KR20190092700A - Laryngoscope with tension wire - Google Patents

Abstract

A laryngoscope with a tension wire includes: a body part; a blade which is coupled to the end of the body part and is inserted into a trachea part through the mouth of a patient; a cover part covering the outer surface of the blade; an imaging part provided at one end of the blade to photograph the trachea part of the patient; and a display part which displays an image photographed by the imaging part. The blade may include first and second wires extended in a longitudinal direction and a connection unit bent in the direction in which the first or second wire is pulled. It is possible to secure a view.

Description

Laryngoscope with tension wire {LARYNGOSCOPE WITH TENSION WIRE}

The present invention relates to a laryngoscope with a tension wire, and more particularly, it is possible to easily secure the laryngeal space by bending the blade during tracheal intubation, and to respond to the physical condition of the patient through the tension wire. It relates to a laryngoscope with a tension wire that can adjust the length of the bend and enable active and rapid surgery.

In general, endotracheal intubation refers to the operation of tracheal tubes through an endotracheal tube, and is most commonly used in emergency situations where breathing is impaired, during cardiopulmonary resuscitation, or under general anesthesia for surgery. airway).

The laryngoscope used for such endotracheal intubation is disclosed in Korean Patent Application Publication No. 10-2010-0131111, Korean Patent Registration No. 10-1600339, Korean Patent Registration No. 10-1070416, etc. It consists of a blade to be joined.

At endotracheal intubation, the laryngoscope is placed in an appropriate position in the oral cavity, and the handle is turned back. At this time, the blade connected to the handle to lift the epiglottis and the patient's tongue together to ensure the patient's airway.

However, in order to secure the airway space of the patient, lifting the epiglottis and the tongue together through the blade applies a direct force to the patient's tongue, thereby increasing the patient's stress and increasing pain or blood pressure. There is.

In the case of using a conventional laryngoscope, the difficulty of airway intubation occurs because some patients do not have adequate visibility. Therefore, in order to facilitate this field of view, the endoscope was mounted on the blade to facilitate the field of view. Thus, in most patients, airway intubation is performed using a blade equipped with an endoscope. However, in some patients, even though the endoscope is mounted, it may be difficult to secure the field of view, and the operation of applying the stimulus to the patient while lifting the blade in the phase direction for securing the field of view is still necessary.

Republic of Korea Patent Publication No. 10-2010-0131111 Republic of Korea Patent No. 10-1600339 Republic of Korea Patent No. 10-1070416

Therefore, the technical problem of the present invention, despite the advantages of the conventional blade-type endoscope is still difficult to secure the field of view and to avoid the hemodynamic stimulation by using the airway (airway) type of laryngoscope and then inserted into the back of the head region tension We want to make a device for airway intubation by securing the field of view using wire.

A laryngoscope equipped with a tension wire according to an embodiment for realizing the object of the present invention, the blade is coupled to the body portion, the end of the body portion is inserted into the trachea site through the mouth of the patient, the outer surface of the blade In the laryngoscope, the blade includes a cover unit to cover, an imaging unit for photographing the larynx, pharynx and trachea of the patient, and a display unit for displaying an image taken by the imaging unit, the blade having a length First and second wires extending in a direction and a connecting unit bent in a direction in which the first or second wires are pulled.

In one embodiment, the connection unit includes a plurality of X-shaped link members arranged in the longitudinal direction, each of the first and second wires are connected to the upper end and the lower end of the connection unit the X-shaped link members It is characterized by inducing each rotation.

In one embodiment, when the first wire is pulled, the length of the upper end of the connection unit is reduced and the length of the lower end is relatively extended, and the connection unit may be bent toward the first wire.

In one embodiment, the body portion may be provided with an adjusting portion for adjusting the operation of the first and second wires.

In one embodiment, the blade may be bent in a position adjacent to the epiglottis and drawn into the epiglottis.

In one embodiment, the imaging unit may be located outside the blade end.

In one embodiment, the guide may be formed on one side of the blade to guide the tube to the airway of the patient after the patient's airway is secured.

In one embodiment, the cover portion may include a silicon (silicone) material.

In one embodiment, the cover portion extends in the extending direction of the blade to cover the first cover member and the second cover extending from the first cover member to guide the end of the tube to be drawn in the tracheal direction It may include a member.

In one embodiment, the second cover member is formed in a spherical shape, when inserted into the trachea portion may be located in front of the esophagus located below the pharynx, to guide the end of the tube.

In one embodiment, the cover portion is formed in the form of a tube extending in the extending direction of the blade to cover the blade and the tube extending from the third cover member having a smaller diameter than the third cover member; It may include a fourth cover member bent in one side direction.

In one embodiment, the fourth cover member may be inserted directly into the engine.

According to the embodiments of the present invention, by positioning the blade close to the epiglottis, and then bent toward the epiglottis, there is an effect that can easily secure the laryngeal space.

Thus, in order to secure the space to the larynx of the patient during conventional surgery, by lifting the epiglottis and the tongue together, it is possible to solve the problem of increasing the stress of the patient to increase pain or blood pressure.

In addition, the length of the blade and the degree of bending can be changed according to the wire to be pulled, and accordingly, the blade can be changed in various sizes according to the age, sex, etc. of the patient can change the blade according to the characteristics of the patient. .

In addition, as the cover part includes a first cover member extending in the extending direction of the blade and a second cover member formed in a spherical shape extending from the first cover member, the end of the tube is guided forward through the second cover member. The tube can be easily inserted into the trachea, further improving the accuracy of tracheal intubation.

The cover part may further include a third cover member extending in the extending direction of the blade and a fourth cover member extending from the third cover member to form a tube having a diameter smaller than that of the third cover member. Through the cover member can serve to keep the airway of the patient to enter and exit the air can form a simple laryngoscope structure.

1 is a perspective view showing a laryngoscope according to an embodiment of the present invention.
FIG. 2 is a schematic diagram showing the blade of the laryngoscope of FIG. 1.
3 is a schematic diagram showing a state in which the blade of FIG. 2 is bent.
4A is a schematic diagram showing a state in which the blade of FIG. 2 is inserted into the tracheal region and positioned close to the epiglottis.
4B is a schematic diagram showing a state in which the blade of FIG. 4A is bent toward the epiglottis and the airway is secured.
5 is an image showing the procedure using the laryngoscope of FIG.
FIG. 6 is a schematic diagram showing a tube inserted into the larynx along the bent blade of FIG. 4B.

As the inventive concept allows for various changes and numerous modifications, the embodiments will be described in detail in the text. However, this is not intended to limit the present invention to a specific disclosed form, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements. Terms such as first and second may be used to describe various components, but the components should not be limited by the terms.

The terms are used only for the purpose of distinguishing one component from another. The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, the terms "comprise" or "consist of" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, with reference to the accompanying drawings, it will be described in detail a preferred embodiment of the present invention.

1 is a perspective view showing a laryngoscope according to an embodiment of the present invention, Figure 2 is a schematic diagram showing a blade of the laryngoscope of Figure 1, Figure 3 is a schematic diagram showing a state in which the blade of Figure 2 is bent.

1, the laryngoscope 1 according to the present embodiment is for the operator to intubate the tube for supplying air or anesthetic through the airway after the operator secures the airway of the patient, the trunk portion 100, the blade ( 200, a cover unit 300, an imaging unit 400, a display unit 500, and a guide unit 600.

The torso 100 is a part to be held by one hand (for example, the left hand) when the operator performs a procedure for inserting a tube into the patient's airway. Although not shown, the body portion 100 may include a concave-convex pattern so that the operator can easily squeeze, and may include a battery therein as in the conventionally known laryngoscope.

The imaging unit 400 is installed at one end of the blade 200, that is, inside the end of the blade 200, and photographs an organ part of a patient and transmits the image to the display unit 500. do. After the airway is secured by the blade 200, the imaging unit 400 photographs the airway of the patient or its surroundings, and shows it to the operator through the display unit 500.

The guide part 600 serves to guide the tube to the patient's airway after the patient's airway is secured by the laryngoscope 1, and may be formed to be detachable from the blade 200.

The width of the guide portion 600 is formed to be relatively wider than the width of the tube, the guide portion 600 is formed with an intubation space 601 for guiding the intubation of the tube. Since the intubation of the tube is made through the intubation space 601, the tube can be smoothly guided into the airway without intubation.

The display unit 500 serves to display an image signal photographed by the imaging unit 400. The display unit 500 may be implemented in various forms, for example, may be implemented in LCD.

The blade 200 is inserted into the oral cavity of the patient to secure the patient's airway, that is, serves to substantially lift the epiglottis of the patient, the structure is coupled to the end of the body portion 100 Has

The torso 100 and the blade 200 may be separated, and the blade 200 may be changed in various sizes according to the age and gender of the patient. For example, in the case of laryngoscope 1 of the present embodiment, the blade 200 may be changed in length to be used according to the characteristics of the patient.

More specifically, referring to FIGS. 2 and 3, the blade 200 includes first and second wires 211 and 212 extending in a longitudinal direction, and the first or second wires 211 and 212. It includes a connection unit 220 that is bent in the direction of pulling.

The connection unit 220 includes a plurality of X-shaped link members 221 arranged in a longitudinal direction, and each of the first and second wires 211 and 212 is the connection unit 220, that is, the It is connected to the upper and lower ends of each of the X-shaped link members 221 to induce rotation of each of the X-shaped link members 221.

That is, when the first wire 211 is pulled (when pulled in the direction of the arrow), the length of the upper end of the connection unit 220 is reduced and the upper ends of the X-shaped link members 221 are rotated. While the length of the lower end is relatively extended. Thus, the connection unit 220 is bent toward the upper limb first wire 211.

On the contrary, when the second wire 212 is pulled (when pulled in the direction of the arrow), the length of the lower end of the connection unit 220 is reduced and accordingly the lower ends of the X-shaped link members 221. While rotating, the length of the upper end is relatively extended. Thus, the connection unit 220 is bent toward the second wire 212.

On the other hand, as shown in Figure 1, one surface of the body portion 100 may be provided with an adjusting unit 210 for adjusting the first wire 211 and the second wire 212, By operating the control unit 210 may be driven to drive the first wire 211 or the second wire 212 to pull in the direction of the arrow or to release in the opposite direction.

In this case, as shown in FIG. 1, the adjusting unit 210 may be provided on the surface facing the display unit 500 from the body portion 100, and is provided at an optimal position for convenience of operation. Is enough.

In addition, the control unit 210 is formed in a button type, the operator can operate the first and second wires 211, 212 by operating a button, and can be formed in various other forms Self-explanatory

On the other hand, the blade 200 is detachably coupled to the cover portion 300 of a silicon material covering the outer surface. The cover part 300 may be inserted while being replaced, and through this, separation and disinfection may be performed for disinfection after the procedure, thereby solving the hygiene problem of the patient.

4A is a schematic diagram showing a state in which the blade of FIG. 2 is inserted into the tracheal region and positioned close to the epiglottis, and FIG. 4B is a schematic diagram showing a state in which the blades of FIG. 4A are bent toward the laryngeal region and the airway is secured. .

As shown in Figure 4a, the blade 200 of the laryngoscope 1 according to the present embodiment is inserted into the tracheal region of the patient.

In this case, when the blade 200 is inserted into the tracheal portion and positioned in the position close to the laryngeal 5, the X-shaped link member using the first and second wires 211 and 212 as described above. The connection unit 220 is bent toward the first wire 211 by inducing rotation of each of the fields 221.

Thus, as shown in Figure 4b, the blade 200 is bent toward the laryngeal space is secured to the larynx 20.

Conventionally, in order to secure the space of the patient's larynx during surgery, by placing the blade of the laryngoscope under the patient's tongue and lifting the epiglottis and the tongue together, direct force is applied to the patient's tongue. Although there was a problem of increasing pain or blood pressure, in the present embodiment, the blade 200 is positioned adjacent to the laryngeal 5 as described above, and then bent toward the laryngeal 5 as described above. There is an effect that can easily secure the space in).

On the other hand, the imaging unit 400 described above may be located outside the end of the blade 200 as shown in Figure 4a and 4b.

Accordingly, when the blade 200 is inserted into the tracheal region of the patient as shown in Figure 4a, it is possible to check the position of the blade 200 through the imaging unit 400, in particular the blade 200 ) Is inserted in the position close to the larynx (5) can be confirmed in real time.

Thus, the blade 200 can be bent toward the laryngeal 5 at a precise position that is close to the laryngeal.

Further, when the blade 200 is bent toward the laryngeal 5, as shown in Figure 4b, the imaging unit 400 is located in a position that can accurately photograph the laryngeal space, the operator more easily The procedure can be performed while checking the laryngeal space.

Figure 5 is an image showing the procedure using the laryngoscope of Figure 1, Figure 6 is a schematic diagram showing a state in which the tube is intubated along the bent blade of Figure 4b.

Referring to Figures 5 and 6, the operator using the laryngoscope 1 according to this embodiment describes the procedure of intubating the tube into the airway of the patient as follows.

First, the operator pulls the first and / or second wires 211 and 212 of the blade 200 to adjust the length and the bending direction of the blade 200.

Thereafter, the body 200 of the laryngoscope 1 is held in one hand and the blade 200 is inserted into the mouth of the patient to secure the airway of the patient.

Next, when the blade 200 is located close to the epiglottis 5 in the oral cavity, the tip of the blade toward the epiglottis 5 using the first and / or second wires 211, 212. Let it bend.

Then, the larynx 20 is visible through the imaging unit 400, thereby ensuring sufficient airway.

In this case, the operator may further secure the airway by controlling the length and bending direction of the blade 200 while additionally pulling or releasing the first and / or second wires 211 and 212 of the blade 200. It can be done easily.

In this case, since the larynx 20 is photographed by the imaging unit 400 and displayed on the display unit 500, the operator can see the larynx through the display unit 500.

The operator can insert the tube 10 into the airway of the patient along the guide portion 600 of the blade 200 while looking at the screen of the display unit 500, as described above, the blade 200 As the end of the) is positioned in the form toward the laryngeal 5, the tube 10 can be easily inserted into the larynx 20.

Here, the tube 10 may be guided along the guide part 600 as the tube is formed in a tubular shape so that air can enter and maintain the airway of the patient.

According to the embodiments of the present invention, by positioning the blade close to the epiglottis, and then bent toward the epiglottis, there is an effect that can easily secure the laryngeal space.

Thus, in order to secure the space to the larynx of the patient during conventional surgery, by lifting the epiglottis and the tongue together, it is possible to solve the problem of increasing the stress of the patient to increase pain or blood pressure.

In addition, as the length of the blade and the degree of bending according to the wire to be pulled, the blade can be changed in various sizes according to the age, sex, etc. of the patient can change the blade to suit the characteristics of the patient.

While the foregoing has been described with reference to preferred embodiments of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention as set forth in the claims below. It will be appreciated.

1: laryngoscope 5: epiglottis
10 tube 20 larynx
100: body 200: blade
300: cover portion 400: imaging portion
500: display unit 600: guide unit
601: space for intubation

Claims (8)

A torso, a blade coupled to the end of the torso and inserted into the tracheal site through the mouth of the patient, a cover to cover the outer surface of the blade, an imaging unit provided at one end of the blade to photograph the trachea of the patient, And a display unit displaying an image photographed by the imaging unit.
The blade,
First and second wires extending in the longitudinal direction; And
A laryngoscope, characterized in that it comprises a connecting unit bent in the direction in which the first or second wire is pulled. The method of claim 1,
The connecting unit includes a plurality of X-shaped link members arranged in the longitudinal direction,
And each of the first and second wires is connected to an upper end and a lower end of the connection unit to induce rotation of each of the X-shaped link members. The method of claim 2,
When the first wire is pulled, the length of the upper end of the connection unit is reduced and the length of the lower end is relatively extended, the laryngoscope, characterized in that the connecting unit is bent toward the first wire. The method of claim 2,
Laryngoscope, characterized in that the body portion is provided with a control unit for adjusting the operation of the first and second wires. The method of claim 1, wherein the blade,
The laryngoscope, wherein the laryngoscope is inserted toward the trachea and is bent toward the laryngeal when positioned in a position adjacent to the laryngeal. The method of claim 5, wherein the imaging unit,
Laryngoscope, characterized in that formed on the outside of the end of the blade. The method of claim 1,
It is formed on one side of the blade laryngoscope further comprises a guide for guiding the tube to the airway of the patient after the patient's airway is secured. The method of claim 1,
Laryngoscope, characterized in that the cover portion comprises a silicon (silicone) material.

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