CN208910190U - A kind of adjustable anesthetic spreader of openings of sizes - Google Patents
A kind of adjustable anesthetic spreader of openings of sizes Download PDFInfo
- Publication number
- CN208910190U CN208910190U CN201821543258.6U CN201821543258U CN208910190U CN 208910190 U CN208910190 U CN 208910190U CN 201821543258 U CN201821543258 U CN 201821543258U CN 208910190 U CN208910190 U CN 208910190U
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- CN
- China
- Prior art keywords
- shell
- support rod
- rotating shaft
- backup pad
- openings
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to a kind of adjustable anesthetic spreader of openings of sizes, it, which is able to solve existing apparatus and can not facilitate, adjusts opening amplitude, using complexity, and cannot be stable holding open state the problem of；Its solve technical solution be include a shell, upper backup pad is hinged with above shell, there is a lower supporting plate on shell upper surface, there is first rotating shaft in shell, there is the frustum of a cone in first rotating shaft, there is spiral groove on the frustum of a cone, there is support rod in spiral groove, when first rotating shaft is rotated around direction identical with spiral groove rotation direction, support rod can be driven to move up through spiral groove while moved right, support rod pushes upper backup pad to rotate clockwise simultaneously, and when first rotating shaft steering is opposite, support rod can be moved down and is moved to the left simultaneously；The size of oral cavity opening can be achieved, adjustment process is quick, and the size for adjusting opening is continuous, adapt to the needs of different oral cavity sizes, and can be stable be fixed in oral cavity.
Description
Technical field
The utility model relates to medical instruments field, especially a kind of adjustable anesthetic spreader of openings of sizes.
Background technique
Anesthetic spreader is to a kind of instrument for keeping patient oral cavity open in anesthesia surgery, in the operation of general anesthesia throat
It is especially common.It is linked between current existing anesthetic spreader frame lower and upper cross-member with curved metal beam；Not for different patients
Can facilitate adjust opening amplitude, it is inconvenient to use, cannot be convenient and safe make patient keep open state, opened to by patient
After mouthful, only there is limiting device, do not have locking device, holding open state that cannot be stable is easy to fall off to cause two to patient
Secondary injury；
Meanwhile application No. is 201120267417.6, Authorization Notice No. are as follows: the patent of CN202136317U provides one kind
Title are as follows: the patent of oral cavity expansion supporter provides a kind of hinged by two support plates, passes through one between two support plates
With externally threaded support rod and a nut, adjust the scheme of the size of opening by rotating nut, this scheme can play with
Meaning adjusts the effect of openings of sizes, and still, this scheme has the disadvantage that, the speed of adjusting is affected by thread pitch,
The speed of adjusting is slow, when need continue to perform an operation to patient when, due to the extension of regulating time can delay treatment it is best when
Machine, meanwhile, using the structural instability of screw thread, after screw thread uses the long period, stripped thread can occur due to the abrasion of screw thread
Phenomenon, so that openings of sizes can not be adjusted；Simultaneously in use, due to the force to two support plates, screw thread can be accelerated
Breakage, screw thread is damaged, can make entire opener sudden stoppage, this phenomenon is abnormally dangerous in the course of surgery, can be to disease
It is artificial at secondary grievous injury；Although such opener can adjust the size of opening amplitude again, it is supported bar height
The influence of degree can not adapt to all groups, and children differ larger with adult oral cavity size, which needs to make a variety of rule
Lattice adapt to different crowds.
It solves existing apparatus for this purpose, being badly in need of designing a kind of adjustable anesthetic spreader of openings of sizes and can not quickly adjust opening
Amplitude, using complexity, and holding open state that cannot be stable, and the problem of do not adapt to all groups.
Utility model content
For above situation, to solve problems of the prior art, the purpose of the utility model is just to provide one kind
The adjustable anesthetic spreader of openings of sizes, solve existing apparatus can not fast and easy adjust opening amplitude, using complexity, and cannot
Stable holding open state, and the problem of do not adapt to all groups.
Its technical solution solved is, including a shell, and being hinged with one above shell can be in vertical rotation in surface
Upper backup pad, the left end of upper backup pad is located at the left side of shell, and a left end is equipped on shell upper surface and is located at a shell left side
The lower supporting plate of side, be equipped in shell a left and right directions it is horizontal positioned and can be rotatable around its axis first rotating shaft, be located at
A left small and right large frustum of a cone coaxial with first rotating shaft is fixed in the intracorporal first rotating shaft of shell, offered on the frustum of a cone with
The frustum of a cone coaxial spiral groove has in spiral groove a upper end through shell and the support that contacts with upper backup pad
The lower end of bar, support rod can be slided in spiral groove, when first rotating shaft turns around direction identical with spiral groove rotation direction
When dynamic, support rod can be driven to move up through spiral groove while moved right, while support rod pushes upper backup pad up time
Needle rotation, when first rotating shaft steering is opposite, support rod can be moved down and is moved to the left simultaneously.
The utility model is novel, clever structure, it is practical, it can be achieved that oral cavity opening size, adjustment process is fast
Speed, the size for adjusting opening is continuous, adapts to the needs of different oral cavity sizes, and can be stable be fixed in oral cavity.
Detailed description of the invention
Fig. 1 is the utility model use process main view sectional view.
Fig. 2 is the utility model main view.
Fig. 3 is the utility model three-dimensional figure.
Specific embodiment
Specific embodiment of the present utility model is described in further details below in conjunction with attached drawing.
It is provided by Fig. 1 to Fig. 3, the utility model includes a shell 1, and the top of shell 1 is hinged with one can be vertical
The upper backup pad 2 of rotation in surface, the left end of upper backup pad 2 are located at the left side of shell 1, are equipped with one on the upper surface of shell 1
Left end is located at the lower supporting plate 3 in 1 left side of shell, and a left and right directions is equipped in shell 1 and is horizontally arranged and can turn around its axis
Dynamic first rotating shaft 4 is fixed with a left small and right large circle coaxial with first rotating shaft 4 in the first rotating shaft 4 in shell 1
Frustum 5 offers the spiral groove 6 coaxial with the frustum of a cone 5 on the frustum of a cone 5, has a upper end through shell in spiral groove 6
The lower end of body 1 and the support rod 7 contacted with upper backup pad 2, support rod 7 can be slided in spiral groove 6, when first rotating shaft 4
Around direction identical with 6 rotation direction of spiral groove rotate when, can through spiral groove 6 drive support rod 7 move up and meanwhile to
It moves right, while support rod 7 pushes upper backup pad 2 to rotate clockwise, when first rotating shaft 4 turns to opposite, support rod 7 can be downward
It is mobile to be simultaneously moved to the left simultaneously.
In order to realize that upper backup pad 2 can be fixed on vertical rotation in surface, the upper surface of the shell 1 there are two front and back
The vertical plate 8 symmetrically and vertically placed is equipped with the convex block being placed between two vertical plates 89 on the right side of upper backup pad 2,
One the second shaft 10 in the front-back direction is installed between vertical plate 8 and convex block 9, clearance fit between convex block 9 and the second shaft 10,
Convex block 9 can be rotated around the second shaft 10.
In order to realize that support rod 7 can move left and right in shell 1, offered on one on the upper surface of the shell 1
The horizontal sliding slot 11 of lower perforation offers the T-type groove of left and right directions on the front-rear side walls of sliding slot 11, has one in sliding slot 11
Sliding block 12 respectively has on the front-rear side walls of sliding block 12 one to be placed in T-type groove and can be sliding along the T-block that T-type groove moves left and right
A vertical through-hole 13 is offered on block 12, support rod 7 is placed in through-hole 13, when first rotating shaft 4 is revolved around with spiral groove 6
When rotating to identical direction, support rod 7 can be driven to move right through spiral groove 6.
In order to realize that support rod 7 can move up and down in shell 1, clearance fit between the support rod 7 and sliding block 12,
The upper end of support rod 7 is located above plate, is set with tension spring 14, tension spring on the support rod 7 between plate and upper backup pad 2
14 upper end is fixed on support rod 7, and the lower end of tension spring 14 is fixed on sliding block 12, when first rotating shaft 4 around with spiral groove 6
When the identical direction of rotation direction rotates, support rod 7 can be driven to move up through spiral groove 6, tension spring 14 is stretched.
In order to increase the comfort level of user, the left end of the upper backup pad 2 and lower supporting plate 3 is mounted on one can
The tooth cavity plate 16 of disassembly, by horizontal in the front-back direction between upper backup pad 2, lower supporting plate 3 and corresponding tooth cavity plate 16
Axis connection is connected between horizontal axis and tooth cavity plate 16 by flat key, tooth cavity plate 16 and corresponding upper backup pad 2, lower supporting plate 3
Between not can be rotated, the settable different shape of tooth cavity plate 16 selects different tooth cavity plates according to the shape of patient teeth
16。
In order to realize when in use, the present apparatus can be good at being fixed, and mitigate the burden of patient teeth, the shell
Vertical guide groove 17, the riser 18 for having a front-rear direction to place vertically in guide groove 17, guiding are offered on 1 left side
Vertical T-slot is offered on the front-rear side walls of slot 17, there is the T-block being placed in T-slot, riser on the front-rear side walls of riser 18
18 connections through T-block and T-slot can move up and down in guide groove 17, be equipped on the shell 1 of 17 front and rear sides of guide groove
The inner end of positioning bolt 19 in the front-back direction, positioning bolt 19 can be contacted with the side wall of riser 18, and the lower end of riser 18 is equipped with
One is located at the transverse slat 23 in 1 left side of shell, and the left end of transverse slat 23 offers through slot 20 up and down, 20 front and rear sides of through slot
Vertical first through hole 21 is offered on transverse slat 23, and elastic rope 22, the both ends of elastic rope 22 are connected in first through hole 21
It is connected in corresponding first through hole 21.
For the ease of the rotation of first rotating shaft 4, the right end of the first rotating shaft 4 is located at shell 1 through 1 right side plate of shell
Right side, 4 right end of first rotating shaft are equipped with a handle 15, rotation are mounted between first rotating shaft 4 and the left side plate of shell 1
Bearing, rotational handle 15 may make first rotating shaft 4 to rotate around rolling bearing.
In order to reduce the weight of the present apparatus, the lightening hole of multiple levels is offered on the frustum of a cone 5, before shell 1
Rear wall removes, and the present apparatus uses lightweight medical material, to reduce the weight of whole device.
Before the use, sliding block 12 is located at the left end of sliding slot 11 to the utility model, and support rod 7 is located at the most left of its displacement
End, the lower end of support rod 7 are located in spiral groove 6, and are located at the small end of spiral groove 6, the upper end of branch s strut and upper branch
The bottom face contact of fagging 2, upper backup pad 2 are located at the bottom of its displacement, and tension spring 14 is in former long.
When the utility model is used, the lower teeth of patient is placed in the tooth cavity plate 16 of lower supporting plate 3, upper teeth is set
In in the tooth cavity plate 16 of upper backup pad 2, the head of patient is passed through into elastic rope 22, and neck is made to be placed in the logical of transverse slat 23
In slot 20, so that the present apparatus is fixed on patient's neck, position of the riser 18 in guide groove 17 is adjusted to proper height, then
The positioning bolt 19 of 17 front and rear sides of rotary steering groove so that the position of 19 fixed vertical plate 18 of positioning bolt, then along and spiral
The identical direction of 6 rotation direction of connected in star rotates first rotating shaft 4, and first rotating shaft 4 rotates, and the frustum of a cone 5 is driven to rotate, and the frustum of a cone 5 rotates
When, since the lower end of support rod 7 is located in spiral groove 6, and the left end diameter of the frustum of a cone 5 is less than right end diameter, spiral shape
The left end diameter of 6 bottom of groove is less than right end diameter, so, when the frustum of a cone 5 rotates, pushed away under the action of spiral groove 6
Dynamic support rod 7 moves up, while support rod 7 moves right, and band movable slider 12 moves right, and when support rod 7 moves up, draws
Spring 14 is stretched, and during support rod 7 moves right upwards, 7 upper end of support rod pushes upper support bar 7 around the second shaft
10 rotate clockwise, when opening in the oral cavity of patient to suitable size, the first rotating shaft that stops operating 4, and the oral cavity of patient at this time
It is fixed to suitable openings of sizes.
Significantly, since support rod 7 is contacted with spiral groove 6, spiral groove 6 carries out certainly support rod 7
Lock, when not rotating first rotating shaft 4, support rod 7 is unable to drive the rotation of the frustum of a cone 5, so support rod 7 can not move down, by
The oral cavity of this patient can be fixed suitable openings of sizes.
After having used the present apparatus, first rotating shaft 4 can be reversely rotated, under the action of spiral groove 6, drives support rod
7 reset to the left, and when support rod 7 is moved to the left, tension spring 14 drives support rod 7 to move down reset, and upper backup pad 2 rotates counterclockwise
It resets, the present apparatus is finally removed into patient oral cavity.
The utility model by spiral groove 6, mating reaction with support rod 7, it can be achieved that when the frustum of a cone 5 rotates,
It drives support rod 7 to move up and down and move left and right, so as to adjust the angle between upper backup pad 2 and lower supporting plate 3, and then adjusts
The size of patient's oral cavity opening degree, and support rod 7 moves up while, moves right, and entire adjustment process is more accelerated
Speed, entire adjustment process is easy to operate, can reach good adjustment effect.
The utility model passes through spiral groove 6, the mating reaction of support rod 7 and the frustum of a cone 5, upper backup pad 2 and lower branch
Opening angle between fagging 3 can carry out large range of adjusting, when avoiding the degree of existing opener adjusting size, by
The problem of being influenced to support rod length；The present apparatus is suitable for the adjusting from baby to the openings of sizes in adult different oral cavities.
The utility model can effectively solve only to pass through screw thread by the mating reaction of spiral groove 6 and support rod 7
When structure adjusts openings of sizes, due to thread failure, caused by can not adjust openings of sizes, or caused by be closed suddenly to patient
The problem of bringing serious secondary injury can realize that preferable adjust is imitated by the mating reaction of spiral groove 6 and support rod 7
Fruit can be avoided the situation that upper and lower support plate is closed suddenly.
The utility model is by the mating reaction of spiral groove 6, support rod 7, sliding block 12, it can be achieved that spiral groove 6
When not rotating, support rod 7 is not moved, final to realize that the present apparatus is stably fixed to oral cavity when first rotating shaft 4 stops mobile
It is interior.
The utility model is novel, clever structure, it is practical, it can be achieved that oral cavity opening size, adjustment process is fast
Speed, the size for adjusting opening is continuous, adapts to the needs of different oral cavity sizes, and can be stable be fixed in oral cavity.
Claims (8)
1. a kind of adjustable anesthetic spreader of openings of sizes, including a shell (1), which is characterized in that the shell (1)
Top, which is hinged with one, to be located at a left side for shell (1) in the upper backup pad (2) of vertical rotation in surface, the left end of upper backup pad (2)
Side is equipped with the lower supporting plate (3) that a left end is located on the left of shell (1), installation in shell (1) on the upper surface of shell (1)
The first rotating shaft (4) for having a left and right directions horizontal positioned and can be rotatable around its axis, the first rotating shaft being located in shell (1)
(4) it is fixed with a left small and right large frustum of a cone (5) coaxial with first rotating shaft (4) on, is offered on the frustum of a cone (5) and circular cone
The coaxial spiral groove (6) of platform (5), have in spiral groove (6) upper end through shell (1) and with upper backup pad (2)
The support rod (7) of contact, the lower end of support rod (7) can the sliding in spiral groove (6), when first rotating shaft (4) around with spiral
When the rotation of connected in star (6) rotation direction identical direction, support rod (7) can be driven to move up while to the right through spiral groove (6)
It is mobile, while support rod (7) pushes upper backup pad (2) to rotate clockwise, when first rotating shaft (4) steering is opposite, support rod (7)
It can move down and be moved to the left simultaneously.
2. the adjustable anesthetic spreader of a kind of openings of sizes according to claim 1, which is characterized in that the shell
(1) fixed there are two the vertical plate (8) that front and back is symmetrical and places vertically on upper surface, it is installed on the right side of upper backup pad (2)
There is the convex block (9) being placed between two vertical plates (8), one in the front-back direction is equipped between vertical plate (8) and convex block (9)
Two shafts (10), clearance fit between convex block (9) and the second shaft (10), convex block (9) can be rotated around the second shaft (10).
3. the adjustable anesthetic spreader of a kind of openings of sizes according to claim 1, which is characterized in that the shell
(1) a horizontal sliding slot (11) up and down is offered on upper surface, offers a left side on the front-rear side walls of sliding slot (11)
The T-type groove of right direction, sliding slot (11) is interior a sliding block (12), respectively has one to be placed in T-type on the front-rear side walls of sliding block (12)
A vertical through-hole (13), support rod can be offered in groove and in the T-block that T-type groove moves left and right, sliding block (12)
(7) it is placed in through-hole (13).
4. the adjustable anesthetic spreader of a kind of openings of sizes according to claim 3, which is characterized in that the support rod
(7) clearance fit between sliding block (12), the upper end of support rod (7) are located above plate, be located at plate and upper backup pad (2) it
Between support rod (7) on be set with tension spring (14), the upper end of tension spring (14) is fixed on support rod (7), the lower end of tension spring (14)
It is fixed on sliding block (12).
5. the adjustable anesthetic spreader of a kind of openings of sizes according to claim 1, which is characterized in that the upper support
The left end of plate (2) and lower supporting plate (3) is mounted on a dismountable tooth cavity plate (16), upper backup pad (2), lower supporting plate
(3) it is connected by horizontal axis in the front-back direction between corresponding tooth cavity plate (16), is led between horizontal axis and tooth cavity plate (16)
Flat key connection is crossed, do not can be rotated between tooth cavity plate (16) and corresponding upper backup pad (2), lower supporting plate (3), tooth cavity plate
(16) settable different shape selects different tooth cavity plates (16) according to the shape of patient teeth.
6. the adjustable anesthetic spreader of a kind of openings of sizes according to claim 1, which is characterized in that the shell
(1) it is offered on left side vertical guide groove (17), the riser for thering is a front-rear direction to place vertically in guide groove (17)
(18), vertical T-slot is offered on the front-rear side walls of guide groove (17), is placed in T-slot on the front-rear side walls of riser (18)
Interior T-block, the connection of riser (18) through T-block and T-slot can move up and down in guide groove (17), before and after guide groove (17)
Positioning bolt (19) in the front-back direction are installed, the inner end of positioning bolt (19) can be with riser (18) on the shell (1) of two sides
Side wall contact, the lower end of riser (18) are equipped with the transverse slat (23) being located on the left of shell (1), and the left end of transverse slat (23) opens up
There is through slot (20) up and down, is offered vertical first through hole (21) on the transverse slat (23) of through slot (20) front and rear sides, the
It is connected on one through-hole (21) elastic rope (22), the both ends of elastic rope (22) are connected to corresponding first through hole (21)
On.
7. the adjustable anesthetic spreader of a kind of openings of sizes according to claim 1, which is characterized in that described first turn
The right end of axis (4) is located on the right side of shell (1) through shell (1) right side plate, and first rotating shaft (4) right end is equipped with a handle
(15), rolling bearing is mounted between first rotating shaft (4) and the left side plate of shell (1).
8. the adjustable anesthetic spreader of a kind of openings of sizes according to claim 1, which is characterized in that the frustum of a cone
(5) lightening hole of multiple levels is offered on, the front-rear side walls of shell (1) remove, and the present apparatus uses lightweight medical material, from
And reduce the weight of whole device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821543258.6U CN208910190U (en) | 2018-09-20 | 2018-09-20 | A kind of adjustable anesthetic spreader of openings of sizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821543258.6U CN208910190U (en) | 2018-09-20 | 2018-09-20 | A kind of adjustable anesthetic spreader of openings of sizes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208910190U true CN208910190U (en) | 2019-05-31 |
Family
ID=66706500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821543258.6U Expired - Fee Related CN208910190U (en) | 2018-09-20 | 2018-09-20 | A kind of adjustable anesthetic spreader of openings of sizes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208910190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109077697A (en) * | 2018-09-20 | 2018-12-25 | 郑州儿童医院 | A kind of adjustable anesthetic spreader of openings of sizes |
| CN112891145A (en) * | 2021-03-04 | 2021-06-04 | 江苏大学附属医院 | Radiotherapy clinical treatment is with opening a mouthful trainer |
-
2018
- 2018-09-20 CN CN201821543258.6U patent/CN208910190U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109077697A (en) * | 2018-09-20 | 2018-12-25 | 郑州儿童医院 | A kind of adjustable anesthetic spreader of openings of sizes |
| CN109077697B (en) * | 2018-09-20 | 2024-06-25 | 郑州儿童医院 | Anesthesia mouth gag with adjustable opening size |
| CN112891145A (en) * | 2021-03-04 | 2021-06-04 | 江苏大学附属医院 | Radiotherapy clinical treatment is with opening a mouthful trainer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20200920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |