CN213430101U

CN213430101U - Head fixing device for nuclear magnetic resonance examination

Info

Publication number: CN213430101U
Application number: CN202021127086.1U
Authority: CN
Inventors: 南细柳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-06-15
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a nuclear magnetic resonance inspection head fixing device relates to headrest technical field, including horizontal pole and fixed establishment, there is the bed body on the surface of horizontal pole through slide rail sliding connection, the fixed surface of the bed body is connected with the headrest, and the headrest is hollow structure, one side fixed mounting that the horizontal pole is close to the headrest has the detector, the surface of headrest is provided with fixed establishment, fixed establishment includes the pivot, the one end that the pivot is close to the headrest runs through the surface of headrest and is connected with the inner wall rotation of headrest, the pivot is located the inside fixed surface of headrest and is connected with the gear, the equal sliding connection of roof and the diapire of headrest has the second support. The utility model discloses, through setting up fixed establishment, solved when doing the head nuclear magnetic resonance inspection, must keep a period of head posture unchangeable, if there is the change, the artifact will appear in the image that nuclear magnetic resonance appearance scanned out, causes to detect inaccurately, leads to doctor's judgement to make mistakes, is unfavorable for the problem of patient's treatment.

Description

Head fixing device for nuclear magnetic resonance examination

Technical Field

The utility model relates to a headrest technical field especially relates to a nuclear magnetic resonance inspection head fixing device.

Background

A pillow is a sleeping tool. Pillows are generally considered to be a filler that people adopt for sleeping comfort. It is recognized from modern medical research that the human spine, when viewed from the front, is a straight line, but when viewed from the side, is a curve with four physiological curvatures. In order to protect the normal physiological curvature of the neck and maintain the normal physiological activities of people during sleeping, a pillow is needed during sleeping. The pillow generally comprises a pillow core and a pillow case.

Nuclear magnetic resonance is often used for examining neurosurgery, it is convenient to detect, but also the result that detects can the degree of accuracy be high, when carrying out nuclear magnetic resonance inspection head, need have the headrest to cooperate the patient, because can not move the bullet in the inspection, it is unchangeable to have the head posture of keeping a period of time, the patient is inside because the easy unconscious action of space is narrow and small, and present pillow is relatively poor to patient's head fixed effect, the image that leads to nuclear magnetic resonance appearance to scan will appear the artifact, cause and detect inaccurately, lead to doctor's judgement mistake, be unfavorable for patient's treatment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a head fixing device for nuclear magnetic resonance examination.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a head fixing device for nuclear magnetic resonance examination comprises a cross rod and a fixing mechanism, wherein the surface of the cross rod is connected with a bed body in a sliding mode through a sliding rail, the surface of the bed body is fixedly connected with a headrest, the headrest is of a hollow structure, a detector is fixedly installed on one side, close to the headrest, of the cross rod, the surface of the headrest is provided with the fixing mechanism, the fixing mechanism comprises a rotating shaft, one end, close to the headrest, of the rotating shaft penetrates through the surface of the headrest and is connected with the inner wall of the headrest in a rotating mode, the surface, located inside the headrest, of the rotating shaft is fixedly connected with a gear, the top wall and the bottom wall of the headrest are both connected with second supports in a sliding mode, the second supports are L-shaped, horizontal rods of the two second supports are inserted into the headrest in a sliding mode, a second spring is sleeved on the surface, close to the gear, the utility model discloses a headrest, including first support, second spring, pivot, headrest, first support, gear, second support, gear, the second spring keeps away from the one end of gear and the inside wall fixed connection of headrest, the surface and two second support meshing of gear, two the second support is located the upper and lower both sides of gear, and two second supports are with gear symmetric distribution, the one end fixedly connected with that the pivot is located the headrest outside changes the handle, the equal fixedly connected with connecting rod in one side that the vertical pole of second support is close to each other, the one end that the second support was kept away from to the connecting rod is rotated and is connected with the clamp splice, the headrest is close to the first support of. Two chutes are formed in the surface of the vertical rod of the first support, Y-shaped sliding rods are connected to the surfaces of the chutes in a sliding mode, clamping blocks are fixedly connected to two arms of each Y-shaped sliding rod, first springs are fixedly connected to the surfaces of the clamping blocks, and one ends of the clamping blocks and the horizontal rods of the first support are far away from the first springs.

Preferably, one side fixedly connected with silica gel pad that the clamp splice is kept away from the connecting rod, and the outside fixedly connected with magic subsides of silica gel pad to the magic is pasted and is had disposable medical cotton flannel.

Preferably, one side of the headrest close to the detector is set to be a smooth curved surface, the curved surface is fixedly provided with a silica gel pad, and the surface of the silica gel pad is sleeved with a piece of medical flannelette.

Preferably, the side of the horizontal rods of the two second brackets, which are close to each other, is provided with a tooth groove, and the second brackets are meshed with the gear by means of the tooth groove.

Preferably, the surface of first support is provided with protector, protector includes the connecting block, the surface and the first support fixed connection of connecting block, the one end that first support was kept away from to the connecting block is rotated and is connected with the semicircle ring, the fixed surface of semicircle ring is connected with the earflap ring, the earflap ring is two, and two earflap rings are located the both ends of semicircle ring respectively, the inside fixed mounting of earflap ring has the earplug.

Preferably, the semicircular ring is made of plastic, and the semicircular ring has elasticity.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, when a patient lies on the bed body, the fixing mechanism is arranged, the rotating handle is firstly rotated to rotate the gear, the gear rotates to drive the two second brackets to move towards a direction away from each other so as to enable the two clamping blocks to have a distance, and simultaneously the handle is lifted upwards to enable the Y-shaped sliding rod to move upwards, thereby the clamping block presses the first spring, at the moment, the patient puts the head on the headrest, the handle and the rotating handle are released, under the elastic force action of the first spring and the second spring, the fixture block and the clamping block are tightly attached to the head of the patient, so that the head of the patient cannot be freely moved, and the problem that when the nuclear magnetic resonance examination of the head is carried out is solved, the head posture must be kept unchanged for a period of time, and if the head posture changes, an image scanned by the nuclear magnetic resonance apparatus generates an artifact, so that the detection is inaccurate, the judgment of a doctor is wrong, and the treatment of a patient is not facilitated.

2. The utility model discloses in, through setting up protector, after the patient done fixed operation, open the semicircle ring, make the earplug aim at patient's ear, loosen the semicircle ring again, the semicircle ring tightens up under the elastic action, makes earplug and earflap ring hug closely patient's ear, and the effectual emotion that prevents patient when hearing the noise produces the influence to patient to influence patient's inspection.

Drawings

Fig. 1 is a schematic perspective view of a head fixing device for nmr examination of the present invention;

fig. 2 is a schematic diagram of a state of the removal detector of the head fixing device for nuclear magnetic resonance examination according to the present invention;

fig. 3 is a schematic structural view of a fixing mechanism of a head fixing device for nmr examination according to the present invention;

fig. 4 is a schematic structural view of the inside of the headrest of the head fixing device for nmr examination of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 3 of the magnetic resonance examination head fixing device according to the present invention.

Illustration of the drawings: 1. a cross bar; 2. a bed body; 3. a detector; 4. a headrest; 5. a fixing mechanism; 501. a connecting rod; 502. a clamping block; 503. a first bracket; 504. a Y-shaped sliding rod; 505. a gear; 506. a second bracket; 507. a first spring; 508. a rotating shaft; 509. a clamping block; 510. a second spring; 6. a guard; 61. a semicircular ring; 62. connecting blocks; 63. an ear protection ring; 64. an earplug.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-5, the utility model provides a nuclear magnetic resonance inspection head fixing device, including horizontal pole 1 and fixed establishment 5, there is bed body 2 on the surface of horizontal pole 1 through slide rail sliding connection, and the fixed surface of bed body 2 is connected with headrest 4, and headrest 4 is hollow structure, and one side fixed mounting that horizontal pole 1 is close to headrest 4 has detector 3, and one side that headrest 4 is close to detector 3 sets up to smooth curved surface, and curved surface fixed mounting has the silica gel pad to the surface cover of silica gel pad has a nature medical cotton flannel.

The specific arrangement and function of the securing mechanism 5 and guard 6 will be described in detail below.

As shown in fig. 1 and 4, a fixing mechanism 5 is disposed on a surface of the headrest 4, the fixing mechanism 5 includes a rotating shaft 508, one end of the rotating shaft 508 near the headrest 4 penetrates through the surface of the headrest 4 to be rotatably connected with an inner wall of the headrest 4, a gear 505 is fixedly connected to the surface of the rotating shaft 508 near the inside of the headrest 4, second brackets 506 are slidably connected to both top and bottom walls of the headrest 4, both the second brackets 506 are L-shaped, horizontal rods of both the second brackets 506 are slidably inserted into the inside of the headrest 4, a second spring 510 is sleeved on the surface of the rotating shaft 508 near the gear 505, one end of the second spring 510 near the gear 505 is fixedly connected with the gear 505, one end of the second spring 510 far from the gear 505 is fixedly connected with an inner side wall of the headrest 4, the surface of the gear 505 is engaged with both the second brackets 506, the two second brackets 506 are disposed on upper and lower sides of the gear 505, and the two second brackets 506 are, the one end fixedly connected with that pivot 508 is located the headrest 4 outside changes the handle, and the equal fixedly connected with connecting rod 501 in one side that the vertical pole of second support 506 is close to each other, and the one end that the second support 506 was kept away from to connecting rod 501 rotates and is connected with clamp splice 502, and headrest 4 is close to the first support 503 of one side fixedly connected with that changes the handle, and first support 503 is "L" type. Two spouts have been seted up on first support 503's vertical pole surface, and the equal sliding connection in surface of spout has Y type slide bar 504, the equal fixedly connected with fixture block 509 of two arms of Y type slide bar 504, the first spring 507 of surface fixedly connected with of fixture block 509, the one end that fixture block 509 and first support 503's horizontal pole fixed connection are kept away from to first spring 507, one side fixedly connected with silica gel pad of connecting rod 501 is kept away from to clamp splice 502, and the outside fixedly connected with magic subsides of silica gel pad, and the magic subsides have disposable medical cotton flannel, one side that the horizontal pole of two second supports 506 is close to each other all is provided with the tooth's socket, and second support 506 meshes with gear 505 with the help of the tooth's socket mutually.

The whole fixing mechanism 5 has the effects that by arranging the fixing mechanism 5, when a patient lies on the bed body 2, the rotating handle is firstly rotated to enable the gear 505 to rotate, the gear 505 rotates to drive the two second brackets 506 to move towards the direction away from each other so as to enable the two clamping blocks 502 to be spaced, meanwhile, the handle is lifted upwards to enable the Y-shaped sliding rod 504 to move upwards, so that the clamping block 509 tightly presses the first spring 507, at the moment, the patient places the head on the headrest 4, the handle and the rotating handle are released, under the elastic force action of the first spring 507 and the second spring 510, the clamping block 509 and the clamping blocks 502 are tightly attached to the head of the patient, so that the head of the patient cannot be freely flicked, the problem that the head posture which must be kept for a period of time during head nuclear magnetic resonance examination is solved, if the head posture is changed, an image scanned by a nuclear magnetic resonance instrument appears, and the detection is inaccurate, causing the judgment of the doctor to be wrong and being not beneficial to the treatment of the patient.

As shown in fig. 1 and 5, the surface of the first support 503 is provided with the protection device 6, the protection device 6 includes a connection block 62, the surface of the connection block 62 is fixedly connected with the first support 503, one end of the connection block 62, which is far away from the first support 503, is rotatably connected with a semicircular ring 61, the surface of the semicircular ring 61 is fixedly connected with an ear protection ring 63, the number of the ear protection rings 63 is two, the two ear protection rings 63 are respectively located at two ends of the semicircular ring 61, earplugs 64 are fixedly mounted inside the ear protection rings 63, the semicircular ring 61 is made of plastic, and the semicircular ring 61 has elasticity.

The whole protection device 6 has the effects that the protection device 6 is arranged, after a patient is well fixed, the semicircular ring 61 is opened, the earplugs 64 are aligned with the ears of the patient, the semicircular ring 61 is loosened, the semicircular ring 61 is tightened under the elastic action, the earplugs 64 and the ear protection ring 63 are tightly attached to the ears of the patient, the emotion of the patient is effectively prevented from being influenced when the patient hears noise, and therefore the examination of the patient is influenced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A nuclear magnetic resonance examination head fixing device, includes horizontal pole (1) and fixed establishment (5), its characterized in that: the surface of the cross rod (1) is connected with a bed body (2) in a sliding mode through a sliding rail, the surface of the bed body (2) is fixedly connected with a headrest (4), the headrest (4) is of a hollow structure, a detector (3) is fixedly mounted on one side, close to the headrest (4), of the cross rod (1), a fixing mechanism (5) is arranged on the surface of the headrest (4), the fixing mechanism (5) comprises a rotating shaft (508), one end, close to the headrest (4), of the rotating shaft (508) penetrates through the surface of the headrest (4) to be connected with the inner wall of the headrest (4) in a rotating mode, the surface, located inside the headrest (4), of the rotating shaft (508) is fixedly connected with a gear (505), the top wall and the bottom wall of the headrest (4) are connected with second supports (506) in a sliding mode, the second supports (506) are L-shaped, and horizontal rods of the two second supports (506) are inserted into the headrest (4) in a, the surface of the rotating shaft (508) close to the gear (505) is sleeved with a second spring (510), one end of the second spring (510) close to the gear (505) is fixedly connected with the gear (505), one end of the second spring (510) far away from the gear (505) is fixedly connected with the inner side wall of the headrest (4), the surface of the gear (505) is meshed with two second supports (506), the two second supports (506) are positioned on the upper side and the lower side of the gear (505), the two second supports (506) are symmetrically distributed with the gear (505), one end of the rotating shaft (508) positioned on the outer side of the headrest (4) is fixedly connected with a rotating handle, one sides of vertical rods of the second supports (506) close to each other are fixedly connected with connecting rods (501), one end of the connecting rods (501) far away from the second supports (506) is rotatably connected with clamping blocks (502), one side of the headrest (4) close to the rotating handle is fixedly connected with a first support (503), first support (503) is "L" type, two spouts have been seted up on the vertical pole surface of first support (503), and the equal sliding connection in surface of spout has Y type slide bar (504), the equal fixedly connected with fixture block (509) of two arms of Y type slide bar (504), the fixed surface of fixture block (509) is connected with first spring (507), the horizontal pole fixed connection of fixture block (509) and first support (503) is kept away from in first spring (507).

2. A magnetic resonance examination head fixation device as claimed in claim 1, wherein: one side fixedly connected with silica gel pad that connecting rod (501) was kept away from in clamp splice (502), and the outside fixedly connected with magic subsides of silica gel pad to the magic is pasted and is had disposable medical cotton flannel.

3. A magnetic resonance examination head fixation device as claimed in claim 1, wherein: one side of the headrest (4) close to the detector (3) is set to be a smooth curved surface, a silica gel pad is fixedly mounted on the curved surface, and a piece of medical flannelette is sleeved on the surface of the silica gel pad.

4. A magnetic resonance examination head fixation device as claimed in claim 1, wherein: the sides of the horizontal rods of the two second brackets (506) close to each other are provided with tooth grooves, and the second brackets (506) are meshed with the gear (505) through the tooth grooves.

5. A magnetic resonance examination head fixation device as claimed in claim 1, wherein: the surface of first support (503) is provided with protector (6), protector (6) include connecting block (62), the surface and first support (503) fixed connection of connecting block (62), the one end that first support (503) were kept away from in connecting block (62) is rotated and is connected with semicircle ring (61), the fixed surface of semicircle ring (61) is connected with ear protection ring (63), ear protection ring (63) are two, and two ear protection rings (63) are located the both ends of semicircle ring (61) respectively, the inside fixed mounting of ear protection ring (63) has earplug (64).

6. A magnetic resonance examination head fixation device as claimed in claim 5, wherein: the semicircular ring (61) is made of plastic, and the semicircular ring (61) has elasticity.