CN208910189U

CN208910189U - It is a kind of to facilitate the anesthetic spreader for adjusting and being open

Info

Publication number: CN208910189U
Application number: CN201821542191.4U
Authority: CN
Inventors: 陈莹丽; 陈丹丹; 邱永升
Original assignee: Zhengzhou Childrens Hospital
Current assignee: Zhengzhou Childrens Hospital
Priority date: 2018-09-20
Filing date: 2018-09-20
Publication date: 2019-05-31
Anticipated expiration: 2028-09-20

Abstract

The utility model relates to it is a kind of facilitate adjust be open anesthetic spreader, it be able to solve existing apparatus can not facilitate adjust opening amplitude, using complexity, and cannot be stable holding open state the problem of；Its technical solution solved be include a shell, shell top is hinged with upper backup pad, and there is lower supporting plate in shell upper surface, there is horizontal axis in shell, has sleeve on horizontal axis, have eccentric wheel on sleeve, it is fluted on eccentric wheel, there is support rod in groove, has the frustum of a cone on horizontal axis, eccentric wheel has conical socket, when sleeve is located at left end, the frustum of a cone is located at left end and is not interposing in conical socket, and sleeve rotation band movable eccentric wheel rotates, eccentric wheel drives support rod mobile, and support rod drives upper backup pad rotation；Sleeve is located at right end, and the frustum of a cone is placed in conical socket, and eccentric wheel stops operating；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

It is a kind of to facilitate the anesthetic spreader for adjusting and being open

Technical field

The utility model relates to medical instruments fields, especially a kind of to facilitate the anesthetic spreader for adjusting and being open.

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 following problems, and 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, this opener needs to make a variety of rule Lattice adapt to different crowds.

For this purpose, be badly in need of design it is a kind of facilitate adjust be open anesthetic spreader solve existing apparatus can not facilitate adjusting be open Amplitude, using complexity, and cannot be stable holding open state the problem of.

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 Facilitate the anesthetic spreader for adjusting and being open, adjusting opening amplitude can not be facilitated by solving existing apparatus, using complexity, and cannot be stablized Holding open state the problem of.

Its technical solution solved is, including a shell, is hinged with a left end above shell and is located on the left of shell And the lower support that a left end is located on the left of shell can be installed on the upper backup pad of vertical rotation in surface, shell upper surface Plate is equipped with the horizontal positioned horizontal axis of a left and right directions in shell, and one is set on horizontal axis can rotate and can edge around horizontal axis The sleeve that horizontal axis moves left and right, be connected on the intracorporal sleeve of housing chamber one can with the co-rotational eccentric wheel of sleeve, A groove along eccentric wheel circumferencial direction is offered on the periphery of eccentric wheel, has a upper end on the upside of shell in groove Wall and vertical support rod with the lower end face contact of upper backup pad, being set with one on the horizontal axis on the left of eccentric wheel can be along horizontal axis The frustum of a cone left large and right small moved left and right, eccentric wheel offer and the mutually matched taper of the frustum of a cone close to the side of the frustum of a cone Groove, when sleeve is located at the left end of its displacement, the frustum of a cone is located at the left end of its displacement and is not interposing in conical socket, at this time Sleeve rotation band movable eccentric wheel rotates, and eccentric wheel rotation drives support rod to move up and down, to drive upper backup pad through support rod Rotation；When sleeve is located at the right end of its displacement, the frustum of a cone, which resets to the right, to be placed in conical socket, and eccentric wheel stops turning It is dynamic.

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 a left end and is located at The left side of shell 1 and a left end can be installed on the upper backup pad 2 of vertical rotation in surface, 1 upper surface of shell be located at 1 left side of shell The lower supporting plate 3 of side is equipped with the horizontal positioned horizontal axis 4 of a left and right directions in shell 1, and one is set on horizontal axis 4 can be around Horizontal axis 4 rotates and can be along the sleeve 5 that horizontal axis 4 moves left and right, and being connected with one on the intracorporal sleeve 5 of 1 chamber of shell can be with set 5 co-rotational eccentric wheels 6 of cylinder, offer a groove 7 along 6 circumferencial direction of eccentric wheel, groove on the periphery of eccentric wheel 6 There is a upper end through 1 upper side wall of shell and the vertical support rod 8 with the lower end face contact of upper backup pad 2, eccentric wheel 6 in 7 The frustum of a cone 9 left large and right small that can be moved left and right along horizontal axis 4 is set on the horizontal axis 4 in left side, eccentric wheel 6 is close to the frustum of a cone 9 side offers and the mutually matched conical socket 10 of the frustum of a cone 9, when sleeve 5 is located at the left end of its displacement, the frustum of a cone 9 Positioned at its displacement left end and be unlikely in conical socket 10, at this time sleeve 5 rotation band movable eccentric wheel 6 rotate, 6 turns of eccentric wheel It is dynamic that support rod 8 is driven to move up and down, to drive upper backup pad 2 to rotate through support rod 8；When sleeve 5 is located at the most right of its displacement When end, the frustum of a cone 9, which resets to the right, to be placed in conical socket 10, and eccentric wheel 6 stops operating.

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 11 symmetrically and vertically placed is equipped with the convex block being placed between two vertical plates 11 on the right side of upper backup pad 2 12, second shaft 13 in the front-back direction is installed between vertical plate 11 and convex block 12, between convex block 12 and the second shaft 13 between Gap cooperation, convex block 12 can be rotated around the second shaft 13.

In order to realize that support rod 8 can move up and down in shell 1, gap is matched between 1 top plate of the support rod 8 and shell It closes, the upper end of support rod 8 is located at 1 top of shell, is set with tension spring on the support rod 8 between shell 1 and upper backup pad 2 14, the upper end of tension spring 14 is fixed on support rod 8, and the lower end of tension spring 14 is fixed on 1 upper surface of shell, when sleeve 5 rotates, Support rod 8 can be driven to move up and down through eccentric wheel 6.

In order to realize the frustum of a cone 9 can be moved left and right on horizontal axis 4 and not can be rotated, between the horizontal axis 4 and the frustum of a cone 9 It is connected by flat key, pressure spring 16 is set on the horizontal axis 4 on the left side wall of the frustum of a cone 9 and shell 1, the left end of pressure spring 16 is fixed on On 1 left side wall of shell, the right end of pressure spring 16 is fixed on the frustum of a cone 9, and when the frustum of a cone 9 is moved to the left, pressure spring 16 is compressed, circle After frustum 9 is released, under the action of 16 pressure of pressure spring, the frustum of a cone 9 moves right reset.

In order to realize that the rotation of sleeve 5 can be rotated with movable eccentric wheel 6, connected between the sleeve 5 and eccentric wheel 6 by spline It connects.

It when in order to realize that the frustum of a cone 9 is located in conical socket 10, is not slided between the frustum of a cone 9 and eccentric wheel 6, the circle It is all attached with rubber layer on the outer end face and conical socket 10 of frustum 9, by the cooperation of rubber layer, increases friction between the two Power, so that not slided between the frustum of a cone 9 and eccentric wheel 6.

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 18 of disassembly, by horizontal in the front-back direction between upper backup pad 2, lower supporting plate 3 and corresponding tooth cavity plate 18 Axis 4 connects, and passes through flat key connection, tooth cavity plate 18 and corresponding upper backup pad 2, lower supporting plate 3 between horizontal axis 4 and tooth cavity plate Between not can be rotated, the settable different shape of tooth cavity plate 18 selects different tooth cavity plates according to the shape of patient teeth 18。

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 19, the riser 20 for having a front-rear direction to place vertically in guide groove 19, guiding are offered on 1 left side Vertical T-slot is offered on the front-rear side walls of slot 19, there is the T-block being placed in T-slot, riser on the front-rear side walls of riser 20 20 connections through T-block and T-slot can move up and down in guide groove 19, be equipped on the shell 1 of 19 front and rear sides of guide groove The inner end of positioning bolt 21 in the front-back direction, positioning bolt 21 can be contacted with the side wall of riser 20, and the lower end of riser 20 is equipped with One is located at the transverse slat 22 in 1 left side of shell, and the left end of transverse slat 22 offers through slot up and down, the transverse slat of through slot front and rear sides Vertical first through hole 23 is offered on 22, and elastic rope 24, the both ends difference of elastic rope 24 are connected in first through hole 23 It is connected in corresponding first through hole 23.

For the ease of the rotation of sleeve 5, the right end of the sleeve 5 through 1 right side plate of shell and is located at 1 right side plate of shell Right side, 5 right end of sleeve are equipped with a handle 17, and rotational handle 17 may make sleeve 5 to rotate.

In order to reduce the weight of the present apparatus, the lightening hole of multiple levels is offered on the frustum of a cone 9, before shell 1 Rear wall removes, and whole device uses medical light plastic, the final weight for reducing whole device.

Before the use, upper support bar 8 is located at the bottom of its displacement to the utility model, and upper backup pad 2 is located at its displacement Bottom, the frustum of a cone 9 is located at the right end of its displacement, and the frustum of a cone 9 is located in conical socket 10, and pressure spring 16 is in former long, drawing Spring 14 is in former long.

When the utility model is used, the lower teeth of patient is placed in the tooth cavity plate 18 of lower supporting plate 3, upper teeth is set In in the tooth cavity plate 18 of upper backup pad 2, the head of patient is passed through into elastic rope 24, and neck is made to be placed in the logical of transverse slat 22 In slot, so that the present apparatus is fixed on patient's neck, adjust riser 20 in guide groove 19 and position to proper height, then The positioning bolt 21 of 19 front and rear sides of rotary steering groove, so that the position of 21 fixed vertical plate 20 of positioning bolt, then pushes to the left Sleeve 5, sleeve 5 are contacted with the frustum of a cone 9 first, and the frustum of a cone 9 is driven to be moved to the left, and pressure spring 16 is compressed, and the frustum of a cone 9 removes cone Connected in star 10, then rotational sleeve 5, sleeve 5 are rotated with movable eccentric wheel 6, and eccentric wheel 6 rotates, and support rod 8 is driven to move up, Tension spring 14 is stretched, and support rod 8 moves up, and drives upper backup pad 2 rotationally clockwise, and upper backup pad 2 is clockwise When rotation, the mouth of user is supported to magnify, when opening in the oral cavity of patient to suitable size, stop operating sleeve 5, at this time The oral cavity of patient is flared suitable openings of sizes, then pulls sleeve 5 to the right, and sleeve 5 moves right, and the frustum of a cone 9 is being pressed It moves right and is placed in conical socket 10 under the action of 16 pressure of spring, the position of eccentric wheel 6 is fixed, at this time the oral cavity quilt of patient Fixed to suitable openings of sizes.

It is worth noting that, during sleeve 5 moves right, the spline length long enough on sleeve 5, in sleeve 5 During moving right, it is biased to wheel and does not rotate, until the frustum of a cone 9 is placed in conical socket 10, whole process eccentric wheel 6 does not turn It is dynamic.

After having used the present apparatus, sleeve 5 can be pushed to the left again, sleeve 5 pushes the frustum of a cone 9 to be moved to the left removal again The position of conical socket 10, eccentric wheel 6 is released, and then reversely rotates sleeve 5, and sleeve 5 is rotated with movable eccentric wheel 6, support rod 8 It moves down and resets under the action of tension spring 14, the present apparatus is finally removed into patient oral cavity.

The utility model passes through the mating reaction of eccentric wheel 6, support rod 8, sleeve 5, and turning for upper backup pad 2 may be implemented Dynamic, the final angle for realizing upper backup pad 2 and lower supporting plate 3 realizes the different openings of sizes in patient oral cavity, easy to operate, adjusts It is whole quick.

The utility model is by the frustum of a cone 9, conical socket 10, the mating reaction of pressure spring 16, it can be achieved that consolidating for support rod 8 It is fixed, it is final to realize the oral cavity opening of patient to suitable size and fixation, equipment safety is entirely fixed, is stablized, it is effective to place The revolution of eccentric wheel 6.

Claims

1. a kind of facilitate the anesthetic spreader for adjusting and being open, including a shell (1), which is characterized in that the shell (1) Top is hinged with a left end and is located on the left of shell (1) and can be in the upper backup pad (2) of vertical rotation in surface, shell (1) upper end The lower supporting plate (3) that one left end is located on the left of shell (1) is installed on face, a left and right directions water is installed in shell (1) The horizontal axis (4) of placing flat, one is set on horizontal axis (4) can rotate and can be along the sleeve that horizontal axis (4) move left and right around horizontal axis (4) (5), one is connected on the intracorporal sleeve of shell (1) chamber (5) can be eccentric with sleeve (5) co-rotational eccentric wheel (6) It takes turns and offers a groove (7) along eccentric wheel (6) circumferencial direction on the periphery of (6), there is a upper end to run through in groove (7) Shell (1) upper side wall and vertical support rod (8) with the lower end face contact of upper backup pad (2), the horizontal axis on the left of eccentric wheel (6) (4) frustum of a cone (9) left large and right small that can be moved left and right along horizontal axis (4) is set on, eccentric wheel (6) is close to the frustum of a cone (9) side offers and the frustum of a cone (9) mutually matched conical socket (10), when sleeve (5) is located at the left end of its displacement, The frustum of a cone (9) is located at the left end of its displacement and is unlikely in conical socket (10), the band movable eccentric wheel of sleeve (5) rotation at this time (6) it rotates, eccentric wheel (6) rotation drives support rod (8) to move up and down, to drive upper backup pad (2) to turn through support rod (8) It is dynamic；When sleeve (5) is located at the right end of its displacement, the frustum of a cone (9), which resets to the right, to be placed in conical socket (10), eccentric wheel (6) it stops operating.

2. a kind of anesthetic spreader for facilitating adjusting to be open according to claim 1, which is characterized in that the shell (1) fixed there are two the vertical plate (11) 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 (12) being placed between two vertical plates (11), a front-rear direction is installed between vertical plate (11) and convex block (12) The second shaft (13), clearance fit between convex block (12) and the second shaft (13), convex block (12) can around the second shaft (13) turn It is dynamic.

3. a kind of anesthetic spreader for facilitating adjusting to be open according to claim 1, which is characterized in that the support rod (8) clearance fit between shell (1) top plate, the upper end of support rod (8) are located above shell (1), are located at shell (1) and upper branch It is set with tension spring (14) on support rod (8) between fagging (2), the upper end of tension spring (14) is fixed on support rod (8), tension spring (14) lower end is fixed on shell (1) upper surface.

4. a kind of anesthetic spreader for facilitating adjusting to be open according to claim 1, which is characterized in that the horizontal axis (4) it is connect between the frustum of a cone (9) by flat key, is set on the horizontal axis (4) on the left side wall of the frustum of a cone (9) and shell (1) Pressure spring (16), the left end of pressure spring (16) are fixed on shell (1) left side wall, and the right end of pressure spring (16) is fixed on the frustum of a cone (9).

5. a kind of anesthetic spreader for facilitating adjusting to be open according to claim 1, which is characterized in that the sleeve (5) it is connect between eccentric wheel (6) by spline.

6. a kind of anesthetic spreader for facilitating adjusting to be open according to claim 1, which is characterized in that the frustum of a cone (9) it is all attached with rubber layer on outer end face and conical socket (10), passes through the cooperation of rubber layer.

7. a kind of anesthetic spreader for facilitating adjusting to be open 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 (18), upper backup pad (2), lower supporting plate (3) it is connected by horizontal axis (4) in the front-back direction between corresponding tooth cavity plate (18), between horizontal axis (4) and tooth cavity plate It is connected, not can be rotated between tooth cavity plate (18) and corresponding upper backup pad (2), lower supporting plate (3), tooth cavity plate by flat key (18) settable different shape selects different tooth cavity plates (18) according to the shape of patient teeth.

8. a kind of anesthetic spreader for facilitating adjusting to be open according to claim 1, which is characterized in that the shell (1) it is offered on left side vertical guide groove (19), the riser for thering is a front-rear direction to place vertically in guide groove (19) (20), vertical T-slot is offered on the front-rear side walls of guide groove (19), is placed in T-slot on the front-rear side walls of riser (20) Interior T-block, the connection of riser (20) through T-block and T-slot can move up and down in guide groove (19), before and after guide groove (19) Positioning bolt (21) in the front-back direction are installed, the inner end of positioning bolt (21) can be with riser (20) on the shell (1) of two sides Side wall contact, the lower end of riser (20) are equipped with the transverse slat (22) being located on the left of shell (1), and the left end of transverse slat (22) opens up There is through slot up and down, offers vertical first through hole (23), first through hole on the transverse slat (22) of through slot front and rear sides (23) it is connected on elastic rope (24), the both ends of elastic rope (24) are connected on corresponding first through hole (23).

9. a kind of anesthetic spreader for facilitating adjusting to be open according to claim 1, which is characterized in that the sleeve (5) right end is through shell (1) right side plate and is located on the right side of shell (1) right side plate, and sleeve (5) right end is equipped with a handle (17).

10. a kind of anesthetic spreader for facilitating adjusting to be open according to claim 1, which is characterized in that the circular cone The lightening hole of multiple levels is offered on platform (9), the front-rear side walls of shell (1) remove, and whole device is moulded using medical lightweight Material, the final weight for reducing whole device.