CN219022809U

CN219022809U - Novel trachea cannula

Info

Publication number: CN219022809U
Application number: CN202223076007.0U
Authority: CN
Inventors: 厉翰峙; 杨林敏; 陈捷峰
Original assignee: Fengchenhan Guangzhou Medical Equipment Co ltd
Current assignee: Fengchenhan Guangzhou Medical Equipment Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-05-16
Anticipated expiration: 2032-11-21

Abstract

The utility model provides a novel trachea cannula, which comprises a main pipe and a guide wire inserted in the main pipe, wherein the main pipe comprises a main pipe body, a main pipe head and a main pipe balloon, the front end of the guide wire extends out of the main pipe head, the trachea cannula further comprises an auxiliary pipe, the auxiliary pipe comprises an auxiliary pipe body, an auxiliary pipe plug arranged at the front end of the auxiliary pipe body and an auxiliary pipe balloon arranged at the rear part of the auxiliary pipe plug, the auxiliary pipe is sleeved at the front end of the guide wire through the auxiliary pipe plug and the auxiliary pipe body, the auxiliary pipe plug and the main pipe head are arranged front and back, and the auxiliary pipe and the main pipe work independently. According to the utility model, the main pipe and the auxiliary pipe are independently operated, and the auxiliary pipe is arranged at the end part of the guide wire extending out of the main pipe, so that medical instruments such as a laryngeal mask and a throat can be replaced in emergency treatment occasions, and the intubation is convenient and quick; after the emergency treatment is finished, the main pipe can be directly used for endotracheal intubation without disconnecting the respiratory connection equipment, so that the effect of reducing the operation of inserting the main pipe into the trachea is achieved, and the risk of disconnecting the respiratory connection equipment to a patient is reduced.

Description

Novel trachea cannula

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a novel trachea cannula.

Background

Endotracheal intubation is a method of using a cannula through the mouth or nose, through the larynx and into the trachea, an important step in the general medical practice of providing a positive airway pressure, to allow anesthesia to be administered or air to be provided into the lungs. The intubation tube is firstly inserted into the trachea by medical staff, then a certain amount of air is injected into the air bag, so that the air bag is inflated and clamped in the trachea to prevent falling, and then oxygen supply or anesthesia can be carried out on the trachea through the intubation tube.

Because the trachea cannula operation needs auxiliary equipment tools to realize, occasions needing first aid often use laryngeal masks, throats and other medical instruments which do not need auxiliary tools to carry out emergency breathing treatment, the intubation is used again after the emergency treatment is finished, the process is troublesome in operation, the breathing connection equipment needs to be disconnected for operation, and a certain risk is brought to a patient when the breathing connection equipment is disconnected.

Disclosure of Invention

The utility model aims at a novel trachea cannula which can be directly used in emergency treatment occasions to replace medical instruments such as laryngeal masks, throats and the like, is convenient and quick, and can be directly inserted into a patient's trachea by a cannula main pipe after emergency treatment is completed without disconnecting respiratory connection equipment and guiding the cannula main pipe through auxiliary equipment such as a bronchoscope and the like.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides a novel trachea cannula, trachea cannula is including being responsible for and interlude be in the seal wire in being responsible for, be responsible for including being responsible for the body, setting and be in be responsible for the body front end main tube head, set up main tube sacculus, with be responsible for the sacculus to be connected be responsible for the inflation tube and be responsible for the inflation interface and set up again be responsible for the interface of being responsible for the body rear end, the front end of seal wire stretches out be responsible for the head, the front end of seal wire stretches out the length of being responsible for the head is adjustable, trachea cannula still includes the accessory tube, the accessory tube includes the accessory tube body, sets up accessory tube end cap of accessory tube body front end, set up accessory tube sacculus at accessory tube end cap rear portion, accessory tube sacculus be connected accessory tube and accessory tube inflation interface, the anterior unshaped opening of accessory tube end cap and accessory tube body suit are in the seal wire front end, accessory tube is arranged with main tube head, accessory tube end cap and main tube head are the front and back arrangement, mutually independent work.

Preferably, the main pipe interface can be connected with a three-way conversion connector, and an endoscope connector and a multifunctional conversion connector are also connected to the three-way conversion connector.

Preferably, the auxiliary tube further comprises a suction cavity head, a suction cavity tube body connected with the suction cavity head and a suction cavity interface connected with the suction cavity tube body, and the suction cavity head, the suction cavity tube body and the suction cavity interface are independent of the auxiliary tube balloon, the auxiliary tube inflation pipeline and the auxiliary tube inflation interface.

Further, the suction cavity tube body and the auxiliary tube inflation tube are formed in an auxiliary tube connecting tube connected with the suction cavity head and the auxiliary tube balloon respectively, and the suction cavity tube body and the auxiliary tube inflation tube form an independent channel in the auxiliary tube connecting tube.

Preferably, a plurality of protrusions are formed on the inner wall of the auxiliary pipe body, and the protrusions enable the main pipe body to be tightly connected with the guide wire.

Preferably, two main tube balloons can be arranged, and the two main tube balloons respectively correspond to the two groups of main tube inflation tubes and the main tube inflation interfaces.

Preferably, the outer layer of the main pipe balloon is made of TPU material.

Preferably, the front end of the guide wire extends out of the main tube head to reach between the tail end of the esophagus and the tracheae of the human body.

Preferably, the length of the auxiliary pipe body is smaller than the length of the front end of the guide wire extending out of the main pipe head.

Compared with the prior art, the utility model has the beneficial effects that: the auxiliary pipe is arranged at the end part of the guide wire which is combined and extends forwards in front of the main pipe, the main pipe and the auxiliary pipe work independently, and in an emergency treatment occasion, the auxiliary pipe can replace medical instruments such as a laryngeal mask, a throat and the like, and the intubation is convenient and quick; after the emergency treatment is finished, the main pipe can be directly inserted into the trachea without disconnecting the respiratory connection equipment, and the main pipe can be inserted into the trachea of a patient through guiding auxiliary equipment such as a bronchoscope, so that the effect of inserting the main pipe into the trachea for operation after the emergency treatment can be reduced, and the risk of disconnecting the respiratory connection equipment to the patient is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure assembly of the present utility model;

FIG. 3 is a schematic view 1 of the whole use state of the present utility model;

FIG. 4 is a schematic view 2 showing the whole use state of the present utility model;

FIG. 5 is a schematic view of a three-way adapter of the present utility model;

FIG. 6 is a schematic view of section A-A of FIG. 1 in accordance with the present utility model;

FIG. 7 is a schematic view of section B-B of FIG. 1 according to the present utility model.

Detailed Description

The utility model is further illustrated by the following examples:

example 1:

referring to fig. 1-7, the novel trachea cannula according to the present embodiment, similar to a general trachea cannula, the trachea cannula includes a main tube 1 and a guide wire 3 inserted in the main tube 1, the main tube 1 includes a main tube body 11, a main tube head 12 disposed at a front end of the main tube body 11, a main tube balloon 13 disposed at a rear end of the main tube head 12, a main tube inflation tube 14 connected with the main tube balloon 13, a main tube inflation interface 15, and a main tube interface 16 disposed at a rear end of the main tube body 11, the main tube inflation interface 15 includes a main tube balloon indication balloon 151 and a main tube check valve 152 sequentially connected with the main tube inflation tube 14, the guide wire 3 is provided with a guide wire fixer 4 at the main tube interface 16, and the guide wire fixer 4 is used for fixing the guide wire 3 in the main tube body 11, and can also block the main tube interface 16;

in order to be applied to emergent occasion, replace medical instrument such as laryngeal mask, venturi, seal wire front end 3a stretches out main pipe head 12, the trachea cannula still includes accessory tube 2, accessory tube 2 includes accessory tube body 21, sets up accessory tube end cap 22 of accessory tube body 21 front end, set up accessory tube sacculus 23 at accessory tube end cap 22 rear portion, with accessory tube air inflation tube 24 and accessory tube inflation interface 25 that accessory tube sacculus 23 is connected, the front portion of accessory tube end cap 22 does not shape the opening, i.e. seal wire 3 does not pierce through accessory tube end cap 22, accessory tube inflation interface 25 include with accessory tube sacculus indicating bag 251 and accessory tube check valve 252 that accessory tube air inflation tube 24 connects gradually, accessory tube 2 suit is in through accessory tube end cap 22 and accessory tube body 21 seal wire front end 3a, accessory tube end cap 22 is arranged with main pipe head 12 front and back, accessory tube 2 and main pipe 1 mutually independent work.

The length of the front end 3a of the guide wire, which extends out of the main pipe head 12, is adjustable, the length of the front end 3a of the guide wire, which extends out of the main pipe head 12, is generally between the tail end of the esophagus of a human body and the trachea, so that the auxiliary pipe 2 can be kept in front of the mouth of the trachea, and the main pipe 1 can be kept behind the mouth of the trachea, so that a closed space is formed between the throat and the stomach; generally, the length of the secondary tube body 21 is smaller than the length of the guide wire front end 3a extending out of the main tube head 12, so as to prevent the rear end of the secondary tube body 21 from blocking the main tube head 12.

A plurality of protrusions 211 are formed on the inner wall of the auxiliary pipe body 21, the protrusions 211 enable the main pipe body 11 to be tightly connected with the guide wire 3, and when the auxiliary pipe body 21 is inserted on the guide wire 3, the guide wire 3 is pressed on the inner wall of the auxiliary pipe body 21 through the protrusions 211 to be fixedly connected.

The secondary tube 2 is used to block the end of the esophagus, prevent oxygen or anesthetic introduced from the primary tube 1 from entering the stomach, and allow access to the airway along a single passageway.

When the intubation tube is needed to be treated in an emergency, the auxiliary tube 2 is inserted and sleeved at the front end 3a of the guide wire, the length of the guide wire 3 extending out of the main tube head 12 is adjusted, the auxiliary tube 2 is enabled to be in the esophagus of a patient, the main tube head 12 is aligned with the glottic position of the food mouth, after the auxiliary tube balloon 23 and the main tube balloon 13 are inflated after being positioned, the throat forms a closed space to the stomach, only the artificial ventilation channel established by the intubation tube is communicated with the inside and the outside of a human body and is used for supplying oxygen to the patient, and the guide wire 3 is pulled out, so that the main tube 1 is communicated.

The outer surface of the main tube balloon 13 is pressed on the auxiliary tube inflation tube 24 at this time, because the main tube balloon 13 is made of flexible material with elasticity, especially the outer layer of the main tube balloon 13 can be made of TPU material, the TPU has excellent high tension, toughness and aging resistance, and the human esophagus has elasticity, so the main tube balloon 13 can wrap and press the auxiliary tube inflation tube 24 on the esophagus wall, and keep a closed space.

The main pipe interface 16 can be connected with a three-way adapter 5, and the three-way adapter 5 is also connected with an endoscope adapter 51 with a cover and a multifunctional adapter 52, wherein the endoscope adapter 51 is used for extending a bronchoscope into a human body along the main pipe 1 and assisting the main pipe 1 to be inserted into a trachea; the multifunctional adapter 52 may be connected to a respiratory device or an anesthetic device for supplying oxygen or for anesthetizing, and may be used during or after emergency treatment.

A developable cannula head and a shaped mezzanine aperture are formed at the front end of the main tube head 12; a developable plug is also formed at the front end of the secondary tube plug 22.

Example 2:

the difference from example 1 is that: the auxiliary tube 2 further comprises an attraction cavity head 26, an attraction cavity tube 27 connected with the attraction cavity head 26 and an attraction cavity interface 28 connected with the attraction cavity tube 27, the attraction cavity head 26, the attraction cavity tube 27 and the attraction cavity interface 28 are independent of the auxiliary tube balloon 23, the auxiliary tube inflation tube 24 and the auxiliary tube inflation interface 25, the attraction cavity head 26 and the attraction cavity tube 27 extend out of the auxiliary tube plug 22 to communicate the human digestive tract with the outside, the attraction cavity interface 28 is a luer connector, and the attraction cavity head 26 can attract the reflux of the digestive tract of a patient in the emergency treatment process or decompress the digestive tract.

Example 3:

the difference from example 2 is that: the suction cavity tube body 27 and the auxiliary tube inflation tube 24 are formed in the auxiliary tube connection tube 29 which is respectively connected with the suction cavity head 26 and the auxiliary tube balloon 23, and the suction cavity tube body 27 and the auxiliary tube inflation tube 24 form a single channel in the auxiliary tube connection tube 29, so that the suction cavity tube body 27 and the auxiliary tube inflation tube 24 can be better wrapped outside the auxiliary tube connection tube 29 without being respectively wrapped when the main tube balloon 13 is inflated.

Example 4:

the difference from example 1 is that: the two main tube balloons 13 may be provided, the two main tube balloons 13 respectively correspond to the two groups of main tube inflation tubes 14 and the main tube inflation interfaces 15, and the two main tube balloons 13 have the functions of enhancing the sealing performance and preventing air leakage.

Working principle:

when the intubation is needed in an emergency scene, the auxiliary tube 2 is inserted and sleeved at the front end 3a of the guide wire, and the length of the guide wire 3 extending out of the main tube is adjusted, namely, the distance between the auxiliary tube 2 and the main tube 1 is generally that the auxiliary tube 2 reaches between the tail end of the esophagus of a human body and the air pipe mouth, so that the auxiliary tube 2 can be kept in front of the air pipe mouth of the human body, and the main tube 1 can be kept behind the air pipe mouth of the human body; the main pipe 1 with the auxiliary pipe 2 and the guide wire 3 is inserted into a human body from a patient mouth, the auxiliary pipe 2 is sent into the esophagus of the patient, the main pipe head 12 is aligned with the glottic position of the throat, after the position is determined, the auxiliary pipe balloon 23 and the main pipe balloon 13 are inflated to form a closed space between the throat and the stomach, and the closed space is only kept inside and outside the human body through a manual ventilation channel established by the cannula for emergency oxygen supply to the patient; after the cannula is fixed, the guide wire 3 and the guide wire fixer 4 are pulled out, the three-way adapter 5 is connected with the main pipe interface 16, and oxygen or anesthetic gas is introduced into the main pipe 1 through the multifunctional adapter 51 for emergency treatment;

the suction cavity head 26 of the auxiliary tube 2 is independently communicated with the esophagus (alimentary canal) and the outside of the human body, so that the sealing of the airway is not affected, and the reflux of the alimentary canal of a patient can be sucked or the pressure of the alimentary canal can be relieved.

The intubation process is convenient and quick, the operation steps are simple, and the intubation process is convenient to apply in an emergency scene.

After the emergency treatment is completed, the air in the main pipe balloon 13 and the auxiliary pipe balloon 23 is pumped out, the cover of the endoscope connector 51 of the three-way conversion connector 5 connected to the main pipe interface 16 is opened, the main pipe 1 can be sent into the airway of a patient by using the endoscope guide, and the operation can be performed without disconnecting the respiratory connection equipment by using the endoscope guide from the endoscope connector 51 relative to the laryngoscope, so that the dangerous condition of the patient due to the fact that oxygen is not supplied in time is reduced.

After the main pipe 1 enters the trachea, the auxiliary pipe 2 is not needed to be used any more, and the auxiliary pipe 2 can be peeled off and pulled out.

Claims

1. The utility model provides a novel trachea cannula, trachea cannula is including being responsible for and alternateing the seal wire in being responsible for, be responsible for including being responsible for the body, setting is in be responsible for the main tube head of body front end, setting are in the balloon of being responsible for of main tube head rear portion, with be responsible for the balloon be connected be responsible for the gas tube and be responsible for the inflation interface and set up again be responsible for the interface of being responsible for the body rear end, its characterized in that: the front end of the guide wire stretches out the main pipe head, the front end of the guide wire stretches out the length of the main pipe head is adjustable, the tracheal intubation further comprises an auxiliary pipe, the auxiliary pipe comprises an auxiliary pipe body, an auxiliary pipe plug arranged at the front end of the auxiliary pipe body, an auxiliary pipe balloon arranged at the rear part of the auxiliary pipe plug, an auxiliary pipe inflation pipe connected with the auxiliary pipe balloon and an auxiliary pipe inflation interface, the front part of the auxiliary pipe plug is not provided with a forming opening, the auxiliary pipe is sleeved at the front end of the guide wire through the auxiliary pipe plug and the auxiliary pipe body, the auxiliary pipe plug and the main pipe head are arranged front and back, and the auxiliary pipe and the main pipe work independently.

2. A novel endotracheal tube according to claim 1, wherein: the main pipe interface can be connected with a tee joint, and the tee joint is also connected with an endoscope joint and a multifunctional adapter.

3. A novel endotracheal tube according to claim 1, wherein: the auxiliary tube further comprises an attraction cavity head, an attraction cavity tube body connected with the attraction cavity head and an attraction cavity interface connected with the attraction cavity tube body, and the attraction cavity head, the attraction cavity tube body and the attraction cavity interface are independent of the auxiliary tube saccule, the auxiliary tube inflation pipeline and the auxiliary tube inflation interface.

4. A novel endotracheal tube according to claim 3, wherein: the suction cavity tube body and the auxiliary tube inflation tube are formed in an auxiliary tube connecting tube which is respectively connected with the suction cavity head and the auxiliary tube saccule, and the suction cavity tube body and the auxiliary tube inflation tube form an independent channel in the auxiliary tube connecting tube.

5. A novel endotracheal tube according to claim 1, wherein: a plurality of bulges are formed on the inner wall of the auxiliary pipe body, and the bulges enable the main pipe body to be tightly connected with the guide wire.

6. A novel endotracheal tube according to claim 1, wherein: the two main tube balloons can be arranged, and the two main tube balloons respectively correspond to the two groups of main tube inflation tubes and the main tube inflation interfaces.

7. A novel endotracheal tube according to claim 1, wherein: the outer layer of the main pipe saccule is made of TPU material.

8. A novel endotracheal tube according to claim 1, wherein: the front end of the guide wire extends out of the main tube head to reach between the tail end of the esophagus and the tracheae of the human body.

9. A novel endotracheal tube according to claim 1, wherein: the length of the auxiliary pipe body is smaller than the length of the front end of the guide wire extending out of the main pipe head.