CN211188672U

CN211188672U - Sleeve type trachea cannula

Info

Publication number: CN211188672U
Application number: CN201922049643.6U
Authority: CN
Inventors: 张生茂; 李娜
Original assignee: Inner Mongolia Peoples Hospital
Current assignee: Inner Mongolia Peoples Hospital
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-08-07
Anticipated expiration: 2029-11-23

Abstract

The sleeve type trachea cannula comprises a trachea cannula and a sheath tube, wherein the sheath tube is inserted into a lumen of the trachea cannula and is detachably connected with the trachea cannula. The front end of the trachea cannula is provided with two air bags which are a first air bag and a second air bag respectively, a breathing hole is formed in the trachea cannula between the first air bag and the second air bag, a branch pipe communicated with the trachea cannula is obliquely arranged at the rear end of the trachea cannula, the tail ends of the trachea cannula and the branch pipe are fixedly provided with a respirator connector, and a sealing cover is further fixed on the trachea cannula. The front end of the sheath tube is fixed with a plugging air bag, and the rear end is provided with a positioning retaining ring. The trachea cannula can be used as a common trachea cannula to solve the problem of unsmooth respiration of tracheal stenosis, and can also be used as a bronchus stopper to perform blocking treatment on a single-side bronchus, so that the aim of one object for multiple purposes is achieved, the pain of a patient caused by changing different medical instruments can be reduced, and meanwhile, the outer diameter of the trachea cannula is smaller than that of a double-cavity bronchus stopper, so that the respiratory tract is prevented from being damaged.

Description

Sleeve type trachea cannula

Technical Field

The utility model relates to the field of medical equipment, concretely relates to sleeve-type trachea cannula.

Background

The common trachea cannula for the bronchial interventional operation comprises a double-cavity endobronchial catheter (D L Ts) and a single-cavity bronchial catheter, wherein the double-cavity endobronchial catheter is of a one-tube two-cavity structure, two openings are formed in two sections, one opening is located in a trachea section of the catheter, the other opening is located in a far-end main bronchus section, although the structure meets the function of separating an affected-side bronchus, the outer diameter of the double-cavity bronchial catheter is thick, the respiratory tract is easily damaged during intubation, the inner diameter of the catheter is too thin, the bronchoscope cannot perform operation through the double-cavity bronchus, particularly the opening of the main bronchus of the upper right lung is easily blocked by an air bag.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that two-chamber endotracheal tube exists, a telescopic trachea cannula has been designed, this trachea cannula can regard as ordinary trachea cannula in order to solve the narrow unsmooth problem of breathing of trachea, still can regard as the bronchus plugging device in order to carry out the shutoff treatment to unilateral trachea, reach the multi-purpose of a thing, and the reducible different medical instrument of change and the misery that brings for the patient, the external diameter of this trachea cannula is littleer than two-chamber bronchus plugging device simultaneously, prevent to damage the respiratory track.

In order to achieve the above object, the above technical effects are achieved, the utility model discloses a following technical scheme realizes:

the utility model provides a telescopic trachea cannula, includes trachea cannula, still includes the sheath pipe, and the sheath pipe inserts in trachea cannula's the lumen and with trachea cannula detachable connection, the length of sheath pipe is not more than trachea cannula's length. The front end of the trachea cannula is provided with two air bags which are a first air bag and a second air bag respectively, a breathing hole is formed between the first air bag and the second air bag, the rear end of the trachea cannula is fixedly provided with a first inflation connector and a second inflation connector, and the first inflation connector and the second inflation connector are respectively communicated with the first air bag and the second air bag through inflation tubes embedded in the tube wall of the trachea cannula. Trachea cannula's rear end slope is equipped with rather than the branch pipe that link up, and the tail end of trachea cannula and branch pipe is fixed with the breathing machine interface, and the needs that not only can satisfy the ventilation of branch pipe still can regard as inhaling phlegm pipe male passageway, and when inhaling phlegm operation, the breathing machine interface of trachea cannula afterbody inserts the breathing machine and can normally breathe, prevents that traditional trachea cannula from needing to pull out the risk that the breathing machine pipeline just can inhale phlegm operation. In addition, a sealing cover used for sealing the respirator interface is fixed on the tracheal intubation.

The sheath pipe is the hollow tube body structure of both ends open-ended, and the front end of sheath pipe is fixed with the shutoff gasbag, and the rear end of sheath pipe is fixed with the location retaining ring, is fixed with the breathing machine interface on the location retaining ring, and one side of location retaining ring is fixed with the third and aerifys the interface, and the third is aerifyd the interface and is connected with the shutoff gasbag through burying the gas tube in the sheath pipe wall underground. The sheath pipe is inserted into the trachea cannula, when the positioning retainer ring of the sheath pipe is abutted to the respirator interface of the trachea cannula, the plugging air bag crosses the breathing hole and is positioned on the left side of the breathing hole, the front end of the sheath pipe is positioned on the right side of the first air bag, and the plugging air bag forms plugging for the trachea cannula after being inflated. In order to fix the sheath tube on the trachea cannula, the left side of the positioning retainer ring can be provided with an annular groove, and the respirator interface of the trachea cannula can be inserted into the annular groove to form a plug-pull relationship.

The utility model has the advantages that: 1. the trachea cannula can be used as a common trachea cannula to solve the problem of tracheal stenosis and unsmooth respiration, can also be used as a bronchus stopper to perform blocking treatment on a single side bronchus, achieves the aim of multiple purposes, and can reduce the pain of a patient caused by replacing different medical instruments; 2. the outer diameter of the tracheal cannula is smaller than that of a double-cavity bronchial stopper, so that the tracheal cannula can prevent respiratory tract injury, and can be applied to adults and children; 3. the trachea cannula is double-interface, can perform sputum suction operation without plugging and unplugging a breathing machine pipeline, and is safer in sputum suction.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall construction of a telescopic endotracheal tube;

FIG. 2 is a schematic structural view of the endotracheal tube;

FIG. 3 is a schematic view of the sheath;

figure 4 is a schematic view of the use of a telescopic endotracheal tube.

In the drawings, the components represented by the respective reference numerals are listed below:

1-trachea cannula, 2-first air sac, 3-second air sac, 4-first air charging interface, 5-second air charging interface, 6-branch pipe, 7-sheath pipe, 8-sealing cover, 9-breathing hole, 10-respirator interface, 11-sealing air sac, 12-positioning retainer ring, 13-third air charging interface, 14-right bronchus and 15-left bronchus.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a sleeve type tracheal cannula comprises a tracheal cannula 1 and a sheath tube 7, wherein the sheath tube 7 is inserted into a lumen of the tracheal cannula 1 and detachably connected with the tracheal cannula 1, and the length of the sheath tube 7 is not greater than that of the tracheal cannula 1. The front end of the trachea cannula 1 is provided with two air bags, namely a first air bag 2 and a second air bag 3, a breathing hole 9 is formed between the first air bag 2 and the second air bag 3, the rear end of the trachea cannula 1 is fixedly provided with a first inflation connector 4 and a second inflation connector 5, and the first inflation connector 4 and the second inflation connector 5 are respectively connected with the first air bag 2 and the second air bag 3 in a through mode through an inflation tube embedded in the wall of the trachea cannula. The rear end of the trachea cannula 1 is obliquely provided with a branch tube 6 communicated with the trachea cannula, and the included angle between the branch tube and the trachea cannula 1 is 30-45 degrees. The tail ends of the tracheal cannula 1 and the branch tube 6 are fixed with a respirator interface 10, and the tracheal cannula 1 is also fixed with a sealing cover 8 for sealing the respirator interface.

The sheath pipe 7 is a hollow pipe body structure with two open ends, the front end of the sheath pipe 7 is fixed with a blocking air bag 11, the rear end of the sheath pipe 7 is fixed with a positioning check ring 12, a breathing machine interface 10 is fixed on the positioning check ring 12, a third inflation interface 13 is fixed on one side of the positioning check ring, and the third inflation interface 13 is connected with the blocking air bag 11 in a penetrating way through an inflation pipe embedded in the wall of the sheath pipe. When the sheath tube 7 is inserted into the tracheal cannula 1 and the positioning retainer ring 12 of the sheath tube 7 is abutted against the respirator interface 10 of the tracheal cannula 1, the plugging air bag 11 crosses the respiratory orifice 9 and is positioned on the left side of the respiratory orifice 9, the front end of the sheath tube 7 is positioned on the right side of the first air bag 2, and the plugging air bag 11 forms plugging to the tracheal cannula 1 after being inflated.

As shown in fig. 4, a specific application of the present device is: the trachea cannula is inserted along the respiratory tract of a patient, the front end of the trachea cannula is inserted into the left bronchus 15, the breathing hole 9 is positioned in the main trachea above the airway opening of the right bronchus, enough gas is respectively injected into the first air bag 2 and the second air bag 3 through the first inflation interface 4 and the second inflation interface 5, the first air bag 2 and the second air bag 3 are fixed in the respiratory tract and the left bronchus 15 after being inflated, and at the moment, the respiratory tract is blocked by the second air bag 3. The breathing machine pipeline is sleeved on a breathing machine interface 10 at the tail part of the tracheal cannula, meanwhile, the sealing cover 8 is used for sealing the breathing machine interface on the branch pipe 6, the breathing machine is opened, the left and right bronchi can be ventilated through the tracheal cannula 1, and the sleeve type tracheal cannula is the conventional breathing pipeline.

The sheath tube 7 is inserted into the respirator interface 10 at the tail end of the tracheal cannula 1 until the positioning retainer ring 12 of the sheath tube 7 abuts against the respirator interface 10, the positioning retainer ring 12 seals the tail end of the tracheal cannula 1, and the sealing air bag 11 at the front end of the sheath tube 7 passes through the breathing hole opening 9 and reaches the front end of the tracheal cannula 1. The third inflation interface 13 is connected with an injector for inflation, the plugging air bag expands after inflation and forms a plug for the front end of the tracheal cannula, so that a left bronchus is plugged, the respirator pipeline can be connected to the respirator interface 10 of the bronchus 6 at the moment, the right bronchus is ventilated through the breathing hole opening 9, airflow flows along the gap between the sheath tube 7 and the inner wall of the tracheal cannula, and normal oxygen supply of a patient in operation is ensured. The trachea cannula of the left bronchus 15 is blocked, so that the risk caused by the fact that blood enters a respiratory tract in the operation process is prevented, and an operator can stretch surgical instruments into the left bronchus 15 through the sheath tube 7 to perform operation, so that the safety of the operation is ensured. This trachea cannula is single chamber formula body, and its external diameter compares in two-chamber bronchus plugging device and can accomplish more thinly, and it not only can be used to adult's respiratory tract intubate but also can be applied to children's respiratory tract intubate to the damage of respiratory tract and to patient's stimulation when reducing the intubate two-chamber trachea plugging device. After the operation is finished, the sealing cover is covered on the respirator interface of the sheath tube 7, on one hand, pollution is prevented, on the other hand, the left bronchus needs to be continuously sealed until the blood seepage stops, the respirator pipeline is sleeved on the respirator interface 10 at the tail part of the sheath tube 7, the sealing cover 8 is sealed on the branch tube 6, and at the moment, the left bronchus 15 can be mechanically ventilated.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A sleeve type tracheal cannula comprises a tracheal cannula and is characterized by also comprising a sheath tube, wherein the sheath tube is inserted into a lumen of the tracheal cannula and is detachably connected with the tracheal cannula, and the length of the sheath tube is not more than that of the tracheal cannula;

the front end of the trachea cannula is respectively fixed with a first air bag and a second air bag, the trachea cannula between the first air bag and the second air bag is provided with a breathing hole, the rear end of the trachea cannula is fixed with a first inflation interface and a second inflation interface, the first inflation interface and the second inflation interface are respectively communicated with the first air bag and the second air bag through inflation tubes, the rear end of the trachea cannula is obliquely provided with a branch tube communicated with the rear end of the trachea cannula, the tail ends of the trachea cannula and the branch tube are respectively fixed with a respirator interface, and the trachea cannula is also fixed with a sealing cover;

the sheath pipe front end be fixed with the shutoff gasbag, the rear end of sheath pipe is equipped with the location retaining ring, when the location retaining ring supports and holds on trachea cannula's breathing machine interface, the shutoff gasbag crosses the breathing entrance to a cave and is located the left side of breathing entrance and the front end of sheath pipe is located the right side of first gasbag, the shutoff gasbag forms the shutoff to trachea cannula after aerifing.

2. The telescopic endotracheal tube according to claim 1, characterized in that the angle between said branch tube and the endotracheal tube is comprised between 30 ° and 45 °.