CN105944210A - Negative pressure oxygen inhalation mask - Google Patents

Abstract

The invention relates to a negative pressure oxygen inhalation mask, comprising a mask body and an air pipeline, one end of the air pipeline is connected to the mask body, and the other end is connected to an oxygen supply device; the mask body has a double-layer structure, and the The double-layer structure includes an integrally formed outer layer cavity and an inner layer cavity, and the connecting part between the outer layer cavity and the inner layer cavity includes a closed connection part and a semi-closed connection part, and the outer layer cavity and the inner layer cavity The space between the inner chambers is a negative pressure chamber, and the inner chambers communicate with the gas pipeline to form an oxygen supply chamber. The present invention can provide accurate oxygen therapy plan for clinical patients according to different diseases, different degrees of illness and different treatment purposes; at the same time, the present invention can fix the mask and nose and mouth together without binding, which has excellent patient experience , easy to operate.

Description

negative pressure oxygen mask

technical field

The invention relates to the field of face masks, in particular to a negative pressure oxygen inhalation mask which adopts the principle of negative pressure and closely fits the mouth, nose and face.

Background technique

In terms of function, the functions of medical oxygen inhalation masks currently on the market are very similar, and they can only be used for the general needs of patients for oxygen inhalation. Accurate and effective use; Clinically, each patient may need oxygen inhalation at different pressures and different oxygen concentrations, and it is difficult to meet such individualized needs when using ordinary masks for critically ill patients when they go out for inspection. In terms of whether the operation is convenient and whether the patient experience is comfortable, almost all the masks invented at present use lanyards, which need to move and lift the patient's head, which is very inconvenient to operate; the existing invented masks use lanyards Forcibly fixing the mask and the mouth and nose together, this fixing method has poor user experience and strong discomfort; in addition, for clinically irritable patients, the head should not be fixed, and it is difficult to achieve a satisfactory oxygen inhalation effect.

Contents of the invention

The technical problem to be solved by the present invention is to provide an instant oxygen inhalation plan that is accurate, effective and individualized according to the different oxygen inhalation pressure and concentration requirements of each clinical patient, so as to ensure the life safety of patients; The principle of pressure can make the mask easily adsorbed on the patient's nose and face, with strong adsorption and tight fit; it is not limited by the patient's position, has good comfort, and is a very convenient negative pressure oxygen inhalation mask.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: the negative pressure oxygen inhalation mask is characterized in that it includes a mask body and an air pipeline, one end of the air pipeline is connected to the mask body, and the other end is connected to an oxygen supply device The mask body is a double-layer structure, and the double-layer structure includes an outer layer cavity and an inner layer cavity arranged on the inside of the outer layer cavity, and the edge of the outer layer cavity and the edge of the outer layer cavity are connected by The connection part includes a closed connection part and a semi-closed connection part, the space between the outer layer cavity and the inner layer cavity is a negative pressure cavity, and the inner layer cavity is connected to the gas pipeline Form an oxygen supply chamber.

The beneficial effects of the present invention are: the oxygen inhalation mask can provide accurate oxygen therapy plan for clinical patients according to different diseases, different disease states and different treatment purposes; at the same time, the present invention can fix the mask and nose and mouth without binding Together, for an excellent patient experience and easy operation.

On the basis of above-mentioned technical scheme, the present invention can also be improved as follows:

Further, an exhaust pipe is installed on the inner layer cavity, one end of the exhaust pipe passes through the outer layer cavity and is installed on the inner layer cavity, and an exhaust valve is installed on the other end, the exhaust pipe is connected with the supply Oxygen cavities are connected.

The beneficial effect of adopting the above further solution is that the exhaust valve can be adjusted independently or manually to ensure that the pressure in the oxygen supply chamber is suitable for the patient.

Further, a negative pressure tube and a cap are installed on the outer cavity, one end of the negative pressure tube is installed on the outer cavity, and the other end is detachably connected to the cap, and the negative pressure tube communicates with the negative pressure cavity .

The beneficial effect of adopting the above further solution is that when the outer cavity is not pumped, the cap is placed on the negative pressure tube, and the semi-closed connection part is attached to the skin at this time, and the entire negative pressure cavity forms an airtight space.

Further, the closed connection part is a connecting plate integrally formed with the outer layer cavity and the inner layer cavity.

Further, the semi-closed connection part is an adhesive film with a plurality of vent holes, and the film is flatly attached to the skin to close the vent holes so that the negative pressure chamber forms a closed space.

Further, the material of the film is silica gel.

The beneficial effect of adopting the above further solution is that when the outer cavity is not pumped, the cap is placed on the negative pressure tube, and the semi-closed connection part is attached to the skin at this time, and the entire negative pressure cavity forms an airtight space.

Further, the material of the outer cavity and the inner cavity is medical plastic.

The beneficial effect of adopting the above further solution is that the medical plastic is light in weight, hygienic and clean, and ensures that patients are not infected by other germs.

Further, the gas transmission pipeline is a circular pipeline, which can be folded and stretched and freely rotated 360 degrees.

The beneficial effect of adopting the above further solution is that the circular pipe is a flexible pipe, which is convenient for the patient to pull the mask body to a comfortable position for the patient.

Further, the air pipeline is connected to the mask body through threads.

The beneficial effect of adopting the above further solution is that the gas pipeline and the mask body are connected by threads to facilitate disassembly and assembly.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Mask body, 2. Air pipeline, 3. Outer cavity, 4. Inner cavity, 5. Semi-closed connection, 6. Exhaust pipe, 7. Exhaust valve, 8. Negative pressure tube, 9. Cap.

detailed description

The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in Figure 1, the negative pressure oxygen inhalation mask is characterized in that it includes a mask body 1 and an air pipeline 2, one end of the air pipeline 2 is connected to the mask body 1, and the other end is connected to an oxygen supply device; Described mask body 1 is double-layer structure, and described double-layer structure comprises outer layer cavity 3 and the inner layer cavity 4 that is arranged on the inside of outer layer cavity 3, the edge of described outer layer cavity 3 and outer layer cavity The edges of 3 are connected together through the connection part, and the connection part includes a closed connection part and a semi-closed connection part 5, and the space between the outer layer cavity 3 and the inner layer cavity 4 is a negative pressure cavity, and the inner layer cavity The layer cavity 4 communicates with the gas pipeline 2 to form an oxygen supply cavity.

An exhaust pipe 6 is installed on the inner layer cavity 4, one end of the exhaust pipe 6 runs through the outer layer cavity 3 and is installed on the inner layer cavity 4, and an exhaust valve 7 is installed on the other end. The gas pipeline 6 communicates with the oxygen supply chamber. The exhaust valve 7 can be adjusted autonomously or manually to ensure that the pressure in the oxygen supply chamber is suitable for the patient.

A negative pressure tube 8 and a block cap 9 are installed on the outer layer cavity 3, one end of the negative pressure tube 8 is installed on the outer layer cavity 3, and the other end is detachably connected with the block cap 9, and the negative pressure tube 8 is connected with the block cap 9. The negative pressure chambers are connected. When the outer cavity 3 is not pumped, the cap 9 is placed on the negative pressure tube 8, and the semi-closed connection part 5 is attached to the skin, and the entire negative pressure cavity forms an airtight space.

The closed connecting portion is a connecting plate integrally formed with the outer cavity 3 and the inner cavity 4 .

The semi-closed connection part 5 is an adhesive film with a plurality of vent holes; the film is flatly attached to the skin to close the vent holes, so that the negative pressure chamber forms a closed space.

The material of the film is silica gel. Silicone has good fit, and has good comfort in contact with the skin.

The material of the outer cavity 3 and the inner cavity 4 is medical plastic. Medical plastic is light in weight, hygienic and clean, ensuring that patients are not infected by other germs.

The gas transmission pipeline 2 is a circular pipeline, which can be folded and stretched and freely rotated 360 degrees. Preferably, the circular duct is a flexible duct, which is convenient for the patient to pull the mask body 1 to a comfortable position for the patient.

Preferably, the air delivery pipeline 2 is connected to the mask body 1 through threads. The connection between the inner cavity 4 and the outer cavity 3 is provided with a channel matching the structure of the gas pipeline 2, the channel is provided with threads, and one end of the gas pipeline 2 is provided with a thread matching the channel , the two are screwed together and the gas pipeline 2 and the mask body 1 can be connected together.

The working principle and working process of the present invention: when the outer cavity 3 sucks gas through the negative pressure tube 8 to form a negative pressure state in the negative pressure cavity, the silicone film is tightly adsorbed on the patient's nose and face, reaching the mask and the patient's nose and face. The effect of full and tight matching; the inner cavity 4 and the outer cavity 3 meet at the end of the connecting gas pipeline 2, and are closely connected to one end of the gas pipeline 2 through a spiral structure, and the other end of the gas pipeline 2 is connected to the oxygen supply device; In addition, the inner cavity 4 has an exhaust pipeline 6, and an adjustable pressure exhaust valve 7 or an exhaust valve 7 containing a one-way valve is installed on the exhaust pipeline 6. When the pressure of the mask oxygen supply chamber is greater than When the pressure on the outside of the one-way valve is exceeded, the exhaust can be realized outward.

In four consecutive natural months, 35 patients were clinically treated with the "negative pressure oxygen inhalation mask" of the present invention; test method: under the oxygen flow mode of the hospital standard 1-2L/min, the negative pressure oxygen inhalation mask of the present invention was connected to realize An oxygen flow rate of 8-10L/min was established, and sufficient oxygen therapy was implemented for 8 hours, which improved the neurological function scores of patients with acute ischemic stroke, achieved satisfactory oxygen therapy effects, and was recognized by the patients for their good experience; Realized the individualized oxygen therapy plan according to the needs of the disease, different severity and different treatment purposes.

Beneficial effects of the present invention: With the in-depth research on the value of oxygen therapy in clinical application and the improvement of clinical requirements for oxygen inhalation pressure and concentration, this oxygen inhalation mask can be used for clinical patients according to different diseases, different degrees of disease and different treatment purposes. Providing precise oxygen therapy solutions will bring great clinical value to the treatment of various diseases with oxygen therapy in the future. At the same time, the mask also overcomes the shortcomings of the existing masks that use hanging ropes to forcibly fix the mask and the mouth and nose together, poor patient experience, and inconvenient operation. It is believed that there will be a huge market prospect in the future.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (9)

1. negative pressure oxygen absorption mask, it is characterised in that include mask body (1) and gas pipeline (2), One end of described gas pipeline (2) is connected with mask body (1), and the other end is connected with apparatus of oxygen supply Connect；Described mask body (1) is double-decker, and described double-decker includes outer layer cavity (3) and sets Putting the internal layer cavity (4) in outer layer cavity (3) inner side, the edge of described outer layer cavity (3) is with outer Layer cavity (3) edge link together by connecting portion, described connecting portion include close connecting portion with Semiclosed connecting portion (5), the space between described outer layer cavity (3) and internal layer cavity (4) is negative Pressure chamber, described internal layer cavity (4) is connected with gas pipeline (2) and forms oxygen supply chamber.

Negative pressure oxygen absorption mask the most according to claim 1, it is characterised in that described internal layer cavity (4) On discharge duct (6) is installed, described discharge duct (6) one end run through outer layer cavity (3) install On internal layer cavity (4), the other end is provided with air bleeding valve (7), described discharge duct (6) with Oxygen supply chamber is connected.

Negative pressure oxygen absorption mask the most according to claim 1, it is characterised in that described outer layer cavity (3) On negative tube (8) and block (9) are installed, one end of described negative tube (8) is arranged on outer layer chamber On body (3), the other end removably connects with block (9), described negative tube (8) and negative pressure cavity phase Connection.

4. according to negative pressure oxygen absorption mask described in any one of claims 1 to 3, it is characterised in that described envelope Closing connecting portion is and outer layer cavity (3) and internal layer cavity (4) integrated connecting plate.

5. according to negative pressure oxygen absorption mask described in any one of claims 1 to 3, it is characterised in that described half Closing connecting portion (5) is the thin film with stickiness, and described thin film has multiple passage；Described Thin film is smooth to be fitted on skin to close passage, makes negative pressure cavity be formed and closes space.

Negative pressure oxygen absorption mask the most according to claim 5, it is characterised in that the material of described thin film is Silica gel.

7. according to negative pressure oxygen absorption mask described in any one of claims 1 to 3, it is characterised in that outside described The material of layer cavity (3) and internal layer cavity (4) is medical plastic.

8. according to negative pressure oxygen absorption mask described in any one of claims 1 to 3, it is characterised in that described defeated Feed channel (2) is circular pipe, and the collapsible stretching of described circular pipe also carries out 360 degree and rotates freely.

9. according to negative pressure oxygen absorption mask described in any one of claims 1 to 3, it is characterised in that described defeated Feed channel (2) is threaded connection with mask body (1).