CN213607004U - Oral cavity mouth gag - Google Patents
Oral cavity mouth gag Download PDFInfo
- Publication number
- CN213607004U CN213607004U CN202022639498.XU CN202022639498U CN213607004U CN 213607004 U CN213607004 U CN 213607004U CN 202022639498 U CN202022639498 U CN 202022639498U CN 213607004 U CN213607004 U CN 213607004U
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- link
- connecting piece
- oral cavity
- rotating
- supporting part
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Abstract
The utility model discloses an oral cavity mouth gag, include: the adjusting rod comprises an adjusting rod, a first supporting part, a second supporting part, a first connecting piece, a second connecting piece, a third connecting piece, a fourth connecting piece and a rotating piece. The utility model discloses an oral cavity mouth gag, the rotation of accessible rotating member realizes slowly adjusting and prolongs the ascending distance in direction of perpendicular to regulation pole between first supporting part and the second supporting part, slowly, accurate machinery opens the interlock effectively, has reduced the risk that clinical operation complication takes place, and the technological sensitivity reduces, is favorable to letting more medical staff master and use this technique, has apparent social value and using value, is worth widely promoting and using.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an oral cavity mouth gag.
Background
In the oral cavity field, the patient has complete loss of voluntary mouth opening due to limited operation space and operation visual field, especially when general anesthesia is used for oral operation. In this case, the mouth gag is preferred by the operating doctor or the operating doctor. The conventional mouth gag has the following types: jaw-type mouth gag, T-shaped mouth gag, half mouth gag, Davis mouth gag and full mouth gag. These mouth openers can open the occlusion by mechanical or semi-mechanical action, however, there are also disadvantages.
Most of the mouth openers on the market can not accurately adjust the opening degree, the mouth openers are limited to be used under the condition of too large or too small opening degree, the lower jaw is forcibly pressed down by using a tongue depressor or an instrument to open the occlusion, a user can be tired in the operation process, the occlusion can not be accurately and uniformly opened, the operation in the operation can be influenced, the risk is increased, and the problems of mandibular dislocation, joint damage and the like can be caused by excessive violent opening.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the background art, the utility model provides an oral cavity mouth gag.
In order to achieve the above object, the utility model provides a following technical scheme:
an oral cavity opener, comprising:
an adjustment lever having a screw thread on an outer circumferential surface thereof and including a first end portion and a second end portion;
a first support part for supporting the upper jaw;
a second support for supporting the lower jaw;
the first end of the first connecting piece is pivotally connected with the first supporting part;
the first end of the second connecting piece is pivotally connected with the second supporting part; the second end of the first connecting piece is pivotally connected with the second end of the second connecting piece and can slide on the adjusting rod;
a first end of the third connecting piece is pivotally connected with the first supporting part;
a fourth link, a first end of which is pivotally connected to the second support portion and a second end of which is pivotally connected to a second end of the fourth link and is slidable on the adjustment lever; and
a rotating member which is fitted over the adjusting lever and is provided with a second screw thread engaged with the first screw thread of the adjusting lever so that the rotating member moves along the adjusting lever by rotating; wherein the content of the first and second substances,
the rotating part is abutted against the second end of the third connecting part and the second end of the fourth connecting part which are in pivot connection, so that the distance between the first end part of the adjusting rod and the second end of the third connecting part and the second end of the fourth connecting part is adjusted through the rotation of the rotating part, and the distance between the first supporting part and the second supporting part in the direction perpendicular to the adjusting rod is adjusted.
As a preferred embodiment of the present invention, a first stopper is disposed on the first end of the adjusting lever for stopping the second end of the first connecting member and the second end of the second connecting member from sliding out of the first end of the adjusting lever.
As a preferred embodiment of the present invention, a second stopper is provided on the second end of the adjusting lever for stopping the rotating member from sliding out of the second end of the adjusting lever.
As a preferred embodiment of the present invention, the rotating member includes a screw hole provided with the second thread and rotating blades symmetrically disposed with respect to the screw hole; the rotating blade facilitates the exertion of force by the hand when rotating the rotating member.
As a preferred embodiment of the present invention, a spacer is further disposed on the adjusting lever between the connecting end of the rotating member and the adjusting lever and between the connecting end of the third connecting member and the adjusting lever and between the connecting end of the fourth connecting member and the adjusting lever; the isolating piece is provided with a through hole, and the adjusting rod can penetrate through the through hole.
As a preferred embodiment of the present invention, the first connecting member and the third connecting member have the same length, and the second connecting member and the fourth connecting member have the same length.
As a preferred embodiment of the present invention, the lengths of the first connecting member, the second connecting member, the third connecting member and the fourth connecting member are the same.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an oral cavity mouth gag, the rotation of accessible rotating member realizes slowly adjusting and prolongs the ascending distance in direction of perpendicular to regulation pole between first supporting part and the second supporting part, slowly, accurate machinery opens the interlock effectively, has reduced the risk that clinical operation complication takes place, and the technological sensitivity reduces, is favorable to letting more medical staff master and use this technique, has apparent social value and using value, is worth widely promoting and using.
Drawings
FIG. 1 is a schematic structural view of an oral cavity opener according to the present invention;
FIG. 2 is a schematic view of the oral cavity opener according to the present invention in another state;
in the figure:
1-adjusting a rod; 1 a-a first thread; 11-a first end portion; 12-a second end; 13-a first stop; 14-a second stop;
2-a first support part;
3-a second support;
4-a first connector;
5-a second connector;
6-a third connector;
7-a fourth connection;
8-a rotating member; 81-rotating leaves;
9-a spacer;
101-a first rotation axis; 102-second axis of rotation.
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 work belong to the protection scope of the present invention.
Example (b):
referring to fig. 1, the present invention provides an oral cavity opener, comprising:
the adjusting rod 1 is provided with a first thread 1a, and the adjusting rod 1 comprises a first end part 11 and a second end part 12;
a first support part 2 for supporting the upper jaw;
a second support 3 for supporting the lower jaw;
a first connecting piece 4, wherein the first end of the first connecting piece 4 is pivotally connected with the first supporting part 2;
a second link 5, a first end of the second link 5 is pivotally connected with the second support part 3; the second end of the first connecting piece 4 is pivotally connected with the second end of the second connecting piece 5 and can slide on the adjusting rod 1;
a third connecting piece 6, wherein the first end of the third connecting piece 6 is pivotally connected with the first supporting part 2;
a fourth link 7, a first end of the fourth link 7 is pivotally connected with the second support part 3; the second end of the third connecting piece 6 is pivotally connected with the second end of the fourth connecting piece 7 and can slide on the adjusting rod 1; and
a rotating member 8, the rotating member 8 being fitted over the adjustment lever 1 and provided with a second screw (not shown in fig. 1 and 2) engaged with the first screw 1a of the adjustment lever 1 such that the rotating member 8 moves along the adjustment lever 1 by rotating; wherein the content of the first and second substances,
the rotating member 8 abuts against the second end of the pivotally connected third connecting member 6 and the second end of the fourth connecting member 7, so that the distance between the first end 11 of the adjusting rod 1 and the second end of the third connecting member 6 and the second end of the fourth connecting member 7 can be adjusted through the rotation of the rotating member 8, and the distance between the first supporting part 2 and the second supporting part 3 in the direction perpendicular to the adjusting rod 1 can be adjusted.
Specifically, the rotating member 8 includes a screw hole provided with the second thread and rotating blades 81 symmetrically disposed with respect to the screw hole; the rotating blade 81 facilitates the exertion of force by the hand when rotating the rotating member 8.
As a preferred embodiment of the present invention, a first stopper 13 is provided on the first end portion 11 of the adjusting lever 1 for blocking the second end of the first connecting member 4 and the second end of the second connecting member 5 from slipping out of the first end portion 11 of the adjusting lever 1. A second stop 14 is provided at the second end 12 of the adjustment lever 1 for blocking the rotation element 8 from sliding out of the second end 12 of the adjustment lever 1.
Specifically, the pivotal connection of the first end of the first link 4 to the first support 2, the pivotal connection of the first end of the second link 5 to the second support 3, the pivotal connection of the first end of the third link 6 to the first support 2, and the pivotal connection of the first end of the fourth link 7 to the second support 3 are all achieved by a first rotation shaft 101 perpendicular to the four links. The pivotal connection of the second end of the first link 4 to the second end of the second link 5 and the pivotal connection of the second end of the third link 6 to the second end of the fourth link 7 is achieved by means of second rotation axes 102 perpendicular to the four links, and the adjustment lever 1 then passes perpendicularly through the two second rotation axes 102.
As a preferred embodiment of the present invention, a spacer 9 is further disposed on the adjusting lever 1 between the connecting ends of the rotating member 8 and the third connecting member 6 with the adjusting lever 1 and between the connecting ends of the fourth connecting member 7 with the adjusting lever 1; the spacer 9 has a through-hole through which the adjusting rod 1 can be passed.
As a preferred embodiment of the present invention, the first connecting member 4 and the third connecting member 6 have the same length, and the second connecting member 5 and the fourth connecting member 7 have the same length. More preferably, in the present embodiment, the lengths of the first connecting member 4, the second connecting member 5, the third connecting member 6 and the fourth connecting member 7 are all the same.
In fig. 1, the rotating member 8 is close to the second end 12 of the adjusting lever 1, the angle α between the first connecting member 4, the second connecting member 5, the third connecting member 6 or the fourth connecting member 7 and the adjusting lever 1 is smallest, and the distance between the first supporting portion 2 and the second supporting portion 3 in the direction perpendicular to the adjusting lever 1 is shortest. By rotating the rotating blade 81 of the rotating member 8, the rotating member 8 is rotated to the position shown in fig. 2, the included angle α between the first connecting member 4, the second connecting member 5, the third connecting member 6, or the fourth connecting member 7 and the adjusting lever 1 is increased, and the distance between the first supporting portion 2 and the second supporting portion 3 in the direction perpendicular to the adjusting lever 1 is increased.
Therefore, the distance between the second end of the third connecting piece 6 and the second end of the fourth connecting piece 7 and the first end 11 of the adjusting rod 1 can be adjusted through the rotation of the rotating piece 8, the included angle alpha between the first connecting piece 4, the second connecting piece 5, the third connecting piece 6 or the fourth connecting piece 7 and the adjusting rod 1 is adjusted, and the distance between the first supporting part 2 and the second supporting part 3 in the direction perpendicular to the adjusting rod 1 is adjusted, so that the occlusion is opened slowly and accurately, the risk of clinical operation complications is reduced, the technical sensitivity is reduced, more medical staff can master and apply the technology, the social value and the application value are obvious, and the device is worthy of being popularized and applied vigorously.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An oral cavity opener, comprising:
an adjustment lever having a screw thread on an outer circumferential surface thereof and including a first end portion and a second end portion;
a first support part for supporting the upper jaw;
a second support for supporting the lower jaw;
the first end of the first connecting piece is pivotally connected with the first supporting part;
the first end of the second connecting piece is pivotally connected with the second supporting part; the second end of the first connecting piece is pivotally connected with the second end of the second connecting piece and can slide on the adjusting rod;
a first end of the third connecting piece is pivotally connected with the first supporting part;
a fourth link, a first end of which is pivotally connected to the second support portion, and a second end of which is pivotally connected to a second end of the fourth link and is slidable on the adjustment lever; and
a rotating member which is fitted over the adjusting lever and is provided with a second screw thread engaged with the first screw thread of the adjusting lever so that the rotating member moves along the adjusting lever by rotating; wherein the content of the first and second substances,
the rotating part is abutted against the second end of the third connecting part and the second end of the fourth connecting part which are in pivot connection, so that the distance between the first end part of the adjusting rod and the second end of the third connecting part and the second end of the fourth connecting part is adjusted through the rotation of the rotating part, and the distance between the first supporting part and the second supporting part in the direction perpendicular to the adjusting rod is adjusted.
2. The oral cavity opener of claim 1, wherein a first stop is disposed on the first end of the adjustment lever for blocking the second end of the first link and the second end of the second link from sliding out of the first end of the adjustment lever.
3. The oral cavity opener of claim 1, wherein a second stop is provided on the second end of the adjustment stem for stopping the rotating member from sliding out of the second end of the adjustment stem.
4. The oral cavity opener of claim 1, wherein the rotary member comprises a screw hole provided with the second thread and rotary vanes symmetrically arranged with respect to the screw hole; the rotating blade facilitates the exertion of force by the hand when rotating the rotating member.
5. The oral cavity mouth gag of claim 1 or 4, characterized in that a spacer is further arranged on the adjusting lever between the connecting end of the rotating piece and the third connecting piece with the adjusting lever and the connecting end of the fourth connecting piece with the adjusting lever; the isolating piece is provided with a through hole, and the adjusting rod can penetrate through the through hole.
6. The oral cavity opener of claim 1, wherein the first link and the third link are the same length and the second link and the fourth link are the same length.
7. The oral cavity opener of claim 6, wherein the first link, the second link, the third link, and the fourth link are all the same length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022639498.XU CN213607004U (en) | 2020-11-13 | 2020-11-13 | Oral cavity mouth gag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022639498.XU CN213607004U (en) | 2020-11-13 | 2020-11-13 | Oral cavity mouth gag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213607004U true CN213607004U (en) | 2021-07-06 |
Family
ID=76633877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022639498.XU Active CN213607004U (en) | 2020-11-13 | 2020-11-13 | Oral cavity mouth gag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213607004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113940657A (en) * | 2021-10-22 | 2022-01-18 | 宁波口腔医院集团有限公司 | Temporomandibular joint dynamic nuclear magnetic resonance examination device |
-
2020
- 2020-11-13 CN CN202022639498.XU patent/CN213607004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113940657A (en) * | 2021-10-22 | 2022-01-18 | 宁波口腔医院集团有限公司 | Temporomandibular joint dynamic nuclear magnetic resonance examination device |
| CN113940657B (en) * | 2021-10-22 | 2024-02-23 | 宁波口腔医院集团有限公司 | Temporomandibular joint dynamic nuclear magnetic resonance checking device |
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