CN211272964U

CN211272964U - Medical built-in air duct device

Info

Publication number: CN211272964U
Application number: CN201922251770.4U
Authority: CN
Inventors: 吴斯炯; 范东升; 李晶晶; 朱良虎
Original assignee: Wuxi Sanjie Medical Technology Co ltd
Current assignee: Wuxi Sanjie Medical Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-18
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a medical built-in air duct device, including the gas cell, gas tube and breathing pipeline, the edge round of gas cell is equipped with inflatable airtight cavity, the intermediate part of gas cell is hollow structure in order to form the open end of ventilating, inflatable airtight cavity is equipped with the gas injection mouth, the gas tube is connected to the gas injection mouth, the gas tube is connected with the inflation valve, the gas tube forms inflation channel with inflatable airtight cavity, the gas cell after the inflation can support the pear form nest in the patient oral cavity, and patient's epiglottis is located the open end of ventilating, the open end of ventilating is linked together with breathing pipeline and forms breathing channel. The utility model provides a medical built-in air duct device simple structure can be to the big condition of patient's difficult intubate or conventional intubate degree of difficulty, and the artifical respiration passageway is established fast to the help patient, and the operation is simple and easy, and the leakproofness is good, is difficult for shifting, and the artifical respiration passageway is established to the help patient that can be safe effective stable.

Description

Medical built-in air duct device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically relates to a medical built-in air duct device.

Background

In clinical medicine, the condition of assisting breathing of a patient who performs general anesthesia operation is often met, and the condition that the breathing intubation of the patient is difficult or difficult is also met, so that the auxiliary breathing of quickly establishing an artificial breathing channel is particularly important.

At present, two main breathing auxiliary modes are provided, one mode is a tracheal catheter ventilation device, a tracheal tube with an inflatable balloon extends into the throat from the oral cavity, the inflatable balloon is inflated to form tracheal seal, and then positive pressure is applied to the trachea to inflate the lung. Another auxiliary breathing mode is a laryngeal mask airway device, which consists of an airway tube and an airway mask, wherein one end of the airway tube is connected with a breathing machine, the other end of the airway tube is connected with the airway mask, and after the airway mask is placed in the throat and inflated, positive pressure is applied to the lung through the airway tube to maintain breathing. The two breathing assisting modes have the main defects that the tracheal catheter ventilation device is difficult to smoothly insert into a tracheal pipeline, and the tracheal catheter is easy to shift or even fall off; although the laryngeal mask airway device is not easy to cause the situation that the breathing is blocked due to the shift and the falling of the tracheal catheter, the laryngeal mask airway device is inserted in the deep part, is inconvenient to observe, is easy to cause the mucosa injury of a patient, and is inconvenient to operate and long in time consumption.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a medical built-in air passage device which is simple and convenient to operate and not easy to shift, which can safely, effectively and stably help patients to establish an artificial respiration channel.

According to an aspect of the utility model, a medical built-in air channel device is provided, it includes the gas cell, gas tube and breathing pipeline, the edge round of gas cell is equipped with inflatable airtight cavity, the intermediate part of gas cell is hollow structure in order to form the open end of ventilating, inflatable airtight cavity is equipped with the gas injection mouth, the gas tube is connected to the gas injection mouth, the gas tube is connected with the inflation valve, the gas tube forms the inflation channel with inflatable airtight cavity, the gas cell after the inflation can support the pear form nest in the patient oral cavity, and patient's epiglottis is located the open end of ventilating, the open end of ventilating is linked together with breathing. Therefore, the cylinder opening of the injection cylinder is inserted into the inlet end of the inflation valve, and residual gas in the inflatable closed cavity of the inflation bag is pumped outwards to make the inflatable closed cavity in a contracted state and keep flat; an operator holds the tube body part of the breathing passage with the ventilation opening end of the air inflation bag facing upwards, starts to extend into the oral cavity of the patient from the far end of the air inflation bag, clings to the root of the tongue of the patient and pushes forwards to the deep part of the oral cavity, and stops operation when feeling resistance; at the moment, the injection needle cylinder is used for inflating the inflatable bag through the inflation tube, the inflated inflatable bag can prop against a pear-shaped nest in the oral cavity of the patient to prevent the respiratory passage from shifting and falling off, and the epiglottis of the patient is positioned in the port of the middle part of the inflatable bag; the breathing machine is connected to the other end of the breathing pipeline, and oxygen enters the breathing pipeline, so that an artificial breathing channel can be effectively established; the operation is very simple and short in time consumption, the device is arranged at a shallower position than the laryngeal mask airway device, the operation is easier, the mucosa of a patient is not easy to be damaged, the device is not easy to shift after being placed in place, and the safety is improved.

In some embodiments, an indicating air bag is arranged between the inflation tube and the inflation valve, and the shape of the inflation bag is pear-shaped. Therefore, the inflation state of the inflatable bag is judged by indicating the saturation degree of the airbag, the inflatable bag is ensured to be inflated in place, and the sealing performance is improved.

In some embodiments, the breathing pipeline comprises a pipe joint, a connecting pipe, a breather pipe and a base body which are communicated in sequence, wherein the pipe joint, the connecting pipe, the breather pipe and the base body are all hollow structures, and the base body is connected with the edge of the inflatable bag to form a breathing passage from the pipe joint to the ventilating opening end of the inflatable bag.

In some embodiments, the vent pipe is a curved pipe with a radian, the outer diameters of two ports of the vent pipe are smaller than the outer diameter of the middle part of the vent pipe to form a reducing structure, two ports of the vent pipe are provided with notch joints, the port of the base body connected with the vent pipe is a circular port, the upper part of the circular port is provided with a first radian extension joint which protrudes, the port of the connecting pipe connected with the vent pipe is provided with a second radian extension joint which protrudes, the two ports of the vent pipe are respectively inserted into the base body and the connecting pipe, and the notch joints are in butt joint matching with the first radian extension joint and the second radian extension joint. From this, the both ends of breather pipe are passed through the notch and are connected and connect butt joint cooperation with first, second radian extension, conveniently confirm the installation direction, also can further guarantee the stability of junction.

In some embodiments, the connection tube has a flat cylindrical shape, and the end of the connection tube connected to the tube joint has an elliptical shape. Therefore, the connecting pipe in the flat cylindrical shape is convenient for an operator to hold, and the oval port is used as a connecting port to prevent the components from rotating.

In some embodiments, the caliber of the proximal end port of the pipe joint is slightly smaller than that of the distal end port to form a reducing structure, a limiting ring is sleeved on the pipe joint, and a pair of clamping grooves are formed in the upper portion of the limiting ring. From this, the reducing structure of coupling can be convenient for be connected with the breathing machine, and the draw-in groove on the spacing collar can be used for fixed gas tube.

In some embodiments, the centerline of the base forms an angle of 80 to 110 degrees with the centerline of the connecting tube. Therefore, the angle is very suitable for the oral cavity of a patient, and the comfort of the patient is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a medical built-in air duct device simple structure can be to the big condition of patient's difficult intubate or conventional intubate degree of difficulty, and the artifical respiration passageway is established fast to the help patient, and the operation is simple and easy, and the leakproofness is good, is difficult for shifting, and the artifical respiration passageway is established to the help patient that can be safe effective stable.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a medical internal airway device of the present invention;

FIG. 2 is a schematic view showing the connection of the air bag with the tube joint 4, the connection tube 5, the air tube 6 and the base body 7;

FIG. 3 is a schematic structural view of a pipe joint;

FIG. 4 is a schematic view of the structure of the connection pipe;

FIG. 5 is a schematic view of a vent tube;

FIG. 6 is a schematic view of the structure of a substrate

FIG. 7 is a schematic view of the structure of the connection of the vent pipe and the base

FIG. 8 is a schematic view of the structure of the base and the inflatable bag

FIG. 9 is a schematic view of the structure of the air-filled bag

Fig. 10 is a schematic path diagram of the inflation channel and the breathing channel.

Detailed Description

The present invention will be further described with reference to the following embodiments.

Referring to fig. 1, 2 and 10, a medical internal airway device according to an embodiment of the present invention includes a balloon 8, a gas tube 3 and a breathing tube 80. As shown in fig. 9, the air-filled bag 8 is pear-shaped, an air-filled airtight chamber 81 is arranged around the edge of the air-filled bag 8, and the middle part of the air-filled bag 8 is hollow to form an air-filled open end 82. The inflatable sealed cavity 81 is provided with an air injection port 83, and the air injection port 83 is connected with the inflation tube 3. The inflation tube 3 is connected with an inflation valve 1, the inflation valve 1 is of a one-way valve structure, and the inflation operation of the inflatable bag 8 can be performed by inserting the cylinder opening of the cylinder into the inlet of the inflation valve 1. An indicating air bag 2 is arranged between the inflation tube 3 and the inflation valve 1, the indicating air bag 2, the inflation tube 3 and the inflatable closed cavity 81 form an inflation channel 10. The inflated airbag 8 can prop against the pear-shaped fossa in the oral cavity of the patient, the epiglottis of the patient is positioned at the ventilation open end 82, and the ventilation open end 82 is communicated with the breathing pipeline 80 to form the breathing channel 20.

The breathing pipeline 80 comprises a pipe joint 4, a connecting pipe 5, a breathing pipe 6 and a base body 7 which are sequentially communicated, wherein the pipe joint 4, the connecting pipe 5, the breathing pipe 6 and the base body 7 are all of hollow structures, and the base body 7 is fixedly connected with the edge of the inflatable bag 8 through an adhesive (as shown in fig. 8) to form a breathing passage 20 from the pipe joint 4 to a ventilation opening end 82 of the inflatable bag 8. The components of the breathing conduit 80 are proximal on the side near the operator and distal on the side near the patient.

As shown in fig. 5, the vent pipe 6 is a curved pipe, and the two ports of the vent pipe 6 have the same structure. The outer diameters of the two ports of the breather pipe 6 are smaller than the outer diameter of the middle part of the breather pipe to form a reducing structure, and the two ports of the breather pipe 6 are provided with notch joints 61. As shown in fig. 6 and 7, the port of the base body 7 connected to the breather pipe 6 is a circular port 72, and the upper portion of the circular port 72 is provided with a first arc extension joint 71 that protrudes. As shown in fig. 4, the port of the connection pipe 5 connected to the breather pipe 6 is provided with a second arc extension joint 51 that protrudes. The first arc extension joint 71 is identical in structure to the second arc extension joint 51. The external diameter of the two ports of the vent pipe 6 is slightly smaller than the internal diameter of the port of the joint of the base body 7 and the connecting pipe 5, the two ports of the vent pipe 6 are respectively inserted into the base body 7 and the connecting pipe 5, the notch joint 61 is in butt joint fit with the first radian extension joint and the second radian extension joint (71 and 51), the installation direction is convenient to confirm by gluing and fixing connection, and the stability of the joint can be further ensured.

As shown in fig. 4, the connection tube 5 has a flat cylindrical shape, and the port of the connection tube 5 connected to the pipe joint 4 is an elliptical shape, and the port is the distal end port 42 of the pipe joint 4. The flat cylindrical connecting tube 5 is easy to hold by the operator, and the oval port serves as a connection port to prevent the rotation of the components. As shown in fig. 3, the diameter of the proximal port 41 of the pipe joint 4 is slightly smaller than the diameter of the distal port 42 to form a diameter-variable structure, and the distal port 42 of the pipe joint 4 is overlapped with the proximal port of the vent pipe 6 when inserted into the connecting pipe 5, so as to ensure the firmness of the insertion. The pipe joint 4 is sleeved with a limiting ring 9, and the limiting ring 9 is provided with a pair of clamping grooves 91. The reducing structure of the near-end port of the pipe joint 4 can be conveniently connected with a breathing machine, and the clamping groove 91 on the limiting ring 9 can be used for fixing the inflation pipe 3.

The included angle A formed by the central line of the base body 7 and the connecting section of the inflatable bag 8 and the central line of the connecting pipe 5 is 80-110 degrees. The angle is very suitable for the oral cavity of a patient, and the comfort level of the patient is improved.

In this embodiment, the air bag 8, the base body 7 and the vent pipe 6 are all integrally formed by polyvinyl chloride material, and the connecting pipe 5 is integrally formed by ABS material.

The utility model discloses a concrete operation mode: inserting the opening of the syringe into the inlet end of the inflation valve 1, and pumping out the residual gas in the inflatable closed cavity 81 of the inflation bag 8 outwards to make the residual gas in a contracted state and keep the residual gas flat; an operator holds the tube body part of the breathing passage 20, namely holds the section of the connecting tube 5 and the vent tube 6, the vent opening end 82 of the air inflation bag 8 is upward, the far end of the air inflation bag 8 starts to extend into the oral cavity of a patient, clings to the root of the tongue of the patient and pushes forwards to the deep part of the oral cavity, and the operation is stopped when the operator feels resistance; at the moment, the injection needle cylinder is used for inflating the inflatable bag 8 through the inflation tube 3, the inflation state of the inflatable bag 8 is judged by indicating the saturation degree of the inflation of the air bag 2, the inflated inflatable bag 8 can prop against a pear-shaped nest in the oral cavity of the patient to prevent the breathing channel 20 from shifting and falling off, and the epiglottis of the patient is positioned in a port of the middle part of the inflatable bag 8; the breathing machine is connected to the other end of the breathing pipeline 80 (i.e. the proximal end port 41 of the pipe joint 4), and oxygen enters the connecting pipe 5, the ventilation pipe 6, the base body 7 and the ventilation opening end 82 of the inflatable bag 8 from the pipe joint 4 in sequence, so that the artificial breathing passage 20 can be effectively established. The operation is very simple and short in time consumption, the device is arranged at a shallower position than the laryngeal mask ventilating device, the operation is easier, the mucosa of a patient is not easy to be damaged, whether the inflatable bag 8 is inflated in place or not is judged by indicating the saturation degree of the air bag 2, the inflatable bag 8 is not easy to shift after being placed in place, the sealing performance is good, and the safety is improved.

The utility model provides a medical built-in air duct device simple structure can be to the big condition of patient's difficult intubate or conventional intubate degree of difficulty, and the help patient establishes artificial respiration passageway 20 fast, and the operation is simple and easy, and the leakproofness is good, is difficult for shifting, and artificial respiration passageway 20 is established to the help patient that can be safe effective stable.

The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.

Claims

1. A medical built-in air duct device is characterized by comprising an inflatable bag (8), an inflatable tube (3) and a breathing pipeline (80), an inflatable closed cavity (81) is arranged around the edge of the inflatable bag (8), the middle part of the inflatable bag (8) is of a hollow structure to form a ventilation opening end (82), the inflatable closed cavity (81) is provided with an air injection port (83), the air injection port (83) is connected with an inflation tube (3), the inflation tube (3) is connected with an inflation valve (1), the inflation tube (3) and the inflatable closed cavity (81) form an inflation channel (10), the inflated inflation bag (8) can prop against a pear-shaped nest in the oral cavity of a patient, and the patient's epiglottis is located at the open airway end (82), the open airway end (82) communicating with the breathing conduit (80) to form the breathing passage (20).

2. The medical built-in airway device according to claim 1, characterized in that an indicating air bag (2) is arranged between the inflation tube (3) and the inflation valve (1), and the shape of the inflation air bag (8) is pear-shaped.

3. The medical built-in airway device according to claim 1 or 2, wherein the breathing tube (80) comprises a tube joint (4), a connecting tube (5), a breathing tube (6) and a base body (7) which are sequentially communicated, the tube joint (4), the connecting tube (5), the breathing tube (6) and the base body (7) are all hollow structures, the base body (7) is connected with the edge of the inflatable bag (8) to form a breathing channel (20) from the tube joint (4) to the ventilation opening end (82) of the inflatable bag (8).

4. The medical built-in airway device according to claim 3, wherein the vent tube (6) is a curved tube, the outer diameter of the two ends of the vent tube (6) is smaller than the outer diameter of the middle part of the vent tube to form a diameter-variable structure, the two ends of the vent tube (6) are provided with notch joints (61), the end of the base body (7) connected with the vent tube (6) is a circular end, the upper part of the circular end is provided with a first convex arc extension joint (71), the end of the connecting tube (5) connected with the vent tube (6) is provided with a second convex arc extension joint (51), the two ends of the vent tube (6) are respectively inserted into the base body (7) and the connecting tube (5), and the notch joints (61) are butt-jointed and matched with the first and second arc extension joints.

5. The medical internal airway device according to claim 4, characterized in that the connecting tube (5) is flat cylindrical in shape and the port of the connecting tube (5) connected to the tube connector (4) is oval.

6. The medical built-in airway device as claimed in claim 5, wherein the caliber of the near end port of the pipe joint (4) is slightly smaller than the caliber of the far end port to form a reducing structure, the pipe joint (4) is sleeved with a spacing ring (9), and the upper part of the spacing ring (9) is provided with a pair of slots (91).

7. The medical internal airway device according to claim 6, characterized in that the angle (A) formed by the center line of the base body (7) and the center line of the connecting tube (5) is 80 to 110 degrees.