CN218391086U

CN218391086U - Earplug for nuclear magnetic resonance image examination

Info

Publication number: CN218391086U
Application number: CN202221555205.2U
Authority: CN
Inventors: 胡静; 余辉兴
Original assignee: Jingdezhen Second People's Hospital
Current assignee: Jingdezhen Second People's Hospital
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-01-31
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a nuclear magnetic resonance image earplug for inspection of medical examination technical field, including two earplug covers, four angle departments of two relative one sides of earplug cover are four springs of fixedly connected with respectively, four the equal fixedly connected with connecting seat of one end of spring, the lower fixed surface of connecting seat is connected with the connecting rod, the bottom outside sliding connection of connecting rod has the support cover, support the lower fixed surface of cover and be connected with the sliding seat. Compared with the prior art, through sliding seat, connecting seat and the connecting rod that sets up, the device of being convenient for is in the use, removes two intervals that support the cover of two sliding seat adjustments on unable adjustment base's top, then through the height of connecting rod adjustment connecting seat, drives the earplug cover through four springs at last and closely laminates in people's ear both sides to more effectual noise reduction effect that plays, and improved earplug cover and used the travelling comfort.

Description

Earplug for nuclear magnetic resonance image examination

Technical Field

The utility model relates to a medical treatment inspection technical field especially relates to an earplug is used in nuclear magnetic resonance image inspection.

Background

The nuclear magnetic resonance is a physical process that magnetic moment is not zero, the spinning energy level generates Zeeman splitting under the action of an external magnetic field, resonance absorbs radio frequency radiation with certain frequency, the nuclear magnetic resonance spectroscopy is a branch of spectroscopy, the resonance frequency is in a radio frequency wave band, corresponding transition is transition of the nuclear spinning on the Zeeman energy level, certain noise is generated in the process of nuclear magnetic resonance, and the noise needs to be isolated, so that pain of a patient is reduced, meanwhile, the material of the earplug cannot contain metal components, otherwise, the ear and even the whole body are injured, and the traditional soft silica gel earplug is used.

Although the utility of the earplug for magnetic resonance imaging examination is improved by adjusting the height and the distance of the earplug as disclosed in the publication No. CN210631222U, the earplug used in the method is not only unable to perform sound insulation and noise reduction well, but also has the problem of uncomfortable use, so we propose an earplug for magnetic resonance imaging examination.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an earplug is used in nuclear magnetic resonance image inspection has better noise reduction effect to and higher travelling comfort, solved traditional earplug and used travelling comfort and the poor problem of noise reduction effect.

The technical scheme of the utility model is that:

the utility model provides an earplug is used in nuclear magnetic resonance image inspection, includes two earplug covers, four angle departments of two relative one sides of earplug cover are four springs of fixedly connected with respectively, four the equal fixedly connected with connecting seat of one end of spring, the lower fixed surface of connecting seat is connected with the connecting rod, sliding connection in the bottom outside of connecting rod supports the cover, support the lower fixed surface of cover and be connected with the sliding seat, two the equal sliding connection in bottom of sliding seat has unable adjustment base.

In a further technical scheme, unable adjustment base's last fixed surface is connected with the headrest, the front surface fixed surface of unable adjustment base bottom is connected with the shoulder pillow, the top fixedly connected with neck pillow of shoulder pillow, the rear surface at neck pillow top and headrest front end fixed connection.

In a further technical scheme, two be fixedly connected with movable block on the top inner wall of sliding seat respectively, two-way lead screw is installed to the equal screw thread in inboard of movable block, unable adjustment base's upper surface both sides are seted up respectively with the spout of movable block looks adaptation, two the movable block is sliding connection respectively in the inboard of spout.

In a further technical scheme, the spacing groove has been seted up respectively to the both sides at both ends around the unable adjustment base, both ends inner wall is fixedly connected with stopper respectively around the sliding seat, stopper sliding connection is in the inboard of spacing groove.

In a further technical scheme, the middle outer side of the bidirectional screw rod is rotatably connected to the inner side of the fixed base through a bearing, two ends of the bidirectional screw rod respectively penetrate through two ends of the fixed base, and one side of the bidirectional screw rod is fixedly connected with a knob located on one side of the fixed base.

In a further technical scheme, a lead screw is installed to one side screw thread of the support sleeve, and one end of the lead screw penetrates through the inner side of the support sleeve and is in sliding connection with one side of the connecting rod.

In a further technical scheme, the inner walls of the front end and the rear end of the movable seat are respectively attached to the surfaces of the front end and the rear end of the fixed base, and the movable seats are respectively located at the two ends of the headrest.

The beneficial effects of the utility model are that:

1. compared with the prior art, through sliding seat, connecting seat and the connecting rod that sets up, the device of being convenient for is in the use, removes two sliding seat adjustment intervals that support the cover on unable adjustment base's top, then adjusts the height of connecting seat through the connecting rod, drives the earplug cover through four springs at last and closely laminates in people's ear both sides to more effectual noise reduction effect that plays, and improved earplug cover and used the travelling comfort.

2. Compared with the prior art, through headrest, shoulder pillow and the neck pillow that sets up, the device of being convenient for at the use, lie back when the people at first place the head on the headrest, then at shoulder pillow and neck pillow's effect under bracing neck and shoulder to the detection travelling comfort after having improved the measurement personnel and having lain down.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a fixing base according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a movable seat according to an embodiment of the present invention;

FIG. 4 is a schematic view of a support sleeve according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a connection seat according to an embodiment of the present invention.

Description of reference numerals:

1. an earplug sleeve; 2. a fixed base; 3. a headrest; 4. shoulder pillows; 5. a neck pillow; 6. a movable seat; 7. a connecting seat; 8. a knob; 9. a chute; 10. a limiting groove; 11. a bidirectional screw rod; 12. a movable block; 13. a limiting block; 14. a support sleeve; 15. a connecting rod; 16. a screw shaft; 17. a spring.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

The embodiment is as follows:

as shown in fig. 1-5, an earplug for nuclear magnetic resonance image examination includes two earplug sleeves 1, four corners of one opposite side of the two earplug sleeves 1 are respectively fixedly connected with four springs 17, one end of each of the four springs 17 is fixedly connected with a connecting seat 7, a lower surface of each of the connecting seats 7 is fixedly connected with a connecting rod 15, a bottom outer side of each of the connecting rods 15 is slidably connected with a supporting sleeve 14, a lower surface of each of the supporting sleeves 14 is fixedly connected with a movable seat 6, and bottom ends of the two movable seats 6 are respectively slidably connected with a fixing base 2.

The working principle of the technical scheme is as follows:

first install two earplug covers 1 in the relative one side of two connecting seats 7 through four springs 17 respectively, then with connecting seat 7 through connecting rod 15 slidable mounting in the inboard of supporting cover 14, will support cover 14 and install on sliding seat 6 after that, with the top outside of sliding seat 6 sliding connection in unable adjustment base 2, after the detector couches down, place the head between two connecting seats 7, then upwards stimulate connecting seat 7 through the height of supporting cover 14 and connecting rod 15's sliding connection adjustment earplug cover 1, adjust the interval of two sliding seats 6 after that and make the laminating that two earplug covers 1 can be better in the outside of people's ear, can make the more inseparable realization laminating in earplug cover 1 surface through spring 17 at last, thereby the better effect of making an uproar falls in playing.

In another embodiment, as shown in fig. 1, a headrest 3 is fixedly connected to the upper surface of the stationary base 2, a shoulder pillow 4 is fixedly connected to the front surface of the bottom of the stationary base 2, a neck pillow 5 is fixedly connected to the top of the shoulder pillow 4, and the rear surface of the top of the neck pillow 5 is fixedly connected to the front end of the headrest 3.

After the measurement personnel laid down, at first place the head on headrest 3, the measurement personnel neck just can be in the top of neck pillow 5 this moment, and the shoulder is in the top of shoulder pillow 4 to better play the supporting role, guarantee the comfort level in the measurement personnel testing process.

In another embodiment, as shown in fig. 3, the inner walls of the top ends of the two movable seats 6 are fixedly connected with movable blocks 12 respectively, the inner sides of the two movable blocks 12 are both threadedly provided with two-way screws 11, the two sides of the upper surface of the fixed base 2 are respectively provided with sliding grooves 9 matched with the movable blocks 12, and the two movable blocks 12 are respectively slidably connected to the inner sides of the sliding grooves 9.

The movable blocks 12 are connected to the inner side of the sliding groove 9 in a sliding mode, then the bidirectional screw rod 11 is rotated to enable the bidirectional screw rod to push the two movable blocks 12 to synchronously move in opposite directions under the action of opposite threads at two ends of the outer side, and finally the movable blocks 12 drive the movable seat 6 to synchronously move.

In another embodiment, as shown in fig. 2, the two sides of the front and rear ends of the fixing base 2 are respectively provided with a limiting groove 10, the inner walls of the front and rear ends of the movable base 6 are respectively and fixedly connected with a limiting block 13, and the limiting blocks 13 are slidably connected to the inner side of the limiting groove 10.

Through the sliding connection of stopper 13 and spacing groove 10, realize that the removal of sliding seat 6 on unable adjustment base 2 top is spacing, avoid sliding seat 6 and unable adjustment base 2 to break away from the connection.

In another embodiment, as shown in fig. 2, the middle outer side of the bidirectional screw 11 is rotatably connected to the inner side of the fixed base 2 through a bearing, two ends of the bidirectional screw 11 respectively penetrate two ends of the fixed base 2, and one side of the bidirectional screw 11 is fixedly connected to the knob 8 located at one side of the fixed base 2.

Install two-way lead screw 11 between two spouts 9 in unable adjustment base 2 through the bearing for two-way lead screw 11 drives promotion movable block 12 that can be more stable under the effect of knob 8.

In another embodiment, as shown in fig. 4, a screw 16 is threadedly mounted on one side of the support sleeve 14, and one end of the screw 16 penetrates the inside of the support sleeve 14 and is slidably connected to one side of the connection rod 15.

The fixing of the connecting rod 15 after the position adjustment can be realized by a lead screw 16 threaded through the support sleeve 14.

In another embodiment, as shown in fig. 1, the inner walls of the front and rear ends of the movable seat 6 respectively abut against the surfaces of the front and rear ends of the fixed base 2, and the two movable seats 6 are respectively located at the two ends of the headrest 3.

With the both ends inner wall respectively with unable adjustment base 2 around both ends surface laminating mutually around the sliding seat 6, guarantee sliding seat 6 mobility stability, can play the removal of two spacing sliding seats 6 through headrest 3.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims

1. An earplug for magnetic resonance image examination, includes two earplug covers (1), its characterized in that: four corners department of two earplug covers (1) relative one side is four springs (17), four fixedly connected with connecting seat (7) respectively the equal fixedly connected with connecting seat (7) of one end of spring (17), the lower fixed surface of connecting seat (7) is connected with connecting rod (15), the bottom outside sliding connection of connecting rod (15) supports cover (14), support the lower fixed surface of cover (14) and be connected with sliding seat (6), two the equal sliding connection in bottom of sliding seat (6) has unable adjustment base (2).

2. The ear plug for mri as set forth in claim 1, wherein: the last fixed surface of unable adjustment base (2) is connected with headrest (3), the front surface fixed surface of unable adjustment base (2) bottom is connected with shoulder pillow (4), the top fixedly connected with neck pillow (5) of shoulder pillow (4), the rear surface at neck pillow (5) top and headrest (3) front end fixed connection.

3. The ear plug for mri as set forth in claim 1, wherein: two on the top inner wall of movable seat (6) respectively fixedly connected with movable block (12), two-way lead screw (11) are installed to the inboard equal screw thread of movable block (12), spout (9) with movable block (12) looks adaptation, two are seted up respectively to the upper surface both sides of unable adjustment base (2) movable block (12) sliding connection respectively in the inboard of spout (9).

4. The ear plug for magnetic resonance imaging examination according to claim 1, wherein: limiting grooves (10) have been seted up respectively to the both sides at both ends around unable adjustment base (2), both ends inner wall is fixedly connected with stopper (13) respectively around adjustable seat (6), stopper (13) sliding connection is in the inboard of limiting groove (10).

5. The ear plug for magnetic resonance imaging examination according to claim 3, wherein: the middle part outside of two-way lead screw (11) is passed through the bearing and is rotated and connect in the inboard of unable adjustment base (2), the both ends of two-way lead screw (11) run through the both ends of unable adjustment base (2) respectively, one side fixedly connected with of two-way lead screw (11) is located knob (8) of unable adjustment base (2) one side.

6. The ear plug for magnetic resonance imaging examination according to claim 1, wherein: the screw rod (16) is installed to one side screw thread of supporting cover (14), the one end of screw rod (16) run through to the inboard of supporting cover (14) and with connecting rod (15) one side sliding connection.

7. The ear plug for mri as set forth in claim 2, wherein: the inner walls of the front end and the rear end of the movable seat (6) are respectively attached to the surfaces of the front end and the rear end of the fixed base (2), and the movable seat (6) is respectively positioned at the two ends of the headrest (3).