CN213851128U

CN213851128U - Mouth gag for department of stomatology

Info

Publication number: CN213851128U
Application number: CN202022514991.9U
Authority: CN
Inventors: 李淑华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-08-03
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses an oral cavity mouth gag for internal medicine relates to medical instrument technical field. The utility model discloses a tooth socket under the arc of tooth department under the oral cavity is established to the set, the tooth socket is located its inner arc one side and is fixed with a hyoplastron subassembly that is used for pushing down the tongue under the arc, hyoplastron subassembly is just kept away from along its length direction tooth socket one end pivotally connected with one end is used for the cover to establish tooth subassembly on the arc of tooth part on the oral cavity under the arc, still includes one and is used for adjusting tooth socket under the arc with tooth subassembly forms opening angle's angle adjusting part on the arc. The utility model discloses a tooth subassembly entangles oral cavity tooth under the arc on facing and the arc to its pivot point forms the contained angle and opens the oral cavity, has avoided opening the oral cavity because of using the lip contact to cause the long-time oppression of lip muscle to damage and can adjust tooth subassembly formation certain opening angle under facing and the arc through the angle adjustment subassembly, has solved the problem that the size of opening and shutting of mouth gag can't adapt to different patient's uses.

Description

Mouth gag for department of stomatology

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to mouth gag for department of stomatology.

Background

The mouth is the initial part of the digestive tract. The anterior part is communicated with the outside through the cleft mouth, and the posterior part is continued with the pharynx through the angina. There are organs such as teeth and tongue in the oral cavity. The front wall of the oral cavity is lip, the side wall is cheek, the top is palate, the bottom of the oral cavity is mucous membrane and muscle. The oral cavity is divided into an oral cavity vestibule at the front outer side and an inherent oral cavity at the back inner side by the upper dental arch and the lower dental arch.

When a patient performs oral surgery, in order to expose the surgical field, the mouth gag is needed to keep the oral cavity of the patient in an open state, and the opening and closing size of the existing mouth gag is fixed, so that the mouth gag cannot be suitable for different patients to use. And the upper and lower plywood of current mouth gag is mostly through opening the oral cavity with patient's lip contact, and patient's tooth still can open and shut in certain extent, can not expose the field of vision in the oral cavity completely and the lip is unsuitable for oppression for a long time as musculature, it is very important to design a suitable mouth gag that department of stomatology used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the size is fixed for solving to open and shut, and unable patient that adapts to the difference uses and patient's tooth still can open and shut in the certain limit, the unable problem that exposes the field of vision in the oral cavity completely, the utility model provides an oral cavity mouth gag for internal medicine.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the mouth gag for the department of stomatology comprises an arc-shaped lower tooth socket which is arranged at the lower tooth of a mouth, wherein a tongue plate component used for pressing a tongue is fixed on one side of the inner arc of the arc-shaped lower tooth socket, the tongue plate component is in pivoting connection with an arc-shaped upper tooth component which is arranged on the upper tooth part of the mouth in a sleeved mode along the length direction of the tongue plate component and is far away from one end of the arc-shaped lower tooth socket, and the mouth gag further comprises an angle adjusting component used for adjusting the opening angle formed by the arc-shaped lower tooth socket and the arc-shaped upper tooth component.

Furthermore, the arc-shaped upper tooth assembly comprises a connecting plate which is pivotally connected with the tongue plate assembly, and an arc-shaped upper tooth socket which is sleeved on the oral upper tooth part is fixed at one end of the connecting plate, which is far away from the pivot point.

Furthermore, the tongue plate assembly comprises a tongue plate which is pivotally connected with the connecting plate and used for pressing the tongue, a limiting rod used for supporting the connecting plate is fixed above the tongue plate, and the limiting rod limits an included angle formed by the connecting plate and the tongue plate around a pivot point to be not smaller than a certain angle.

Further, the angle adjustment assembly comprises an upper connecting rod hinged to the upper tooth socket on the arc and a lower connecting rod hinged to the lower tooth socket on the arc, the non-connecting end of the upper connecting rod is pivotally connected with a power plate, one end of the power plate is far away from the non-connecting end of the upper connecting rod and the non-connecting end of the lower connecting rod are pivotally connected, a sliding groove is formed in the power plate, and the angle adjustment assembly further comprises a driving assembly for providing power for the power plate.

Furthermore, the driving assembly comprises a threaded rod which is parallel to the tongue plate and one end of which is fixed on the limiting rod, the threaded rod penetrates through the chute of the power plate, and the driving assembly further comprises a nut which is in threaded connection with the threaded rod and is used for driving the power plate to move along the length direction of the threaded rod.

Further, the arc length of the arc-shaped upper tooth socket is smaller than that of the arc-shaped lower tooth socket.

The utility model has the advantages as follows:

1. the utility model discloses a tooth subassembly entangles oral cavity tooth under the arc on facing and the arc to its pivot point forms the contained angle and opens the oral cavity, has avoided opening the oral cavity because of using the lip contact and has caused the long-time oppression damage of lip muscle.

2. The utility model discloses an angle adjustment assembly can adjust tooth cover and arc on the arc and form certain opening angle, has solved the problem that the size that opens and shuts of mouth gag can't adapt to different patients and use.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

reference numerals: 1. an arc-shaped lower tooth socket; 2. a flap assembly; 21. a tongue plate; 22. a restraining bar; 3. an arcuate upper tooth assembly; 31. a connecting plate; 32. an arc-shaped upper tooth socket; 4. an angle adjustment assembly; 41. an upper connecting rod; 42. a lower connecting rod; 43. a power plate; 44. a drive assembly; 441. a threaded rod; 442. and (4) a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in figures 1 and 2, the mouth gag for the department of stomatology comprises an arc-shaped lower tooth socket 1 which is arranged at the lower tooth of the oral cavity, the arc-shaped lower tooth socket 1 is sleeved at the upper half part of the lower tooth, the tooth socket of the tooth part sleeved by the arc-shaped lower tooth socket 1 has the tension for clamping the teeth, a tongue plate component 2 for pressing the tongue is fixed at one side of the inner arc of the arc-shaped lower tooth socket 1, the tongue can be prevented from being disordered by pressing the tongue, a doctor can better observe the oral cavity or perform treatment, the tongue plate component 2 is pivotally connected with an arc-shaped upper tooth component 3 which is sleeved at the upper tooth part of the oral cavity along the length direction and is far away from one end of the arc-shaped lower tooth socket 1, an angle adjusting component 4 for adjusting the opening angle formed by the arc-shaped lower tooth socket 1 and the arc-shaped upper tooth component 3 is further included, when the oral cavity opening is needed, the tooth socket of the arc-shaped lower tooth socket 1 is pressed into the lower tooth, and due to the tension, the tooth socket of the arc-shaped lower tooth socket 1 is closely matched with the lower tooth, at this time, the arc-shaped upper teeth assembly 3 is also placed on the upper teeth portion, and then the angle adjusting assembly 4 is adjusted to an angle convenient for observation and treatment.

As shown in fig. 1 and 2, the arc-shaped upper dental component 3 comprises a connecting plate 31 pivotally connected with the tongue plate component 2, an arc-shaped upper dental socket 32 for being sleeved on the upper dental part of the oral cavity is fixed at one end of the connecting plate 31 far away from the pivot point, the arc-shaped upper dental socket 32 is sleeved on the lower half part of the upper dental part, and the arc-shaped upper dental socket 32 is sleeved on the dental alveolus of the dental part to have tension for clamping teeth.

As shown in fig. 1 and 2, the tongue plate assembly 2 comprises a tongue plate 21 pivotally connected to the connecting plate 31 and used for pressing the tongue, a limiting rod 22 for abutting against the connecting plate 31 is fixed above the tongue plate 21, the limiting rod 22 limits an included angle formed by the connecting plate 31 and the tongue plate 21 around a pivot point to be not less than a certain angle, as can be clearly seen in fig. 2, the included angle formed by the connecting plate 31 and the tongue plate 21 around the pivot point is an angle at which the device can be just placed when the mouth is normally opened, so the limiting rod 22 is arranged to limit the connecting plate 31 and the tongue plate 21 to form an initial minimum angle around the pivot point.

As shown in fig. 1 and 3, the angle adjusting assembly 4 includes an upper connecting rod 41 hinged to the arc-shaped upper dental mouthpiece 32 and a lower connecting rod 42 hinged to the arc-shaped lower dental mouthpiece 1, a power plate 43 is pivotally connected to a non-connecting end of the upper connecting rod 41, one end of the power plate 43 away from the upper connecting rod 41 is pivotally connected to a non-connecting end of the lower connecting rod 42, a sliding slot is formed on the power plate 43, and a driving assembly 44 for supplying power to the power plate 43 is further included.

As shown in fig. 1 and 3, the driving assembly 44 includes a threaded rod 441 parallel to the tongue plate 21 and having one end fixed to the limiting rod 22, the threaded rod 441 passes through a sliding slot of the power plate 43, the inner diameter of the sliding slot is 0.02mm larger than the outer diameter of the threaded rod 441, and the sliding portion of the inner diameter is highly polished, and a nut 442 in threaded connection with the threaded rod 441 and used for driving the power plate 43 to move along the length direction of the threaded rod 441, when power needs to be supplied, the nut 442 is rotated, at this time, the nut 442 pushes the power plate 43 to slide along the threaded rod 441, at this time, the upper connecting rod 41 and the lower connecting rod 42 rotate, and the arc-shaped upper braces 32 and the arc-shaped lower braces 1 are driven to open to a proper angle.

As shown in fig. 1, the arc length of the arc upper tooth socket 32 is smaller than the arc length of the arc lower tooth socket 1, and as shown in fig. 1, the arc length of the arc upper tooth socket 32 is smaller than the arc length of the arc lower tooth socket 1 so as to avoid the problem that the upper part of the oral cavity cannot be opened to the same size as the lower part of the oral cavity and cannot be put into the oral cavity when the arc upper tooth socket 32 and the arc lower tooth socket 1 are clamped into teeth.

Claims

1. The mouth gag for the department of stomatology is characterized by comprising an arc-shaped lower tooth socket (1) which is arranged at a lower tooth of a mouth, wherein the arc-shaped lower tooth socket (1) is positioned on one side of an inner arc of the arc-shaped lower tooth socket and is fixedly provided with a tongue plate component (2) used for pressing a tongue, one end of the tongue plate component (2) which is positioned along the length direction of the arc-shaped lower tooth socket and is far away from the arc-shaped lower tooth socket (1) is pivotally connected with an arc-shaped upper tooth component (3) used for being sleeved on a tooth part of the mouth, and the mouth gag further comprises an angle adjusting component (4) used for adjusting the opening angle formed by the arc-shaped lower tooth socket (1) and the arc-shaped upper tooth component (3).

2. The mouth gag for the department of stomatology according to claim 1, characterised in that the arc upper teeth assembly (3) comprises a connecting plate (31) pivotally connected to the flap assembly (2), and an arc upper teeth sleeve (32) for fitting over the oral upper teeth part is fixed to one end of the connecting plate (31) away from the pivot point.

3. The mouth gag for the department of stomatology according to claim 2, characterised in that the flap assembly (2) comprises a flap (21) pivotally connected to the connecting plate (31) and adapted to hold down the tongue, a restraining bar (22) adapted to abut against the connecting plate (31) is fixed above the flap (21), and the restraining bar (22) restrains the angle formed by the connecting plate (31) and the flap (21) around the pivot point from being not smaller than a certain angle.

4. The mouth gag for the department of stomatology according to claim 3, characterized in that the angle adjusting assembly (4) comprises an upper connecting rod (41) hinged to the arc-shaped upper mouthpiece (32) and a lower connecting rod (42) hinged to the arc-shaped lower mouthpiece (1), the unconnected end of the upper connecting rod (41) is pivotally connected to a power plate (43), the end of the power plate (43) remote from the upper connecting rod (41) is pivotally connected to the unconnected end of the lower connecting rod (42), the power plate (43) is configured with a sliding slot, and the mouth gag further comprises a driving assembly (44) for supplying power to the power plate (43).

5. The mouth gag for the department of stomatology according to claim 4, characterised in that the driving assembly (44) comprises a threaded rod (441) parallel to the tongue plate (21) and fixed at one end to the limiting rod (22), the threaded rod (441) passing through the sliding slot of the power plate (43), and a nut (442) in threaded connection with the threaded rod (441) for driving the power plate (43) in the direction of the length of the threaded rod (441).

6. The mouth gag for the department of stomatology according to claim 2, characterised in that the arc-shaped length of the arc-shaped upper mouthpiece (32) is smaller than the arc-shaped length of the arc-shaped lower mouthpiece (1).