CN210494024U

CN210494024U - Oral cavity mouth gag

Info

Publication number: CN210494024U
Application number: CN201920766908.1U
Authority: CN
Inventors: 宋明
Original assignee: Sun Yat Sen University; Sun Yat Sen University Cancer Center
Current assignee: Sun Yat Sen University; Sun Yat Sen University Cancer Center
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-05-12
Anticipated expiration: 2029-05-27

Abstract

The utility model relates to an oral cavity mouth gag, which comprises a frame body, a jaw plate and a tongue protection adjusting component, wherein the jaw plate and the tongue protection adjusting component are arranged on the frame body and are respectively arranged at the two opposite ends of the frame body; the tongue protection adjusting assembly comprises a supporting rod, a telescopic rod sleeved in the supporting rod, a first fixing bolt connected with the telescopic rod and a tongue protection plate, and the first fixing bolt drives the telescopic rod and the tongue protection plate to move transversely. The mouth gag has a simple structure, and is provided with the frame body, the jaw plate and the tongue protection adjusting component, the jaw plate is matched with the tongue protection adjusting component, so that the tongue of a treated person can be blocked when the patient carries out oral treatment, accidental injury is avoided, the oral cavity of the patient can be well opened, and the mouth gag provides guarantee for safety, comfort and convenience of oral treatment operation.

Description

Oral cavity mouth gag

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an oral cavity mouth gag.

Background

Oral medicine is a relatively independent professional science, and can be better carried out only by specific medical equipment, and medical staff have a plurality of problems which are not beneficial to the operation inside the oral cavity in the process of oral treatment, for example, in the process of treating oral diseases, a patient is very tired when opening the temporomandibular joint for a long time; when medical staff carries out treatment, a patient may close the mouth suddenly due to fatigue or discomfort and bite medical staff; when the medical staff operates, the tongue of the patient can be injured by the treatment equipment in the hands of the medical staff in the process of involuntary activities; in the process of removing the oral tumor, if the mouth of a patient is not too large, the thoroughness of tumor removal can be influenced, the operation process can be greatly influenced, the operation time is prolonged, and even the life risk of the patient can be influenced. Particularly, the current oral robotic surgery (TORS) is gradually developed, and a good mouth opener is needed to ensure smooth operation, so that the problems in the conventional technology are not well solved.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an oral cavity mouth gag aiming at the problems existing in the prior art, which has a simple structure, can provide as large a space as possible for an operator when a patient carries out oral treatment, effectively avoids accidentally injuring the normal part of the oral cavity, and provides guarantee for the safety, comfort and convenience of the oral treatment operation.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:

an oral cavity mouth gag comprises a frame body, a jaw plate and a tongue protection adjusting component, wherein the jaw plate and the tongue protection adjusting component are arranged on the frame body and are respectively arranged at two opposite ends of the frame body; the tongue protection adjusting assembly comprises a supporting rod, a telescopic rod sleeved in the supporting rod, a first fixing bolt connected with the telescopic rod and a tongue protection plate, and the first fixing bolt drives the telescopic rod and the tongue protection plate to move transversely.

The mouth gag has a simple structure, and is provided with the frame body, the jaw plate and the tongue protection adjusting component, the jaw plate is matched with the tongue protection adjusting component, so that the tongue of a treated person can be blocked when the patient carries out oral treatment, accidental injury is avoided, the oral cavity of the patient can be well opened, and the mouth gag provides guarantee for safety, comfort and convenience of oral treatment operation.

In one embodiment, an angle formed between the tongue guard and the telescopic rod is an acute angle.

In one embodiment, the angle formed between the tongue guard and the telescopic rod is 30-80 degrees.

In one embodiment, the oral cavity mouth gag further comprises a guide assembly arranged in the frame body, wherein the guide assembly comprises an adjusting ring, a fixing nut connected with the adjusting ring, a first auxiliary rod and a second auxiliary rod, the adjusting ring is sleeved on the telescopic rod, and the fixing nut is used for adjusting the adjusting ring.

In one embodiment, the tongue protection adjusting assembly further comprises a fixing member connected with the telescopic rod and a second fixing bolt installed on the fixing member, the second fixing bolt is arranged on the fixing member in a penetrating manner and connected with the tongue protection plate, and the second fixing bolt drives the tongue protection plate to move longitudinally.

In one embodiment, the frame body is arranged to be wide at the top and narrow at the bottom.

In one embodiment, the frame body includes a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece which are connected end to end, the length of the first connecting piece is greater than that of the third connecting piece, and the length of the second connecting piece is equal to that of the fourth connecting piece.

In one embodiment, the length of the first connecting piece is 10cm-15cm, the length of the second connecting piece is 8cm-13cm, the length of the third connecting piece is 8cm-13cm, and the length of the fourth connecting piece is 8cm-12 cm.

In one embodiment, a third fixing bolt is arranged on the third connecting piece and used for sequentially penetrating through the second connecting piece and the supporting rod to be clamped with the telescopic rod.

In one embodiment, the second connecting piece is provided with a first mounting hole and a second mounting hole; and a third mounting hole and a fourth mounting hole are formed in the fourth connecting piece, the third mounting hole is opposite to the first mounting hole, and the fourth mounting hole is opposite to the second mounting hole.

Drawings

FIG. 1 is a perspective view of an oral cavity opener according to a first embodiment of the present invention;

FIG. 2 is a side view of the first adjustment nut shown in FIG. 1;

FIG. 3 is a schematic view of the oral opener of FIG. 1 with an enlarged assembly on one side;

fig. 4 is a perspective view of an oral cavity opener according to a second embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2, an oral cavity mouth gag 100 according to a first embodiment of the present invention is used for fixing the oral cavity of a patient to facilitate the operation of medical staff; the oral cavity mouth gag 100 comprises a frame body 10, a jaw plate 20 and a tongue protection adjusting component 30, wherein the jaw plate 20 and the tongue protection adjusting component 30 are arranged on the frame body 10, the jaw plate 20 and the tongue protection adjusting component 30 are respectively arranged at two opposite ends of the frame body 10, and the oral cavity of a patient is fixed by adjusting the distance between the tongue protection adjusting component 30 and the jaw plate 20.

Specifically, the frame body 10 provides positioning for the whole device and medical staff, the frame body 10 includes a first connecting piece 11, a second connecting piece 12, a third connecting piece 13 and a fourth connecting piece 14 which are connected end to end, the first connecting piece 11, the second connecting piece 12, the third connecting piece 13 and the fourth connecting piece 14 form an observation port, and medical staff can observe the condition in the oral cavity conveniently. In one embodiment, the length of the first connecting member 11 is greater than that of the third connecting member 13, and the length of the second connecting member 12 is equal to that of the fourth connecting member 14, so that the frame body 10 is configured to have a structure with a wide top and a narrow bottom, and is configured to conform to the shape of the oral cavity of a human body. Optionally, the length of the first connecting piece 11 is 10cm-15cm, the length of the second connecting piece 12 is 8cm-13cm, the length of the third connecting piece 13 is 8cm-13cm, and the length of the fourth connecting piece 14 is 8cm-12 cm; specifically, the length of the first connecting piece 11 is 13cm, the length of the second connecting piece 12 is 10cm, the length of the third connecting piece 13 is 12cm, and the length of the fourth connecting piece 14 is 10 cm.

The middle of the first connecting member 11 extends to a direction of the third connecting member 13 to form a recess 110, and the recess 110 is welded to the jaw plate 20, so that the frame body 10 is in a concave shape.

The jaw plate 20 is used for fixing the upper jaw part of the oral cavity of the human body, the jaw plate 20 is arranged in an arc shape approximately, and the arc part of the jaw plate 20 extends back to the direction of the third connecting piece 13, so that the jaw plate can conveniently extend into the teeth to fix the teeth.

The tongue protection adjusting assembly 30 is used for fixing the lower jaw of the oral cavity, and the tongue protection adjusting assembly 30 includes a support rod 31, an expansion rod 32 sleeved in the support rod 31, a first fixing bolt 33 connected with the expansion rod 32, a fixing member 34, a second fixing bolt 35 installed on the fixing member 34, and a tongue protection plate 36. In use, the first fixing bolt 33 drives the telescopic rod 32, the fixing member 34 and the tongue guard 36 to move transversely so as to adjust the distance between the tongue guard 36 and the jaw plate 20, and the second fixing bolt 35 drives the tongue guard 36 to move longitudinally.

Specifically, the support rod 31 is substantially cylindrical, the support rod 31 is installed in the middle of the third connecting member 13, the support rod 31 has an inner cavity for accommodating the telescopic rod 32, the telescopic rod 32 is provided with a plurality of transverse slots 320, and the transverse slots 320 are uniformly arranged at intervals; the screw of the first fixing bolt 33 is provided with a clamping part 330 corresponding to the transverse clamping groove 320, the telescopic rod 32 is finely adjusted by rotating the head of the first fixing bolt 33, so that the telescopic rod 32 slightly slides in the supporting rod 31, and the telescopic rod 32 adjusts the distance between the jaw plate 20 and the tongue guard 36 to adjust the opening range of the oral cavity. In one embodiment, the length of the telescopic rod 32 is greater than the distance between the connecting portion of the first connecting member 11 and the third connecting member 13, so as to prevent the telescopic rod 32 from falling off from the supporting rod 31. Optionally, the depth of the transverse clamping groove 320 is 1mm-10 mm; the distance between the clamping parts 330 is 1mm-10 mm.

The fixing piece 34 is installed at one end of the telescopic rod 32 far away from the supporting rod 31, an installation groove is formed in the fixing piece 34 for installing the tongue guard 36, the second fixing bolt 35 penetrates through the fixing piece 34 to be connected with the tongue guard 36, a plurality of longitudinal clamping grooves 360 are formed in one side, facing the telescopic rod 32, of the tongue guard 36, and the longitudinal clamping grooves 360 are evenly arranged at intervals; the screw of the second fixing bolt 35 is provided with a clamping portion corresponding to the longitudinal clamping groove 360, and the tongue guard 36 is finely adjusted by rotating the head of the second fixing bolt 35, so that the tongue guard 36 slightly slides in the fixing member 34, and the depth of the tongue guard 36 in the oral cavity is adjusted. In one embodiment, a fixing portion is disposed on an end of the fixing member 34 away from the fixing member 34, a plurality of fixing grooves 340 are disposed on the fixing portion, and the fixing grooves 340 are uniformly distributed.

The tongue guard 36 has various types, and different tongue guards 36 can be matched according to the lower jaw of different people, specifically, the tongue guard 36 is arranged in an arc shape, and the arc part of the jaw plate 20 extends back to the direction of the first connecting piece 11. In one embodiment, the angle formed between the tongue guard 36 and the extension shaft 32 is an acute angle, so that the tongue guard 36 can be inserted into the mouth of a human body. Optionally, the angle formed between the tongue guard 36 and the extension rod 32 is 30-80 °. Furthermore, the angle formed between the tongue guard 36 and the extension rod 32 is 40-60 °.

In another embodiment, the heads of the first and

second fixing bolts

33, 35 are provided with anti-slip grooves to facilitate the hand-held rotation operation.

Optionally, a third fixing bolt 130 is arranged on the third connecting member 13, and the third fixing bolt 130 is used for sequentially penetrating through the second connecting member 12, and the supporting rod 31 is connected with the telescopic rod 32 in a clamping manner, so that the telescopic rod 32 is conveniently fixed.

In another embodiment, the oral cavity mouth gag 100 further comprises a guiding component 40 installed in the frame body 10 for assisting the telescopic rod 32 to move when moving, so as to avoid the telescopic rod 32 from deviating, specifically, the guiding component 40 comprises an adjusting ring 41, a fixing nut 42 connected with the adjusting ring 41, a first auxiliary rod 43 and a second auxiliary rod 44, the adjusting ring 41 is sleeved on the telescopic rod 32, the fixing nut 42 is used for adjusting the position of the adjusting ring 41 on the telescopic rod 32, and the force applied by medical staff is reduced by the lever principle; the end of the first auxiliary rod 43 is embedded in the second connecting member 12, and the end of the second auxiliary rod 44 is embedded in the fourth connecting member 14, that is, the second connecting member 12 has a first receiving groove therein, and the fourth connecting member 14 has a second receiving groove therein, so that the auxiliary rod and the connecting member form a sliding connection, so that the telescopic rod 32 can move in the frame body 10.

Optionally, as shown in fig. 3, the oral cavity mouth gag 100 further comprises an amplifying assembly 50 installed at one side of the frame body 10, and after the tongue protection adjusting assembly 30 and the jaw plate 20 open the oral cavity of the patient, the oral cavity of the patient can be magnified and viewed, specifically, the amplifying assembly 50 comprises a magnifying lens 51, a sliding bolt 52 connected with the magnifying lens 51 and an illuminating flashlight 53, the sliding bolt 52 is installed on the second connecting piece 12, the illuminating flashlight 53 is installed at the top of the magnifying lens 51, the illuminating flashlight 53 is a hand-push type illuminating flashlight, when in use, the magnifying lens 51 can be moved into the frame body 10 through the sliding bolt 52, and when not in use, the magnifying lens 51 can be moved out of the frame body 10.

When the utility model is used, firstly, the tongue-protecting plate 36 suitable for the patient is selected, the tongue-protecting plate 36 is arranged on the fixing part 34, the length of the tongue-protecting plate 36 is adjusted through the second fixing bolt 35, and then the tongue-protecting plate is fixed; place the mouth gag in patient's oral cavity again, adjust the interval between tongue guard 36 and the jaw board 20 through first fixing bolt 33, adjust the expansion size in patient's oral cavity promptly to medical staff carries out the operation to the patient, rotate third fixing bolt 130 again, fix a position telescopic link 32, avoid telescopic link 32 to remove in bracing piece 31, at last with appurtenance, fix bracing piece 31.

Referring to fig. 4, in order to provide an oral cavity mouth gag 100a according to a second embodiment of the present invention, the oral cavity mouth gag 100a includes a frame body 10a, a jaw plate 20a mounted on the frame body 10a, and a tongue-protecting adjusting assembly 30a, the frame body 10a includes a first connecting member 11a, a second connecting member 12a, a third connecting member 13a, and a fourth connecting member 14a connected end to end, the tongue-protecting adjusting assembly 30a is used for fixing the lower jaw of the oral cavity, the tongue-protecting adjusting assembly 30a includes a supporting rod 31a, a telescopic rod 32a sleeved in the supporting rod 31a, a first fixing bolt 33a connected with the telescopic rod 32a, a fixing member 34a, a second fixing bolt 35a mounted on the fixing member 34a, and a tongue-protecting plate 36a, different from the oral cavity mouth gag 100 according to the first embodiment, a size strip 329a is provided on the telescopic rod 32a of the tongue-protecting adjusting assembly 30a, and a size strip 329a is located on one side of a transverse slot 320, so that the medical staff can monitor the sliding distance of the telescopic rod 32a in the supporting rod 31 a; the tongue guard adjusting assembly 30a further comprises a moving member 39a, the moving member 39a is arranged on the support rod 31a in a penetrating manner and connected with the telescopic rod 32a, and the telescopic rod 32a is moved by the moving member 39 a.

A first mounting hole 121a and a second mounting hole 122a are formed in the second connecting member 12a of the frame body 10a, and the first mounting hole 121a and the second mounting hole 122a are arranged in a staggered manner; the fourth connecting member 14a of the frame body 10a is provided with a third mounting hole 141a and a fourth mounting hole 142a, the third mounting hole 141a is disposed opposite to the first mounting hole 121a, and the fourth mounting hole 142a is disposed opposite to the second mounting hole 122a, and each mounting hole is used for mounting other accessories, such as a bracket for fixing the frame body 10a, a protective frame for fixing both sides of the oral cavity, and the like, so as to adapt to different operation types. The frame body 10a further comprises an abutting part 18a, the abutting part 18a is mounted on the third connecting part 13a, the abutting part 18a is made of soft plastic materials and used for abutting against the face of a human body, and injury caused by excessive abutting of the third connecting part 13a of the frame body 10a against the lower jaw of the human body when the mouth gag is used is avoided.

The oral cavity mouth gag 100 is simple in structure, the framework body 10, the jaw plate 20 and the tongue protection adjusting component 30 are arranged, the jaw plate 20 is matched with the tongue protection adjusting component 30, when a patient carries out oral cavity treatment, the tongue of the patient can be blocked, accidental injury can be avoided, meanwhile, the oral cavity of the patient can be well opened, and safety, comfort and convenience in oral cavity treatment operation are guaranteed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An oral cavity mouth gag is characterized by comprising a frame body, a jaw plate and a tongue protection adjusting component, wherein the jaw plate and the tongue protection adjusting component are arranged on the frame body and are respectively arranged at two opposite ends of the frame body; the tongue protection adjusting assembly comprises a supporting rod, a telescopic rod sleeved in the supporting rod, a first fixing bolt connected with the telescopic rod and a tongue protection plate, and the first fixing bolt drives the telescopic rod and the tongue protection plate to move transversely; the oral cavity mouth gag is still including installing the internal direction subassembly of frame, the direction subassembly includes the regulation circle, connects adjust the fixation nut, first auxiliary rod and the second auxiliary rod of circle, it locates to adjust the snare on the telescopic link, fixation nut is used for adjusting adjust the circle.

2. The oral cavity opener of claim 1, wherein the angle formed between the tongue guard and the telescoping rod is an acute angle.

3. The oral cavity opener of claim 2, wherein the angle formed between the tongue guard and the telescoping rod is 30-80 °.

4. The oral cavity mouth gag of claim 1, wherein the tongue protection adjusting assembly further comprises a fixing piece connected with the telescopic rod and a second fixing bolt installed on the fixing piece, the second fixing bolt is arranged on the fixing piece in a penetrating way and connected with the tongue protection plate, and the second fixing bolt drives the tongue protection plate to move longitudinally.

5. The oral cavity opener of claim 1, wherein the frame body is arranged to be wide at the top and narrow at the bottom.

6. The oral cavity opener of claim 5, wherein the frame body comprises a first connector, a second connector, a third connector, and a fourth connector connected end to end, the first connector having a length greater than the third connector, the second connector having a length equal to the fourth connector.

7. The oral cavity opener of claim 6, wherein the first connector has a length of 10cm to 15cm, the second connector has a length of 8cm to 13cm, the third connector has a length of 8cm to 13cm, and the fourth connector has a length of 8cm to 12 cm.

8. The oral cavity mouth gag of claim 6, wherein a third fixing bolt is arranged on the third connecting piece and is used for sequentially penetrating the second connecting piece and the supporting rod to be clamped with the telescopic rod.

9. The oral cavity opener of claim 6, wherein the second connector has a first mounting hole and a second mounting hole; and a third mounting hole and a fourth mounting hole are formed in the fourth connecting piece, the third mounting hole is opposite to the first mounting hole, and the fourth mounting hole is opposite to the second mounting hole.