CN215128345U

CN215128345U - Novel expandable laryngoscope device

Info

Publication number: CN215128345U
Application number: CN202120007918.4U
Authority: CN
Inventors: 魏威
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-12-14
Anticipated expiration: 2031-01-04

Abstract

The application discloses a novel expandable laryngoscope device, which comprises an expansion wing, a tongue plate, an expansion handle, a firing pin, a traction wire and a firing pin spring; the expansion wing is divided into a left expansion wing and a right expansion wing; the left expansion wing and the right expansion wing are respectively buckled and fixed with the left expansion bolt and the right expansion bolt on the back of the tongue plate; the tongue plate comprises a fixed wing, a supporting ridge and a base; the expansion handle and the handle are hand-held parts; the expansion handle pulls the traction wire to slide the firing pin, and the left expansion wing and the right expansion wing of the expansion wing are respectively opened. The device of this application is used in trachea cannula puts a tub in-process, fully lifts the tongue body, and the tongue face is unfolded, lifts the epiglottis on, exposes the glottis.

Description

Novel expandable laryngoscope device

Technical Field

The application relates to the field of medical equipment, in particular to an expandable laryngoscope device.

Background

In clinical medicine, when general anesthesia or critical case emergency treatment is performed on a patient, tracheal intubation is an important key step, and the success or failure of tracheal intubation directly influences the implementation of anesthesia and operation and the success rate of critical patient rescue. At present, the most common tracheal intubation method in China is to lift a laryngoscope to expose a glottis under the assistance of a laryngoscope lens and insert a tracheal catheter into a trachea through the glottis under direct vision. However, the structure of the throat of a human body is complex, and the difference of tissue structures of different patients is large, such as the tongue root is large, the epiglottis is slender, the small mandible and the like, and the risk that the glottis is not exposed enough and the intubation is difficult easily occurs. The traditional laryngoscope method is to put the laryngoscope lens into the epiglottis from the oral cavity along the tongue body, then lift the epiglottis on the laryngoscope blade and reveal the glottis, medical personnel insert the endotracheal tube through the glottis again this moment, this kind of intubate technique relies on naked eyes or leading camera to observe, the sight is influenced by incisal marginal, oral cavity respiratory track is crooked, the epiglottis shelters from and the tongue body curls, there are parallax error and blind area easily, cause the glottis to expose unclear, therefore this process needs operating personnel to rely on experience to accomplish, in addition because patient's individual difference, very easily cause the phenomenon of intubate difficulty, still can cause the damage to oropharynx and oropharynx tissue inner wall, such as hemorrhage, edema, or tissue wound, and then delayed rescue time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel expandable laryngoscope device, put the pipe in-process at trachea cannula, fully lift the tongue body, spread the tongue face, lift the epiglottis on, expose the glottis.

The novel expandable laryngoscope device provided by the embodiment of the application comprises an expansion wing, a tongue plate, an expansion handle, a firing pin, a traction wire and a firing pin spring; the expansion wing is divided into a left expansion wing and a right expansion wing; the left expansion wing and the right expansion wing are respectively buckled and fixed with the left expansion bolt and the right expansion bolt on the back of the tongue plate, and the expansion wing and the expansion bolt assembly have a self-expansion function; the tongue plate comprises a fixed wing (21), a supporting ridge and a base; the expansion handle and the handle are hand-held parts; the expansion handle pulls the traction wire to slide the firing pin, and the left expansion wing and the right expansion wing of the expansion wing are respectively opened.

Preferably, the structure of the firing pin comprises a sliding groove and a traction hole, wherein the sliding groove corresponds to the sliding rail at the back of the tongue plate and guides the sliding and resetting of the firing pin.

Preferably, a traction wire and a firing pin spring are connected with the firing pin, and the traction wire pulls the firing pin to slide through the traction hole; the firing pin spring pushes the firing pin to reset in the opposite direction, and the left side and the right side of the expansion wing are combined.

Preferably, the combination of the stationary wing and the support ridge is provided with a wire groove structure for accommodating the traction wire.

Preferably, the base comprises a guide post, a rotation bolt and a positioning buckle; the expansion handle is provided with a positioning plate, the positioning plate slides on the positioning buckle through a rotating bolt, and the sliding positioning and stepping of the expansion handle are limited through a sliding stop structure; the guide post is located the bottom of base, and the guide post combines wire casing guide pull wire slip and resets.

Preferably, the tongue plate and the expansion wing are provided with a tongue plate protuberance and an expansion wing protuberance structure, respectively.

Preferably, the combined rear end part of the left expansion wing and the right expansion wing is a smooth tongue plate, the length of the expansion wing is 10-25mm, and the width of the plate surface of the left expansion wing and the plate surface of the right expansion wing are 5-12 mm.

Preferably, the distal extension of the expansion wing is at an angle of 25-85 degrees to the proximal extension of the handle.

Preferably, the fixed wing is arc-shaped, the supporting ridge is positioned on one side of the back of the fixed wing, and the other side of the back of the fixed wing is an arc-shaped guide plate for assisting in guiding the placement of the tracheal cannula.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

the expandable laryngoscope has the advantages of simple structure, convenience in operation, improvement of glottic exposure effect, and capability of preventing the tracheal catheter from being blocked by the tongue body and changing the tracheal catheter into the glottic catheter.

The size of the intubation guide slideway of the laryngoscope blade of the expandable laryngoscope is gradually reduced from the far end to the near end of the tongue plate, and the laryngoscope blade is easier to enter the oral cavity than the traditional laryngoscope blade when being placed.

The fixing wing of this application expandable laryngoscope's laryngoscope lens hyoplastron and the supplementary guide way that combines department of support spine form, guide trachea cannula along the fixed wing through glottis progress patient's airway portion, this structure has improved the success rate of single intubate, alleviates the damage of airway mucous membrane.

The expansion wing at the far end of the tongue plate of the laryngoscope lens can effectively increase the stress surface of the tongue root, prevent the tongue body from curling and reduce the damage of the tongue root.

The laryngoscope lens of the expandable laryngoscope can open or combine the expansion wings through the expansion handle, namely, the expansion wings of the laryngoscope lens in the process of being placed into the oral cavity of a patient are combined; in the process of assisting intubation by a laryngoscope, a handle switch is pressed, the expansion wing is opened, the surface of the tongue root tissue is stretched, and the glottis is exposed; and after the operation is finished, the handle switch is released, the expansion wing automatically resets, and the operation can be finished.

The near ends of the laryngoscope blade tongue plate fixing wing and the expansion wing of the expandable laryngoscope are respectively provided with a blunt fixing platform, so that the adhesive force of the laryngoscope blade is increased, and sliding displacement is prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the apparatus of the present application;

FIG. 2 is a schematic view of the device of the present application showing the engagement of the components that control the opening and closing of the wings;

FIG. 3 is a schematic view of the tongue structure of the device of the present application;

FIG. 4 is a schematic view of the expansion handle drive configuration of the device of the present application;

FIG. 5 is a schematic view of the location of the protuberances in the device of the present application;

fig. 6 is a schematic view of the expansion plug and expansion wing assembly of the device of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In this specification, the term "distal" refers to the end of the product closest to the mouth of the patient and a portion thereof. Conversely, the term "proximal" refers to an end or portion that is relatively distant from the distal end (the patient's oral end).

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the device of the present application.

The embodiment provides an expansion type laryngoscope device which comprises an expansion wing 1, a tongue plate 2, an expansion handle 3, a handle 4, a firing pin 5, a traction wire 6 and a firing pin spring 7. The expansion wing is divided into a left expansion wing 12 and a right expansion wing 11; the tongue plate is used as the main structure of the laryngoscope lens and comprises a fixed wing 21, a supporting ridge 22, a base 24 and the like; the expansion handle and the handle are positioned at the handheld part of the far end of the laryngoscope device, the patient epiglottis can be lifted up by lifting the handle, the glottis can be exposed, the expansion handle is held, the traction wire is pulled, the firing pin is made to slide, the left expansion wing 12 and the right expansion wing 11 of the expansion wings are respectively opened, the tongue root surface is spread, and the operation visual field is opened.

Preferably, the distal ends of the tongue plate and the expansion wing are respectively designed with a structure of a tongue plate bulge 20 and an expansion wing bulge 10, so as to prevent the tongue plate from being displaced.

Preferably, the expansion wing is positioned at the far end of the tongue plate, the expansion wing is divided into a left side and a right side, the far end of the expansion wing is a smooth tongue plate after combination, the length of the surface of the expansion wing is 10-25mm, and the width of the surface of the single-side wing plate is 5-12 mm.

Preferably, the surface of the expansion wing plate is approximately straight, and the extension line of the far end of the expansion wing plate forms an angle with the extension line of the near end of the handle, and the angle is 25-85 degrees.

Fig. 2 is a schematic diagram of the components of the device of the present application for controlling the opening and closing of the wings.

The structure of the expansion wings respectively comprises a left expansion wing and a right expansion wing which are respectively buckled and fixed with a left expansion bolt 26 and a right expansion bolt 26 on the back of the near end of the tongue plate, and the expansion bolts can respectively and independently and automatically stretch the expansion wings. The design is the technical key point of the patent, breaks through the current situation that a mechanical device of the laryngoscope blade can only deform in a plane or on a straight line, and realizes the extension of the laryngoscope blade in a three-dimensional space. The concrete structure is as follows: the right expansion wing 11 and the left expansion wing 12 of the expansion wing plate 1 are respectively buckled and fixed with the right side and the left side which are positioned at the near end of the tongue plate 2 through an expansion bolt 26, the expansion wing and the expansion bolt assembly have a self-expansion function, specifically, the expansion bolt comprises a left expansion bolt and a right expansion bolt, the left expansion bolt is positioned between the far end and the near end of the left expansion wing, and the left expansion wing is movably connected with the left expansion bolt by taking the left expansion bolt as an axis; the right expansion bolt is positioned between the far end and the near end of the right expansion wing, so that the right expansion wing is movably connected with the right expansion bolt by taking the right expansion bolt as an axis, and the contraction elasticity is arranged between the near end of the left expansion wing and the near end of the right expansion wing. The firing pin is located at the distal end, and the firing pin body pushes the proximal ends of the expansion wings open, keeping the distal ends of the expansion wings closed due to the leverage of the expansion bolt and the expansion wing assembly. The firing pin is located the near-end, and firing pin body abdication expansion wing near-end is automatic to be closed, owing to the lever action of expansion bolt and expansion wing subassembly, makes expansion wing distal end open, can respectively automatic independent realization right expansion wing and left expansion wing expansion.

To achieve the above object, the striker has a structure including a slide groove 51 and a drawing hole 52. The near end and the far end of the firing pin 5 are respectively provided with a sliding groove and a traction hole, the near end of the tongue plate is provided with a sliding rail structure, and the sliding groove corresponds to the sliding rail on the back of the near end of the tongue plate to guide the sliding and resetting of the firing pin.

The traction wire 6 and the firing pin spring 7 are respectively connected with the far end of the firing pin 5, the traction wire pulls the firing pin to slide through the traction hole at the far end of the firing pin, when the traction wire is pulled, the firing pin spring is compressed, the firing pin moves towards the near end, and the expansion bolt is driven to stretch the expansion wing. When the traction line is loosened, the firing pin spring expands to push the firing pin to reset, and the firing pin is positioned at the far end to enable the left side and the right side of the expansion wing to be combined.

It is further preferred that the expansion flap has two forms, one being a two-plate form of the left and right flaps and the other being a single-plate form of the right flap. When the wing plate is not opened, the far end is a smooth tongue plate.

Fig. 3 is a schematic view of the tongue structure of the device of the present application.

The structure of the tongue plate comprises a fixed wing 21 and a supporting ridge 22 respectively.

The fixed part of hyoplastron is the stationary vane, is the arc, and there is the support spine back, and the support spine lies in the left side of fixed pterygoid lamina, and the right side of fixed pterygoid lamina is the arc deflector, and supplementary guide trachea cannula is put into.

The combination part of the fixed wing and the support ridge is provided with a wire groove 23 structure for containing a traction wire, so that the transmission and the reset of the traction wire can be guided in an auxiliary way; the pull wire is connected with a firing pin at the far end of the tongue plate and a base at the near end of the tongue plate through a wire groove. The traction wire is connected with the firing pin through the wire groove and used for drawing the firing pin to slide. The traction wire is hidden in the supporting ridge, is fixedly connected with the firing pin, further contacts and is connected with the expansion wing plate, the handle switch is pressed, the traction wire is pulled, and the firing pin triggers the expansion wing to be opened.

FIG. 4 is a schematic view of the expansion handle drive configuration of the device of the present application.

The base 24 is connected with the handle; the handle is perpendicular to the tongue plate, and the handle and the tongue plate are connected through the base.

The base structure comprises a guide post 27, a rotary bolt 28, a positioning buckle 29 and the like. The proximal end of the expansion handle is designed with a positioning plate 31 which can slide on the positioning buckle 29 through the rotating bolt 28, and the sliding positioning gear of the expansion handle 3 is indicated through a sliding gear. The guide post is located the bottom of base, and the guide post can unite wire casing guide pull wire slip and reset.

Fig. 5 is a schematic diagram of the location of the protuberances in the device of the present application.

The far ends of the tongue plate and the expansion wing are respectively provided with a tongue plate bulge 20 and an expansion wing bulge 10, so that the displacement of the tongue plate is prevented.

As a specific example of the expansion wing and expansion bolt assembly having the self-expanding function, the contractive elasticity between the proximal ends of the left and right expansion wings is achieved by expansion wing springs 71 connected to the proximal ends of the left and right expansion wings.

When the expansion wings are in a combined state, the firing pin 5 is positioned at the far end, the expansion wing spring 71 is in an expansion state, the firing pin body pushes the near end of the expansion wing 1 to be far away, and the source end of the expansion wing is kept in a closed state through the lever action of the expansion wing 1 and the expansion bolt assembly; when the expansion wing 1 is in an opening state, the firing pin 5 is positioned at the proximal end, the expansion wing spring 71 is in a contraction state, the firing pin body keeps the proximal end of the expansion wing 1 close, and the distal end of the expansion wing keeps the opening state through the lever action of the expansion wing 1 and the expansion bolt assembly.

Regarding the striker spring and the expansion wing spring. The striker spring has an expansion force and the expansion wing spring has a contraction force. When the firing pin is loosened, the firing pin spring pushes the firing pin to eject out, the proximal end part of the firing pin moves to a position between the proximal ends of the left and right expansion wings, and the expansion wing spring connected between the proximal ends of the left and right expansion wings is opened due to the wider proximal end part of the firing pin, and the distal ends of the expansion wings are closed due to the lever action; when the firing pin is pulled, the firing pin spring is compressed, the distal end part of the firing pin moves to a position between the proximal ends of the left and right expansion wings, and the expansion wing spring connected between the proximal ends of the left and right expansion wings contracts due to the narrower distal end part of the firing pin, so that the distal ends of the expansion wings are expanded due to the lever action.

It should be noted that the extension wing spring in fig. 6 is only an example and does not limit the present application. The contracting elasticity between the proximal ends of the left and right expansion wings can be achieved in various ways by those skilled in the art according to the teaching that the expansion wing and expansion bolt assembly has a self-expanding function, for example, by using a V-shaped spring or a coil spring, etc., which will not be described herein.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A novel expandable laryngoscope device is characterized by comprising an expansion wing (1), a tongue plate (2), an expansion handle (3), a handle (4), a firing pin (5), a traction wire (6) and a firing pin spring (7); the expansion wing is divided into a left expansion wing (12) and a right expansion wing (11); the left expansion wing (12) and the right expansion wing (11) are respectively buckled and fixed with a left expansion bolt (26) and a right expansion bolt (26) on the back of the tongue plate (2), and the expansion wing and the expansion bolt assembly have a self-expansion function; the tongue plate (2) comprises a fixed wing (21), a supporting ridge (22) and a base (24); the expansion handle (3) and the handle (4) are hand-held parts; the expansion handle (3) pulls the traction wire (6) to slide the firing pin (5), and the left expansion wing (12) and the right expansion wing (11) of the expansion wing (1) are respectively opened.

2. A novel expandable laryngoscope device as claimed in claim 1, wherein the structure of the firing pin (5) comprises a sliding groove (51) and a traction hole (52), the sliding groove (51) of the structure corresponds to the sliding track (25) at the back of the tongue plate (2) and guides the sliding and resetting of the firing pin (5).

3. A novel expandable laryngoscope apparatus as claimed in claim 1, wherein the pull wire (6) and the firing pin spring (7) are connected to the firing pin (5), and the pull wire (6) pulls the firing pin (5) to slide through the pull hole (52); the firing pin spring (7) pushes the firing pin (5) to reset in the opposite direction, and the left side and the right side of the expansion wing (1) are combined.

4. Novel expandable laryngoscope device according to claim 1, wherein the combination of the fixed wing (21) and the support ridge (22) is provided with a wire groove (23) structure for accommodating the traction wire (6).

5. The novel expandable laryngoscope device as recited in claim 1, wherein the base (24) comprises a guide post (27), a rotation bolt (28) and a positioning buckle (29); the expansion handle (3) is provided with a positioning plate (31), the positioning plate (31) slides on the positioning buckle (29) through a rotating bolt (28), and the sliding positioning and grading of the expansion handle (3) are limited through a sliding block structure; the guide post (27) is positioned at the bottom of the base (24), and the guide post (27) is combined with the wire groove (23) to guide the traction wire (6) to slide and reset.

6. Novel expandable laryngoscope device according to claim 1, wherein the tongue plate (2) and the expansion wing (1) are provided with a tongue plate protuberance (20) and an expansion wing protuberance (10) structure, respectively.

7. The novel expandable laryngoscope device as recited in claim 1, wherein the left and right expansion wings are rounded at their combined rear ends to form a rounded tongue plate, the length of the expansion wing is 10-25mm, and the width of the plate surface of the left and right expansion wings is 5-12 mm.

8. The novel expandable laryngoscope device as recited in claim 1, wherein the distal extension of the expansion wing is at an angle of 25-85 degrees to the proximal extension of the handle.

9. The novel expandable laryngoscope device as recited in claim 1, wherein the fixed wing (21) is curved, the support ridge (22) is located on one side of the back of the fixed wing (21), and the other side of the back of the fixed wing (21) is a curved guide plate for assisting in guiding the insertion of the endotracheal tube.