CN221013257U - Nuclear magnetic resonance noise reduction protection device - Google Patents

Nuclear magnetic resonance noise reduction protection device Download PDF

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Publication number
CN221013257U
CN221013257U CN202322570707.3U CN202322570707U CN221013257U CN 221013257 U CN221013257 U CN 221013257U CN 202322570707 U CN202322570707 U CN 202322570707U CN 221013257 U CN221013257 U CN 221013257U
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China
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magnetic resonance
nuclear magnetic
noise reduction
protection device
bed body
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CN202322570707.3U
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Chinese (zh)
Inventor
徐卫锋
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980th Hospital of the Joint Logistics Support Force of PLA
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980th Hospital of the Joint Logistics Support Force of PLA
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Abstract

The utility model provides a nuclear magnetic resonance noise reduction protection device, and relates to the technical field of medical equipment. The utility model provides a nuclear magnetic resonance protection device that makes an uproar falls, includes the inspection bed body and installs the protection machanism on the inspection bed body, protection machanism is including installing the protective housing on the inspection bed body, it has the top cap to articulate through the hinge on the protective housing, the sound absorbing hole has all been seted up on protective housing and the top cap, the inside of protective housing and top cap all is equipped with inhales sound mechanism, the inside of protective housing is equipped with the sleeve pipe, movable rod is installed to sheathed tube one end. Through two earmuffs clamp of setting in patient's auricle both sides, reduced the noise that the patient heard when the inspection, the noise that the instrument produced enters into the inside of protecting sheathing and top cap through inhaling the sound hole, and the back is through setting up the inside sound mechanism of inhaling of protecting sheathing and top cap to noise reduction propagation, can inhale the sound that produces when the equipment operation and fall the noise and handle, prevent to cause the influence to the patient's mind and body.

Description

Nuclear magnetic resonance noise reduction protection device
Technical Field
The utility model relates to a noise reduction protection device, in particular to a nuclear magnetic resonance noise reduction protection device, and belongs to the technical field of medical equipment.
Background
Nuclear magnetic resonance, also called nmr imaging, is a further significant advancement in medical imaging following CT, with the first experimental success in 1933 by the american physicist iskei isattra. Since the 70 s application, it has been developed at an extremely high speed by placing a human body in a special magnetic field, exciting hydrogen nuclei in the human body with radio frequency pulses, causing the hydrogen nuclei to resonate, and absorbing energy. After stopping the radio frequency pulse, the hydrogen nucleus emits radio signal with specific frequency and releases the absorbed energy, which is collected by the receiver outside the body and processed by the computer to obtain image, which is called nuclear magnetic resonance imaging, and noise is generated during nuclear magnetic resonance, so that a noise reduction protection device is needed.
Chinese patent publication No. CN213189547U discloses a noise reduction protector for nuclear magnetic resonance department, including bedstead and noise reduction pad, the surface mounting of bedstead has the bed board, and the top of bed board is settled there is the foam-rubber cushion, the upper and lower both ends of foam-rubber cushion are provided with the spout, and the outside of spout is settled there is the protection casing, the pull handle is installed to the one end of protection casing, and the outer wall of protection casing is provided with the radiation protection layer, noise reduction pad bonds in the inner wall of protection casing, and the surface of noise reduction pad is provided with the lug, one side of bedstead is fixed with the sub-band, and the sub-knot is installed to the bottom of sub-band, the master band is settled to the opposite side of bedstead, and the master buckle is installed on the top of master band, the left side surface of foam-rubber cushion is settled there is the head cushion, and the upper and lower both ends of head cushion are connected with the elastic cord.
However, the inventor of the device considers that certain defects exist, the device adopts a sponge earmuff to cover the external ear of a patient, has a single structure and poor noise reduction effect, so that the patient can possibly feel dysphoria in the examination process, normal examination can be influenced, and the physical and mental effects of the patient are also influenced.
Disclosure of utility model
The utility model aims to solve the problems that the nuclear magnetic resonance noise reduction protection device is single in structure and poor in noise reduction effect in the prior art, so that the patient can be in dysphoria in the examination process, normal examination can be influenced, and the physical and mental effects of the patient are also influenced.
Technical proposal
The utility model is realized by the following technical scheme: the utility model provides a nuclear magnetic resonance protection device that makes an uproar falls, includes the inspection bed body and installs the protection machanism on the inspection bed body, protection machanism is including installing the protective housing on the inspection bed body, it has the top cap to articulate through the hinge on the protective housing, the sound absorbing hole has all been seted up on protective housing and the top cap, the inside of protective housing and top cap all is equipped with inhales sound mechanism, the inside of protective housing is equipped with the sleeve pipe, movable rod is installed to sheathed tube one end, the earmuff is installed to the other end of movable rod, install the headrest on the inspection bed body, the inside at the protective housing is established to the headrest.
Preferably, the movable rod is slidably connected inside the sleeve, one end of the movable rod is connected with the inner side wall of the sleeve through a spring, and the earmuff is provided with a soft sleeve.
Preferably, a connecting frame is arranged on the sleeve, a plug rod is arranged on the connecting frame, a plug cylinder is arranged on the inner side wall of the protective shell, and the plug rod is inserted into the plug cylinder.
Preferably, the top cover is provided with a fixing rod, one end of the protective casing is rotationally connected with a rotating buckle, and the rotating buckle is provided with a groove matched with the fixing rod.
Preferably, the sound absorbing mechanism comprises a first sound absorbing cotton and a second sound absorbing cotton which are arranged in the protective shell, and a cavity is arranged between the first sound absorbing cotton and the second sound absorbing cotton.
Preferably, a reflecting plate is installed in the cavity, and the reflecting plate is wavy.
Preferably, an elastic band is installed on the examination bed body, and a buckle is installed on the elastic band.
The utility model provides a nuclear magnetic resonance noise reduction protection device, which has the following beneficial effects:
The device presss from both sides in patient's auricle both sides through two earmuffs that set up, has reduced the noise that the patient heard when the inspection, and the noise that the instrument produced enters into the inside of protecting sheathing and top cap through inhaling the sound hole, and the back is through setting up the inside sound mechanism of inhaling of protecting sheathing and top cap to noise abatement propagation, can inhale the sound that produces when the equipment operation and fall the noise and handle, prevents to cause the influence to the patient's mind and body.
The device makes one end keep certain elasticity when the movable rod contracts through the spring that sets up to make the stable centre gripping of earmuff in patient's auricle both sides, and adaptable different facial forms's patient wears, and through inserting the inserted bar in the cartridge of different positions, adjust the high value of earmuff, make the earmuff accurate fix the auricle of patient.
The device makes the noise that the instrument produced get into the inside of protective housing and top cap through the sound hole that sets up, and the back is absorbed the noise through first sound cotton that inhales, and little part noise is inhaled the inside that cotton entered into the cavity through first sound and is carried out the hollowing reverberant sound, and the back is inhaled the sound processing through the reflection that the reflecting plate was inhaled the noise again to first sound cotton that inhales, great reduction noise is permeated protective housing or top cap and is entered into inside the protection machanism.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a perspective view of the structure of the protection mechanism of the present utility model;
FIG. 3 is a schematic view of a sleeve structure according to the present utility model;
Fig. 4 is a schematic structural view of the sound absorbing mechanism of the present utility model.
[ Main reference numerals Specification ]
1. An inspection bed body; 11. an elastic band; 2. a protective housing; 21. a sound absorbing hole; 22. a rotary buckle; 3. a top cover; 31. a fixed rod; 4. a headrest; 5. a sleeve; 51. a movable rod; 52. ear muffs; 53. a soft sleeve; 54. a spring; 6. a connecting frame; 61. a rod; 7. a plug cylinder; 8. a sound absorbing mechanism; 81. a first sound absorbing cotton; 82. a reflection plate; 83. a cavity; 84. and the second sound absorbing cotton.
Detailed Description
The embodiment of the utility model provides a nuclear magnetic resonance noise reduction protection device.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, a nuclear magnetic resonance noise reduction protection device, including the inspection bed body 1 and install the protection machanism on the inspection bed body 1, protection machanism is including installing the guard casing 2 on the inspection bed body 1, there is top cap 3 through the hinge on the guard casing 2, install dead lever 31 on the top cap 3, the one end rotation of guard casing 2 is connected with and rotates knot 22, the recess with dead lever 31 looks adaptation has been seted up on the knot 22, through covering top cap 3 at the top of guard casing 2, afterwards make the recess on the knot 22 through rotating the knot 22, thereby block on dead lever 31 restriction top cap 3's opening, make the one end of rotating knot 22 keep away from dead lever 31 through rotating the knot 22 after the inspection, make top cap 3 open the top of guard casing 2.
Referring to fig. 1, fig. 2 and fig. 4 again, sound absorbing holes 21 are formed in the protective housing 2 and the top cover 3, sound absorbing mechanisms 8 are arranged in the protective housing 2 and the top cover 3, the sound absorbing mechanisms 8 comprise first sound absorbing cotton 81 and second sound absorbing cotton 84 which are arranged in the protective housing 2, a cavity 83 is formed between the first sound absorbing cotton 81 and the second sound absorbing cotton 84, a reflecting plate 82 is arranged in the cavity 83, the reflecting plate 82 is in a wavy shape, noise generated in the inspection process enters the protective housing 2 and the top cover 3 through the sound absorbing holes 21, sound absorbing processing is performed on the noise entering the protective housing through the first sound absorbing cotton 81, a small part of noise enters the cavity 83 through the first sound absorbing cotton 81 to be hollow and reverberated, and then the noise is reflected to the first sound absorbing cotton 81 again through reflection of the reflecting plate 82 to perform sound absorbing processing.
Referring to fig. 1, 2 and 3 again, the inside of the protective housing 2 is provided with a sleeve 5, one end of the sleeve 5 is provided with a movable rod 51, the other end of the movable rod 51 is provided with an ear cover 52, two ear covers 52 are covered on two sides of the external ear of a patient to reduce noise entering the ear, the movable rod 51 is slidably connected in the sleeve 5, one end of the movable rod 51 is connected with the inner side wall of the sleeve 5 through a spring 54, a soft sleeve 53 is arranged on the ear cover 52, the ear cover 52 is abutted against two sides of the patient through the arranged spring 54, patients with different face shapes can be worn, comfort of wearing of the patient is improved through the soft sleeve 53, the sleeve 5 is provided with a connecting frame 6, the connecting frame 6 is provided with an inserting rod 61, the inner side wall of the protective housing 2 is provided with an inserting cylinder 7, the inserting rod 61 is inserted in the interior of the inserting cylinder 7, and the height value of the ear cover 52 is adjusted through inserting the inserting rod 61 into the inserting cylinder 7 at different positions to accurately fix the external ear cover 52 to the external ear of the patient.
Referring to fig. 1 and 2 again, the inspection bed 1 is provided with a headrest 4, the headrest 4 is arranged inside the protective housing 2, the head of a patient is supported by arranging the headrest 4, the inspection bed 1 is provided with an elastic belt 11, the elastic belt 11 is provided with a buckle, the patient is fixed through the arranged elastic belt 11, and the influence on the inspection effect caused by the movement of the patient in the inspection process is avoided.
Working principle: the patient lies on the inspection bed body 1, the head rest is on headrest 4 and is according to patient's auricle position to adjust the high value of earmuff 52, make the earmuff 52 come to support tightly to patient's auricle after making inserted link 61 insert in the section of thick bamboo 7 of suitable position, afterwards make top cap 3 cover in the top of protecting sheathing 2, make the recess card on the rotation knot 22 on the dead lever 31 limit the opening of top cap 3 through rotating the rotation knot 22, the noise that produces in the inspection process gets into the inside of protecting sheathing 2 and top cap 3 through inhaling sound hole 21, inhale the sound through first sound cotton 81 and process the noise that gets into, a small amount of noise is through first sound cotton 81 entering the inside of cavity 83 and is sounded in the hollowness, afterwards reflect the noise again to first sound cotton 81 through the reflection of reflecting plate 82 and inhale the sound processing, the earmuff 52 of cover in patient's auricle both sides has further reduced the noise and has gone into the ear.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a nuclear magnetic resonance protection device that falls, includes inspection bed body (1) and installs the protection machanism on inspection bed body (1), its characterized in that: the protection mechanism comprises a protection shell (2) arranged on an inspection bed body (1), a top cover (3) is hinged to the protection shell (2) through a hinge, sound absorbing holes (21) are formed in the protection shell (2) and the top cover (3), sound absorbing mechanisms (8) are arranged in the protection shell (2) and the top cover (3), a sleeve (5) is arranged in the protection shell (2), a movable rod (51) is arranged at one end of the sleeve (5), an earmuff (52) is arranged at the other end of the movable rod (51), a headrest (4) is arranged on the inspection bed body (1), and the headrest (4) is arranged in the protection shell (2).
2. A nuclear magnetic resonance noise reduction protection device as defined in claim 1, wherein: the movable rod (51) is slidably connected inside the sleeve (5), one end of the movable rod (51) is connected with the inner side wall of the sleeve (5) through a spring (54), and the earmuff (52) is provided with a soft sleeve (53).
3. A nuclear magnetic resonance noise reduction protection device as defined in claim 1, wherein: install link (6) on sleeve pipe (5), install inserted bar (61) on link (6), cartridge (7) are installed to the inside wall of protective housing (2), inside at cartridge (7) are pegged graft to inserted bar (61).
4. A nuclear magnetic resonance noise reduction protection device as defined in claim 1, wherein: the novel protective cover is characterized in that a fixed rod (31) is arranged on the top cover (3), one end of the protective casing (2) is rotationally connected with a rotating buckle (22), and a groove matched with the fixed rod (31) is formed in the rotating buckle (22).
5. A nuclear magnetic resonance noise reduction protection device as defined in claim 1, wherein: the sound absorption mechanism (8) comprises a first sound absorption cotton (81) and a second sound absorption cotton (84) which are arranged in the protective shell (2), and a cavity (83) is formed between the first sound absorption cotton (81) and the second sound absorption cotton (84).
6. A nuclear magnetic resonance noise reduction protection device as defined in claim 5, wherein: a reflecting plate (82) is arranged in the cavity (83), and the reflecting plate (82) is wavy.
7. A nuclear magnetic resonance noise reduction protection device as defined in claim 1, wherein: an elastic band (11) is arranged on the examination bed body (1), and a buckle is arranged on the elastic band (11).
CN202322570707.3U 2023-09-21 2023-09-21 Nuclear magnetic resonance noise reduction protection device Active CN221013257U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322570707.3U CN221013257U (en) 2023-09-21 2023-09-21 Nuclear magnetic resonance noise reduction protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322570707.3U CN221013257U (en) 2023-09-21 2023-09-21 Nuclear magnetic resonance noise reduction protection device

Publications (1)

Publication Number Publication Date
CN221013257U true CN221013257U (en) 2024-05-28

Family

ID=91184036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322570707.3U Active CN221013257U (en) 2023-09-21 2023-09-21 Nuclear magnetic resonance noise reduction protection device

Country Status (1)

Country Link
CN (1) CN221013257U (en)

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