CN109077697B - Anesthesia mouth gag with adjustable opening size - Google Patents
Anesthesia mouth gag with adjustable opening size Download PDFInfo
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- CN109077697B CN109077697B CN201811101942.3A CN201811101942A CN109077697B CN 109077697 B CN109077697 B CN 109077697B CN 201811101942 A CN201811101942 A CN 201811101942A CN 109077697 B CN109077697 B CN 109077697B
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- shell
- rotating shaft
- supporting rod
- plate
- spiral groove
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- 206010057371 Hypoaesthesia oral Diseases 0.000 title claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 210000000214 mouth Anatomy 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000003444 anaesthetic effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Abstract
The invention relates to an anesthesia mouth gag with an adjustable opening size, which can solve the problems that the prior device can not conveniently adjust the opening amplitude, is complex to use and can not stably maintain the opening state; the technical scheme includes that the device comprises a shell, an upper supporting plate is hinged above the shell, a lower supporting plate is arranged on the upper end face of the shell, a first rotating shaft is arranged in the shell, a cone frustum is arranged on the first rotating shaft, a spiral groove is formed in the cone frustum, a supporting rod is arranged in the spiral groove, when the first rotating shaft rotates around the same direction as the spiral groove, the supporting rod can be driven to move upwards and simultaneously move rightwards through the spiral groove, meanwhile, the supporting rod pushes the upper supporting plate to rotate clockwise, and when the first rotating shaft rotates reversely, the supporting rod can move downwards and simultaneously move leftwards; the size of the oral cavity opening can be realized, the adjusting process is rapid, the size of the adjusting opening is continuous, the requirements of different oral cavity sizes can be met, and the oral cavity opening can be stably fixed in the oral cavity.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to an anesthesia mouth gag with an adjustable opening size.
Background
An anesthetic mouth gag is an instrument used for keeping the mouth of a patient open in anesthetic surgery, and is particularly common in general anesthesia throat surgery. Arc-shaped metal Liang Lianjie is used between the upper and lower cross beams of the existing anesthesia mouth gag frame; the opening amplitude can not be conveniently adjusted for different patients, the use is inconvenient, the patients can not be conveniently and safely kept in an opening state, after the patients are opened, the patients are only provided with a limiting device, a locking device is not provided, the opening state can not be stably kept, and the patients are easily fallen to cause secondary injury;
Meanwhile, the application number is 201120267417.6, and the authorized bulletin number is: the CN202136317U patent provides a name: the patent of an oral cavity expanding support provides a scheme that two support plates are hinged, a support rod with external threads is arranged between the two support plates and a nut is arranged, the size of an opening can be adjusted at will by rotating the nut, but the scheme has the following problems that the adjusting speed is greatly influenced by the thread pitch, the adjusting speed is slow, when a patient needs to be continuously operated, the best time for treatment is delayed due to the extension of the adjusting time, meanwhile, the structure of the threads is unstable, and after the threads are used for a long time, the phenomenon of sliding threads occurs due to the abrasion of the threads, so that the size of the opening cannot be adjusted; meanwhile, in the use process, the force applied to the two support plates accelerates the damage of threads, the threads are damaged, the whole opener is rapidly closed, the phenomenon is very dangerous in the operation process, and secondary serious injury is caused to patients; again, although the size of the opening amplitude of the mouth gag can be adjusted, the mouth gag cannot be suitable for all people under the influence of the height of the supporting rod, the oral cavity of children and adults have large difference, and the mouth gag is required to be manufactured into various specifications to be suitable for different people.
Therefore, it is urgently needed to design an anesthesia mouth gag with an adjustable opening size to solve the problems that the existing device cannot quickly adjust the opening amplitude, is complex to use, cannot stably maintain the opening state, and cannot adapt to all people.
Disclosure of Invention
Aiming at the situation, the invention aims to solve the problems in the prior art, and the invention aims to provide an anesthesia mouth gag with an adjustable opening size, which solves the problems that the prior device cannot conveniently and rapidly adjust the opening amplitude, is complex to use, cannot stably maintain the opening state and cannot adapt to all people.
The technical scheme that the device comprises a shell, an upper supporting plate capable of rotating in a vertical plane is hinged above the shell, the left end of the upper supporting plate is located on the left side of the shell, a lower supporting plate with the left end located on the left side of the shell is installed on the upper end face of the shell, a first rotating shaft which is horizontally placed in the left-right direction and can rotate around the axis of the first rotating shaft is installed in the shell, a small left-right large conical table which is coaxial with the first rotating shaft is fixed on the first rotating shaft in the shell, a spiral groove which is coaxial with the conical table is formed in the conical table, an upper end of the spiral groove penetrates through the shell and is in contact with the upper supporting plate, the lower end of the supporting rod can slide in the spiral groove, when the first rotating shaft rotates in the same direction as the spiral groove, the supporting rod can be driven to move upwards through the spiral groove and simultaneously move rightwards, and meanwhile the supporting rod pushes the upper supporting plate to rotate clockwise, and when the first rotating shaft rotates reversely, the supporting rod can move downwards and simultaneously move leftwards.
The invention has novel conception, ingenious structure and strong practicability, can realize the size of the oral cavity opening, has rapid adjusting process and continuous adjusting opening size, can adapt to the requirements of different oral cavity sizes, and can be stably fixed in the oral cavity.
Drawings
FIG. 1 is a front cross-sectional view of the present invention in use.
Fig. 2 is a front view of the present invention.
Fig. 3 is a three-dimensional view of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As shown in fig. 1 to 3, the present invention comprises a housing 1, an upper support plate 2 capable of rotating in a vertical plane is hinged above the housing 1, the left end of the upper support plate 2 is positioned at the left side of the housing 1, a lower support plate 3 with the left end positioned at the left side of the housing 1 is mounted on the upper end surface of the housing 1, a first rotating shaft 4 horizontally placed in the left-right direction and capable of rotating around the axis of the housing 1 is mounted in the housing 1, a small left-right large cone table 5 coaxial with the first rotating shaft 4 is fixed on the first rotating shaft 4 positioned in the housing 1, a spiral groove 6 coaxial with the cone table 5 is formed in the cone table 5, a support rod 7 with the upper end penetrating through the housing 1 and contacting with the upper support plate 2 is arranged in the spiral groove 6, the lower end of the support rod 7 can slide in the spiral groove 6, when the first rotating shaft 4 rotates in the same direction as the spiral groove 6, the support rod 7 can be driven to move upwards and simultaneously to the right through the spiral groove 6, and simultaneously the support rod 7 pushes the upper support plate 2 to rotate clockwise, and when the first rotating shaft 7 rotates reversely, and the support rod 7 can move downwards.
In order to realize that the upper support plate 2 can rotate in a vertical plane, two vertical plates 8 which are symmetrical front and back and are vertically arranged are fixed on the upper end face of the shell 1, a protruding block 9 which is arranged between the two vertical plates 8 is arranged on the right end face of the upper support plate 2, a second rotating shaft 10 in the front-back direction is arranged between the vertical plates 8 and the protruding block 9, clearance fit is realized between the protruding block 9 and the second rotating shaft 10, and the protruding block 9 can rotate around the second rotating shaft 10.
In order to realize that the supporting rod 7 can move left and right in the shell 1, a horizontal chute 11 which is vertically communicated is formed in the upper end face of the shell 1, T-shaped grooves in the left and right directions are formed in the front side wall and the rear side wall of the chute 11, a sliding block 12 is arranged in the chute 11, T-shaped blocks which are arranged in the T-shaped grooves and can move left and right along the T-shaped grooves are respectively arranged on the front side wall and the rear side wall of the sliding block 12, a vertical through hole 13 is formed in the sliding block 12, the supporting rod 7 is arranged in the through hole 13, and when the first rotating shaft 4 rotates in the same direction as the spiral groove 6 in a rotating mode, the supporting rod 7 can be driven to move right through the spiral groove 6.
In order to realize that the supporting rod 7 can move up and down in the shell 1, the supporting rod 7 and the sliding block 12 are in clearance fit, the upper end of the supporting rod 7 is positioned above the flat plate, a tension spring 14 is sleeved on the supporting rod 7 positioned between the flat plate and the upper supporting plate 2, the upper end of the tension spring 14 is fixed on the supporting rod 7, the lower end of the tension spring 14 is fixed on the sliding block 12, and when the first rotating shaft 4 rotates in the same direction with the spiral groove 6 in a rotating mode, the supporting rod 7 can be driven to move upwards through the spiral groove 6, and the tension spring 14 is stretched.
In order to increase the comfort of the user, the left ends of the upper support plate 2 and the lower support plate 3 are respectively provided with a detachable tooth female die 16, the upper support plate 2, the lower support plate 3 and the corresponding tooth female die 16 are connected through transverse shafts in the front-back direction, the transverse shafts are connected with the tooth female die 16 through flat keys, the tooth female die 16 is not rotatable with the corresponding upper support plate 2 and lower support plate 3, the tooth female die 16 can be provided with different shapes, and different tooth female dies 16 are selected according to the shapes of teeth of the patient.
In order to realize that this device can be fine when using, alleviate patient's burden of tooth, the left surface of casing 1 on seted up vertical guide way 17, the vertical riser 18 of placing of a fore-and-aft direction has been seted up on the front and back lateral wall of guide way 17, vertical T type groove has been seted up on the front and back lateral wall of riser 18, T type piece of arranging in the T type inslot has on the front and back lateral wall of riser 18, riser 18 can reciprocate in guide way 17 through the connection of T type piece with the T type groove, install the positioning bolt 19 of fore-and-aft direction on casing 1 of both sides around guide way 17, the inner of positioning bolt 19 can be contacted with the lateral wall of riser 18, a diaphragm 23 that is located casing 1 left is installed to the lower extreme of riser 18, the through-groove 20 that link up from top to bottom has been seted up on the diaphragm 23 of through-groove 20 both sides, be connected with elastic rope 22 on the first through-hole 21, elastic rope 22's both ends are connected respectively on corresponding first through-hole 21.
In order to facilitate the rotation of the first rotating shaft 4, the right end of the first rotating shaft 4 penetrates through the right side plate of the shell 1 and is located on the right side of the shell 1, a handle 15 is installed at the right end of the first rotating shaft 4, a rotating bearing is installed between the first rotating shaft 4 and the left side plate and the right side plate of the shell 1, and the handle 15 is rotated to enable the first rotating shaft 4 to rotate around the rotating bearing.
In order to reduce the weight of the device, the cone frustum 5 is provided with a plurality of horizontal lightening holes, the front side wall and the rear side wall of the shell 1 are removed, and the device uses light medical materials, so that the weight of the whole device is reduced.
Before the invention is used, the sliding block 12 is positioned at the leftmost end of the sliding groove 11, the supporting rod 7 is positioned at the leftmost end of the displacement, the lower end of the supporting rod 7 is positioned in the spiral groove 6 and is positioned at the small end of the spiral groove 6, the upper end of the support s supporting rod is contacted with the lower bottom surface of the upper supporting plate 2, the upper supporting plate 2 is positioned at the bottommost end of the displacement, and the tension spring 14 is positioned at the original length.
When the invention is used, the lower teeth of a patient are placed in the tooth concave mould 16 of the lower supporting plate 3, the upper teeth are placed in the tooth concave mould 16 of the upper supporting plate 2, the head of the patient passes through the elastic rope 22, the neck is placed in the through groove 20 of the transverse plate 23, the device is fixed on the neck of the patient, the position of the vertical plate 18 in the guide groove 17 is adjusted to a proper height, then the positioning bolts 19 on the front side and the rear side of the guide groove 17 are rotated, the positioning bolts 19 fix the position of the vertical plate 18, then the first rotating shaft 4 is rotated in the same direction as the spiral groove 6, the first rotating shaft 4 is rotated to drive the cone table 5 to rotate, when the cone table 5 is rotated, the lower end of the supporting rod 7 is positioned in the spiral groove 6, the diameter of the left end of the cone table 5 is smaller than the diameter of the right end, the left end of the bottom of the spiral groove 6 is pushed upwards under the action of the spiral groove 6 when the cone table 5 is rotated, the supporting rod 7 is simultaneously moved rightwards, the supporting rod 7 is driven to move rightwards, the sliding block 12 is driven to move rightwards, the tension spring 7 is pulled upwards, the supporting rod 7 is pulled upwards, and the patient is properly rotated upwards when the first rotating shaft 10 is turned upwards, and the patient is turned upwards, and the mouth cavity 10 is properly, and the patient is turned upwards, and the mouth cavity opening is turned to be suitable, when the patient is turned, and the mouth is turned to the mouth is turned, and to the mouth is turned.
It should be noted that, since the supporting rod 7 is in contact with the spiral groove 6, the spiral groove 6 performs self-locking on the supporting rod 7, when the first rotating shaft 4 is not rotated, the supporting rod 7 cannot drive the cone frustum 5 to rotate, so that the supporting rod 7 cannot move downwards, and thus the oral cavity of the patient can be fixed to a proper opening size.
When the device is used, the first rotating shaft 4 can be reversely rotated, the supporting rod 7 is driven to reset leftwards under the action of the spiral groove 6, and when the supporting rod 7 moves leftwards, the tension spring 14 drives the supporting rod 7 to move downwards for resetting, the upper supporting plate 2 rotates anticlockwise for resetting, and finally the device is moved out of the oral cavity of a patient.
According to the invention, through the cooperation of the spiral groove 6 and the supporting rod 7, when the cone frustum 5 rotates, the supporting rod 7 is driven to move up and down and left and right, so that the angle between the upper supporting plate 2 and the lower supporting plate 3 is adjusted, the opening degree of the oral cavity of a patient is adjusted, the supporting rod 7 moves upwards and moves rightwards, the whole adjusting process is faster, the whole adjusting process is simple and convenient to operate, and a good adjusting effect can be achieved.
According to the invention, through the cooperation of the spiral groove 6, the supporting rod 7 and the conical frustum 5, the opening angle between the upper supporting plate 2 and the lower supporting plate 3 can be adjusted in a larger range, so that the problem that the length of the supporting rod is influenced when the size of the existing mouth gag is adjusted is solved; the device can be suitable for adjusting the size of the opening of different oral cavities from infants to adults.
According to the invention, through the cooperation of the spiral groove 6 and the support rod 7, the problem that the size of the opening cannot be adjusted or the patient is seriously injured by sudden closing caused by failure of the threads when the size of the opening is adjusted only through the threaded structure can be effectively solved, and a good adjusting effect can be realized through the cooperation of the spiral groove 6 and the support rod 7, so that the situation that the upper support plate and the lower support plate are suddenly closed can be avoided.
According to the invention, through the cooperation of the spiral groove 6, the support rod 7 and the sliding block 12, the support rod 7 does not move when the spiral groove 6 does not rotate, and finally, the device is stably fixed in the oral cavity when the first rotating shaft 4 stops moving.
The invention has novel conception, ingenious structure and strong practicability, can realize the size of the oral cavity opening, has rapid adjusting process and continuous adjusting opening size, can adapt to the requirements of different oral cavity sizes, and can be stably fixed in the oral cavity.
Claims (6)
1. The anesthesia mouth gag with the adjustable opening size comprises a shell (1), and is characterized in that an upper supporting plate (2) capable of rotating in a vertical plane is hinged above the shell (1), the left end of the upper supporting plate (2) is positioned at the left side of the shell (1), a lower supporting plate (3) with the left end positioned at the left side of the shell (1) is arranged on the upper end surface of the shell (1), a first rotating shaft (4) which is horizontally placed in the left-right direction and can rotate around the axis of the first rotating shaft (4) and is positioned in the shell (1), a small left-right large conical table (5) coaxial with the first rotating shaft (4) is fixed on the first rotating shaft (4), a spiral groove (6) coaxial with the conical table (5) is formed in the conical table (5), a supporting rod (7) with the upper end penetrating through the shell (1) and being in contact with the upper supporting plate (2) is arranged in the spiral groove (6), the lower end of the supporting rod (7) can slide in the spiral groove (6), and simultaneously, when the first rotating shaft (4) rotates around the spiral groove (6) and can rotate clockwise, and simultaneously, the supporting rod (7) can be driven to rotate clockwise and move clockwise through the spiral groove (7) and can rotate clockwise when the first rotating shaft (4), the supporting rod (7) can move downwards and simultaneously move leftwards;
Two vertical plates (8) which are symmetrical front and back and are vertically arranged are fixed on the upper end face of the shell (1), a lug (9) arranged between the two vertical plates (8) is arranged on the right end face of the upper supporting plate (2), a second rotating shaft (10) in the front-back direction is arranged between the vertical plates (8) and the lug (9), clearance fit is realized between the lug (9) and the second rotating shaft (10), and the lug (9) can rotate around the second rotating shaft (10);
The upper end face of the shell (1) is provided with a horizontal chute (11) which is vertically communicated, the front side wall and the rear side wall of the chute (11) are provided with T-shaped grooves in the left-right direction, the chute (11) is internally provided with a sliding block (12), the front side wall and the rear side wall of the sliding block (12) are respectively provided with a T-shaped block which is arranged in the T-shaped grooves and can move left and right along the T-shaped grooves, the sliding block (12) is provided with a vertical through hole (13), and the supporting rod (7) is arranged in the through hole (13).
2. The anesthesia mouth gag with the adjustable opening size according to claim 1, characterized in that a clearance fit is formed between the supporting rod (7) and the sliding block (12), the upper end of the supporting rod (7) is located above the sliding block (12), a tension spring (14) is sleeved on the supporting rod (7) located between the sliding block (12) and the upper supporting plate (2), the upper end of the tension spring (14) is fixed on the supporting rod (7), and the lower end of the tension spring (14) is fixed on the sliding block (12).
3. The anesthesia mouth gag with the adjustable opening size according to claim 1, characterized in that the left ends of the upper support plate (2) and the lower support plate (3) are respectively provided with a detachable tooth female die (16), the upper support plate (2), the lower support plate (3) and the corresponding tooth female die (16) are connected through transverse shafts in the front-back direction, the transverse shafts are connected with the tooth female die (16) through flat keys, the tooth female die (16) and the corresponding upper support plate (2) and the lower support plate (3) are not rotatable, the tooth female die (16) can be provided with different shapes, and different tooth female dies (16) are selected according to the shapes of teeth of patients.
4. The anesthesia mouth gag with the adjustable opening size according to claim 1, characterized in that a vertical guide groove (17) is formed in the left side face of the shell (1), a vertical plate (18) vertically placed in the front-back direction is arranged in the guide groove (17), vertical T-shaped grooves are formed in the front-back side wall of the guide groove (17), T-shaped blocks arranged in the T-shaped grooves are arranged on the front-back side wall of the vertical plate (18), the vertical plate (18) can move up and down in the guide groove (17) through connection of the T-shaped blocks and the T-shaped grooves, positioning bolts (19) in the front-back direction are arranged on the shell (1) on the front side and the back side of the guide groove (17), the inner ends of the positioning bolts (19) can be in contact with the side walls of the vertical plate (18), a transverse plate (23) located on the left side of the shell (1) is arranged at the lower end of the vertical plate (18), through grooves (20) are formed in the left end of the transverse plate (23), first transverse plates (23) which are vertically connected with elastic through holes (21) on two ends of a rope (21), and two ends of the rope (21) are correspondingly connected with first elastic through holes (21).
5. The anesthesia mouth gag with the adjustable opening size according to claim 1, wherein the right end of the first rotating shaft (4) penetrates through the right side plate of the shell (1) and is located on the right side of the shell (1), a handle (15) is installed at the right end of the first rotating shaft (4), and a rotating bearing is installed between the first rotating shaft (4) and the left side plate and the right side plate of the shell (1).
6. The anesthesia mouth gag with the adjustable opening size according to claim 1, wherein a plurality of horizontal lightening holes are formed on the cone frustum (5), and the front side wall and the rear side wall of the shell (1) are removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101942.3A CN109077697B (en) | 2018-09-20 | Anesthesia mouth gag with adjustable opening size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101942.3A CN109077697B (en) | 2018-09-20 | Anesthesia mouth gag with adjustable opening size |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109077697A CN109077697A (en) | 2018-12-25 |
| CN109077697B true CN109077697B (en) | 2024-06-25 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207590651U (en) * | 2017-05-03 | 2018-07-10 | 赵艳军 | A kind of anesthetic spreader convenient for adjusting opening amplitude |
| CN208910190U (en) * | 2018-09-20 | 2019-05-31 | 郑州儿童医院 | A kind of adjustable anesthetic spreader of openings of sizes |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207590651U (en) * | 2017-05-03 | 2018-07-10 | 赵艳军 | A kind of anesthetic spreader convenient for adjusting opening amplitude |
| CN208910190U (en) * | 2018-09-20 | 2019-05-31 | 郑州儿童医院 | A kind of adjustable anesthetic spreader of openings of sizes |
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