CN110732069A - Trachea cannula capable of conducting esophagus drainage - Google Patents

Abstract

The invention discloses a trachea cannula capable of conducting esophagus drainage, which comprises a tube body, wherein the tube body comprises a ventilation cavity and a drainage cavity, the ventilation cavity and the drainage cavity extend along a main shaft, the distal opening of the drainage cavity is positioned at the proximal end of the distal opening of the ventilation cavity, the trachea cannula further comprises a cuff and a second cuff, the cuff is wrapped outside the tube body and is positioned at the proximal end of the distal opening of the ventilation cavity, the second cuff is positioned between the distal opening of the ventilation cavity and the cuff, after the trachea cannula is inserted into the throat of a patient, the openings of the proximal ends of the ventilation cavity and the drainage cavity are positioned outside the oral cavity of the patient, the cuff is used for sealing the sound of the patient, the second cuff is used for sealing the trachea of the patient, the drainage cavity is communicated with the esophagus of the patient through the distal opening, and drainage is carried out on the esophagus.

Description

Trachea cannula capable of conducting esophagus drainage

Technical Field

The invention relates to the technical field of medical instruments, in particular to trachea cannulas capable of conducting esophagus drainage.

Background

The trachea intubation is a method of placing a trachea cannula into a trachea or a bronchus through an oral cavity or a nasal cavity by sound , provides optimal conditions for unobstructed respiratory tract, ventilation and supply, respiratory tract suction and the like, and is an important measure for rescuing patients with respiratory dysfunction.

Existing endotracheal tubes typically include a tracheal cuff for sealing the trachea, but some patients may experience reflux of the esophagus, thereby presenting a surgical risk.

Disclosure of Invention

The invention provides trachea cannulas capable of conducting esophagus drainage, and solves the problem of operation risks caused by esophagus reflux of a patient in the existing trachea cannula operation.

The invention aims to provide trachea cannulas capable of conducting esophagus drainage, which comprise a tube body, wherein the tube body comprises a ventilation cavity and a drainage cavity, the ventilation cavity and the drainage cavity extend along a main shaft, the distal end opening of the drainage cavity is located at the proximal end of the distal end opening of the ventilation cavity, the trachea cannulas further comprise a cuff and a second cuff, the cuff and the second cuff are wrapped outside the tube body, the cuff is located at the proximal end of the distal end opening of the ventilation cavity, the second cuff is located between the distal end opening of the ventilation cavity and the cuff, after the trachea cannulas are inserted into the throat of a patient, the openings of the ventilation cavity and the proximal end of the drainage cavity are located outside the oral cavity of the patient, the cuff is used for sealing the patient acoustic , the second cuff is used for sealing the trachea of the patient.

, the distal opening of the drainage cavity is located in the cuff, the cuff has a semi-elliptical structure similar to the contour of an acoustic tube and comprises a th top wall, a second top wall and a side wall, the size of the th top wall is larger than that of the second top wall, the distal end of the tube body penetrates through the th top wall and then penetrates out of the side wall, an included angle α is formed between the side wall and the tube body, the α is 15-25 degrees, a drainage tube communicated to the drainage cavity from the outer side of the second top wall is further arranged in the cuff, and after the tracheal cannula is inserted into the larynx of the patient, the distal opening of the drainage tube is located in the esophagus of the patient.

, the th and second cuffs are inflatable cuffs, and an inflation cavity communicated with the th and second cuffs is arranged in the tube body.

, the th cuff and the second cuff are made of an elastic material.

The trachea cannula provided by the invention can simultaneously seal the trachea and the voice of a patient, prevent the esophagus from flowing backwards while ensuring a good sealing effect on the trachea, and can drain the esophagus to avoid the esophagus blockage.

Drawings

FIG. 1 is a top view of an endotracheal tube according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an endotracheal tube according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view taken along the plane a-a in fig. 1.

FIG. 4 is a schematic representation of an endotracheal tube of the present invention according to embodiment inserted into a patient's larynx.

FIG. 5 is a schematic view of a th balloon of the present invention in an th embodiment.

Fig. 6 is a cross-sectional view taken along plane B-B of fig. 2.

Figure 7 is a left side cross-sectional view of an endotracheal tube in accordance with a second embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in with reference to the accompanying drawings and embodiments.

In this specification, it is defined that, in the process of the endotracheal intubation, the end of the endotracheal intubation close to the operator is a proximal end, and the end far away from the operator is a distal end, and after the endotracheal intubation is inserted into the larynx of the patient, the front of the endotracheal intubation close to the larynx of the patient is an inner side, and the rear of the endotracheal intubation close to the larynx of the patient is an outer side.

Referring to fig. 1 to 3, an rd embodiment of the present invention provides a endotracheal tube 10 for esophageal drainage, including a tube 11 having substantially the same curvature as the human larynx, the tube 11 including a ventilation lumen 111 and a drainage lumen 112 extending along a major axis thereof, the ventilation lumen 111 being located inside the endotracheal tube 10, the drainage lumen 112 being located outside the endotracheal tube 10, and a distal opening of the drainage lumen 112 being located proximal to the distal opening of the ventilation lumen 111, the endotracheal tube 10 further including acuff 12 and a second cuff 13 wrapped around the tube 11, thecuff 12 being located proximal to the distal opening of the ventilation lumen 111, the second cuff 13 being located between the distal opening of the ventilation lumen 111 and thecuff 12, the ventilation lumen 111 and the proximal opening of the drainage lumen 112 being located outside the patient's mouth after the endotracheal tube 10 is inserted into the patient, thecuff 12 being used to close an acoustic cuff 101 and the second cuff 13 being used to close the patient's trachea 102, the drainage lumen 112 being in communication with the patient's larynx 103 through the distal opening to drain the patient's larynx to drain the laryngeal opening to drain the esophagus.

It should be noted that, in the tracheal intubation procedure, the distal opening of the drainage lumen may be directly inserted into the esophagus of the patient, in order to communicate the drainage lumen with the esophagus of the patient; or the drainage tube is connected to the opening at the far end of the drainage cavity and inserted into the esophagus of the patient, so that the drainage of the esophagus of the patient through the tracheal cannula is realized.

The trachea cannula provided by the invention can seal the trachea and can also seal patient sound so as to prevent the patient from generating esophagus reflux, and the drainage of the esophagus can be realized by arranging the drainage cavity of which the far end can be inserted into the esophagus so as to prevent the patient from generating esophagus blockage.

, as shown in fig. 3 and 5, the distal opening of the drainage lumen 112 is located in theth cuff 12, theth cuff 12 has a sound-like 2 contour similar to a semi-elliptical structure, and includes thtop wall 12a, secondtop wall 12b andside wall 12c, the thtop wall 12a has a size larger than that of the secondtop wall 12b, the distal end of the tube 11 penetrates through the thtop wall 12a and then penetrates out through theside wall 12c, so that an included angle α is formed between theside wall 12c and thetube 12, the α is 15 ° to 25 °, the th cuff is further provided with a drainage tube 121 communicating with the drainage lumen 112 from the outside of the secondtop wall 12b, the drainage tube 121 and the drainage lumen 112 are butted to form a drainage channel for draining the esophagus of a patient, after the tracheal cuff is inserted into the patient's throat, the th cuff is inserted into the patient, the drainage channel is used for achieving comfort of the first drainage balloon 25, the drainage balloon is better for sealing the esophageal opening of the drainage lumen, and the tracheal cuff is further capable of preventing the tracheal cuff from damaging the trachea, and the trachea cannula is further capable of increasing the sound of sealing the esophageal opening of the esophagus, so that the drainage tube 9685 is used for the trachea, and the trachea of the trachea, thereby preventing the trachea of the trachea, and improving the esophageal drainage channel of the esophagus.

, as shown in FIG. 6, thecuff 12 and the second cuff 13 are inflatable cuffs, and aninflation cavity 113 is formed in the tube 11 and communicates with thecuff 12 and the second cuff 13.

Referring to FIG. 7, a second embodiment of the present invention provides endotracheal tubes for esophageal drainage, which differs from embodiment in that thecuff 22 and thesecond cuff 23 are made of elastic material.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. The trachea cannula capable of conducting esophagus drainage is characterized by comprising a tube body, wherein the tube body comprises a ventilation cavity and a drainage cavity, the ventilation cavity and the drainage cavity extend along a main shaft, the distal opening of the drainage cavity is located at the proximal end of the distal opening of the ventilation cavity, the trachea cannula further comprises a cuff and a second cuff, the cuff is located at the proximal end of the distal opening of the ventilation cavity, the second cuff is located between the distal opening of the ventilation cavity and the cuff, after the trachea cannula is inserted into the throat of a patient, the openings of the ventilation cavity and the proximal end of the drainage cavity are located outside the oral cavity of the patient, the cuff is used for sealing the patient's voice , the second cuff is used for sealing the trachea of the patient, and the drainage cavity is communicated with the esophagus of the patient through the distal opening to conduct drainage on the esophagus.
2. 2. The endotracheal tube of claim 1, wherein the drainage lumen has a distal opening located in the cuff, the cuff has a semi-elliptical configuration with a contour resembling the contour of an acoustic and includes a th top wall, a second top wall and a side wall, the th top wall has a size larger than the second top wall, the distal end of the tube body penetrates the th top wall and then penetrates the side wall, so that an included angle α is formed between the side wall and the tube body, the α is 15 ° to 25 °, the cuff further includes a drainage tube communicating with the drainage lumen from the outside of the second top wall, and the drainage tube has a distal opening located in the esophagus of the patient after the endotracheal tube is inserted into the larynx of the patient.
3. 3. The endotracheal tube of claim 2, wherein the cuffs are inflatable cuffs, and wherein an inflation lumen is provided in the tube body in communication with the cuffs and the second cuff.
4. 4. The endotracheal tube of claim 2, wherein the th cuff and the second cuff are made of an elastic material.

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