CN214860261U

CN214860261U - Nasopharyngeal airway

Info

Publication number: CN214860261U
Application number: CN202120946554.6U
Authority: CN
Inventors: 孙兆霞
Original assignee: First Affiliated Hospital of Guangzhou Medical University
Current assignee: First Affiliated Hospital of Guangzhou Medical University
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-26
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a nasopharyngeal airway, comprising an airway main pipe, elastic bands are fixedly installed at both ends of a buckle, a Velcro is fixedly installed at the end of the elastic belt, and an upper part of the buckle is located on the airway main pipe. There is an oxygen pipe interface, the other end of the oxygen pipe is fixedly connected with one end of the three-way pipe, the right side of the oxygen pipe is located on the main airway main pipe is provided with a gas sampling pipe interface, and one end of the gas sampling main pipe extends to the outside of the main airway main pipe. A second rubber strip is fixed at the edge, a second rubber plug is fixedly connected to the other end of the second rubber strip, the other end of the connecting head is fixedly connected to one end of the gas sampling sub-pipe, and a limit ring is fixed to the inner wall of the main air passage. , the other end of the gas sampling sub-pipe passes through the limit ring and is fixedly connected with it, the utility model can effectively avoid the main pipe of the air duct from falling off the pipe, multiple functions are integrated into one, and the use comfort is improved.

Description

Nasopharyngeal airway

Technical Field

The utility model relates to the technical field of medical treatment, in particular to nasopharyngeal airway.

Background

The NPA is a simple and high-cost ventilation device, and is mainly used for relieving upper respiratory tract obstruction caused by glossoptosis and the like. Clinically, the nasopharyngeal airway is particularly suitable for patients with tight mandible, tight tooth closure, oropharyngeal operation and difficult placement in the oral airway. For oropharynx air vent, the operation of putting into of nasopharynx air vent is simple, and training can operate a bit, can accomplish the operation in the short time, realizes effectively ventilating. The nasopharynx air duct has the greatest characteristics of simple and effective operation and control, can be mastered by slight training and can effectively ventilate within a few seconds or after the operation is finished instantly. The nasopharyngeal airway has wide application range, and is mainly applied to assisting patients to dredge respiratory tracts in anesthesia departments, respiratory medicine departments and the like at present, thereby facilitating the implementation of medical operations and the like. The nasopharyngeal airway is made of medical polyvinyl chloride material, has moderate hardness, can reduce the damage to the nasal mucosa, and can not twist and fold in vivo to cause the stenosis of the lumen. The patient is more tolerant to NPA and hemodynamically stable than other similarly functioning extra-glottic ventilators such as the oropharyngeal airway.

In order to avoid the mucous membrane damage when the nasopharynx air vent is put into, paraffin oil can be paintd on the surface, but because difficult fixed, along with patient's swallowing action outwards deviate from, also can slide into the nasal cavity down because of patient's nasal cavity is bigger than normal, arouse the unexpected pipe of taking off because of patient's irritability even, if the nasopharynx air vent can not improve hypoxemia simultaneously, can only pull out and change endotracheal tube and carry out breathing machine auxiliary ventilation, patient's use comfort level has been reduced, influence the normal use of nasopharynx air vent, and traditional nasopharynx air vent function singleness, use at patient, can't monitor patient's the condition of ventilating.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a nasopharyngeal airway, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a nasopharynx air duct comprises an air duct main pipe, wherein a connecting pipe is fixedly connected to the left end of the air duct main pipe, a buckle is clamped on the side wall of the connecting pipe and located on the air duct main pipe, elastic belts are fixedly mounted at two ends of the buckle, a magic tape is fixedly mounted at the tail ends of the elastic belts, an oxygen pipe interface is arranged above the buckle and located on the air duct main pipe, the oxygen pipe interface is fixedly connected with one end of an oxygen pipe, the other end of the oxygen pipe is fixedly connected with one end of a three-way pipe, first rubber strips are fixedly arranged at the other two ends of the three-way pipe, a first rubber plug is fixedly connected to the other end of each first rubber strip, a gas sampling pipe interface is arranged on the right side of the oxygen pipe and located on the air duct main pipe, and the gas sampling pipe interface is fixedly connected with the middle end of the gas sampling main pipe, the one end that gaseous sampling was responsible for extends to the fixed second rubber strip that is equipped with in outside and the edge that the air vent was responsible for, the other end fixedly connected with second rubber stopper of second rubber strip, the other end that gaseous sampling was responsible for extends to the inside that the air vent was responsible for and the one end fixed connection of connector, the other end of connector and the one end fixed connection of gaseous sampling auxiliary pipe, the fixed spacing ring that is equipped with of inner wall that the air vent was responsible for, the other end of gaseous sampling auxiliary pipe passes the spacing ring and rather than fixed connection.

Preferably, the top inner wall of the gas sampling main pipe is provided with a threaded interface close to the edge.

Preferably, the elastic band and the magic tape are provided with two groups which are matched with each other.

Preferably, the first rubber plug is matched with the three-way pipe.

Preferably, the second rubber plug is matched with the gas sampling main pipe.

Preferably, the airway main tube is made of medical polyvinyl chloride material.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model relates to a nasopharyngeal airway, when in use, the airway main pipe of the device is inserted into the nasopharyngeal part of a patient, and the arrangement of the airway main pipe can be divided into adult men who choose Fr 30-34 (i.e. the inner diameter is 7.5-8.5 mm); an adult female selects Fr 24-28 (namely the inner diameter is 6.0-7.0 mm), the matched main airway tube can be conveniently used according to different patients, the use comfort level is improved, the connecting tube and the connecting piece are exposed outside the nose of the patient, one elastic band strides over the ears of the patient, the other elastic band strides over the lower parts of the ears of the patient, then the two groups of elastic bands are fixed through magic tapes on the two groups of elastic bands, the arrangement of the elastic bands can be properly adjusted according to the head circumference of the patient, the main airway tube is fixed while the use comfort level is improved, the main airway tube is prevented from sliding into the nasal cavity of the patient or falling off to cause accidental tube falling off, when auxiliary ventilation is needed according to the autonomous breathing condition of the patient, the first rubber plug and the three-way tube are in a normally closed state, the second rubber plug and the main airway sampling tube are in a normally closed state, the output end of the respirator is communicated with the connecting tube, oxygen uptake concentration is set for to the breathing machine, to patient's direct oxygen suppliment, the setting that the gaseous sampling on the air duct is responsible for, can breathe last carbon dioxide monitoring, specific operation is for extracting the second rubber stopper from gaseous sampling person in charge, the interface of the sampling pipe of detecting instrument is connected with the hickey of gaseous sampling person in charge top inner wall, can be through the carbon dioxide accumulation condition of gaseous sampling auxiliary line monitoring patient, when the patient is in the oxygen deficiency state, in the use of breathing machine, can extract the first rubber stopper on the oxygen hose, through the three-way pipe, oxygen hose is responsible for well supply oxygen to the air duct, need not to extract the output of breathing machine and carry out the oxygen suppliment again, high durability and convenient use, and simple operation, this device can effectively avoid the air duct to be responsible for taking off the pipe, multiple functions collection is in an organic whole, and use comfort level is improved.

Drawings

FIG. 1 is a top view of the inner structure of the nasopharyngeal airway in accordance with the present invention;

FIG. 2 is a schematic view of a portion A of the nasopharyngeal airway in accordance with the present invention;

FIG. 3 is a perspective view of the connecting mode of the main tube of the nasopharyngeal airway and the buckle of the present invention;

fig. 4 is a front view of the connection mode between the main pipe of the nasopharyngeal airway and the main pipe of the gas sampling pipe.

In the figure: 1. a main airway tube; 101. an oxygen tube interface; 102. a gas sampling tube interface; 2. a connecting pipe; 3. buckling; 301. an elastic band; 302. magic tape; 4. an oxygen tube; 401. a three-way pipe; 402. a first rubber stopper; 403. a first rubber strip; 5. a gas sampling main pipe; 501. a second rubber stopper; 502. a second rubber strip; 503. a connector; 504. a gas sampling secondary pipe; 505. a limit ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a nasopharyngeal airway comprises an airway main tube 1, a connecting tube 2 is fixedly connected to the left end of the airway main tube 1, a buckle 3 is fastened to the right side of the connecting tube 2 and located on the side wall of the airway main tube 1, elastic bands 301 are fixedly installed at both ends of the buckle 3, magic tapes 302 are fixedly installed at the tail ends of the elastic bands 301, an oxygen tube connector 101 is installed above the buckle 3 and located on the airway main tube 1, the oxygen tube connector 101 is fixedly connected to one end of an oxygen tube 4, the other end of the oxygen tube 4 is fixedly connected to one end of a three-way tube 401, first rubber strips 403 are fixedly installed at both other ends of the three-way tube 401, first rubber plugs 402 are fixedly connected to the other ends of the first rubber strips 403, a gas sampling tube connector 102 is installed on the right side of the oxygen tube 4 and located on the airway main tube 1, gaseous sampling pipe interface 102 is responsible for 5 middle-end fixed connection with gaseous sampling, the one end that gaseous sampling was responsible for 5 extends to the fixed second rubber strip 502 that is equipped with in outside and the edge of the main pipe 1 of air duct, the other end fixedly connected with second rubber stopper 501 of second rubber strip 502, the other end that gaseous sampling was responsible for 5 extends to the inside of the main pipe 1 of air duct and the one end fixed connection of connector 503, the other end of connector 503 and the one end fixed connection of gaseous sampling auxiliary pipe 504, the fixed spacing ring 505 that is equipped with of inner wall of the main pipe 1 of air duct, the other end of gaseous sampling auxiliary pipe 504 passes spacing ring 505 and rather than fixed connection.

In this embodiment, preferably, a threaded interface is arranged on the edge of the inner wall of the top end of the gas sampling main pipe 5, which is close to the edge, so as to be conveniently connected with the threaded interface of the sampling pipe of the detection instrument.

In this embodiment, preferably, the elastic band 301 and the magic tape 302 are both provided with two sets of mutually matching, so as to fix the main pipe of the air duct and prevent the air duct from falling off.

In this embodiment, preferably, the first rubber plug 402 is matched with the three-way pipe 401, so as to seal the port of the three-way pipe 401 and prevent gas from leaking out.

In this embodiment, it is preferable that the second rubber plug 501 is matched with the gas sampling main pipe 5 to prevent gas inside the gas sampling main pipe 5 from leaking out.

In this embodiment, preferably, the airway main tube 1 is made of medical polyvinyl chloride material, and has a moderate hardness, so that damage to nasal mucosa can be reduced, and stenosis of the lumen due to twisting and folding in vivo can be avoided.

The utility model relates to a nasopharyngeal airway, when in use, the airway main tube 1 of the device is inserted into the nasopharyngeal part of a patient, and the setting of the airway main tube 1 can be divided into adult men who choose Fr 30-34 (i.e. the inner diameter is 7.5-8.5 mm); an adult female selects Fr 24-28 (namely the inner diameter is 6.0-7.0 mm), the matched main airway tube can be conveniently used according to different patients, the use comfort level is improved, the connecting tube 2 is exposed outside the nose of the patient, one elastic band 301 crosses over the ear of the patient, the other elastic band 301 crosses over the lower part of the ear of the patient, then the two groups of elastic bands 301 are fixed through magic tapes 302 on the two groups of elastic bands 301, the arrangement of the elastic bands 301 can be properly adjusted according to the head circumference of the patient, the main airway tube 1 is fixed while the use comfort level is improved, the main airway tube 1 is prevented from sliding into the nasal cavity of the patient or slipping out to cause accidental tube falling off, when auxiliary ventilation is needed according to the spontaneous breathing condition of the patient, the first rubber plug 402 and the three-way tube 401 are in a normally closed state, the second rubber plug 501 and the main airway sampling tube 5 are in a normally closed state, handheld airway is responsible for 1, be linked together the output of breathing machine and connecting pipe 2, the breathing machine sets for oxygen uptake concentration, direct oxygen suppliment to patient, airway is responsible for the setting of the gaseous sampling of 1 and is responsible for 5, can breathe last carbon dioxide monitoring, specific operation is to extract second rubber stopper 501 from gaseous sampling is responsible for 5, be connected the sampling pipe interface of detecting instrument with the threaded interface of the gaseous sampling of being responsible for 5 top inner wall, can mutually support with gaseous sampling auxiliary pipe 504, monitor patient's carbon dioxide accumulation condition, when the patient is in the oxygen deficiency state, when the breathing machine uses, can extract first rubber stopper 402 on the oxygen hose 4, through three-way pipe 401, oxygen is supplied to airway in being responsible for 1 to oxygen hose 4, need not to extract the output of breathing machine and carry out the oxygen suppliment again.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A nasopharyngeal airway, comprising an airway main pipe (1), characterized in that: the left end of the airway main pipe (1) is fixedly connected with a connecting pipe (2), and the right side of the connecting pipe (2) A buckle (3) is clamped on the side wall of the main air passage (1), and elastic bands (301) are fixedly installed at both ends of the buckle (3). The elastic band (301) A Velcro (302) is fixedly installed at the end of the airway, and an oxygen pipe interface (101) is opened above the buckle (3) and located on the airway main pipe (1), and the oxygen pipe interface (101) is connected with oxygen One end of the pipe (4) is fixedly connected, and the other end of the oxygen pipe (4) is fixedly connected with one end of the three-way pipe (401), and the other ends of the three-way pipe (401) are fixedly provided with a first rubber strip (403), the other end of the first rubber strip (403) is fixedly connected with a first rubber stopper (402), and the right side of the oxygen tube (4) is located on the airway main pipe (1) to open There is a gas sampling pipe interface (102), the gas sampling pipe interface (102) is fixedly connected with the middle end of the gas sampling main pipe (5), and one end of the gas sampling main pipe (5) extends to the airway main pipe (1). A second rubber strip (502) is fixed on the outside and at the edge of the second rubber strip (502), the other end of the second rubber strip (502) is fixedly connected with a second rubber stopper (501), and the other end of the gas sampling main pipe (5) One end extends to the interior of the main air passage (1) and is fixedly connected to one end of the connecting head (503), and the other end of the connecting head (503) is fixedly connected to one end of the gas sampling sub-pipe (504). A limit ring (505) is fixedly arranged on the inner wall of the main pipe (1), and the other end of the gas sampling sub-pipe (504) passes through the limit ring (505) and is fixedly connected with it.

2 . The nasopharyngeal airway according to claim 1 , wherein the inner wall of the top end of the gas sampling main pipe ( 5 ) is provided with a threaded interface near the edge. 3 .

3 . The nasopharyngeal airway according to claim 1 , wherein the elastic band ( 301 ) and the Velcro ( 302 ) are provided with two groups, which are matched with each other. 4 .

4. The nasopharyngeal airway according to claim 1, wherein the first rubber plug (402) is matched with the three-way tube (401).

5 . The nasopharyngeal airway according to claim 1 , wherein the second rubber plug ( 501 ) is matched with the gas sampling main pipe ( 5 ). 6 .

6 . The nasopharyngeal airway according to claim 1 , wherein the airway main pipe ( 1 ) is made of medical polyvinyl chloride material. 7 .