, characterized in that, The second positioning airbag has two; The two second positioning airbags are symmetrically distributed.

3. The inflatable head fixation device for magnetic resonance imaging (MRI) examination according to claim 1, characterized in that, The first positioning airbag has at least one clamp for clamping the medical isolation pad.

4. An inflatable head fixation device for magnetic resonance imaging (MRI) examination according to claim 3, characterized in that, The first positioning airbag is equipped with a positioning connector; The clamp body is provided with a positioning hole, and the positioning connector passes through the positioning hole. The first positioning airbag and the clamp body are detachably connected through the positioning connector and the positioning hole.

5. An inflatable head fixation device for magnetic resonance imaging (MRI) examination according to claim 1, characterized in that, Also includes: At least one strap, with both ends detachably connected to the two sides of the first positioning airbag; The at least one strap is used to restrain the first positioning airbag and / or the top of the patient's head.

6. An inflatable head fixation device for magnetic resonance imaging (MRI) examination according to claim 5, characterized in that, The strap is provided with ventilation holes.

7. An inflatable head fixation device for magnetic resonance imaging (MRI) examination according to claim 4, characterized in that, The first positioning airbag and the positioning connector are integrated into one piece.

8. An inflatable head fixation device for magnetic resonance imaging (MRI) examination according to claim 1, characterized in that, Both the first positioning airbag and the second positioning airbag are equipped with inflation nozzles; The interiors of the first and second positioning airbags are both connected to their respective air nozzles. The inflation nozzle has a sealing cap for sealing the air inlet of the inflation nozzle.

9. An inflatable head fixation aid for magnetic resonance imaging (MRI) examination according to claim 8, characterized in that, The inflation nozzle is a TPU air valve inflation nozzle.

10. An inflatable head fixation device for magnetic resonance imaging (MRI) examination according to claim 3, characterized in that, The clamp has two parts; The two clamps are symmetrically distributed from left to right.

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