CN213466420U

CN213466420U - Nasal mask for noninvasive CPAP (continuous positive airway pressure)

Info

Publication number: CN213466420U
Application number: CN202020919546.8U
Authority: CN
Inventors: 赵龙德; 司振强; 杨建�
Original assignee: Nanjing Childrens Hospital of Nanjing Medical University
Current assignee: Nanjing Childrens Hospital of Nanjing Medical University
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-06-18
Anticipated expiration: 2030-05-27

Abstract

The utility model relates to a nose mask for noninvasive CPAP, which comprises a nose mask body, wherein fixing straps are arranged on two sides of the nose mask body, an air inlet pipe and an exhaust pipe are arranged on the nose mask body, the air inlet pipe is connected with an oxygen supply device, a filtering area is arranged on the side wall of the nose mask body, the exhaust pipe is arranged at the filtering area, and a pressure limiting valve is arranged on the exhaust pipe; the nose mask is characterized in that the number of the filter areas is two, the two filter areas are symmetrically arranged at the corresponding positions of the nose mask and the nose wing, the exhaust pipe is Y-shaped, two pipes of the Y-shaped exhaust pipe are respectively connected to the two filter areas, and the pressure limiting valve is arranged at the connecting position of the branch pipe and the main pipe of the Y-shaped exhaust pipe. The nose mask for noninvasive CPAP provided in the technical scheme can effectively solve the problems of air leakage, poor comfort, easy pollution of exhausted gas to the treatment environment, need of a water-sealed bottle to regulate and control pressure and complex operation existing in the background technology.

Description

Nasal mask for noninvasive CPAP (continuous positive airway pressure)

Technical Field

The utility model relates to a nose cup technical field, concretely relates to a nose cup for having no wound CPAP.

Background

CPAP respirators are those in which, under the conditions of spontaneous breathing, the patient should have a stable respiratory drive and an appropriate tidal volume, and a certain degree of positive pressure is artificially applied to the airway during the whole breathing cycle, thereby preventing the airway from collapsing, increasing the ventilation volume, improving the lung compliance, and improving oxygenation, i.e. continuous positive pressure ventilation. The method is mainly used for treating sleep apnea hypopnea syndrome patients caused by snoring, and can also be used for respiratory patients with strong spontaneous respiration and only needing slight assistance of a breathing machine.

CPAP treatment suffers from the following problems:

1. the high flow oxygen inhalation in the treatment process of CPAP has certain air leakage problem, and the comfort is poor;

2. the gas exhaled in the CPAP treatment is directly exhausted, so that the treatment environment is polluted;

3. in the using process, the pressure is regulated and controlled by a water-sealed bottle, and the operation is complicated and the pollution is easily caused.

Therefore, it is necessary to design a new technical solution to comprehensively solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nose cup for having wound CPAP, it can effectively solve the gas leakage problem that exists among the background art, the comfort is poor, and exhaust gas easily pollutes the treatment environment and needs water seal bottle regulation and control pressure, complex operation's problem.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a nose cup for having wound CPAP, includes the nose cup body, and the both sides of nose cup body are provided with fixing bandage, be provided with intake pipe and blast pipe on the nose cup body, the intake pipe links to each other with the apparatus of oxygen supply, be provided with the filtering area on the lateral wall of nose cup body, the blast pipe setting is provided with the voltage limiting valve in filtering area department, on just the blast pipe.

The utility model has the advantages of the utility model provides a nose cup, nose wing, pressure limiting valve, nose cover, nose wing, exhaust pipe, filter area, the filter area is provided with two, and two filter areas symmetry set up in nose cover and corresponding position department of nose wing, the exhaust pipe is the Y type, and two spinal branchs of Y type exhaust pipe connect respectively in two filter areas departments, the pressure limiting valve sets up in the junction of Y type exhaust pipe branch pipe and person in charge.

The pressure limiting valve comprises a pressure limiting pipe, a pressure limiting plug and a pressure limiting rod are arranged in the pressure limiting pipe, a compression spring is sleeved on the pressure limiting rod, and the pressure limiting plug is axially arranged along the pressure limiting pipe in a sliding mode through the compression spring.

The filter area is internally provided with a filter membrane, and the aperture of the filter membrane is 10-99 nm.

In a further scheme, a main pipe of the Y-shaped exhaust pipe is connected with the alcohol bottle through a connecting pipe, and the joint of the connecting pipe and the main pipe of the Y-shaped exhaust pipe is an L-shaped pipe.

According to the nasal mask for noninvasive CPAP provided by the technical scheme, the filtering area is arranged to filter gas exhaled by a patient through the filtering membrane, so that the problems that the treatment environment is polluted and medical personnel can be infected by viruses (such as the COVID-19 treatment process) when the current CPAP exhaled gas is directly exhausted can be effectively solved, meanwhile, the Y-shaped exhaust pipe and the pressure limiting valve are adopted, the two pipes are respectively connected with the filtering area, when the pressure of the exhaled gas is greater than the threshold value of the pressure limiting valve, the pressure limiting valve is opened, and the exhaled gas is exhausted outwards through the Y-shaped exhaust pipe; meanwhile, the utility model adopts the nose mask as the CPAP respirator, and the combination of the fixing bandage and the nose mask on the two sides can effectively attach the nose part, thereby solving the problem of air leakage; in addition, the tail end of the connecting pipe is provided with the alcohol bottle, so that secondary treatment can be performed on the exhaled gas, and the safety of the exhausted gas is guaranteed.

Drawings

FIG. 1 is a schematic structural view of a nasal mask for noninvasive CPAP according to the present invention;

fig. 2 is a schematic structural view of the pressure limiting valve of the present invention.

In the figure: 1. a nose mask body; 11. fixing a binding band; 12. a filtration zone; 13. an air inlet pipe; 14. a branch pipe; 15. a main pipe; 2. a pressure limiting valve; 21. a pressure limiting pipe; 211. a retainer ring; 22. a pressure limiting plug; 23. a pressure limiting rod; 24. a compression spring; an L-shaped pipe; 31. a connecting pipe; 4. an alcohol bottle.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments. It is to be understood that the following text is only intended to describe one or several particular embodiments of the invention, and does not strictly limit the scope of the claims specifically claimed.

The technical scheme of the utility model is as shown in figure 1 and figure 2, a nose mask for noninvasive CPAP comprises a nose mask body 1, fixing straps 11 are arranged on two sides of the nose mask body 1, an air inlet pipe 13 and an exhaust pipe are arranged on the nose mask body 1, the air inlet pipe 13 is connected with an oxygen supply device, a filtering area 12 is arranged on the side wall of the nose mask body 1, the exhaust pipe is arranged at the filtering area 12, and a pressure limiting valve 2 is arranged on the exhaust pipe; two filtering areas 12 are arranged, the two filtering areas 12 are symmetrically arranged at the corresponding positions of the nose mask and the nose wing, the exhaust pipe is Y-shaped, two branch pipes 14 of the Y-shaped exhaust pipe are respectively connected with the two filtering areas 12, and the pressure limiting valve 2 is arranged at the connection position of the branch pipe 14 of the Y-shaped exhaust pipe and the main pipe 15; a filtering membrane is arranged in the filtering area 12, the aperture of the filtering membrane is 10-99 nm, most viruses can be filtered by the filtering membrane, and the viruses with smaller sizes are inactivated by alcohol in a subsequent alcohol bottle, so that discharged gas is ensured to be pollution-free.

Specifically, the main pipe 15 of Y type blast pipe still links to each other with alcohol bottle 4 through connecting pipe 31, and connecting pipe 31 is responsible for 15 with Y type blast pipe and meets for L type pipe 3, and the gas of patient's exhalation passes through the filtration district back again through the processing of alcohol, and the gas after the dual processing can be discharged to the atmosphere safely in, effectively solves the pollution and the infection that the direct atmosphere of exhalation gas caused. Adopt the connecting pipe to be connected with Y type blast pipe simultaneously, medical personnel can adjust the direction and the position of L type pipe according to using the position to do not hinder the treatment and suitably.

As shown in fig. 2, the pressure limiting valve 2 includes a pressure limiting pipe 21, a pressure limiting plug 22 and a pressure limiting rod 23 are arranged in the pressure limiting pipe 21, a compression spring 24 is sleeved on the pressure limiting rod 23, the pressure limiting plug 22 is arranged along the pressure limiting pipe 21 in an axial sliding manner through the compression spring 24, a retaining ring 211 is inwardly extended from one end of the pressure limiting pipe 21 close to the pressure limiting plug 22, the retaining ring is arranged to prevent the pressure limiting plug from sliding out, meanwhile, gas can be guaranteed to be flushed out from the retaining ring, and flexibility and reliability of use of the pressure limiting valve are guaranteed.

In a word, the utility model provides a nose cup for having wound CPAP inseparable with the laminating of patient's nasal part, can effectively solve the gas leakage problem, carry out secondary treatment to patient's expired gas simultaneously, solve the pollution problem that expired gas direct discharge caused, it adopts one-way pressure limiting valve at last, after expired gas reached certain pressure, the pressure limiting valve was got through, but direct exhaust gas has avoided needing to use water sealed bottle regulation and control pressure, the easy problem of not dying of complex operation.

The above detailed description of the embodiments of the present invention has been provided with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make several equivalent transformations and substitutions without departing from the principles of the present invention after learning the contents of the present invention.

Claims

1. The utility model provides a nose cup for having wound CPAP, includes the nose cup body, and the both sides of nose cup body are provided with fixing strap, its characterized in that: the nose mask body is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe is connected with an oxygen supply device, the side wall of the nose mask body is provided with a filtering area, the air outlet pipe is arranged at the filtering area, and the air outlet pipe is provided with a pressure limiting valve; the exhaust pipe is also connected with the alcohol bottle through a connecting pipe.

2. A nasal mask for non-invasive CPAP according to claim 1, wherein: the nose mask is characterized in that the number of the filter areas is two, the two filter areas are symmetrically arranged at the corresponding positions of the nose mask and the nose wing, the exhaust pipe is Y-shaped, two pipes of the Y-shaped exhaust pipe are respectively connected to the two filter areas, and the pressure limiting valve is arranged at the connecting position of the branch pipe and the main pipe of the Y-shaped exhaust pipe.

3. A nasal mask for non-invasive CPAP according to claim 1, wherein: the pressure limiting valve comprises a pressure limiting pipe, a pressure limiting plug and a pressure limiting rod are arranged in the pressure limiting pipe, a compression spring is sleeved on the pressure limiting rod, and the pressure limiting plug is axially arranged along the pressure limiting pipe in a sliding mode through the compression spring.

4. A nasal mask for non-invasive CPAP according to claim 1, wherein: and a filtering membrane is arranged in the filtering area, and the aperture of the filtering membrane is 10-99 nm.

5. A nasal mask for non-invasive CPAP according to claim 2, wherein: the main pipe of the Y-shaped exhaust pipe is connected with the alcohol bottle through a connecting pipe, and the joint of the connecting pipe and the main pipe of the Y-shaped exhaust pipe is an L-shaped pipe.