CN209916990U - Multifunctional bypass endotracheal tube - Google Patents

Abstract

The utility model relates to the technical field of nursing products, in particular to a multifunctional bypass type tracheal catheter, comprising a tracheal catheter body, a side wall of the bottom end of the tracheal catheter body is provided with a pipe wall air hole, and the outer side wall of the lower end of the tracheal catheter body is sleeved There is a balloon, and an airway and a bypass tube are arranged in the tracheal tube body. In the utility model, an airway and a bypass pipe are arranged in the traditional tracheal catheter, and the connection port at the outer end of the bypass pipe can be adapted to the ETCO2 monitoring equipment and the syringe nipple, and the catheter and the thinner pipe open on the pipe wall at the front end of the catheter can be adapted to the utility model. It reduces the error of ETCO2 detection, and can also be used for intratracheal administration through this tube, reducing the waste of drugs when administering via the distal end of the trachea. The method of cleaning the trachea, bronchi and lungs is simple, thorough and convenient to use, which not only improves the efficiency of nursing work, but also reduces the pain of patients and improves the patient's sense of use.

Description

Multifunctional bypass endotracheal tube

technical field

The utility model relates to the technical field of nursing products, in particular to a multifunctional bypass type tracheal catheter.

Background technique

Tracheal intubation refers to the technique of inserting a special endotracheal tube into the trachea through the glottis, which is called tracheal intubation. . Endotracheal intubation can provide the basic conditions for many other nursing operations, such as ETCO2 air pressure detection, intratube administration, etc.

However, most of the tracheal catheters in the prior art are single-tube type, and the orifice at the bottom end is large, which is prone to large errors when performing ETCO pressure detection, especially for low-weight infants; During drug operation, the inner wall area of the catheter is larger than that of the thicker tube, and most of the drugs will stay in the catheter, which not only causes waste, but also greatly reduces the effect of drug administration; The catheter needs to be pulled out, which will bring more pain to the patient and reduce the patient's sense of use. In view of this, we propose a multifunctional bypass tracheal tube.

Utility model content

The purpose of the utility model is to provide a multifunctional bypass type tracheal catheter to solve the problems of large error, poor drug delivery effect and inconvenient cleaning in the existing tracheal catheter proposed in the above-mentioned background art when performing ETCO2 pressure detection.

To achieve the above object, the utility model provides the following technical solutions:

A multifunctional bypass type tracheal catheter, including a tracheal catheter body, a side wall of the bottom end of the tracheal catheter body is provided with a pipe wall air hole, and a balloon is sleeved on the outer side wall of the lower end of the tracheal catheter body. The body is provided with an airway, the bottom end of the airway is provided with a cuff air injection port, the top end of the airway is provided with an air injection port, the upper end outer wall of the airway is sleeved with an indicator bag, and the tracheal tube is provided with an indicator bag. The body is also provided with a bypass pipe, the bottom end of the bypass pipe is provided with a ventilation port in the catheter, the top end of the bypass pipe is provided with a connection port, and the top end of the tracheal catheter body is provided with a pipe joint.

Preferably, the outer wall of the tracheal tube body is provided with a scale, and the scale is stamped on the outer wall of the tracheal tube body by hot-melting.

Preferably, the top end of the air passage is provided with a check valve, and the check valve is fixedly clamped in the gas injection port.

Preferably, the bottom end of the tracheal tube body is closed, and the bottom end of the tracheal tube body is in the shape of a smooth curved surface.

Preferably, the balloon is fixed on the outer side wall of the tracheal tube body by hot-melt adhesion.

Preferably, the air passage is fixed on the inner side wall of the tracheal tube body by hot-melt adhesion, and the bottom end of the air passage passes through the side wall of the tracheal tube body and is communicated into the air bag, and the air bag is connected to the air bag. The top end of the air passage extends out of the tube after passing through the side wall of the tracheal tube body, and the indicator bag and the air passage are integrally formed.

Preferably, the bypass tube is fixed on the inner side wall of the tracheal tube body by hot-melt adhesion, and the top end of the bypass tube extends out of the tube after passing through the side wall of the tracheal tube body.

Preferably, the outer diameter of the air passage is less than half of the inner diameter of the tracheal tube body, and the outer diameter of the bypass tube is less than half of the inner diameter of the tracheal tube body.

Preferably, the catheter joint is fixedly clamped in the top end of the tracheal catheter body.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the present utility model arranges an airway and a bypass tube in a traditional tracheal tube, and the connection port at the outer end of the bypass tube can be adapted to ETCO2 monitoring equipment and a syringe nipple. , through the catheter with the opening of the tube wall at the front end of the catheter and the thinner pipeline, the error of ETCO2 detection is reduced, and the waste of drugs during intra-tube administration is reduced, and the effect of intra-tube administration is improved. The tracheal tube is cleaned by using a negative pressure suction device to attract saline while injecting saline, which is simple, thorough, and easy to use.

Description of drawings

Fig. 1 is the external structure schematic diagram of the utility model multifunctional bypass type tracheal catheter;

Fig. 2 is the overall (including internal structure) structure schematic diagram of the present utility model;

Fig. 3 is the enlarged structural schematic diagram of the place A in Fig. 2 of the utility model;

Fig. 4 is the structural representation of the ventilation duct and the bypass pipe of the present invention;

5 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a third embodiment of the present invention.

In the figure: 1. Tracheal tube body; 11. Air hole in the tube wall; 12. Airbag; 13. Scale; 2. Airway; 21. Cuff air injection port; 22. Air injection port; Valve; 3. Bypass pipe; 31. Ventilation port in conduit; 32. Connection port; 4. Conduit joint.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on those shown in the accompanying drawings. The orientation or positional relationship is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the present utility model. limits.

Example 1

The multifunctional bypass type tracheal catheter, as shown in Figures 1-4, includes a tracheal catheter body 1, a side wall of the bottom end of the tracheal catheter body 1 is provided with a pipe wall air hole 11, and the outer side wall of the lower end of the tracheal catheter body 1 is sleeved An airbag 12 is provided, an airway 2 is provided in the tracheal tube body 1, a cuff gas injection port 21 is provided at the bottom end of the airway 2, a gas injection port 22 is provided at the top of the airway 2, and the outer side wall of the upper end of the airway 2 is sleeved There is an indicator bag 23, a bypass tube 3 is also provided in the tracheal tube body 1, the bottom end of the bypass tube 3 is provided with a ventilation port 31 in the catheter, the top end of the bypass tube 3 is provided with a connecting port 32, and the tracheal tube body 1 is provided with a connecting port 32. The top end is provided with a conduit joint 4 .

In this embodiment, the bottom end of the endotracheal tube body 1 is closed, and the bottom end of the endotracheal tube body 1 is in the shape of a smooth curved surface, so as to prevent the bottom end of the endotracheal tube body 1 from causing damage to the patient's oral cavity or pharyngeal tract.

Further, the balloon 12 is fixed on the outer wall of the endotracheal tube body 1 by hot-melt adhesion, so that the structure of the balloon 12 is strong and sealed, and it is convenient to inflate the balloon 12 so that the endotracheal tube body 1 can be stuck in the pharynx of the patient.

In this embodiment, the air passage 2 is fixed on the inner side wall of the tracheal tube body 1 by hot-melt adhesion, and the bottom end of the air passage 2 passes through the side wall of the tracheal tube body 1 and is connected to the air bag 12, and the cuff gas injection port The outer side wall of 21 and the side wall of the tracheal tube body 1 are melted into one body to prevent air leakage of the airbag 12 .

Further, the top of the air passage 2 extends out of the tube after passing through the side wall of the tracheal tube body 1, and the outer side wall of the upper end of the air tube 2 and the side wall of the tracheal tube body 1 are sealed by hot melt to avoid the tracheal tube body 1. Air leak occurs.

Further, the indicator bag 23 and the air passage 2 are integrally formed, so that the indicator bag 23 has a strong and sealed structure. When in use, the air bag 12 is inflated from the air injection port 22 through the air passage 2 and the cuff air injection port 31, and taken out after inflation. Seal the air injection port 22 with a rubber stopper or hemostatic forceps, and judge whether there is sufficient air in the air bag 12 by gently pinching the indicating bag 23 during use; It is relatively full. If the indicator bag 23 is soft when gently squeezed, it means that there is less air in the air bag 12 and needs to be replenished in time to prevent the tracheal tube body 1 from falling off the tube.

In this embodiment, the bypass tube 3 is fixed on the inner side wall of the tracheal tube body 1 by hot-melt adhesion. The outer side wall of the tracheal tube and the side wall of the tracheal tube body 1 are sealed by hot melt to avoid air leakage of the tracheal tube body 1 .

Further, the caliber of the connection port 32 is matched with the interface of the ETCO2 monitoring device, which is convenient to directly detect the partial pressure of carbon dioxide at the end of the exhalation of the patient's exhaled gas; at the same time, the caliber of the connection port 32 can also be matched with the nipple of the syringe, which is easy to pass through. Syringe for tracheal administration or tracheal washing.

In this embodiment, the outer diameter of the air passage 2 is less than half of the inner diameter of the tracheal tube body 1, and the outer diameter of the bypass tube 3 is less than half of the inner diameter of the tracheal tube body 1, so that the air passage 2 and the bypass tube 3 are parallel to each other and Do not interfere with each other, avoid the air passage 2 and the bypass tube 3 from squeezing each other, and avoid blocking the tracheal tube body 1 at the same time.

In this embodiment, the catheter connector 4 is fixedly clamped in the top end of the tracheal catheter body 1 , and the tracheal catheter body 1 can be connected to various nursing instruments through the catheter connector 4 .

Specifically, the tracheal tube body 1, the air bag 12, the airway 2 and the bypass tube 3 are all made of high-quality medical grade silicone rubber, which is soft and elastic, wear-resistant and durable, especially the air bag 12 and the indicator bag 23 have good performance. performance.

Example 2

As the second embodiment of the present invention, in order to prevent the airbag 12 from contracting due to air leakage in the airway 2 and thus cause the phenomenon of de-tube, the inventors made the following improvements to the airway 2 on the basis of Embodiment 1. As a kind of In a preferred embodiment, as shown in FIG. 5 , the top end of the air passage 2 is provided with a check valve 24 .

In this embodiment, the check valve 24 is fixedly clamped in the gas injection port 22 , and the connection is sealed by hot melt to prevent the gas injection port 22 from leaking.

Specifically, the check valve 24 involved in this embodiment adopts a medical Luer one-way valve of model ZCRH-1 produced and provided by Xianyang Zhongchao Plastic Technology Co., Ltd. In addition, the check valve 24 is in the prior art, which can be realized by those skilled in the art. It is needless to say that the protection content of the present invention does not involve the improvement of the structure and working principle of the check valve 24 .

Example 3

As the second embodiment of the present invention, in order to facilitate the real-time judgment of the distance of the catheter into the patient's oral cavity during operation, and to avoid the pain caused by too much penetration to the patient, the inventor of the present invention, on the basis of The following improvements are made. As a preferred embodiment, as shown in FIG. 6 , a scale 13 is provided on the outer side wall of the tracheal tube body 1 .

In this embodiment, the scale 13 is stamped on the outer side wall of the tracheal tube body 1 by hot-melting, which saves the trouble of printing ink and waste of resources, and avoids the adverse effects of ink on the health of patients.

When the multifunctional bypass type tracheal catheter of the present invention is used, first select a suitable tracheal catheter body 1 according to the use requirements of the patient, gently insert the tracheal catheter body 1 into the pharyngeal tract of the patient, and observe the scale of the scale while operating. Read the readings until the appropriate depth, then connect the inflation device (such as a syringe) to the check valve 24 to inflate the airbag 12, judge the amount of inflation by gently pinching the indicator bag 23, the airbag 12 is bulged and stuck in the pharynx of the patient, So that the tracheal tube body 1 does not slip; when it is necessary to perform end-tidal carbon dioxide partial pressure detection on the gas exhaled by the patient, connect the connection port 32 to the ETCO2 monitoring device; When the ETCO2 monitoring device is removed, connect the syringe with the medicinal liquid to the connection port 32, and slowly press the injection; when the tracheal tube body 1 needs to be cleaned, first insert the suction tube into In the catheter joint 4, but no negative pressure is given, and then inject 7% normal saline through the bypass tube 3, and give negative pressure suction while injecting the saline, so that the saline flows from the bottom to the top of the tracheal tube body 1 from the inner wall of the tube. , and thoroughly clean the catheter.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Under the premise of the spirit and scope, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A multifunctional bypass type tracheal catheter, comprising a tracheal catheter body (1), characterized in that: a side wall of the bottom end of the tracheal catheter body (1) is provided with a pipe wall air hole (11), and the tracheal catheter An air bag (12) is sleeved on the outer side wall of the lower end of the main body (1), an air passage (2) is arranged in the tracheal catheter body (1), and a cuff gas injection port is arranged at the bottom end of the air passage (2). (21), the top of the air passage (2) is provided with an air injection port (22), the outer side wall of the upper end of the air passage (2) is sleeved with an indicator bag (23), and the tracheal tube body (1) is A bypass pipe (3) is also provided, the bypass pipe (3) is fixed on the inner side wall of the tracheal tube body (1) by hot-melt adhesion, and the top end of the bypass pipe (3) passes through the The side wall of the tracheal tube body (1) extends to the outside of the tube, the outer diameter of the air passage (2) is less than half of the inner diameter of the tracheal tube body (1), and the outer diameter of the bypass tube (3) The diameter is less than half of the inner diameter of the tracheal catheter body (1), the bottom end of the bypass pipe (3) is provided with a ventilation port (31) in the catheter, and the top end of the bypass pipe (3) is provided with a connection port (32), the top end of the tracheal tube body (1) is provided with a conduit joint (4), and the conduit joint (4) is fixedly clamped in the top end of the tracheal tube body (1). 2. The multifunctional bypass type tracheal catheter according to claim 1, characterized in that: a scale (13) is provided on the outer side wall of the tracheal catheter body (1), and the scale (13) is heated by heat Melt embossing is printed on the outer side wall of the tracheal tube body (1). 3 . The multifunctional bypass tracheal catheter according to claim 1 , wherein a check valve ( 24 ) is provided at the top of the air passage ( 2 ), and the check valve ( 24 ) is fixedly clamped. 4 . in the gas injection port (22). 4 . The multifunctional bypass type tracheal catheter according to claim 1 , wherein the bottom end of the tracheal catheter body ( 1 ) is closed, and the bottom end of the tracheal catheter body ( 1 ) is in the shape of a smooth curved surface. 5 . 5 . The multifunctional bypass type tracheal tube according to claim 1 , wherein the balloon ( 12 ) is fixed on the outer side wall of the tracheal tube body ( 1 ) by hot-melt adhesion. 6 . 6 . The multifunctional bypass type tracheal tube according to claim 1 , wherein the air passage ( 2 ) is fixed on the inner wall of the tracheal tube body ( 1 ) by hot-melt adhesion, and the ventilation The bottom end of the passage (2) passes through the side wall of the tracheal tube body (1) and then communicates with the air bag (12), and the top end of the air passage (2) passes through the tracheal tube body (1) The side wall of the duct extends to the outside of the tube, and the indicator bag (23) and the air passage (2) are integrally formed.

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