阅读说明：本技术 一种磁共振检查张口位固定装置 (Open mouth position fixing device for magnetic resonance examination ) 是由 邓和平 杨柳 龚辉 王闽 于 2020-12-22 设计创作，主要内容包括：本发明涉及医疗器材技术领域,具体的涉及到一种磁共振检查张口位固定装置,包括安装板,所述安装板的一面固定安装有第一面板,所述第一面板下方的安装板上开设有第一滑动槽,所述第一滑动槽上滑动安装有第二面板,且所述第一面板和第二面板相互远离的一面均安装有咬垫；所述安装板的另一面安装有转动盘,所述转动盘通过升降结构与所述第二面板连接,所述转动盘用于转动调节所述第二面板在所述第一滑动槽上的位置。本发明解决了现有的固定装置调节不便,容易造成咬合板顶撞受检者口腔的问题,同时,其操作简单、舒适度良好、符合人体口腔牙龈结构。(The invention relates to the technical field of medical equipment, in particular to a magnetic resonance examination opening position fixing device which comprises a mounting plate, wherein a first panel is fixedly mounted on one surface of the mounting plate, a first sliding groove is formed in the mounting plate below the first panel, a second panel is slidably mounted on the first sliding groove, and biting pads are mounted on the surfaces, far away from each other, of the first panel and the second panel; the rotating disc is installed on the other side of the installing plate and is connected with the second panel through a lifting structure, and the rotating disc is used for rotatably adjusting the position of the second panel on the first sliding groove. The invention solves the problems that the existing fixing device is inconvenient to adjust and is easy to cause the bite plate to push against the oral cavity of a detected person, and meanwhile, the invention has simple operation and good comfort level and conforms to the gum structure of the oral cavity of a human body.)

1. The opening position fixing device for the magnetic resonance examination is characterized by comprising a mounting plate (2), wherein a first panel (3) is fixedly mounted on one surface of the mounting plate (2), a first sliding groove (21) is formed in the mounting plate (2) below the first panel (3), a second panel (4) is slidably mounted on the first sliding groove (21), and biting pads (31) are mounted on the surfaces, far away from each other, of the first panel (3) and the second panel (4); rolling disc (1) is installed to the another side of mounting panel (2), rolling disc (1) through elevation structure with second panel (4) are connected, rolling disc (1) are used for rotating the regulation second panel (4) are in position on first sliding tray (21).

2. The magnetic resonance examination opening position fixing device is characterized in that the lifting structure comprises a lifting rod (5), an accommodating pipe (6), a gear (7) and a rotating rod (8), the rotating disc (1) is connected with the gear (7) installed in the installation plate (2) through the rotating rod (8), one surface, far away from the rotating rod (8), of the gear (7) is connected with one end of a limiting rod (9), the limiting rod (9) is located in the direction of the extension line of the rotating rod (8), and the other end of the limiting rod (9) is provided with a limiting plate (91); the accommodating pipe (6) is of a hollow structure, the lower end of the lifting rod (5) is slidably mounted in the accommodating pipe (6), insections (51) are arranged at the upper end of the lifting rod (5), the insections (51) are meshed with the gear (7), and the upper end of the lifting rod (5) is fixedly connected with the second panel (4);

mounting panel (2) is inside just right be equipped with spacing blind hole (22) in the one side of gag lever post (9), gag lever post (9) insert in spacing blind hole (22), just spacing blind hole (22) bottom is equipped with a plurality of spacing grooves (221), spacing groove (221) are used for accomodating limiting plate (91), and the restriction dwang (8) and the rotation of gag lever post (9), and work as limiting plate (91) are located during spacing groove (211), insection (51) still with gear (7) meshing.

3. The magnetic resonance examination open-mouth position fixing device is characterized in that an anti-falling block (81) is arranged between the rotating disc (2) and the gear (7) of the rotating rod (8), and the anti-falling block (81) is used for preventing the limiting rod (9) from falling off from the inside of the limiting blind hole (22).

4. A mri open-mouth position fixing device as claimed in claim 3, characterized in that said first panel (3) and said second panel (4) are detachably connected to both of said bite pads (31).

5. The device for fixing the open mouth position for magnetic resonance examination as claimed in claim 4, wherein the bite pad (31) is made of silica gel material.

6. A magnetic resonance examination open-mouth position fixing device as claimed in claim 5, characterized in that the front of the bite pad (31) is provided with a bite groove (311).

7. A magnetic resonance examination stoma site fixing device according to claim 6, wherein the first panel (3) and the second panel (4) are both provided with a second sliding groove (32), a sliding block (321) is slidably mounted in the second sliding groove (32), the sliding block (321) is upwardly connected with a sleeve plate (323) through a vertical column (322), the back of the bite pad (31) is provided with a sleeve opening, and the bite pad (31) is mounted on the sleeve plate (31) through the sleeve opening.

8. The magnetic resonance examination open-mouth position fixing device as claimed in claim 7, wherein the gear (7) and the lifting rod (5) are made of polyphenylene sulfide material.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a fixing device for a magnetic resonance examination opening position.

Background

The temporomandibular joint needs to be checked in the mouth opening position during the magnetic resonance scanning, the examinee needs to keep the mouth opened to the maximum extent during the mouth opening position checking, but the examinee can not keep the maximum mouth opening state for a long time due to the long time of the magnetic resonance scanning, and the examinee bites a cork or other solid matters to check in the mouth opening position conventionally at present.

Due to individual differences of the examined persons and pathological and physiological differences of temporomandibular joints, the maximum mouth opening amplitude of each examined person is inconsistent, and the size of solid matters such as corks cannot be changed at any time, so that the examined person is difficult to reach the maximum mouth opening state.

Also there is a mouthful fixing device that opens with adjustable degree of opening among the prior art, adjust the distance between two bite-block pieces through the mode that directly stirs the bite-block piece with the hand, it is fixed to realize the biggest mouth position that opens of examinee, this kind of mode, it is difficult once only to adjust the height that accords with the biggest mouth position of examinee with the distance between two bite-block pieces, simultaneously, directly stir the adjustment mode of bite-block piece with the hand, it is excessive to exert oneself when also taking place to adjust easily, cause the bite-block top to hit the examinee's oral cavity, thereby lead to the examinee's oral cavity pain even.

Disclosure of Invention

The invention aims to solve the problems that the existing fixing device mentioned in the background is inconvenient to adjust and is easy to cause the bite plate to collide with the oral cavity of a subject.

In order to solve the problems in the background, the invention provides a magnetic resonance examination opening position fixing device, which comprises a mounting plate, wherein a first panel is fixedly mounted on one surface of the mounting plate, a first sliding groove is formed in the mounting plate below the first panel, a second panel is slidably mounted on the first sliding groove, and biting pads are mounted on the surfaces, far away from each other, of the first panel and the second panel; the rotating disc is installed on the other side of the installing plate and is connected with the second panel through a lifting structure, and the rotating disc is used for rotatably adjusting the position of the second panel on the first sliding groove.

It can be understood that when the magnetic resonance examination open-mouth position fixing device disclosed by the invention is used, a person to be examined bites the bite pads on the first panel and the second panel, and then medical staff rotates the rotating disc of the device to adjust the distance between the two panels until the maximum open-mouth position of the person to be examined is realized. This device adjusts the distance of first panel and second panel through the rotation of rolling disc, and the speed that can two panels alternate segregation of effectual control prevents that the panel from bumping the examinee's oral cavity, also is convenient for medical personnel's operation.

Furthermore, the lifting structure comprises a lifting rod, a containing pipe, a gear and a rotating rod, the rotating disc is connected with the gear arranged in the mounting plate through the rotating rod, one side, far away from the rotating rod, of the gear is connected with one end of a limiting rod, the limiting rod is located in the direction of the extension line of the rotating rod, and a limiting plate is arranged at the other end of the limiting rod; the containing pipe is of a hollow structure, the lower end of the lifting rod is slidably mounted in the containing pipe, insections are arranged at the upper end of the lifting rod and are meshed with the gear, and the upper end of the lifting rod is fixedly connected with the second panel.

The mounting panel is inside just right be equipped with spacing blind hole in the one side of gag lever post, the gag lever post inserts in the spacing blind hole, just spacing blind hole bottom is equipped with a plurality of spacing grooves, the spacing groove is used for accomodating the limiting plate, and the restriction the rotation of dwang and gag lever post, and work as the limiting plate is located during the spacing groove, the insection still with gear engagement.

It can be understood that, when rotating the rolling disc, the upper end of lifter begins to rise or descend, and the second panel begins to rise or descend promptly, when observing that the second panel reaches the assigned position, presses the rolling disc for the limiting plate inserts in the spacing groove, realizes the rigidity of second panel, and the convenient realization of this kind of design the lift adjustment and the rigidity of second panel.

Furthermore, the dwang is located the rolling disc with be equipped with the anticreep piece between the gear, the anticreep piece is used for preventing the gag lever post is followed spacing blind hole is inside to drop.

It can be understood that when the position fixing of the second panel is released, the rotating disc needs to be pulled outwards slightly to separate the limiting plate from the limiting groove, and the anti-falling block is used for preventing the limiting rod from falling off from the limiting blind hole when the rotating disc is pulled outwards, namely preventing the insection from being disengaged from the gear.

Furthermore, the first panel and the second panel are detachably connected with the two bite pads.

It will be appreciated that this arrangement facilitates removal of the two bite pads for sterilization or replacement after use of the device.

Furthermore, the bite pad is made of a silica gel material.

It can be understood that the silicone material is non-toxic and has good deformability, and the bite pad made of the silicone material is beneficial to improving the examination comfort of the examinee.

Furthermore, the front surface of the biting pad is provided with a biting groove.

It will be appreciated that the design of the bite grooves facilitates more secure engagement of the bite pads of the device by the subject.

Further, all be equipped with the second sliding tray on first panel and the second panel, slidable mounting has the sliding block in the second sliding tray, the sliding block upwards is connected with the lagging through the stand, sting to fill up the back and be equipped with the running-on, sting to fill up and pass through the running-on install on the lagging.

It can be understood that, when a person opens the mouth, the upper and lower rows of gum are not always aligned in the vertical direction, and there is a continuous slight dislocation. Consequently, the bite of this device is filled up and is installed through the looping at the back on the lagging, realize can with sliding together of lagging and sliding block, when the person of being examined bites on two bite and fills up and begin to adjust the distance between two panels of this device, two bite fill up can be along with the person of being examined gum automatic sliding dislocation together at the in-process that constantly rises to guarantee the more firm interlock of person of being examined and better examined the comfort level.

Furthermore, the gear and the lifting rod are made of polyphenylene sulfide materials.

The gear and the lifting rod made of the polyphenylene sulfide material have long service life, and meanwhile, the polyphenylene sulfide material is a non-metal material and cannot interfere nuclear magnetic inspection.

In summary, the invention provides a magnetic resonance examination mouth opening position fixing device, which adjusts the distance between a first panel and a second panel through the rotation of a rotating disc, and solves the problems that the existing fixing device is inconvenient to adjust and is easy to cause an occlusal plate to collide with the oral cavity of a subject. Meanwhile, the operation is simple, the comfort level is good, and the gum structure of the oral cavity of the human body is met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an open-mouth position fixing device for magnetic resonance examination according to an embodiment;

FIG. 2 is a schematic view of an elevating structure of a magnetic resonance examination open-mouth position fixing device according to an embodiment;

FIG. 3 is a schematic diagram of a position structure of a rotating rod and a limiting rod disclosed in the embodiment;

FIG. 4 is a schematic cross-sectional structure view of a blind limiting hole in an installation plate according to an embodiment;

FIG. 5 is a schematic cross-sectional view of a sliding slot and a strap according to an embodiment of the disclosure;

1-a rotating disc, 2-a mounting plate, 3-a first panel, 4-a second panel, 5-a lifting rod, 6-a containing pipe, 7-a gear, 8-a rotating rod and 9-a limiting rod;

21-a first sliding groove, 22-a limiting blind hole, 31-an occlusion pad, 32-a second sliding groove, 51-insections, 81-an anti-drop block and 91-a limiting plate;

222-limit groove, 311-biting groove, 321-sliding block, 322-upright post, 323-loop plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1 to 5:

the invention discloses a fixing device for a magnetic resonance examination opening position, which comprises a mounting plate 2, wherein a first panel 3 is fixedly mounted on one surface of the mounting plate 2, a first sliding groove 21 is formed in the mounting plate 2 below the first panel 3, a second panel 4 is slidably mounted on the first sliding groove 21, and biting pads 31 are mounted on the surfaces, far away from each other, of the first panel 3 and the second panel 4; the other side of mounting panel 2 has rolling disc 1, rolling disc 1 through elevation structure with second panel 4 is connected.

As shown in fig. 2 and fig. 3, the lifting structure includes a lifting rod 5, a containing pipe 6, a gear 7 and a rotating rod 8, the rotating disc 1 is connected with the gear 7 installed inside the mounting plate 2 through the rotating rod 8, a circular anti-falling block 81 is arranged on the rotating rod 8, the circular anti-falling block 81 is located between the rotating disc 1 and the gear 7, one side of the gear 7, which is far away from the rotating rod 8, is connected with a limiting rod 9, the limiting rod 9 is located in the direction of the extension line of the rotating rod 8, and the other end of the limiting rod 9 is provided with a limiting plate 91; the containing pipe 6 is of a hollow structure, the lower end of the lifting rod 5 is slidably mounted in the containing pipe 6, insections 51 are arranged at the upper end of the lifting rod 5, the insections 51 are meshed with the gear 7, and the upper end of the lifting rod 5 is fixedly connected with the second panel 4.

As shown in fig. 4, a limiting blind hole 22 is formed in one surface of the mounting plate 2, which faces the limiting rod 9, the limiting rod 9 is inserted into the limiting blind hole 22, and a plurality of limiting grooves 222 are formed in the bottom of the limiting blind hole 22.

In this embodiment, the limiting plates 91 are arc-shaped plates, the limiting grooves 221 are arc-shaped grooves matched with the limiting plates, and the number of the limiting grooves 221 is equal to that of the limiting plates 91.

The gear 7 and the lifting rod 5 are made of polyphenylene sulfide materials, the thickness of the gear 7 or the insection 51 needs to be satisfied, and when the anti-falling block 81 is touched on the inner wall of the mounting plate 2 close to one side of the rotating disc 1 and the limiting plate 91 is inserted into the limiting groove 221, the gear 7 can be engaged with the insection 51.

Further, as shown in fig. 5, in the present embodiment, the bite pads 31 are made of a silicone material, and the first panel 3 and the second panel 4 are detachably connected to the two bite pads 31. Specifically, all be equipped with second sliding tray 32 on first panel 3 and the second panel 4, slidable mounting has sliding block 321 in the second sliding tray 32, sliding block 321 upwards is connected with lagging 323 through stand 322, sting the back of pad 31 and being equipped with the running-on, sting pad 31 and passing through running-on detachable installs on the lagging 31. For example, the installation and removal of the pad is similar to the installation of a sofa cover on a sofa, because the bite pad 31 is made of silicone material in this embodiment, the silicone has good elastic deformation capability, i.e. it can be stretched slightly and then put on the cover plate 31 when in use.

Furthermore, the front surface of the bite pad 31 is provided with a bite groove 311, preferably, the bite groove 311 has an arc structure to conform to the gingival structure of a human body, and the stability of the bite is increased. It can be understood that, this device is when using, and the upper and lower gum of examinee respectively the interlock sting in the groove 311 on two panels of this device, then medical personnel rotate rolling disc 1, and the rotation of rolling disc 1 drives the rotation of gear 7 to the drive the upper end of lifter 5 begins to rise, and second panel 4 with lifter 5 upper end fixed connection also begins to rise promptly, rises to the assigned position after second panel 4, presses rolling disc 1, will limiting plate 91 inserts in the spacing groove 221, realize the fixed of second panel 4 promptly.

Similarly, when the device is used, the rotating disc 1 is pulled outwards to unlock the lifting function, and the height of the second panel 4 is adjusted again. It can be understood that the anti-slip block 81 is disposed on the rotating rod 8 of the device, and the anti-slip block 81 can prevent the gear 7 from disengaging from the insection 51 due to excessive force when the rotating disk 1 is pulled outwards.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.