CN212067392U

CN212067392U - Endotracheal tube with adjustable internal diameter

Info

Publication number: CN212067392U
Application number: CN201921644622.2U
Authority: CN
Inventors: 何俊峰; 高宏; 田鸣
Original assignee: Wuxi Shengnuoya Technology Co Ltd
Current assignee: Wuxi Shengnuoya Technology Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-12-04
Anticipated expiration: 2029-09-29

Abstract

The utility model belongs to medical instrument equipment field especially relates to a endotracheal tube with adjustable internal diameter, insert end and body including the patient, the patient inserts the end and splices fixedly in proper order by a plurality of pipe pieces and gasbag and forms, and through right the gasbag is aerifyd or is bled and adjust the patient inserts the size of end internal diameter. Therefore, the tracheal catheter with the adjustable inner diameter is adopted, the inner diameter of the insertion end of the patient in the tracheal catheter can be adjusted according to the condition of the patient, the time for selecting the model of the tracheal catheter by medical personnel is greatly shortened, the difficulty of intubation is reduced, and the supply of oxygen and the smooth removal of airway secretions are guaranteed.

Description

Endotracheal tube with adjustable internal diameter

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a endotracheal tube with adjustable internal diameter.

Background

The trachea cannula is a technology for placing a special endotracheal tube into a trachea through a glottis, and is an important technology for ensuring smooth air passage of a patient, effectively ventilating and supplying oxygen and avoiding aspiration in emergency treatment and general anesthesia. At present, most of medical care personnel select the type of the tracheal catheter according to the age, so that the rescue time is easily consumed, the glottis or the trachea of each patient are different, and the inner diameter of the tracheal catheter cannot be adjusted according to the condition of the patient in the clinical operation. Meanwhile, the too thin tracheal catheter can not ensure the oxygen supply and the clearing of airway secretions, and the too thick tracheal catheter easily causes the injury of glottis and tracheal mucosa and the difficulty in passing through narrow parts, thereby bringing great challenge to medical personnel and great pain to patients.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an inner diameter adjustable tracheal catheter, which can adjust the inner diameter of the insertion end of a patient in the tracheal catheter according to the condition of the patient, thereby greatly shortening the time for medical personnel to select the type of the tracheal catheter; meanwhile, the difficulty of intubation is reduced, and the supply of oxygen and the smooth removal of airway secretions are ensured. The method is realized by the following technical scheme:

the utility model provides an endotracheal tube with adjustable internal diameter, includes that the patient inserts end and body, the patient inserts the end and is spliced fixedly in proper order by a plurality of pipe pieces and gasbag and form, aerifys or bleeds through the gasbag and adjust the size that the internal diameter was inserted to the patient.

Further, the number of the duct pieces and the number of the air bags are 3-6.

Furthermore, the duct piece is hollow, and a circulation port is arranged between the duct piece and the air bag.

Further, the tube body is sleeved with a cuff on the outer portion close to the patient insertion end.

Further, the pipe body comprises a pipeline and a pipe wall, and the pipe wall is hollow.

Further, the air bag is connected with an inflation tube, and the inflation tube penetrates through the hollow part of the tube wall.

Compared with the prior art, the technical scheme has the following beneficial effects:

(1) the technical scheme adopts the tracheal catheter with the adjustable inner diameter, the air bag can be pumped or inflated according to the condition of a patient to change the inner diameter of the insertion end of the patient, the time for medical personnel to select the model of the tracheal catheter is greatly shortened, and the tracheal catheter can be more easily pushed into the narrow part of the airway when the air bag is pumped, so that the difficulty of intubation is reduced, and the supply of oxygen and the smooth removal of airway secretions can be ensured when the air bag is deflated;

(2) the duct piece of the technical scheme is hollow, and a flow port is arranged between the duct piece and the air bag, so that firstly, the air pressure between the duct piece and the air bag can be kept consistent when the air is inflated or exhausted, and the pipe diameter is uniformly reduced or enlarged; and secondly, when a plurality of duct pieces are connected with a plurality of air bags, the inflation tube can be connected at one air bag, so that the best effect can be achieved at the lowest cost.

Drawings

Fig. 1 is a schematic structural view of an inner diameter adjustable endotracheal tube of the present invention;

FIG. 2 is a diagram illustrating the air-extracting state of the air bag in the endotracheal tube with adjustable inner diameter;

FIG. 3 is a diagram illustrating the state of the air bag inflated in the endotracheal tube with adjustable inner diameter;

FIG. 4 is a schematic diagram of a patient insertion end of an adjustable inner diameter endotracheal tube of the present invention;

fig. 5 is a sectional view of the endotracheal tube with an adjustable inner diameter according to the present invention.

Reference numerals in the drawings of the specification include: 100-a patient insertion end; 110-a duct piece; 120-air bag; 200-a tube body; 210-a cuff; 220-a pipeline; 230-tube wall; 300-inflation tube.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention is explained in further detail below with reference to specific embodiments:

as shown in fig. 1-4, an inner diameter adjustable endotracheal tube comprises a patient insertion end 100 and a tube body 200, wherein the patient insertion end 100 is formed by sequentially splicing and fixing a plurality of tube guiding pieces 110 and air bags 120, wherein the patient insertion end 100 is one end which enters the oral cavity or the nostrils of a patient, and preferably, a lantern ring can be sleeved outside the patient insertion end 100 for fixing. The duct piece 110 and the air bag 120 are made of elastic materials, so that the inner diameter of the patient insertion end 100 can be adjusted by inflating or evacuating the air bag 120, medical staff can adjust the inner diameter according to the specific condition of a patient, the time for judging and selecting the type of the tracheal catheter is shortened, mass and large-scale production can be realized, and the overall manufacturing cost is reduced.

In this embodiment, the duct piece 110 is hollow, and a flow opening is provided between the duct piece 110 and the air bag 120, which helps to keep the air flow and the air pressure between the duct piece 110 and the air bag 120 consistent during inflation or air suction, and the pipe diameter is uniformly reduced or increased. The number of the duct piece 110 and the number of the air bags 120 can be 3-6, and the number of the air bags 120 can be adjusted according to the size of the duct.

As shown in FIG. 5, a cross-sectional view of an inner diameter-adjustable endotracheal tube, a cuff 210 is sleeved on the outside of a tube body 200 near an insertion end 100 of a patient, and further includes a tube 220 and a tube wall 230, wherein the tube wall 230 is hollow, a hollow portion thereof is penetrated by an inflation tube 300, and one end of the inflation tube 300 is connected with a balloon 120, and the other end thereof is provided with a port to be connected with related equipment, thereby evacuating or inflating the balloon 120. Preferably, a communication port is provided between the duct piece 110 and the balloon 120, so that only one inflation tube 300 can be connected to inflate the balloon, thereby achieving the best effect at the lowest cost.

In summary, as shown in fig. 1, the inner diameter of the patient insertion end 100 of the endotracheal tube is in a normal state; as shown in fig. 2, in a state that the inner diameter of the patient insertion end 100 of the endotracheal tube is reduced, when the endotracheal tube is inserted into or taken out of a trachea, the gas in the air sac 120 is pumped out through the inflating tube 300, and the inner diameter of the patient insertion end 100 is reduced along with the air sac 120, so that the endotracheal tube can be more easily pushed into a narrow part of an airway, thereby reducing the difficulty of intubation; as shown in FIG. 3, in the state that the inner diameter of the patient insertion end 100 of the endotracheal tube is enlarged, when the endotracheal tube is positioned in the trachea, the balloon 120 is inflated by the inflation tube 300, and the inner diameter of the patient insertion end 100 is enlarged along with the balloon 120, so that the supply of oxygen and the smooth removal of airway secretions can be ensured.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an endotracheal tube with adjustable internal diameter, includes that the patient inserts end (100) and body (200), its characterized in that, patient inserts end (100) and splices fixedly in proper order by a plurality of pipe pieces (110) and gasbag (120) and forms, through to gasbag (120) aerify or bleed and adjust the size that the internal diameter was inserted to the patient inserted end (100).

2. An inner diameter adjustable endotracheal tube according to claim 1, characterized in that the number of the duct pieces (110) and the air cells (120) is 3 to 6.

3. An adjustable inner diameter endotracheal tube according to claim 1, characterized in that the tube sheet (110) is hollow and has a communication opening with the balloon (120).

4. An adjustable inner diameter endotracheal tube according to claim 1, characterized in that the tube body (200) is externally sleeved with a cuff (210) near the patient insertion end (100).

5. An inner diameter adjustable endotracheal tube according to claim 1, characterized in that the tube body (200) comprises a duct (220) and a tube wall (230), the tube wall (230) being hollow.

6. An inner diameter adjustable endotracheal tube according to claim 5, characterized in that an inflation tube (300) is connected to the balloon (120), and the inflation tube (300) passes through the hollow portion of the tube wall (230).