CN211794438U - Mouth and nose protector based on it prevents cross infection to eliminate and kill pathogen physicochemically - Google Patents

Abstract

A mouth and nose protective device for preventing cross infection based on physicochemical pathogen killing comprises a nose and mouth secretion collecting and killing device and a cross infection preventing mask, wherein the nose and mouth secretion collecting and killing device comprises self-adhesive glue for attaching around the mouth and nose of a patient, the self-adhesive glue is attached to the inner surface of a hydrogel antibacterial dressing, an arc-shaped front baffle is arranged below the outer surface of the hydrogel antibacterial dressing, a first self-adhesive material is arranged on the outer surface of the front baffle, and the bottom of the front baffle is connected with a light-tight collecting bag capable of killing pathogens and used for collecting nose and mouth secretions of the patient; the mask comprises a mask body with an arc-shaped rear baffle below, wherein a self-adhesive material II is arranged on the inner surface of the rear baffle, the shape of the rear baffle is consistent with that of the front baffle, and the rear baffle is connected with the front baffle by adhesion of the self-adhesive material II and the self-adhesive material I.

Description

A mouth and nose protection device based on physical and chemical disinfecting pathogens to prevent cross infection

technical field

The invention belongs to the technical field of medical devices, and in particular relates to a mouth and nose protection device based on physical and chemical elimination of pathogens to prevent cross infection.

Background technique

In recent years, sudden outbreaks have occurred from time to time, and the emergence of emergencies is related to people's lives and social safety. It is necessary to effectively prevent, timely control and eliminate the harm of public health emergencies, protect public health and life safety, and maintain normal health and safety. Social order; great difficulty and heavy responsibility. For example, COVID-19 (SARS-CoV-2), which started in December 2019, is mainly transmitted by respiratory droplets and contact transmission. The transmission routes such as aerosol and digestive tract have not yet been clarified, and the population is generally susceptible. Since the pneumonia caused by the new coronavirus infection is mainly transmitted through droplets, the guidelines for the protection of groups with different risks of the new coronavirus infection and the guide for the use of masks for pneumonia caused by the new coronavirus infection issued by the National Health Commission pointed out that masks are an important line of defense against respiratory infectious diseases , can reduce the risk of new coronavirus infection. This has led to a large demand for masks by medical staff and the public, especially in critically ill patients, whose oral and nasal secretions are highly contagious and easily lead to cross-infection during treatment. At present, medical masks in the medical device industry are mainly divided into ordinary medical masks, medical surgical masks, and medical protective masks according to types. According to the specifications and shapes, it is mainly divided into rectangular, arched, butterfly (folding), fish-shaped and other special-shaped masks with internal support structures. These devices to prevent infection due to oral and nasal secretions can only block the transmission of secretions, but cannot complete the disinfection and sterilization of secretions, and are easy to cause cross-infection, which is not conducive to medical staff to perform respiratory and digestive tract care operations on patients. It is beneficial to the patient's recovery, and the existing device compresses the skin around the patient's mouth, nose, and auricle for a long time, which is prone to pressure injury, which increases the patient's pain and treatment costs.

SUMMARY OF THE INVENTION

In order to overcome the shortcoming of the above-mentioned prior art, the object of the present invention is to provide a kind of oral and nasal protection device based on physical and chemical elimination of pathogens to prevent cross-infection, in order to prevent cross-infection of oral and nasal secretions, and achieve the goal of safer, healthier and more comfortable, Reduce the incidence of cross-infection.

In order to achieve the above object, the technical scheme adopted in the present invention is:

An oral and nasal protection device based on physicochemically disinfecting pathogens to prevent cross infection, comprising a device for collecting and disinfecting nasal and oral secretions and a mask for preventing cross infection, wherein:

The device for collecting and disinfecting nasal and oral secretions includes a self-adhesive 15 for attaching around the mouth and nose of a patient. The outer surface of the self-adhesive 15 is attached to the inner surface of the hydrogel antibacterial dressing 1. The hydrogel antibacterial dressing An arc-shaped front baffle 8 is arranged below the outer surface of the 1, the outer surface of the front baffle 8 is provided with a self-adhesive material 3, and the bottom of the front baffle 8 is connected to the impermeable material used to collect the patient's nasal and oral secretions. A light collection bag 5, the opaque collection bag 5 is equipped with a device capable of disinfecting pathogens;

The anti-cross-infection mask includes a mask body 21, an arc-shaped rear baffle 19 is provided below the mask body 21, and the inner surface of the rear baffle 19 is provided with a self-adhesive material 23, and the rear baffle 19 is provided with a self-adhesive material 23. The shape is the same as that of the front baffle 8 , and the connection between the rear baffle 19 and the front baffle 8 is realized by bonding the second self-adhesive material 23 and the self-adhesive material one 3 .

The self-adhesive 15 and the hydrogel antibacterial dressing 1 are attached around the patient's mouth and nose to form a preset hole-2 for leaving the patient's mouth and nose.

The position of the front baffle 8 corresponds to the lower part of the patient's oral cavity, and the bottom position of the front baffle 8 corresponds to the lower jaw of the patient, which blocks and guides the patient's nasal and oral secretions to the opaque collection bag 5 .

A funnel 9 and a check valve 4 are arranged at the entrance of the opaque collection bag 5 , and the nasal and oral secretions guided by the front baffle 8 enter the opaque collection bag 5 through the funnel 9 and the check valve 4 .

The bottom of the opaque collection bag 5 is connected with a bag 7, and a deep ultraviolet LED lamp inlet 14 is left on the side of the bag 7 for loading the reusable deep ultraviolet LED lamp 6. The bag 7 and the opaque collection bag 5 are connected. There is a light-transmitting material layer 12 in between, and the parts of the bag 7 that are not in contact with the opaque collection bag 5 are all opaque layers to prevent ultraviolet light from being exposed.

The deep ultraviolet LED lamp 6 is powered by an independent battery 13 .

The deep ultraviolet LED lamp 6 selects a 254 nm deep ultraviolet light emitting diode.

The side surface of the opaque collection bag 5 is connected to the alcohol balloon 10 through the connecting pipeline 11 .

The anti-cross-infection mask has two specifications, one has a preset hole 22 on the mask body 21 corresponding to the patient's mouth and nose, and the oxygen supply tube and/or tracheal intubation pass through, which is suitable for tracheal intubation. , patients with an oxygen inhalation tube, and the other is a conventional mask body 21, which is suitable for patients without tracheal intubation and oxygen inhalation tubes.

A support frame 24 is provided between the rear baffle 19 and the mask body 21 .

Compared with the prior art, the present invention can export most of the oral and nasal secretions of patients and conduct centralized sterilization treatment, which greatly reduces the risk of cross-infection, and at the same time, the intubation problem of critically ill patients is also considered, and the clinical practicality is improved. sex.

Description of drawings

FIG. 1 is a schematic diagram of the front structure of the nasal-oral secretion collecting and disinfecting device of the present invention.

Figure 2 is a schematic side view of the structure of the device for collecting and disinfecting nasal and oral secretions according to the present invention.

3 is a schematic structural diagram of a model a anti-cross-infection mask of the present invention.

4 is a schematic structural diagram of a model b anti-cross-infection mask of the present invention.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings and examples.

The present invention is a mouth and nose protection device based on physical and chemical elimination of pathogens to prevent cross infection, which mainly includes two parts: a nose and oral cavity secretion collection and elimination device and an anti-cross infection mask.

Referring to Figure 1 and Figure 2, the device for collecting and disinfecting nasal and oral secretions comprises a self-adhesive 15, and the outer surface of the self-adhesive 15 is attached to the inner surface of the hydrogel antibacterial dressing 1. A preset hole-2 is provided for exposing the patient's mouth and nose, that is, the self-adhesive 15 and the hydrogel antibacterial dressing 1 are attached around the patient's mouth and nose.

An arc-shaped front baffle 8 is arranged under the outer surface of the hydrogel antibacterial dressing 1 , the outer surface of the front baffle 8 is convex, and a self-adhesive material 1 3 is arranged on it, and the bottom of the front baffle 8 is connected Opaque collection bag 5 for collecting nasal or oral secretions of patients.

Among them, the hydrocolloid antibacterial dressing 1 is a new type of dressing that is widely used in clinical practice, and is made by mixing elastic polymeric hydrogel with synthetic rubber and adhesive. This type of dressing can absorb a small to moderate amount of exudate, and its airtightness can block the invasion of microorganisms, prevent skin damage due to bacterial infection, and provide a moist environment for the local area. It has the functions of antibacterial, bactericidal, moisturizing, and promoting healing. These characteristics can just prevent the extravasation of oral and nasal secretions. It is easy to use, soft and comfortable.

In a specific embodiment, the position of the front baffle 8 corresponds to the lower part of the patient's oral cavity, and the bottom position of the front baffle 8 corresponds to the lower jaw of the patient, so as to block and guide the patient's nasal and oral secretions to light-tight collection Bag 5. And can be provided with a funnel 9 and a check valve 4 at the entrance of the opaque collection bag 5, and the nasal and oral secretions of the front baffle 8 diversion enter the opaque collection bag 5 through the funnel 9 and the check valve 4.

The opaque collection bag 5 is equipped with a device capable of disinfecting pathogens. Specifically, ultraviolet light, alcohol, etc. can be used for disinfecting, or a combination of multiple methods can be used for disinfecting.

In a specific structure of the present invention, a bag 7 is connected to the bottom of the opaque collection bag 5, and a deep ultraviolet LED lamp inlet 14 is left on the side of the bag 7 for loading a reusable deep ultraviolet LED lamp 6. The LED light 6 is powered by an independent battery 13, which is more convenient to use. Between the bag 7 and the opaque collection bag 5 is a light-transmitting material layer 12, and the rest of the bag is an opaque layer. The walls 17 are all opaque layers to prevent exposure of ultraviolet light.

254nm deep ultraviolet light emitting diode can be selected for deep ultraviolet LED lamp 6. 254nm deep ultraviolet light can effectively kill all kinds of pathogens. It is a physical destruction process. By destroying the genetic material of pathogens, it cannot replicate, resulting in the inability of cells to survive, cell walls and viruses. Protein coats are not resistant to deep UV rays. Unlike chemical agents, it is not affected by chemical equilibrium conditions such as temperature, concentration and activity. Non-toxic, residue-free and odor-free.

When using alcohol to disinfect, the side surface of the opaque collection bag 5 is connected to the alcohol balloon 10 through the connecting pipeline 11.

In this embodiment, the material of the front baffle 8 can be divided into three layers, the outer layer is the self-adhesive material 3, the middle layer is the continuation of the front wall 17 of the opaque material, and the inner layer is the continuation of the hydrocolloid antibacterial dressing 1 . The middle layer front wall 17 and the inner layer hydrocolloid antibacterial dressing 1 can be pasted by self-adhesive adhesive.

The anti-cross-infection mask of the present invention can have two types, referring to FIG. 3 and FIG. 4, the common structure is: mask body 21, elastic band 18 and nose bridge support sheet 20, and an arc-shaped rear baffle 19 is provided below the mask body 21 , a support frame 24 is provided between the rear baffle 19 and the mask body 21 . The inner surface of the rear baffle 19 is provided with a second self-adhesive material 23, and the shape of the rear baffle 19 is the same as that of the front baffle 8. The baffle 19 is connected to the front baffle 8 . Among them, the material of the mask body 21 conforms to the functions of the US N95 standard filter material mask and the EU standard mask, which restricts the passage of viruses and prevents the spread and cross-infection of the virus in critically ill patients.

The material of the rear baffle 19 is the same as that of the mask body 21, and the inner layer is provided with a self-adhesive material 23, which can be connected to the mask body 21 by ordinary stitches.

The difference between the two models is that Figure 3 is model a. There is a preset hole 22 on the mask body 21 corresponding to the patient's mouth and nose. The oxygen supply tube and/or tracheal intubation can pass through, which is suitable for tracheal intubation. The patient with tube and oxygen inhalation tube, model b in Figure 4, is a conventional mask body 21, which is suitable for patients without tracheal intubation and oxygen inhalation tube.

According to the above-mentioned structure, the using method of the present invention is as follows:

For infectious critically ill patients, the hydrogel antibacterial dressing 1 and self-adhesive adhesive 15 should be attached around the patient's mouth and nose. Patients with intubation and oxygen inhalation tubes should wear anti-cross-infection masks b, and tracheal intubation and oxygen inhalation tubes can pass through the preset holes 22. This pipeline has an elastic function and fits the pipeline to play a sealing function. At the same time, the nose bridge support sheet 20 is fitted to the nose bridge.

When the secretions in the patient's mouth and nose enter the opaque collection bag 5, the open deep ultraviolet LED lamp 6 is put into the bag 7 through the inlet 14, and can be taken out in time after the disinfection is completed. At the same time, 75% alcohol can also be squeezed into the opaque collection bag 5 by squeezing the alcohol air bag 10. In view of the high volatility of alcohol and the high killing characteristics of pathogens, on the one hand, the unpleasant smell of secretions is covered, and at the same time, the The surface of the excipients around the nose and the microbial aerosol play a killing role. After use, take out the deep ultraviolet LED lamp 6, remove the anti-cross-infection mask and the nasal and oral secretion collection and disinfecting device. Except for the deep ultraviolet LED lamp 6, this device is a one-time product, and is disposed of as medical waste. The device can effectively avoid cross-infection caused by the spread of viruses, reduce the chance of medical staff being exposed to pathogens, and achieve harmless treatment; in addition, it has excellent air permeability and comfort, and the product cost is suitable.

Claims (10)

1. The utility model provides an oral and nasal protector based on physics and chemistry pathogen that disappears prevents cross infection which characterized in that, collects the device of disappearing and killing and prevents cross infection gauze mask including nose oral cavity secretion, wherein:

the nasal oral secretion collecting, sterilizing and killing device comprises self-adhesive glue (15) attached around the mouth and the nose of a patient, the outer surface of the self-adhesive glue (15) is attached to the inner surface of a hydrogel antibacterial dressing (1), an arc-shaped front baffle (8) is arranged below the outer surface of the hydrogel antibacterial dressing (1), a self-adhesive material I (3) is arranged on the outer surface of the front baffle (8), the bottom of the front baffle (8) is connected with a light-tight collecting bag (5) used for collecting nasal oral secretions of the patient, and the light-tight collecting bag (5) is provided with a device capable of sterilizing pathogens;

the anti-cross-infection mask comprises a mask body (21), wherein an arc-shaped rear baffle (19) is arranged below the mask body (21), a second self-adhesive material (23) is arranged on the inner surface of the rear baffle (19), the shape of the rear baffle (19) is consistent with that of the front baffle (8), and the rear baffle (19) is connected with the front baffle (8) through the adhesion of the second self-adhesive material (23) and the first self-adhesive material (3).

2. The device for preventing the oral and nasal diseases based on the physical and chemical sterilization of pathogens and the prevention of cross infection according to claim 1, characterized in that the self-adhesive glue (15) and the hydrogel antimicrobial dressing (1) are attached around the oral and nasal parts of the patients to form a preset hole I (2) for leaving the oral and nasal parts of the patients.

3. The oronasal shield for preventing cross-infection based on physico-chemical pathogen eradication according to claim 1, wherein the front baffle (8) is located corresponding to a lower portion of the mouth of the patient, and the bottom of the front baffle (8) is located corresponding to a lower jaw of the patient, and blocks and guides nasal and oral secretions of the patient to the light-tight collection bag (5).

4. The oronasal protection device based on the prevention of cross-infection of pathogen by physicochemical disinfection as claimed in claim 1, wherein the entrance of the light-tight collection bag (5) is provided with a funnel (9) and a check valve (4), and nasal oral secretion guided by the front baffle (8) enters the light-tight collection bag (5) through the funnel (9) and the check valve (4).

5. The mouth-nose protection device for preventing cross infection based on physicochemical killing of pathogens is characterized in that a bag (7) is connected to the bottom of the light-tight collection bag (5), a deep ultraviolet LED lamp inlet (14) is reserved on the side surface of the bag (7) and is used for containing a reusable deep ultraviolet LED lamp (6), a light-transmitting material layer (12) is arranged between the bag (7) and the light-tight collection bag (5), and the parts of the bag (7) which are not in contact with the light-tight collection bag (5) are non-light-transmitting layers so as to prevent ultraviolet light from being exposed.

6. The device for preventing cross-infection based on physicochemical killing of pathogens according to claim 5, wherein the deep ultraviolet LED lamp (6) is powered by a separate battery (13).

7. An oral-nasal protection device based on physical and chemical pathogen killing and prevention of cross infection according to claim 5 or 6, characterized in that the deep ultraviolet LED lamp (6) is a 254nm deep ultraviolet LED.

8. An oronasal shield based on physicochemical killing of pathogens to prevent cross-infection according to claim 1 or 5, wherein the sides of the light-tight collection bag (5) are connected to the alcohol balloon (10) by a connecting line (11).

9. The mouth-nose protection device for preventing cross infection based on physical and chemical killing of pathogens as claimed in claim 1, wherein the mouth mask for preventing cross infection has two specifications, one is provided with a second preset hole (22) on the mask body (21) corresponding to the mouth and nose of a patient, and is suitable for patients with trachea cannula and oxygen tube by allowing the trachea cannula and/or trachea cannula to pass through, and the other is a conventional mask body (21) suitable for patients without trachea cannula and oxygen tube.

10. The device for preventing the mouth and the nose based on the physical and chemical sterilization of the pathogens and the prevention of the cross infection according to the claim 1 or 9 is characterized in that a supporting frame (24) is arranged between the rear baffle (19) and the mask body (21).

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