CN217285724U

CN217285724U - Soft visual laryngoscope, soft visual laryngoscope assembly and trachea cannula system

Info

Publication number: CN217285724U
Application number: CN202220231806.1U
Authority: CN
Inventors: 续飞
Original assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Current assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-26
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a soft visual laryngoscope, soft visual laryngoscope assembly and trachea cannula system is equipped with the guide passageway on the soft visual laryngoscope, the last guide cable that extends along the length direction of guide passageway that is equipped with of guide passageway pulls the slit, the entry end of guide passageway is equipped with the flaring portion, the internal diameter of flaring portion reduces along the direction of keeping away from the entry end of guide passageway gradually, the exit end of guide passageway is equipped with the guide section that deflects, the extending direction of the guide section that deflects towards the axle center of soft visual laryngoscope. The utility model discloses a flaring portion of soft visual laryngoscope can make things convenient for the guide cable to insert the guide passageway, and the setting of direction section that deflects can guarantee that the guide cable stretches out the axle center of soft visual laryngoscope when the guide passageway to when conveniently operating soft visual laryngoscope, make the guide cable get into the glottis fast accurately.

Description

Soft visual laryngoscope, soft visual laryngoscope assembly and trachea cannula system

Technical Field

The utility model relates to a soft visual intubate laryngoscope field, more specifically relates to a soft visual laryngoscope, soft visual laryngoscope assembly and trachea cannula system.

Background

The flexible visual laryngoscope has the advantages of flexibility of the electronic bronchoscope and wide visual field of the rigid visual laryngoscope, and the convenience of using the visual laryngoscope to perform tracheal catheter operation is greatly improved.

The existing soft visual laryngoscope is provided with a guiding tube on the endoscope body, and a guiding channel is arranged in the guiding tube. In the process of tracheal catheter intubation, one end of the guide cable is inserted into the glottis along the guide channel of the soft visual laryngoscope, and then the other end of the guide cable is matched with the guide piece sleeved with the tracheal catheter, so that the guide piece is inserted into the trachea along the guide cable, and finally the tracheal catheter is introduced into the trachea.

However, in order to reduce the space occupied by the soft laryngoscope in the pharyngeal cavity, the size of the guide tube is generally small, and insertion of the guide cable into the entrance of the guide channel is difficult, requiring an assistant to assist in insertion. And the guide tube is arranged on the surface of the mirror body, a certain distance is reserved between the guide channel and the axis of the mirror body, and when the shooting end of the mirror body is aligned with the glottis, the guide cable extending out of the guide channel deviates to be difficult to align with the glottis and is difficult to enter the glottis.

Therefore, how to provide a flexible visual laryngoscope which is simpler and more convenient to operate and can effectively guide a guide cable into the glottis becomes a technical problem to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new technical scheme of a soft visual laryngoscope which is more convenient to operate and can effectively guide a guide cable to enter a glottis.

According to a first aspect of the present invention, there is provided a flexible visual laryngoscope.

The flexible visual laryngoscope is provided with a guide channel, the guide channel is provided with a guide rope traction slit extending along the length direction of the guide channel, the inlet end of the guide channel is provided with a flaring part, the inner diameter of the flaring part is gradually reduced along the direction away from the inlet end of the guide channel, the outlet end of the guide channel is provided with a deflection guide section, and the extension direction of the deflection guide section faces the axis of the flexible visual laryngoscope.

Optionally, the flexible visual laryngoscope comprises a laryngoscope body and a handle, and the guide channel is arranged on the laryngoscope body.

Optionally, the flexible visual laryngoscope comprises a laryngoscope body and a handle, and the flaring part is arranged on the handle.

Optionally, the soft visual laryngoscope comprises a guide tube, the guide channel being located within the guide tube.

Optionally, the guide tube is attached to the outer surface of the flexible laryngoscope, and the guide tube is detachably connected with the flexible laryngoscope.

Optionally, the flexible visible laryngoscope further comprises a guiding extension tube, the guiding extension tube is connected with the outlet of the guiding tube, and the central shaft of the guiding extension tube faces the axial center of the flexible visible laryngoscope.

Optionally, a suction channel and a ventilation channel are arranged in the flexible visual laryngoscope.

According to a second aspect of the present invention, there is provided a flexible visual laryngoscope assembly.

The soft visible laryngoscope assembly comprises a tongue depressor and the soft visible laryngoscope of the utility model, wherein the tongue depressor is connected with the free end of the soft visible laryngoscope.

Optionally, the edge of the end part of the soft visual laryngoscope, which is opposite to the tongue depressor, is provided with a round angle.

According to a third aspect of the present invention, a tracheal intubation system is provided.

This trachea cannula system includes endotracheal tube guiding device and the utility model discloses a soft visual laryngoscope, endotracheal tube guiding device includes guide piece, endotracheal tube and guide cable, be equipped with the guide slide hole in the guide piece, endotracheal tube with the connection can be dismantled to the guide piece, stretch out at the top of guide piece endotracheal tube inserts the one end of glottis, the guide cable set up be used for with guide channel with the guide slide hole cooperatees.

The utility model discloses a flaring portion of soft visual laryngoscope can make things convenient for the guide cable to insert the guide passageway, and the setting of direction section that deflects can guarantee that the guide cable stretches out the axle center of soft visual laryngoscope when the guide passageway to when conveniently operating soft visual laryngoscope, make the guide cable get into the glottis fast accurately.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a soft visual laryngoscope assembly according to an embodiment of the invention.

Fig. 2 is a partial cross-sectional view of a flexible visual laryngoscope assembly according to an embodiment of the invention.

The figures are labeled as follows:

the endoscope comprises an endoscope body-1, a guide channel-10, a guide rope traction slit-101, a flaring part-102, a deflection guide section-103, a handle-2, a ventilation channel interface-21, a suction channel interface-22 and a tongue depressor-3.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.

As shown in fig. 1 and 2, the flexible laryngoscope of the present invention is provided with a guide channel 10, and the guide channel 10 is provided with a guide cable traction slit 101 extending along the length direction of the guide channel 10. The guide wire moves within the guide channel 10.

The guide channel 10 may be a slotted structure formed directly in the outer wall of the flexible laryngoscope, in which the guide cable moves. Alternatively, the guide channel 10 may be a guide tube attached to the outer wall surface of the flexible laryngoscope, and the guide cable may be movable within the guide tube. Alternatively, the guide channel 10 may be a guide tube fixed to the outer wall surface of the flexible laryngoscope in a trough-like structure, and the guide wire may be movable in the guide tube.

The inlet end of the guide channel 10 is provided with a flared portion 102, the inner diameter of the flared portion 102 decreasing in a direction away from the inlet end of the guide channel 10. The flared portion 102 may be funnel-shaped or horn-shaped. In one embodiment, the flared portion 102 may be disposed on the body of the flexible laryngoscope or on the handle of the flexible laryngoscope. The guide cord can be conveniently and quickly fed into the guide channel 10 through the flared portion.

The outlet end of the guide channel 10 is provided with a deflection guide section 103, and the extension direction of the deflection guide section 103 faces to the axle center of the soft visual laryngoscope. The deflecting guide section 103 can guide the guide cable extending from the outlet of the guide channel 10 to be close to the axle center of the soft visual laryngoscope, so that the guide cable can enter the glottis more easily. In practice, the outlet of the deflecting guide section 103 may be flush with the end of the body of the soft laryngoscope, or the outlet of the deflecting guide section 103 may extend beyond the end of the body of the soft laryngoscope.

The utility model discloses a soft visual laryngoscope is when using, stretches into patient's pharyngeal cavity with the mirror body of soft visual laryngoscope earlier, through the front end of the angle trigger adjustment mirror body for the front end of the mirror body aims at patient's glottis. Then, the guide cable is inserted from the flaring portion 102 of the guide channel 10 and extends out from the deflecting guide section 103 of the guide channel 10, and one end of the guide cable extending out of the deflecting guide section 103 can enter the glottis towards the direction close to the axle center of the soft visual laryngoscope under the guiding action of the deflecting guide section 103.

The utility model discloses a flaring portion 102 of soft visual laryngoscope can make things convenient for the guide cable to insert guide channel 10, and the setting of deflection direction section 103 can guarantee that the guide cable stretches out guide channel 10 the axle center to soft visual laryngoscope partially to when conveniently operating soft visual laryngoscope, make the guide cable accurately get into the glottis fast.

In an embodiment of the flexible visual laryngoscope of the present invention, the flexible visual laryngoscope comprises a body 1 and a handle 2, and the guiding channel 10 is disposed on the body 1. In this embodiment, the guide channel 10 is a slotted structure formed directly on the body 1 of the soft visual laryngoscope, within which the guide cable moves. The guide channel 10 is arranged on the laryngoscope body 1, so that the cost can be effectively controlled, and the practicability of the soft visual laryngoscope is improved.

In an embodiment of the flexible visual laryngoscope of the present invention, the flexible visual laryngoscope comprises a laryngoscope body 1 and a handle 2, and the flared part 102 is disposed on the handle 2. In this embodiment, the entrance of the guide channel 10 extends from the scope 1 to the handle 2, and the flared portion 102 is provided on the handle 2. The flared portion 102 is provided on the handle 2 to improve the ease with which the soft visual laryngoscope may be operated.

In one embodiment of the flexible laryngoscope of the present invention, the flexible laryngoscope comprises a guiding tube, and the guiding channel 10 is located in the guiding tube. In this embodiment, the guide channel 10 is the inner channel of a guide tube attached to or secured within a trough-like structure on the outer wall surface of the soft laryngoscope, within which the guide cable is movable. The guide channel 10 with the structure can be conveniently replaced, so that the flexible visual laryngoscope can meet the requirements of different use environments.

Further, the guiding tube is attached on the outer surface of the soft visual laryngoscope, and the guiding tube is detachably connected with the soft visual laryngoscope. In this embodiment, the guide tube projects outwardly from the outer surface of the flexible laryngoscope. The detachable connection between the guide tube and the soft visible laryngoscope can be realized by a buckle connection or a binding belt binding mode.

Further, the soft visual laryngoscope also comprises a guide extension tube. The guiding extension tube is connected with the outlet of the guiding tube, and the central shaft of the guiding extension tube faces to the axis of the flexible visible laryngoscope. The provision of a guide extension tube allows for more effective control of the orientation of the portion of the guide wire extending out of the guide channel 10.

In one embodiment of the flexible laryngoscope of the present invention, a suction channel (not shown) and a ventilation channel (not shown) are disposed in the flexible laryngoscope. The inlet of the suction channel and the outlet of the ventilation channel are both positioned at the front end of the soft visual laryngoscope.

The inlet of the suction channel refers to an inlet of pollutants such as secretion, blood and the like in the oropharyngeal cavity, and the pollutants can enter the suction channel from the inlet of the suction channel. The outlet of the suction channel can be located on the handle of the flexible visual laryngoscope (as shown by the suction channel interface 22 in fig. 1) and contaminants can exit the flexible visual laryngoscope from the outlet of the suction channel. The outlet of the ventilation channel refers to the outlet of gas in the ventilation channel, and oxygen or local anesthetic can enter the oropharyngeal cavity from the outlet of the ventilation channel. The inlet of the ventilation channel may be located on the handle of the soft laryngoscope (as shown by the ventilation channel interface 21 in figure 1).

When encountering pollutants such as secretion, blood and the like in the oropharyngeal cavity, the pollutants can enter the suction channel from the inlet of the suction channel and are finally sucked out of the body, thereby achieving the purpose of preventing the lens of the soft visual laryngoscope from being polluted by the pollutants. When it is desired to provide oxygen to a patient, oxygen may be provided through the ventilation channel. The air sprayed from the ventilation channel can also prevent secretions in the oropharyngeal cavity from approaching the lens, so that the effect of better preventing pollutants from polluting the lens is achieved. When it is desired to spray the patient's throat with a local anesthetic, the drug may be administered through the airway.

The utility model also provides a soft visual laryngoscope assembly, including tongue depressor 3 and soft visual laryngoscope, tongue depressor 3 is connected with the free end of soft visual laryngoscope. The tongue depressor 3 is beneficial to lifting the tongue root and the epiglottis, enlarges the visual field in front of the lens and can effectively prevent the lens from being polluted.

In one embodiment of the flexible laryngoscope assembly of the present invention, the edge of the end of the flexible laryngoscope opposite to the tongue depressor 3 has a rounded corner. The arrangement of the round angle on the soft visual laryngoscope is beneficial to avoiding the soft visual laryngoscope from damaging the fragile pharyngeal posterior wall.

The utility model also provides an endotracheal intubation system, including the endotracheal tube guiding device with the utility model discloses a soft visual laryngoscope.

The endotracheal tube guiding device comprises a guiding piece, an endotracheal tube and a guiding rope, wherein a guiding sliding hole is arranged in the guiding piece, the endotracheal tube is detachably connected with the guiding piece, the initial end of the guiding piece extends out of one end, inserted into the glottis, of the endotracheal tube, and the guiding rope is used for being matched with the guiding channel and the guiding sliding hole.

The utility model discloses an endotracheal intubation system is when using, during stretching into patient's pharyngeal cavity with the mirror body of soft visual laryngoscope earlier, through the front end of the angle trigger adjustment mirror body for the front end of the mirror body aims at patient's glottis. Then, the guide cable is inserted from the flaring portion 102 of the guide channel 10 and extends out from the deflecting guide section 103 of the guide channel 10, and one end of the guide cable extending out of the deflecting guide section 103 can enter the glottis towards the direction close to the axle center of the soft visual laryngoscope under the guiding action of the deflecting guide section 103. Then, the end of the guide cable away from the glottis is inserted into a guide slide hole on a guide piece connected or sleeved with an endotracheal tube. At this time, both ends of the guide rope are respectively engaged with the guide passage 10 and the guide slide hole. Then, the endotracheal tube is pushed to move the guide member along the guide wire, and the guide member applies a pulling force to the guide wire in the direction of the outer side of the guide wire pulling slit 101 during the movement, and the guide wire is pulled out of the guide passage 10 from the guide wire pulling slit 101 by the above-mentioned pulling force. When the guide is moved to the end of the guide channel 10 at the free end of the scope, both the guide and the guide cable are separated from the guide channel 10. Then, the endotracheal tube is pushed on, and the guide member slides along the guide wire with the endotracheal tube into the glottis and into the trachea. And finally, pulling the guide cable and the guide piece out of the endotracheal tube, and withdrawing the soft visible laryngoscope to finish the intubation of the endotracheal tube.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a soft visual laryngoscope, its characterized in that, be equipped with the guide passage on the soft visual laryngoscope, be equipped with on the guide passage along the slit is pull to the guide cable that guide passage's length direction extends, the entry end of guide passage is equipped with flaring portion, the internal diameter of flaring portion reduces along keeping away from the direction of guide passage's entry end gradually, the exit end of guide passage is equipped with the guide section that deflects, the extending direction orientation of guide section that deflects the axle center of soft visual laryngoscope.

2. A soft visual laryngoscope as recited in claim 1, and further comprising a body and a handle, and wherein the guide channel is disposed on the body.

3. A soft visual laryngoscope as recited in claim 1, and further comprising a body and a handle, and wherein the flared portion is disposed on the handle.

4. A soft visual laryngoscope as claimed in claim 1, wherein the soft visual laryngoscope comprises a guide tube, the guide channel being located within the guide tube.

5. A soft visual laryngoscope as claimed in claim 4, wherein the guide tube is attached to an external surface of the soft visual laryngoscope and is detachably connected thereto.

6. A soft visual laryngoscope as recited in claim 4, and further comprising a guiding extension tube, wherein the guiding extension tube is connected with the outlet of the guiding tube, and the central axis of the guiding extension tube faces the axial center of the soft visual laryngoscope.

7. A soft visual laryngoscope as claimed in any one of claims 1 to 6, wherein a suction channel and a ventilation channel are provided within the soft visual laryngoscope.

8. A flexible visual laryngoscope assembly which comprises a tongue depressor and a flexible visual laryngoscope as claimed in any one of claims 1 to 7, wherein the tongue depressor is connected to the free end of the flexible visual laryngoscope.

9. A soft visual laryngoscope assembly as claimed in claim 8, wherein the edge of the end of the soft visual laryngoscope opposite the tongue depressor is rounded.

10. An endotracheal intubation system comprising an endotracheal tube guide device comprising a guide member, an endotracheal tube and a guide cable, the guide member having a guide slide hole therein, the endotracheal tube being detachably connected to the guide member, the guide member having a leading end protruding beyond an end of the endotracheal tube inserted into the glottis, the guide cable being arranged for cooperation with the guide channel and the guide slide hole, and a soft visual laryngoscope according to any one of claims 1 to 9.