CN210843510U

CN210843510U - Jaw opening training device

Info

Publication number: CN210843510U
Application number: CN201921214302.3U
Authority: CN
Inventors: 田野
Original assignee: Shijiazhuang Dedu Photoelectric Technology Co ltd
Current assignee: Shijiazhuang Dedu Photoelectric Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-26
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a jaw opening trainer, include: a maxillary rocker; the lower jaw wane is rotationally connected with the upper jaw wane through a rotating shaft; the pushing screw rod is positioned between the upper jaw wane and the lower jaw wane and is rotationally connected with the lower jaw wane; the supporting component is positioned between the upper jaw wane and the lower jaw wane, one end of the supporting component is rotatably connected with the upper jaw wane, the other end of the supporting component is abutted against the lower jaw wane, and the supporting component is further sleeved on the pushing screw rod and is in threaded connection with the pushing screw rod; when the pushing screw rod rotates, the supporting component moves along the axial direction of the pushing screw rod and rotates relative to the upper jaw wane, so that the lower jaw wane is opened or closed relative to the upper jaw wane. The utility model discloses technical scheme can make things convenient for and the accuracy open the lower jaw more.

Description

Jaw opening training device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to jaw opening trainer.

Background

The mandibular joint is a very important chewing joint for our human beings, habitual dislocation of the mandibular joint can be caused due to the reasons of face thinning needle, long-term non-chewing of hard food or bacterial and viral infection, once the mandibular joint dislocation is caused, the patient can not eat, chew or even open the mouth completely. At present, no professional instrument and equipment aiming at opening the mandibular joint exists in the market, doctors still pry open the mandible of a patient by some metal tools to stretch the mandible into the patient for treatment, so that the angle of opening the mandible cannot be accurately controlled, and the operation of medical staff is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a jaw opening trainer, aiming at opening the lower jaw more conveniently and accurately.

In order to achieve the above object, the utility model provides a jaw opening trainer comprises:

a maxillary rocker;

the lower jaw wane is rotationally connected with the upper jaw wane through a rotating shaft;

the pushing screw rod is positioned between the upper jaw wane and the lower jaw wane and is rotationally connected with the lower jaw wane; and

the supporting component is positioned between the upper jaw wane and the lower jaw wane, one end of the supporting component is rotatably connected with the upper jaw wane, the other end of the supporting component is abutted against the lower jaw wane, and the supporting component is further sleeved on the pushing screw rod and is in threaded connection with the pushing screw rod;

when the pushing screw rod rotates, the supporting component moves along the axial direction of the pushing screw rod and rotates relative to the upper jaw wane, so that the lower jaw wane is opened or closed relative to the upper jaw wane.

Optionally, an axial limiting structure is disposed between the mandibular wane and the pushing screw, and the axial limiting structure is configured to limit axial movement of the pushing screw.

Optionally, the axial limiting structure includes a limiting bracket disposed on the lower jaw wane, and two limiting ring ribs disposed on the pushing screw, the limiting bracket is provided with a limiting groove, the pushing screw is rotationally matched with the limiting groove, the two limiting ring ribs are distributed at intervals along an axial direction of the pushing screw, and the two limiting ring ribs are respectively and correspondingly abutted against two opposite sides of the limiting bracket.

Optionally, a positioning support is arranged on the lower jaw wane, a positioning groove is arranged on the positioning support, and the pushing screw is in running fit with the positioning groove.

Optionally, the limit groove and the positioning groove both have an opening facing the maxillary rocker, so that the pushing screw can be taken out of the opening.

Optionally, the limit support and the positioning support are located on the same side of the rotating shaft, and the rotation connection between the support component and the upper jaw wane and the limit support are respectively arranged on two opposite sides of the rotating shaft.

Optionally, a handle portion is provided at an end of the push screw remote from the support assembly.

Optionally, the support assembly includes a support rod and a nut, one end of the support rod is rotatably connected to the upper jaw wane, the other end of the support rod abuts against the lower jaw wane, the nut is rotatably connected to the support rod, and the nut is screwed to the pushing screw.

Optionally, torsion springs are sleeved on the rotating shafts of the upper jaw wane and the lower jaw wane, and the torsion springs are respectively abutted to the upper jaw wane and the lower jaw wane.

Optionally, one end of the upper jaw wane close to the supporting component is provided with a first tooth biting groove, and one end of the lower jaw wane close to the supporting component is provided with a second tooth biting groove

The utility model discloses in, through the mode that sets up promotion screw rod and supporting component, through rotating the promotion screw rod, promote the screw rod and drive the supporting component effect to make upper jaw wane and lower jaw wane open or closed. Meanwhile, the opening angle between the upper jaw wane and the lower jaw wane can be controlled by adjusting the rotation angle of the pushing screw rod, so that the opening angle of the lower jaw can be accurately mastered, and the operation of medical personnel is facilitated.

Drawings

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

Fig. 1 is an exploded schematic view of a jaw opening trainer according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a jaw opening trainer according to another embodiment of the present invention;

FIG. 3 is an exploded view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic structural view of the jaw opening training apparatus shown in FIG. 1;

FIG. 5 is a schematic structural view of the jaw opening training apparatus shown in FIG. 1 in a closed state;

FIG. 6 is a cross-sectional view of the jaw opening trainer of FIG. 5;

FIG. 7 is a schematic structural view of the jaw opening training apparatus of FIG. 1 in an open state;

FIG. 8 is a cut-away view of the jaw opening trainer of FIG. 7;

fig. 9 is a schematic view of the jaw opening training device of the present invention in use.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a jaw opening trainer please combine and refer to fig. 1 to 3, jaw opening trainer includes:

a maxillary rocker 10;

a lower jaw wane 20 which is rotatably connected with the upper jaw wane 10 through a rotating shaft 50;

a pushing member 30 located between the upper jaw-rocker 10 and the lower jaw-rocker 20 and movably connected with the lower jaw-rocker 20, an

A prop member 40 located between the upper jaw-saw 10 and the lower jaw-saw 20, wherein one end of the prop member 40 is rotatably connected to the upper jaw-saw 10, the other end of the prop member 40 abuts against the lower jaw-saw 20, and the prop member 40 is further connected to the pushing member 30;

under the action of the pushing member 30, the prop member 40 rotates to open or close the mandibular paddle 20 relative to the maxillary paddle 10.

In this embodiment, the maxillary fin 10 and the mandibular fin 20 are both substantially rectangular plates, and both side edges of the maxillary fin 10 and the mandibular fin 20 are slightly curled toward the direction of approaching each other, and the ends of the maxillary fin 10 and the mandibular fin 20 for extending into the oral cavity are substantially in the shape of a fish mouth, so as to facilitate extending into the oral cavity.

In an embodiment, two first fixing plates 11 are disposed on the upper jaw-saw 10, the first fixing plate 11 is disposed with a first fixing hole 111, the lower jaw-saw 20 is disposed with two second fixing plates 21, the second fixing plate 21 is disposed with a second fixing hole 211, the first fixing plate 11 and the second fixing plate 21 protrude toward a direction approaching each other, and the rotating shaft 50 sequentially passes through the first fixing hole 111 and the second fixing hole 211. Specifically, the first fastening plate 11 protrudes toward the lower jaw rocker 20, and the two first fastening plates 11 are respectively disposed on two opposite sides of the upper jaw rocker 10, where the two opposite sides refer to two sides of the upper jaw rocker 10 in the width direction. Similarly, the second fixing plate 21 protrudes toward the upper jaw 10, and the two second fixing plates 21 are respectively disposed on two opposite sides of the lower jaw 20, where the two opposite sides refer to two sides of the lower jaw 20 in the width direction. In the assembled state, one of the first fixing plates 11 is overlapped with one of the second fixing plates 21, and the other of the first fixing plates 11 is overlapped with the other of the second fixing plates 21.

By providing the first and

second fixing plates

11 and 21, the maxillary and

mandibular paddles

10 and 20 are spaced apart from each other at a position close to the rotation axis 50, so that the pushing member 30 is inserted between the maxillary and

mandibular paddles

10 and 20, and the pushing member 30 is brought into contact with the supporting member 40. In addition, in other embodiments, only two first fixing plates 11 or only two second fixing plates 21 may be provided.

Referring to fig. 5, it should be noted that the jaw opening training device has a first end 81 and a second end 82 opposite to each other, the first end 81 extends into the oral cavity, the prop member 40 is pivotally connected to the first end 81, i.e. between the first end 81 and the pivot 50, the pushing member 30 extends from the second end 82 into the space between the maxillary rocker 10 and the mandibular rocker 20 to push the prop member 40, and the pushing member 30 is at least partially exposed out of the second end 82.

In the embodiment of the present invention, the pushing member 30 is movably connected to the mandibular rocker 20 in various ways, for example, in one embodiment, the pushing member 30 is rotatably connected to the mandibular rocker 20; in one embodiment, the pushing member 30 is slidably coupled to the mandibular paddle 20, etc.

Specifically, when the maxillary and

mandibular paddles

10 and 20 need to be opened, the pushing member 30 is acted such that the pushing member 30 moves, and at this time the cradling member 40 is rotated relative to the maxillary paddle 10 by the pushing member 30, and at the same time, one end of the cradling member 40 abutting on the mandibular paddle 20 also slides along the mandibular paddle 20 in a direction away from the pushing member 30, and the end always abuts on the mandibular paddle 20, so that the mandibular paddle 20 is opened with respect to the maxillary paddle 10 by being cradled by the cradling member 40, the angle between the maxillary paddle 10 and the mandibular paddle 20 gradually increases, and the opening angle between the maxillary paddle 10 and the mandibular paddle 20 is maximized when the cradling member 40 moves to the vertical state. When the pushing member 30 moves in the opposite direction, the prop member 40 slides in a direction approaching the pushing member 30, the mandibular paddle 20 gradually closes in a direction approaching the maxillary paddle 10, and the angle therebetween gradually decreases until the first ends 81 of the two close.

The utility model discloses in, through the mode that sets up impeller 30 and supporting component 40, through acting on impeller 30, impeller 30 drives supporting component 40 and acts on to make upper jaw wane 10 and lower jaw wane 20 open or closed. Meanwhile, the opening angle between the upper jaw wane 10 and the lower jaw wane 20 can be controlled by adjusting the pushing member 30, for example, adjusting the rotation angle or the sliding distance of the pushing member 30, so that the opening angle of the lower jaw can be accurately controlled, which is beneficial to the operation of medical staff.

Two different configurations of the pusher 30 are described in detail below:

in the first embodiment, the pushing member 30 is a pushing screw rod and is rotatably connected to the lower jaw 20, the supporting assembly 40 includes a supporting rod 41 and a nut 42, one end of the supporting rod 41 is rotatably connected to the upper jaw 10, the other end of the supporting rod 41 abuts against the lower jaw 20, the nut 42 is rotatably connected to the supporting rod 41, and the nut 42 is screwed to the pushing member 30. Specifically, by rotating the pushing member 30, the nut 42 is moved along the axial direction of the pushing member 30, that is, the end of the support rod 41 abutting against the mandibular paddle 20 is moved along the pushing member 30 axially, so that the support rod 41 is rotated, and the maxillary paddle 10 and the mandibular paddle 20 are opened or closed. By rotationally connecting the nut 42 to the support rod 41, it is ensured that the axis of the nut 42 always coincides with the axis of the pushing member 30.

In an embodiment, the nut 42 is provided with two lugs 421, the support rod 41 is correspondingly provided with two lug plates 411, each lug plate 411 is provided with a lug hole 412, and the two lugs 421 are rotatably connected with the two lug holes 412 in a one-to-one correspondence manner. Of course, the manner of rotationally connecting the nut 42 and the support rod 41 is not limited thereto, and in other embodiments, the nut 42 and the support rod 41 may be hinged.

In order to improve the effect of the pushing screw on the nut 42 and the effect of converting the rotational acting force of the pushing screw into the axial moving acting force of the nut 42, in an embodiment, an axial limiting structure is disposed between the mandibular rocker 20 and the pushing screw, and the axial limiting structure is configured to limit the pushing screw to move axially. Referring to fig. 4, in an embodiment, the axial limiting structure includes a limiting bracket 22 disposed on the mandibular wane 20 and two limiting ring ribs 31 disposed on the pushing screw, the limiting bracket 22 is provided with a limiting groove 221, the pushing screw is rotationally matched with the limiting groove 221, the two limiting ring ribs 31 are distributed along the axial direction of the pushing screw at intervals, and the two limiting ring ribs 31 respectively abut against two opposite sides of the limiting bracket 22, so as to prevent the pushing screw from moving back and forth. In addition, in other embodiments, the axial limiting structure may also include two limiting protrusions disposed on the mandibular wane 20 and a limiting convex ring disposed on the pushing screw, the limiting convex ring being clamped between the two limiting protrusions.

In one embodiment, the mandibular rocker 20 is provided with a positioning bracket 23, the positioning bracket 23 is provided with a positioning slot 231, and the pushing screw is rotatably engaged with the positioning slot 231. The swing of the pushing screw rod is avoided by arranging the limiting support 22 and the positioning support 23.

In one embodiment, the position-limiting groove 221 and the position-fixing groove 231 each have an opening facing the maxillary rocker 10, so that the push screw can be taken out of the opening, thus facilitating the assembly of the push screw,

in an embodiment, the position limiting bracket 22 and the positioning bracket 23 are located on the same side of the rotating shaft 50, and the rotating connection between the supporting component 40 and the maxillary rocker 10 and the position limiting bracket 22 are respectively located on two opposite sides of the rotating shaft 50. Thus facilitating the pushing of the screw rod for taking out.

In a specific operation, the pushing screw is inserted between the upper jaw wane 10 and the lower jaw wane 20, and the pushing screw is rotated to drive the supporting rod 41 to rotate, the nut 42 correspondingly changes the angle along with the change of the angles of the supporting rod 41 and the pushing screw, and the pushing screw is pressed downwards after being completely screwed into the nut 42 to be clamped into the limiting support 22 and the positioning support 23. Then, the screw rod is rotated to push, and the opening angle of the upper and lower jaw wanes 20 of the jaw opening trainer can be adjusted. The jaw joint muscle training can be performed by screwing out the pushing screw rod through the elasticity of the torsion spring 60, so that the aim of preventing and treating habitual falling of the jaw joint is fulfilled.

For holding, the end of the push screw remote from the support assembly 40 is provided with a handle portion 32. This handle portion 32 is specifically for promoting the knob of screw tip, and the diameter of knob is great, and is equipped with a plurality of archs on knob week side, prevents that the hand from skidding. Alternatively, the handle portion 32 may be a buckle or the like.

In the second embodiment, the pushing member 30 is slidably connected to the lower jaw paddle 20 and can move back and forth along the opening direction of the opened upper jaw paddle 10 and the lower jaw paddle 20. In particular, the pusher 30 and the support assembly 40 are only in mutual abutment, thus facilitating the extraction of the pusher 30 after the mandible is opened. Of course, in other embodiments, the pushing member 30 and the supporting member 40 can be connected by a snap fit or other means.

In one embodiment, the mandibular rocker 20 has a sliding slot therein, and the prop member 40 is slidably engaged with the sliding slot. This provides a guiding effect for the support member 40, preventing the support member 40 from shifting. In an embodiment, the lower jaw wane 20 is provided with a sliding block 241, and the sliding slot is formed on the sliding block 241. In this manner, the prop member 40 slides on the slider 241, avoiding direct wear on the mandibular rocker 20. In an embodiment, two sliding blocks 241 are disposed on the mandibular rocker 20, the two sliding blocks 241 are disposed at intervals, the sliding blocks 241 extend along the sliding direction of the supporting member 40 to form a long bar shape, each sliding block 241 is disposed with a stop block 242, the supporting member 40 slides on the sliding block 241, and the sliding slot is formed between the two stop blocks 242. The two sliders 241 reduce the contact area with the support member 40, so that the support member 40 has better effect when sliding and slides more smoothly. In addition, in other embodiments, a chute is provided directly on the mandibular paddle 20.

In an embodiment, the supporting component 40 is provided with a matching groove 413, that is, the supporting rod 41 is provided with a matching groove 413, when the maxillary rocker 10 and the mandibular rocker 20 are closed, the rotating shaft 50 is clamped into the matching groove 413, at this time, the supporting component 40 is limited by the rotating shaft 50, when the pushing screw rod is inserted between the maxillary rocker 10 and the mandibular rocker 20, the pushing screw rod is aligned with the nut 42, and due to the limiting effect of the rotating shaft 50 on the supporting component 40, the movement of the supporting component 40 is avoided, so that the pushing screw rod can be accurately screwed into the nut 42.

In one embodiment, the supporting member 40, i.e. the supporting rod 41, is provided with a protrusion 414, and the protrusion 414 is provided with the matching groove 413. By providing the projection 414 on the support rod 41 instead of making the entire support rod 41 thick, material saving can be achieved while ensuring that the fitting groove 413 is in contact with the rotation shaft 50.

In an embodiment, the rotating shafts 50 of the upper and lower facial wanes 10 and 20 are sleeved with torsion springs 60, and the torsion springs 60 respectively abut against the upper and lower facial wanes 10 and 20, so as to realize the opening and closing reset between the upper and lower facial wanes 10 and 20.

In one embodiment, the upper jaw paddle 10 has a first bite groove 12 at one end adjacent to the supporting member 40 and the lower jaw paddle 20 has a second bite groove 25 at one end adjacent to the supporting member 40, so that teeth can bite into the first and

second bite grooves

12 and 25 to prevent slippage.

In one embodiment, the upper jaw wane 10 is provided with two mounting plates, two mounting plates are arranged at intervals, each mounting plate is provided with a mounting hole, and the supporting component 40 is rotatably connected with the two mounting holes through a connecting shaft 70.

Specifically, when in use, the pushing screw is screwed to the outermost side, the upper and lower jaw wanes 20 are closed to form a shovel shape, and the figures after the jaw opening trainer is closed refer to fig. 5 and 6. As shown in fig. 9, the user holds the maxillary rocker 10 in his or her hand and inserts it between the upper and lower teeth until the teeth enter the first and second biting

grooves

12 and 25. Then the screw rod is rotated and pushed, the nut 42 is driven, and the support rod 41 is driven to jack up forwards, so that the aim of prying open the lower jaw is achieved. Fig. 7 and 8 show the jaw opening training device after it is opened. Jaw sled back doctor can insert the patient mouth from open-ended both sides through the opening of both sides with the both hands thumb, the jaw joint of dislocation resets, after the completion resets, will promote the screw rod perk, make it break away from spacing support 22 and fix a position and hold in the palm 23 back and lift the back and screw out, will promote the screw rod and thoroughly take out, at this moment the patient can carry out the interlock training, owing to there is torsional spring 60's elastic force effect, the patient can carry out the muscle training of jaw joint constantly under the constantly opening and shutting of upper jaw wane 10 and lower jaw wane 20.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. A jaw opening trainer, comprising:

a maxillary rocker;

2. The jaw opening trainer as claimed in claim 1, wherein an axial stop is provided between the mandibular rocker and the push screw, the axial stop being configured to limit axial movement of the push screw.

3. The jaw opening trainer as claimed in claim 2, wherein the axial limiting structure comprises a limiting bracket disposed on the mandibular wane and two limiting ring ribs disposed on the pushing screw, the limiting bracket having a limiting groove, the pushing screw being rotatably engaged with the limiting groove, the two limiting ring ribs being spaced apart from each other along the axial direction of the pushing screw, and the two limiting ring ribs respectively abutting against two opposite sides of the limiting bracket.

4. The jaw opening trainer as claimed in claim 3, wherein the mandibular rocker is provided with a positioning bracket, the positioning bracket being provided with a positioning slot, the pushing screw being rotatably engaged with the positioning slot.

5. The jaw opening trainer as claimed in claim 4, wherein said restraint slot and said positioning slot each have an opening facing said maxillary rocker to enable said pusher screw to be removed from said opening.

6. The jaw opening trainer as claimed in claim 5, wherein the limit bracket and the positioning bracket are located on the same side of the pivot, and the rotation connection between the support component and the upper jaw wane and the limit bracket are separately located on two opposite sides of the pivot.

7. The jaw opening trainer as claimed in claim 1, wherein the end of the push screw remote from the support assembly is provided with a handle portion.

8. The jaw opening trainer as claimed in any one of claims 1 to 7, wherein the support assembly comprises a support rod and a nut, one end of the support rod is rotatably connected to the upper jaw plate, the other end of the support rod abuts against the lower jaw plate, the nut is rotatably connected to the support rod, and the nut is threadedly connected to the pushing screw.

9. The jaw opening trainer as claimed in claim 1, wherein torsion springs are sleeved on the rotating shafts of the upper and lower jaw rockers, and the torsion springs abut against the upper and lower jaw rockers, respectively.

10. The jaw opening trainer as claimed in claim 1, wherein the upper jaw rocker has a first bite on one end thereof adjacent to the support member and the lower jaw rocker has a second bite on one end thereof adjacent to the support member.