CN209172270U - Laryngeal mirror lens - Google Patents

Abstract

The application embodiment discloses a kind of laryngeal mirror lens, including eyeglass main body, flange, convex closure and group tongue piece.Eyeglass main body includes proximal end, distal end and the middle part between proximally and distally, eyeglass main body includes curved upper and lower surfaces, the proximal end of eyeglass main body has an opening, and opening perforation is to middle part or segment distal to form a channel, and channel is to incoming image sampling instrument.Flange is located at the lower surface side of eyeglass main body, and flange is proximally extended with distal end respectively by middle part, and width proximally or is distally successively decreased by middle part, and flange converges on proximal end, and lower surface is to attach human oral cavity.Convex closure is located at the distal end of lower surface, to provoke epiglottis.Lower surface includes first segment, the second segment positioned at middle part and the third section positioned at proximal end positioned at distal end, wherein first segment is planarea, and second segment and third section are arc surface.

Description

Laryngeal mirror lens

Technical field

This application involves medical instruments field more particularly to a kind of laryngeal mirror lens.

Background technique

Visible laryngoscope is the common medical instrument for checking oral cavity and tracheae, observes oral cavity and throat group for healthcare givers Use, or manipulation tongue, glottis or larynx are knitted in order to be inserted into tracheal catheter or other devices.In the trachea cannula of anesthesia and emergency treatment In, healthcare givers can complete trachea cannula by laryngoscope screen, it is ensured that patient is safely and effectively performed the operation, and tracheae is reduced The complication of intubation.

Visible laryngoscope is higher in conventional airway intubation success rate, but in difficult airway, successful intubation still needs to mention It is high.It is tired that difficult airway refers to that the anesthetist with 5 years or more clinical anesthesia experiences is encountered in mask ventilation or trachea cannula A kind of difficult clinical setting.The some concrete embodiments of this difficult airway clinically are as follows: glottis exposure grade, mouth opening, first chin Distance, temporomandibular joint mobility, incidence mobility and upper front tooth are too long etc., and wherein mouth opening refers to above and below when maximum is dehisced Distance between front tooth, mouth opening can not be placed in laryngoscope when being less than two horizontal finger of 3cm or examiner, can greatly increase operating difficulty and wind Danger.Therefore, when encountering patient with lower glottis exposure grade and lesser mouth opening, healthcare givers cannot insert eyeglass Enter or cannot once be inserted into.And the lens dimension of visible laryngoscope is larger at present, is carrying out gas to the patient with difficult airway When cannula, it is easy to appear tracheal intubation difficulty or causes related complication.

Utility model content

The application embodiment provides a kind of suitable for the lesser laryngeal mirror lens of mouth opening.

In order to solve the above technical problems, the application provides a kind of laryngeal mirror lens, including eyeglass main body, flange and is dialled convex closure Tongue piece.The eyeglass main body includes proximal end, distal end and the middle part between the proximal end and the distal end, the eyeglass main body Including curved upper surface and relative to the curved lower surface of the upper surface, the proximal end of the eyeglass main body has one to open Mouthful, the opening perforation forms a channel to the middle part or the part distal end, and the channel is acquired to incoming image Tool.The flange is extended to form by the lower surface side of the eyeglass main body, and the flange is from the middle part respectively to described Proximal end and the distal end extend, and width proximally or is distally successively decreased by middle part, wherein and the flange converges on the proximal end, The flange and the lower surface are to attach human oral cavity.The convex closure is located at the distal end of the lower surface, to provoke meeting Detest.Wherein, the lower surface includes the first segment for being located at the distal end, positioned at the second segment at the middle part and positioned at the proximal end Third section, the first segment is planarea, and the second segment and the third section are arc surface.

In one embodiment, the curvature of the third section is greater than the curvature of the second segment.

In one embodiment, the curvature of the upper surface is less than the curvature of the lower surface second segment, and makes on described The distance of surface and the lower surface in the middle part is greater than the upper surface and the lower surface in the proximal end or described remote The distance at end.

In one embodiment, the cross section in the channel is in rectangle, and the channel has a upper inner surface and lower inner surface, The curvature of the upper inner surface and the lower inner surface is between the upper surface and the curvature of the lower surface second segment.

In one embodiment, the lower inner surface is adjacent with the lower surface and the two between there is a wall thickness, it is described The wall thickness of lower inner surface and the lower surface in the middle part is greater than it in the wall thickness of the proximal end or the distal end.

In one embodiment, the laryngeal mirror lens further include dial tongue piece, positioned at the side of the upper surface, the flange with Described group of tongue piece is located at the different sides of the eyeglass proximal, and described group of tongue piece extends towards distal end and cross with the flange In the convex closure, wherein the intersection of described group of tongue piece and the flange forms support construction.

In one embodiment, the minimum span of the cross section in the middle part of the laryngeal mirror lens is 12mm~14mm, the laryngoscope The minimum span of the cross section of eyeglass proximal end is 12mm~13mm, and the minimum span of the cross section of the laryngeal mirror lens proximal end is less than Or the minimum span equal to the cross section in the middle part of the laryngeal mirror lens.

In one embodiment, the eyeglass main body further includes the side wall between upper and lower surfaces, the flange Shape has angle between the side wall, the angle between 95 °~110 °, the angle make the flange with it is described An accommodating space is formed between eyeglass main body, the accommodating space is to be inserted into trachea cannula.

In one embodiment, the flange be provided on one side for being inserted into the trachea cannula close to the upper surface Channelizing line or cancave cambered surface.

Under the premise of meeting functional requirement, the structural improvement by doing small size and laryngoscope is set the laryngeal mirror lens of the application Meter makes laryngeal mirror lens that there is biggish accommodating space to be inserted into trachea cannula to be suitable for the small patient of mouth opening, is subject to Channelizing line medical assistance personnel operation, improves the trachea cannula success rate of healthcare givers, reduces operational risk.On the other hand, lead to Support construction is crossed, the overall stability of laryngeal mirror lens is reinforced, laryngeal mirror lens will not be damaged due to smaller and easy collided with of size Bad or twist distortion.

Detailed description of the invention

Fig. 1 is the laryngeal mirror lens sectional view of one embodiment of the application.

Fig. 2 is the laryngeal mirror lens schematic diagram of one embodiment of the application.

Fig. 3 is cross-sectional view in the middle part of the laryngeal mirror lens of one embodiment of the application.

Fig. 4 is cross-sectional view in the middle part of the laryngeal mirror lens of one embodiment of the application.

Fig. 5 is the laryngeal mirror lens distal end cross-sectional view of one embodiment of the application.

Specific embodiment

The application embodiment is described below with reference to the attached drawing in the application embodiment.

Fig. 1 is the laryngeal mirror lens schematic diagram of one embodiment of the application, and Fig. 2 is that the laryngeal mirror lens of one embodiment of the application are illustrated Figure.It please also refer to Fig. 1 and Fig. 2, in the embodiment of the application, a kind of laryngeal mirror lens 1, comprising: eyeglass main body 10, flange 20, convex closure 30 and dial tongue piece 40.The eyeglass main body 10 is including proximal end, distal end and between the proximal end and the distal end Middle part, the eyeglass main body 10 include curved upper surface 11 and the curved lower surface 12 relative to the upper surface 11, institute The proximal end for stating eyeglass main body 10 has an opening 13, and 13 perforation of opening is to the middle part or the part distal end to form one Channel 14, the channel 14 is to incoming image sampling instrument.The flange 20 by the eyeglass main body 10 12 side of lower surface While extend to form, the flange 20 is extended to the proximal end and the distal end respectively from the middle part, and width is from middle part to close End or distal end are successively decreased, wherein the flange 20 converges on the proximal end, and the flange 20 and the lower surface 12 are to attach people Body oral cavity.The convex closure 30 is located at the distal end of the lower surface 12, to provoke epiglottis.

As shown in Figure 1, the opening 13 is to be through to the middle part, it can be understood as the middle part in this embodiment A part or middle part whole, the channel does not reach the distal end；But the non-structure that the channel 13 is limited with this, institute Stating opening 13 can be to be through to part or all of distal end.

In one embodiment, the laryngeal mirror lens 1 are applicable to the patient of small mouth opening, under the premise of meeting function, Can each section of the laryngeal mirror lens 1 be done into small size as much as possible, and be designed to deal with by each component in laryngeal mirror lens 1 Laryngeal mirror lens will be done into the problem of small size is may cause.

In one embodiment, the flange 20 and the lower surface 12 are to attach human oral cavity, wherein the flange 20 It can be appreciated that a part of lower surface 12.

In one embodiment, the lower surface 12 includes first segment 121, the second segment 122 positioned at middle part positioned at distal end With the third section 123 for being located at proximal end.As shown in Figure 1, the first segment 121, the second segment 122 and the third section 123 with Dotted line is smooth transition as interval, and between the first segment 121, the second segment 122 and the third section 123.

As shown in Figure 1, in one embodiment, the first segment 121, between the second segment 122 and the third section 123 Proportionate relationship, can according to designer demand and adjusted, rather than limited with ratio shown in Figure of description It is fixed.

In one embodiment, the first segment 121 is planarea, and the second segment 122 and the third section 123 are circular arc Face, wherein the curvature of the third section 123 is greater than the curvature of the second segment 122, i.e., the bending degree of the described third section 123 Less than the bending degree of second segment 122.This is designed as the physiological structure for being applicable in human oral cavity, enable the lower surface 12 more It is bonded patient oral cavity, well to vacate more operating spaces.On the other hand can be located at mouth in the middle part of the laryngeal mirror lens 1 The deeper position of chamber facilitates healthcare givers to be placed in epiglottic vallecula by being located at the convex closure 30 of distal end, by applying lesser power just It can make the glottis exposure of patient.

In one embodiment, the curvature of the upper surface 11 is less than the curvature of the lower surface 12, and makes the upper table The distance of face 11 and the lower surface 12 in the middle part be greater than the upper surface 11 and the lower surface 12 in the proximal end or The distance of the distal end.In this embodiment, the curvature of the upper surface 11 may be, for example, less than the curvature of second segment 122 or small In the curvature of second segment 122 and third section 123.The middle part of the laryngeal mirror lens 1 is thicker, proximally and distally relatively thin, to prevent depth Enter the distal end of throat and the proximal end injury human oral cavity near tooth.

In one embodiment, the cross section in the channel 14 can may be designed in round or ellipse for example in rectangle Etc. shapes, this can be adjusted on demand, without restriction.The channel 14 have a upper inner surface 141 and it is on the other side it is lower in The curvature of surface 142, the upper inner surface 141 and the lower inner surface 142 is between the upper surface 11 and the lower surface Between two section 122 of curvature.Wherein, the curvature of the upper inner surface 141 and the lower inner surface 142 can also be with the upper surface 11 curvature is identical.

As shown in Figure 1, in one embodiment, the lower inner surface 142 and the lower surface 12 is adjacent and the two between With a wall thickness, wall thickness of the lower inner surface 142 with the lower surface 14 in the middle part is greater than it in the proximal end or institute State the wall thickness of distal end.The wall thickness at the middle part of the laryngeal mirror lens 1 is larger, and connected flange 20 and group tongue piece 40 are also thicker, makes The intensity and toughness for obtaining middle part is larger, can provide preferable support force, bear biggish pressure and with certain resistance to deformation Ability thereby reduces the risk that laryngeal mirror lens 1 check bottleneck throat tissue on the risk of injury of mouth and influence.

Fig. 3 is cross-sectional view in the middle part of the laryngeal mirror lens of one embodiment of the application.It please also refer to Fig. 1 to Fig. 3, in an embodiment In, described group of tongue piece 40 is located at the side of the upper surface 11, and the flange 20 is located at the eyeglass master with described group of tongue piece 40 The different sides of 10 proximal end of body, to realize the different role of the flange 20 and described group of tongue piece 40.Described group of tongue piece 40 is towards remote End extends and is intersected in the convex closure 30 (as shown in Figure 2) with the flange 20.

As shown in figure 3, in one embodiment, the minimum span D of the cross section at 1 middle part of laryngeal mirror lens be 12mm~ 14mm, the minimum span of the cross section of 1 proximal end of laryngeal mirror lens are 12mm~13mm.Wherein, the minimum span D includes Two end-point datas of 12mm and 14mm, the minimum span of distal end include two endpoints of 12mm and 13mm.Wherein, the laryngeal mirror lens The periphery of the cross section at 1 middle part is formed by the minimum constructive height of class polygon between 12mm to 14mm, the as described minimum Span D, on the other hand, the minimum span D is corresponding with the mouth opening of patient.It is described in embodiments herein Minimum span D be less than the mouth opening size of patient, and the minimum span of the proximal end of the laryngeal mirror lens 1 be less than or equal to it is described The minimum span D at the middle part of laryngeal mirror lens 1, so that the substantially intermediate larger lesser shuttle in both ends of the shape of laryngeal mirror lens 1 Shape, to facilitate healthcare givers to use the laryngeal mirror lens 1 of the application.What auxiliary understood, rectangular minimum span is that it is shorter Side length, square minimum span are its side length.

Since the mouth opening of general difficult airway patient is in 3cm or so, the laryngeal mirror lens 1 of the application are in insertion patient oral cavity When, tiltable certain angle, so that laryngeal mirror lens 1 are inserted into the form of height is minimum span D.In this embodiment, described Laryngeal mirror lens 1 may be, for example, one angle beta of inclination clockwise, it can so that the height of laryngeal mirror lens 1 is minimum span D.

In one embodiment, the eyeglass main body 10 further includes the side wall 15 between upper surface 11 and lower surface 12, An angle α is formed between the flange 20 and the side wall 15, the angle α is between 95 °~110 °, wherein the folder Angle α includes 95 ° and 110 ° of two end-point datas.Wherein, the angle α may be, for example, 96 °, 98 °, 100 ° or 105 °.The folder Angle α to form a biggish accommodating space between the flange 20 and the eyeglass main body 10, by adjusting the angle α The adjustable accommodating space of size, wherein the accommodating space is to be inserted into trachea cannula.

As shown in Figures 2 and 3, in one embodiment, when the laryngeal mirror lens 1 are horizontally arranged, the side wall 15 is basic It is perpendicular with horizontal plane, in error range (in such as 0 °~5 ° of error range), between the flange 20 and the side wall 15 Angle α it can be appreciated that being the flange 20 and perpendicular to the angle between the vertical plane of horizontal plane.Wherein, flange 20 wraps It includes close to the lower surface 12 and close to two faces of the side wall 15；The angle α can refer to close to the side wall 15 One side and the angle of the side wall 15, may also mean that the one side and the angle of the side wall 15 close to the lower surface 12.

In one embodiment, the laryngeal mirror lens 1 further include a hold assembly 50, and the video to clamp laryngoscope 1 is shown Component.In Fig. 2, the folder is not shown to clearly show that the relationship between other laryngeal mirror lens components (10,20,30,40) Structure 50 is held, but non-the embodiment is limited with this do not have the clamp structure 50.

In one embodiment, all parts (10,20,30,40,50) of the laryngeal mirror lens 1 may be, for example, to be integrally formed. Or, other laryngeal mirror lens components (10,20,30,40) in addition to the hold assembly 50 are integrally formed, so as to improve entire The support force of laryngeal mirror lens.

Fig. 4 is cross-sectional view in the middle part of the laryngeal mirror lens of one embodiment of the application.In one embodiment, due to the laryngoscope of the application Eyeglass is applicable to the patient of small mouth opening, and size is relatively small.In this regard, can be in the flange 20 close to the upper surface 11 It is provided with the groove or channelizing line for being inserted into trachea cannula on one side, or cancave cambered surface can be designed into.With this medical assistance people Member carries out trachea cannula, prevents trachea cannula from accidentally injuring patient.As shown in figure 4, the groove or the channelizing line are a plurality of, but not It is limited to this, the groove or the channelizing line are also possible to 1.Wherein, the cancave cambered surface may include on the upper surface side of flange Edge tilts certain angle or radian, so that the top surface edge of Yu Falan 20 forms a restriction when being inserted into trachea cannula The boundary of trachea cannula trend, so as to improve trachea cannula success rate, and reduces the area that trachea cannula is contacted with human oral cavity, With incidental injury prevention human oral cavity.The groove of the flange, channelizing line or cancave cambered surface can be for example arranged in the laryngeal mirror lens 1 Portion, and this structure is proximally and distally then not provided in the laryngeal mirror lens 1；It is however possible to be (or remote in middle part and proximal end End) setting groove, channelizing line or cancave cambered surface, and distal end (or proximal end) is not provided with or middle part and proximal end, is distally respectively provided with groove, Channelizing line or cancave cambered surface.

Fig. 5 is the laryngeal mirror lens distal end cross-sectional view of one embodiment of the application.It please also refer to Fig. 1 to Fig. 5, in an embodiment In, the intersection of the flange 20 and described group of tongue piece 40 forms a support construction including cross-brace and vertical supporting (such as Shown in Fig. 5).The support construction can strengthen the whole stability of laryngeal mirror lens 1, preferably resist so that laryngeal mirror lens 1 have Pressure and the characteristic for resisting deformation.During surgery, support construction can be easier to due to size is small to avoid laryngeal mirror lens 1 It is collided with and is damaged or the phenomenon that twist distortion damages；On the other hand, it also can be convenient healthcare givers's operation, without Lead to operational difficulty because the size of laryngeal mirror lens 1 is small, such as provokes the epiglottis of patient or stir the tongue of patient.

In one embodiment, the flange 20 the proximal end of the eyeglass main body 10 and from it is described opening 13 at a certain distance from Convergence, this distance may be, for example, 1cm~4cm.This can be designed so that near the opening 13 only have the eyeglass main body 10 With the channel 14, and in surgical procedure, this part is placed in region near patient mouthful and tooth.During surgery, it can drop Low laryngeal mirror lens stress and so that this part is accidentally injured the risk of patient mouthful and tooth.

In one embodiment, when the laryngeal mirror lens 1 are horizontally arranged, second segment 122 and horizontal plane are tangent, and described first For angle between section 121 and horizontal plane between 35 ° to 45 °, angle may be, for example, 40 °.The angle makes described first Section 121 and positioned at distal end convex closure 30 tilt larger angle so that during surgery, healthcare givers can be more easily by institute The epiglottic vallecula that convex closure 30 is placed in patient oral cavity is stated, to provoke epiglottis.

In one embodiment, it is smooth (or smooth) transition between each component of the laryngeal mirror lens 1, is suffered from reducing to accidentally injure The possibility of person.

In one embodiment, the schematic structure of Fig. 1 to Fig. 5 is only illustrative, and the ratio of thin portion structure or structure can be according to It is adjusted according to the demand of designer, rather than using laryngeal mirror lens structure of the Fig. 1 into Fig. 5 as limitation.

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be subject to the protection scope in claims.

Claims (10)

1. a kind of laryngeal mirror lens characterized by comprising

Eyeglass main body, including proximal end, distal end and the middle part between the proximal end and the distal end, the eyeglass main body includes Curved upper surface and curved lower surface relative to the upper surface, the proximal end of the eyeglass main body have an opening, institute Opening perforation is stated to the middle part or the part distal end to form a channel, the channel is to incoming image sampling instrument；

Flange is extended to form by the lower surface side of the eyeglass main body, and the flange is from the middle part respectively to the proximal end Extend with the distal end, width proximally or is distally successively decreased by middle part, wherein the flange converges on the proximal end, described Lower surface is to attach human oral cavity；

Convex closure, positioned at the distal end of the lower surface, the convex closure is to provoke epiglottis；

Wherein, the lower surface includes the first segment positioned at the distal end, the second segment positioned at the middle part and is located at described close The third section at end, the first segment are planarea, and the second segment and the third section are arc surface.

2. laryngeal mirror lens as described in claim 1, which is characterized in that the curvature of the third section is greater than the song of the second segment Rate.

3. laryngeal mirror lens as claimed in claim 2, which is characterized in that the curvature of the upper surface is less than the lower surface second The curvature of section, and the upper surface and the lower surface is made to be greater than the upper surface and the following table in the distance at the middle part Face is in the distance of the proximal end or the distal end.

4. laryngeal mirror lens as claimed in claim 3, which is characterized in that the cross section in the channel is in rectangle, the channel tool Have a upper inner surface and a lower inner surface, the curvature of the upper inner surface and the lower inner surface between the upper surface and it is described under Between the curvature of surface second segment.

5. laryngeal mirror lens as claimed in claim 4, which is characterized in that the lower inner surface it is adjacent with the lower surface and secondly There is the wall thickness of a wall thickness, the lower inner surface and the lower surface in the middle part to be greater than the two in the proximal end between person Or the wall thickness of the distal end.

6. laryngeal mirror lens according to any one of claims 1 to 5, which is characterized in that the laryngeal mirror lens further include dialling tongue Piece, positioned at the side of the upper surface, the flange is located at the different sides of the eyeglass proximal, institute with described group of tongue piece It states and dials tongue piece towards distal end extension and be intersected in the convex closure with the flange, wherein described group of tongue piece crosses with the flange Place forms support construction.

7. laryngeal mirror lens as claimed in claim 6, which is characterized in that the minimum span of the cross section in the middle part of the laryngeal mirror lens For 12mm~14mm, the minimum span of the cross section of the laryngeal mirror lens proximal end is 12mm~13mm, the laryngeal mirror lens proximal end Cross section minimum span be less than or equal to the laryngeal mirror lens in the middle part of cross section minimum span.

8. laryngeal mirror lens as claimed in claim 6, which is characterized in that the eyeglass main body further includes being located at upper surface and following table Side wall between face, shape has angle between the flange and the side wall, and the angle is described between 95 °~110 ° Angle to form an accommodating space between the flange and the eyeglass main body, and the accommodating space is inserted to be inserted into tracheae Pipe.

9. laryngeal mirror lens as claimed in claim 8, which is characterized in that the flange is provided on one side close to the upper surface For being inserted into the channelizing line or cancave cambered surface of the trachea cannula.

10. a kind of laryngeal mirror lens characterized by comprising

Eyeglass main body, including proximal end, distal end and the middle part between the proximal end and the distal end, the eyeglass main body includes Curved upper surface and curved lower surface relative to the upper surface, the proximal end of the eyeglass main body have an opening, institute Opening perforation is stated to the middle part or the part distal end to form a channel, the channel is to incoming image sampling instrument；

Flange, positioned at the lower surface side of the eyeglass main body, the flange is from the middle part respectively to the proximal end and described Distal end extends, and width proximally or is distally successively decreased by middle part, wherein the flange converges on the proximal end, the lower surface To attach human oral cavity；

Convex closure, positioned at the distal end of the lower surface, the convex closure is to provoke epiglottis；

Wherein, the lower surface includes the first segment positioned at the distal end, the second segment positioned at the middle part and is located at described close The third section at end, the first segment are planarea, and the second segment and the third section are arc surface, the curvature of the third section Greater than the curvature of the second segment；

Wherein, the minimum span of the cross section in the middle part of the laryngeal mirror lens is 12mm~14mm, the cross of the laryngeal mirror lens proximal end The minimum span in section is 12mm~13mm.