CN220360602U

CN220360602U - Guide and cannula assembly

Info

Publication number: CN220360602U
Application number: CN202320631316.5U
Authority: CN
Inventors: 彭婷; 房祥峰
Original assignee: Tongji Hospital Affiliated To Tongji Medical College Of Huazhong University Of Science & Technology
Current assignee: Tongji Hospital Affiliated To Tongji Medical College Of Huazhong University Of Science & Technology
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2024-01-19
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to the technical field of anesthesia apparatuses, in particular to a guide piece and an intubation assembly. The guide piece comprises a guide part, a body part and a handle part for holding, wherein the guide part is connected with the handle part through the body part, and the guide part is used for being connected with an endotracheal tube. The cannula assembly comprises the guide described above. The utility model provides a guide piece and an intubation assembly, which can assist in controlling the trend of an endotracheal tube.

Description

Guide and cannula assembly

Technical Field

The utility model relates to the technical field of anesthesia apparatuses, in particular to a guide piece and an intubation assembly.

Background

Tracheal intubation is the most common basic procedure in anesthesia and can be divided into oral tracheal intubation and nasal tracheal intubation. When the nasal tracheal cannula is used, an tracheal catheter is usually used, and the tail end of the tracheal catheter passes through a narrow nasal cavity and a rear nostril, then reaches a pharyngeal cavity, and enters a glottis from the pharyngeal cavity. After reaching the pharyngeal cavity, the tail end of the tracheal catheter is easy to advance along the back wall of the oropharynx, particularly for infants or children, the glottis position is forward, the included angle between the tail end of the tracheal catheter and the axis of the back wall of the pharynx is larger, and if no other instrument intervenes at the moment, the tracheal catheter can slide to the inlet of the esophagus and cannot enter the glottis upwards, so that an instrument capable of controlling the trend of the tracheal catheter is needed.

Accordingly, the present application addresses the above-described problems by providing a new guide and cannula assembly.

Disclosure of Invention

The utility model aims to provide a guide piece which can assist in controlling the trend of an endotracheal tube.

It is also an object of the present utility model to provide an intubation assembly to further assist in controlling the orientation of an endotracheal tube.

Based on the first object, the present utility model provides a guide member, which comprises a guide portion, a body portion and a handle portion for holding, wherein the guide portion is connected with the handle portion through the body portion, and the guide portion is used for being connected with an endotracheal tube.

Further, the guide of the present utility model comprises a guide wire, along the length of the guide wire, the guide wire comprises a first end and a second end which are oppositely arranged, one side of the guide wire close to the first end is bent to form the handle part, one side of the guide wire, which is close to the second end, is bent to form a guide part which can be connected with the tracheal catheter.

Further to the ground is used to determine the position of the ground, the guide wire of the utility model is close to the second end one side is bent into a spiral shape to form the guide part.

Further to the ground is used to determine the position of the ground, the spiral of the utility model the number of turns is one.

Further to the ground is used to determine the position of the ground, the body part of the utility model and smoothly transits everywhere.

Further, the body part and the guide part are smoothly transited.

Further, the body part and the handle part are smoothly transited.

Further, the plane of the body part is a first surface, the plane of the handle part is a second surface, and the angle between the first surface and the second surface is 40-50 degrees;

the angle between the second face and the horizontal plane is in the range of 40-50 degrees when the first face is coincident with the vertical face, and the angle between the second face and the vertical face is in the range of 40-50 degrees.

Further, the guide wire is made of plastic or metal.

By adopting the technical scheme, the guide piece has the following beneficial effects:

when the guide piece is used for assisting in tracheal intubation, an operator holds the handle part by hand, and under the guidance of the visual laryngoscope or the common laryngoscope, the guide part stretches into the oral cavity and approaches to the tracheal catheter stretching out from the post-nasal hole, so that the guide part is connected with the tracheal catheter, and the tracheal catheter is limited. The operator moves the handle part, so that the handle part moves the guiding part through the body part, and the guiding part guides the tracheal catheter into the glottis to finish the operation of transnasal tracheal intubation.

The guiding piece can assist in controlling the trend of the tracheal catheter so that the tracheal catheter enters the glottis, and therefore the guiding piece plays an auxiliary role in operation of the tracheal cannula.

Based on the second object, the utility model provides an intubation assembly, which comprises an endotracheal tube and the guide piece.

By adopting the technical scheme, the cannula assembly has the following beneficial effects:

by providing the above-described guide in the cannula assembly, the cannula assembly accordingly has all the advantages of the above-described guide, which are not described in detail herein.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a guide member according to an embodiment of the present utility model;

FIG. 2 is a second schematic structural view of a guide member according to an embodiment of the present utility model;

FIG. 3 is a third schematic structural view of a guide member according to an embodiment of the present utility model;

fig. 4 is a schematic view showing a partial structure of a guide member according to an embodiment of the present utility model after the guide member is attached to an endotracheal tube.

Reference numerals:

1-an endotracheal tube;

2-a guide;

3-body;

4-handle portion.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1, the present embodiment provides a guide member, which includes a guide portion 2, a body portion 3 and a handle portion 4 for holding, wherein the guide portion 2 is connected to the handle portion 4 through the body portion 3, and the guide portion 2 is used for connecting to the endotracheal tube 1.

Referring to fig. 4, when the guide is used to assist in tracheal intubation, an operator holds the handle 4, and under the guidance of a visual laryngoscope or a common laryngoscope, the guide 2 is inserted into the oral cavity and approaches the tracheal catheter 1 extending from the post-nasal hole, so that the guide 2 is connected with the tracheal catheter 1, and the tracheal catheter 1 is limited. By moving the handle portion 4, the operator moves the guide portion 2 through the body portion 3 by the handle portion 4, and causes the guide portion 2 to guide the endotracheal tube 1 into the glottis, completing the transnasal endotracheal tube operation.

Wherein, the guiding piece can assist in controlling the trend of the tracheal catheter 1 so as to facilitate the tracheal catheter 1 to enter the glottis, thereby assisting the operation of the tracheal intubation.

Preferably, referring to fig. 2, in the present embodiment, the guide member includes a guide wire, and along the length direction of the guide wire, the guide wire includes a first end and a second end which are disposed opposite to each other, one side of the guide wire near the first end is bent to form a handle portion 4, and one side of the guide wire near the second end is bent to form a guide portion 2 capable of being connected to the endotracheal tube 1.

By means of the arrangement, the guide piece can be obtained by bending the first end and the second end of the guide wire, and the guide piece is simple to manufacture and low in cost.

Alternatively, the handle portion 4 is formed by bending a side of the guide wire near the first end into a circular ring shape, a square shape, a planar spiral shape, or the like.

It should be added that in the prior art, the end of the tracheal tube is usually clamped by an endotracheal intubation forceps and lifted up for accurate glottis feeding. Tracheal intubation forceps, also known as Magill forceps (Magill force ps), may be used to aid laryngoscopy or to position the tracheal tube during transnasal tracheal intubation. However, tracheal cannula clamps are costly and require repeated sterilization, not every operating room.

The guide piece of this embodiment is made by the seal wire, compares with the trachea cannula pincers with lower cost, can regard as disposable product, can regard as medical waste to handle after the use, can replace the auxiliary role of trachea cannula pincers in the operation of transnasal trachea cannula, does not need extra equipment, has the availability at any time, and greatly reduced the cost.

Preferably, referring to fig. 3, in this embodiment, a side of the guide wire near the second end is bent into a spiral shape to form the guide portion 2.

When the guide is used for assisting in tracheal intubation, an operator holds the handle part 4, stretches the guide part 2 into the oral cavity under the guidance of a visual laryngoscope or a common laryngoscope, approaches the tracheal catheter 1 stretching out of the nasal cavity, enables the end part of the guide part 2 to be inserted into a gap between the tracheal catheter 1 and the pharyngeal wall, and rotates the wrist to enable the guide part 2 to rotate along the spiral direction after success, so that the tracheal catheter 1 is screwed into the spiral of the guide part 2 to limit the tracheal catheter 1.

Preferably, referring to fig. 4, in the present embodiment, the number of turns of the spiral is one.

By means of the arrangement, on one hand, the tracheal catheter 1 is conveniently screwed into the spiral of the guide part 2, smooth introduction of the tracheal catheter 1 is prevented from being influenced due to difficulty in entering the spiral of the tracheal catheter 1, on the other hand, the tracheal catheter 1 can be limited, and trend of the tracheal catheter 1 can be reliably controlled in an auxiliary mode.

Preferably, referring to fig. 1, in this embodiment, the body 3 is smoothly transitioned everywhere.

By the arrangement, after the body part 3 enters the nasal cavity, the pharyngeal cavity and the glottis, injury to a human body is prevented to a certain extent, and the guide piece is safer to use.

Preferably, the extension shape of the body 3 is the same as that of the hockey, and is closer to the shape of the nasal cavity of the human body, so that the body 3 can better adapt to the shape of the nasal cavity after penetrating into the nasal cavity of the human body, and the injury to the nasal cavity is prevented.

Preferably, referring to fig. 2, in this embodiment, the body 3 and the guiding portion 2 are preferably smoothly transited, and the body 3 and the handle portion 4 are smoothly transited, so that the safety of using the guiding member is further increased.

Preferably, in this embodiment, the plane of the body 3 is a first surface, the plane of the handle 4 is a second surface, and the angle between the first surface and the second surface is 40 ° -50 °; the angle between the second face and the horizontal plane is in the range of 40-50 deg. when the first face is coincident with the vertical face, and the angle between the second face and the vertical face is in the range of 40-50 deg..

Optionally, the angle between the first face and the second face is 40 °, 42 °, 44 °, 46 °, 48 °, or 50 °. The angle between the second face and the horizontal plane is 40 °, 42 °, 44 °, 46 °, 48 ° or 50 °. The angle between the second face and the vertical face is 40 °, 42 °, 44 °, 46 °, 48 ° or 50 °.

It should be noted that, when the guide member is in use, the first surface coincides with the vertical surface, at this time, the angle range between the first surface and the second surface is 40 ° -50 °, the angle range between the second surface and the horizontal surface is 40 ° -50 °, and the angle range between the second surface and the vertical surface is 40 ° -50 °, so that the operator more accords with the posture of holding the pen holder by the human body when holding the handle portion 4, and the operator operates the guide member more naturally and with less effort.

Preferably, in this embodiment, the guide wire is plastic or metal. Preferably, the plastic is a hard plastic. Plastics and metals are relatively hard and relatively low cost pieces, thereby reducing the cost of the guide.

Alternatively, the plastic is, for example, a phenolic plastic, an epoxy plastic, an acryl resin, or the like; the metal is, for example, aluminum, iron, copper, or an alloy.

Example two

The second embodiment provides a cannula assembly, which includes the guide member of the first embodiment, and the technical features of the guide member disclosed in the first embodiment are also applicable to the first embodiment, and the technical features of the guide member disclosed in the first embodiment are not repeated.

The intubation assembly provided by the embodiment comprises the tracheal catheter 1 and the guide piece, and further solves the technical problem that the device for controlling the trend of the tracheal catheter 1 in the prior art is high in cost.

Alternatively, the endotracheal tube 1 and the guide may be packaged together, used as a kit at the time of surgery, and the endotracheal tube 1 and the guide may be disposed of together as medical waste.

In this embodiment, the guide member includes a guide wire, and the guide wire includes a first end and a second end that are disposed opposite to each other along a length direction of the guide wire, and a side of the guide wire, which is close to the first end, is bent to form a handle portion 4, and a side of the guide wire, which is close to the second end, is bent to form a guide portion 2 that can be connected to the endotracheal tube 1.

Optionally, the connection part is a connection hook, a connection clip, a connection ring or the like, and can be connected with the tracheal catheter.

Preferably, in this embodiment, the side of the guide wire near the second end is bent into a spiral shape to form the guide part 2, and the side of the guide wire near the first end is bent into a circular ring shape, a square shape, a planar spiral shape, or the like to form the handle part 4.

Preferably, in this embodiment, the body 3 is smoothly transitioned everywhere, the body 3 is smoothly transitioned with the guide 2, and the body 3 is smoothly transitioned with the handle 4, so that the safety of the guide in use is improved.

The cannula assembly of this embodiment has the advantages of the first guide embodiment, which are described in detail in the first embodiment and are not repeated here.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A guide, characterized by comprising a guide part (2), a body part (3) and a handle part (4) for holding, wherein the guide part (2) is connected with the handle part (4) through the body part (3), and the guide part (2) is used for being connected with an endotracheal tube (1);

the guide piece comprises a guide wire, the guide wire comprises a first end and a second end which are oppositely arranged along the length direction of the guide wire, one side, close to the first end, of the guide wire is bent to form the handle part (4), and one side, close to the second end, of the guide wire is bent to form a guide part (2) capable of being connected with the tracheal catheter (1);

one side of the guide wire close to the second end is bent into a spiral shape to form the guide part (2);

the extension shape of the body part (3) is the same as that of the hockey.

2. The guide of claim 1, wherein the number of turns of the spiral is one.

3. Guide according to claim 1, characterized in that the transition between the body (3) and the guide (2) is rounded.

4. Guide according to claim 1, characterized in that the transition between the body (3) and the handle (4) is rounded.

5. A guide according to any one of claims 1-4, characterized in that the plane of the body (3) is a first face and the plane of the handle (4) is a second face, the angle between the first face and the second face being in the range 40 ° -50 °;

6. The guide of any of claims 1-4, wherein the guidewire is plastic or metal.

7. A cannula assembly comprising an endotracheal tube (1) and a guide as claimed in any of claims 1 to 6.