CN212853667U - Protective hood - Google Patents

Abstract

The utility model discloses a protective hood, which comprises a mouth gag, an isolation mask, a bronchofiberscope channel and an isolation hood; the mouth gag right side is equipped with the isolation mask, the bronchofiberscope passageway is located the isolation mask right side, isolation hood cover is outside at the isolation mask, isolation hood both sides are equipped with integral type gloves to inside, it is equipped with perspective window to keep apart the hood top, perspective window below is equipped with the cassette. The utility model is scientific and reasonable, safe and convenient to use, can prevent pathogens spread by spray from scattering into an air pollution treatment room or ward in the bronchoscope diagnosis and treatment process, and avoids cross infection of medical staff and front and back patients; the patient infected by the respiratory virus can be safely taken away from public places; the double isolation filtration enables medical staff to avoid three-level protection, and reduces the burden of the medical staff; and the device can be externally connected with various passages such as a breathing machine, oxygen and the like, so that the patients are prevented from being anoxic and asphyxiated due to diagnosis and treatment, and the safety of each operation is improved.

Description

Protective hood

Technical Field

The utility model relates to the technical field of medical equipment, specifically a protection hood.

Background

Bronchoscope diagnosis and treatment is an operation of putting a fiber bronchoscope into a trachea through a nasal cavity or an oral cavity of a patient to diagnose or treat pathological changes (such as tumors or tracheal stenosis) in the trachea. Because the trachea belongs to the high-reactivity tissue, the patient is easy to generate severe cough in the operation process, and a large amount of respiratory tract liquid-gas mixture can be discharged out of the body along with the cough and dispersed into the air to pollute the surrounding environment, and common pathogens are transmitted by droplets: influenza virus, SARS virus, adenovirus, rhinovirus, mycoplasma, group A streptococcus and meningococcus (Neisseria), Mycobacterium tuberculosis, etc., which easily cause cross-infection of medical staff. Clinically, for respiratory tract related operations of patients, such as tracheal intubation, bronchoscope diagnosis and treatment and chest and lung surgery, medical staff need to perform two-stage half-to-three-stage medical protection, namely a negative pressure hood, two layers of whole body protective clothing and three to four layers of protective gloves. Meanwhile, a large amount of bacteria-carrying spray can be sprayed out from the mouth and the nose due to the chocking cough of a patient with a special respiratory tract caused by tracheal intubation or bronchoscope diagnosis, so that corners of a treatment room or a ward are polluted, the disinfection difficulty is caused, the disinfection time is prolonged, and the cross infection of the front patient and the rear patient is easily caused. And the medical environment needs to be marked out special medical areas with different grades, such as a clean area, a relatively clean area and a polluted area, and the medical environment is also a medical burden for the condition that a plurality of patients exist or the area of a hospital is limited.

The existing medical protective hood is mainly used by medical staff, the isolated medical staff still can pollute the environment for patients, such as ICU, intubation ward, heating outpatient service and the like, and the cross infection of the patients before and after the patients are caused. In the face of special respiratory virus infection environments such as SARS and the like, medical personnel need to carry out three-level protection. The three-stage protection is difficult to put on and take off, the putting on and taking off process is complex, a special putting on and taking off room is needed, and the protection more than two stages is inconvenient to use in a toilet due to poor air permeability and low mobility of medical workers, so that the medical workers are greatly burdened after long-term use. Meanwhile, in special environments such as special dense closed occasions of airplanes, high-speed rails, subways and the like, the environment is infected by respiratory viruses, no condition is provided for medical staff to carry out three-level protection at the moment, and how to take away the discovered respiratory virus infected person is also a big problem of not polluting the environment. The utility model designs a protective hood for patients, which can prevent pathogens spread by spray from dispersing into air in the process of bronchoscope diagnosis and treatment, avoid polluting treatment rooms or sickrooms, and avoid cross infection of medical staff and patients; also can bring the discovered respiratory virus infected persons away from public places without polluting the environment. Secondly, the utility model discloses be equipped with dual isolation and filter, first heavy through keeping apart face guard, filtration membrane and seal membrane, prevent that expired gas and droplet from discharging to the air from the bronchofiberscope passageway, the second is heavy through keeping apart hood, cassette etc. and keep apart whole shoulder position, finally makes medical staff need not to do tertiary protection, and save time has alleviateed medical staff's burden. Then, the sealing film is simple to use, only the channel main body needs to be rotated, the bronchoscope can be sealed with the inner wall of the channel main body, and the use is convenient and fast. Finally, the utility model discloses but various passageways such as external breathing machine, oxygen passageway assist the patient to breathe, prevent that the patient from diagnosing the oxygen deficiency that causes, suffocating, improved the security of operations such as bronchoscope is diagnose, trachea cannula. Therefore, there is a need for a protective hood that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective hood to solve the problems in the prior art, which comprises a mouth gag, an isolation mask, a bronchofiberscope channel and an isolation hood; the mouth gag right side is equipped with the isolation face guard, the bronchofiberscope passageway is located the isolation face guard right side, filtration membrane is installed to the left end in the bronchofiberscope passageway, passageway entrance interface is installed on bronchofiberscope passageway right side, it is outside at the isolation face guard to keep apart the head cover, keep apart the head cover both sides and inwards be equipped with integral type gloves, it is equipped with perspective window to keep apart the head cover top, the perspective window below is equipped with the cassette, be equipped with the connecting hole between the cassette.

The mouth gag is bitten by a patient in the mouth, is favorable for opening an oral cavity channel, and is favorable for operations such as bronchofiberscope diagnosis and treatment, trachea cannula and the like. The isolating mask covers the mouth and the nose of a patient to prevent spray from splashing, and can also be used as a breathing mask when being externally connected with a breathing machine. The bronchofiberscope channel is used for the bronchofiberscope to pass through, and the filtering membrane is favorable for blocking droplets and bacterial viruses. The channel inlet interface is beneficial to buckling a breathing tube of a breathing machine and is also an inlet for the bronchofiberscope to enter the bronchofiberscope channel. The isolation hood isolates the whole head and shoulders of the patient to prevent spray from splashing. The integrated gloves are beneficial to medical staff to adjust the position of the diagnosis and treatment instrument in the isolation hood, and the perspective window is beneficial to the operation of the medical staff and can observe the condition of a patient in the diagnosis and treatment process. The perspective window is provided with an antifogging layer to prevent fogging. The filter sheet is beneficial to exhaust the expired air in the isolation hood, prevents the patient from oxygen deficiency or asphyxia caused by overhigh carbon dioxide concentration in the isolation hood, and can filter virus or bacteria in the air to realize harmless emission. The connecting hole is favorable for realizing the connection between the bronchofiberscope channel and the isolating mask.

Preferably, the isolation mask comprises a balloon and a conical interface; the air bag is located below the isolation mask, an air bag inflation interface is arranged below the air bag, the conical interface is located in the center above the isolation mask, and a first pagoda joint and a second pagoda joint are arranged below the conical interface side by side.

The conical interface is favorable for connecting the bronchofiberscope channel, and the gasbag makes the better laminating patient face of isolation face guard, and improves the comfort. When the air in the air bag is insufficient, the air bag inflation interface can be used for inflating, and the air bag inflation interface is convenient and quick. The first pagoda joint and the second pagoda joint facilitate the connection of the oxygen pipeline and the ventilation pipeline and increase the sealing performance of the connection interface.

Preferably, the first pagoda joint is connected with an oxygen pipeline, so that oxygen can be supplied to the patient conveniently. The second pagoda joint is connected with a ventilation pipeline, and is favorable for exhausting the exhaled gas of the patient.

Preferably, the bronchofiberscope channel comprises a sealing membrane, a channel body and an anti-skid block; the upper end of the channel body is provided with a sealing film, so that the bronchoscope and the inner wall of the channel body can be sealed, and spray can be prevented from being discharged. The anti-slip block is positioned on the outer side of the channel main body, so that friction is increased, and medical staff can rotate the channel main body to seal the bronchofiberscope channel conveniently.

Preferably, the isolation mask and the isolation hood are connected through a clamping interface, the left end of the clamping interface is clamped with the conical interface of the isolation mask, and the right end of the clamping interface is rotatably connected with the bronchofiberscope channel, so that the bronchofiberscope channel is convenient to rotate.

Preferably, a filtering membrane is arranged between the clamping interface and the bronchofiberscope channel, so that viruses and bacteria in the gas can be filtered. The center of the filtering membrane is provided with a cross-shaped opening which is beneficial to the passing of the bronchofiberscope.

Preferably, a bundling rope is arranged below the isolation hood, and a bundling buckle is arranged on the bundling rope. The bundling buckle is used for fixing the adjusted bundling rope.

Preferably, the tightening buckle comprises a buckle sleeve and a movable core, the movable core is located inside the buckle sleeve, and the buckle sleeve is movably connected with the movable core. The movable core can adjust the tightness of the sealed isolation headgear according to the body type of a user.

Preferably, the sealing film is made of silicone, and has good sealing performance, aging resistance and long service life.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model designs a protective hood for patients, which can prevent pathogens spread by spray from dispersing into air in the process of bronchoscope diagnosis and treatment, avoid polluting treatment rooms or sickrooms, and avoid cross infection of medical staff and patients; also can bring the discovered respiratory virus infected persons away from public places without polluting the environment.

2. The utility model discloses be equipped with dual isolation and filter, first heavy through isolation face guard, filtration membrane and seal membrane, prevent that expired gas and droplet from discharging to the air from the bronchofiberscope passageway, the second is heavy through keeping apart hood, cassette etc. and keep apart whole head shoulder position, finally makes medical staff need not to do tertiary protection, and save time has alleviateed medical staff's burden.

3. The sealing membrane is simple to use, only the channel main body needs to be rotated, the bronchoscope can be sealed with the inner wall of the channel main body, and the use is convenient and fast.

4. The utility model discloses but various passageways such as external breathing machine, oxygen passageway assist the patient to breathe, prevent that the patient from diagnosing the oxygen deficiency that causes, suffocating, improved the security of operations such as bronchoscope is diagnose, trachea cannula.

Drawings

FIG. 1 is a schematic cross-sectional view of a left side of a protective hood according to the present invention;

FIG. 2 is a schematic view of a left side of a protective hood according to the present invention;

FIG. 3 is a schematic perspective view of an isolation mask of the protective hood of the present invention;

FIG. 4 is a schematic structural view of the protective hood of the present invention in an unsealed state when the bronchofiberscope channel is upright;

FIG. 5 is a schematic view of the structure of the protective hood in a sealing state when the bronchofiberscope channel is vertical;

FIG. 6 is a schematic view of an integrated glove structure of a protective head cover according to the present invention;

fig. 7 is a schematic view of the tightening buckle structure of the protective hood of the present invention

Reference numbers in the figures: 1. an integral glove; 2. a mouth gag; 3. an isolation mask; 3-1, air bags; 3-2, a conical interface; 3-3, a first pagoda joint; 3-4, a second pagoda joint; 3-5, an air bag inflation interface; 4. clamping the interface; 5. a filtration membrane; 6. a bronchofiberscope channel; 6-1, sealing film; 6-2, a channel body; 6-3, anti-skid blocks; 7. a channel entrance interface; 8. an isolation hood; 9. a perspective window; 10. a filter disc; 11. connecting holes; 12. a rope is collected; 13. a binding buckle is collected; 13-1, buckling and sleeving; 13-2 and a movable core 13-2.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-7, the utility model provides a technical proposal, which comprises a mouth gag 2, an isolation face mask 3, a bronchofiberscope channel 6 and an isolation hood 8; the mouth gag 2 is bitten in the mouth of a patient and is used for opening an oral cavity channel, thereby being beneficial to the operation of bronchofiberscope diagnosis and treatment, trachea intubation and the like. The right side of the mouth gag 2 is provided with an isolation mask 3 which covers the mouth and nose of a patient to prevent spray from splashing out and can also be used as a breathing mask when a breathing machine is externally connected. The bronchofiberscope channel 6 is positioned at the right side of the isolation mask 3 and is used for the bronchofiberscope to pass through. The left end in the bronchofiberscope channel 6 is provided with a filter membrane 5 for blocking droplets and bacteria and viruses. The right side of the bronchofiberscope channel 6 is provided with a channel inlet interface 7 for fastening a breathing tube of a breathing machine and simultaneously is an inlet for the bronchofiberscope to enter the bronchofiberscope channel 6. The isolation hood 8 covers the outside of the isolation mask 3 to isolate the whole head and shoulders of the patient and prevent the spray from splashing. The two sides of the isolation hood 8 are internally provided with the integrated gloves 1 for medical staff to adjust the position of the diagnosis and treatment instrument in the isolation hood 8. A perspective window 9 is arranged above the isolation hood 8 and is used for the operation of medical staff and can observe the condition of a patient in the diagnosis and treatment process. The inner side of the perspective window 9 is provided with an antifogging layer to prevent the perspective window 9 from fogging, which is convenient for medical staff to watch. A filter sheet 10 is arranged below the perspective window 9, so that the exhaled air in the isolation hood 8 can be discharged conveniently, the suffocation of a patient caused by overhigh concentration of carbon dioxide in the isolation hood 8 can be prevented, and viruses in the air can be filtered to realize harmless discharge; the shape of the filter sheet 10 may be rectangular, circular, or the like. A connecting hole 11 is arranged between the filter sheets 10 and is used for realizing the connection between the bronchofiberscope channel 6 and the isolating mask 3.

The isolation mask 3 comprises an air bag 3-1 and a conical interface 3-2; the air bag 3-1 is located below the isolation mask 3 so that the isolation mask 3 better conforms to the patient's face. An air bag inflation interface 3-5 is arranged below the air bag 3-1 and used for inflating the air bag 3-1. The conical interface 3-2 is located centrally above the isolating face mask 3 for connection to the bronchofiberscope channel 6. A first pagoda joint 3-3 and a second pagoda joint 3-4 are arranged below the conical interface 3-2 side by side, so that the oxygen pipeline and the ventilation pipeline are convenient to connect, and the sealing performance of the connecting interface part is improved.

The first pagoda joint 3-3 is connected with an oxygen pipeline for supplying oxygen to the patient. The second pagoda joint 3-4 is connected with a ventilation pipeline for exhausting the expired air of the patient.

The bronchofiberscope channel 6 comprises a sealing film 6-1, a channel main body 6-2 and an anti-skid block 6-3; the upper end of the channel main body 6-2 is provided with a sealing film 6-1, so that the bronchoscope and the inner wall of the channel main body 6-2 form sealing to prevent the discharge of spray. The anti-slip block 6-3 is positioned at the outer side of the channel main body 6-2, so that the friction force is increased, and the medical staff can rotate the channel main body 6-2 to seal the bronchofiberscope channel 6.

The isolation face mask 3 is connected with the isolation hood 8 through the clamping interface 4, the left end of the clamping interface 4 is clamped with the conical interface 3-2 of the isolation face mask 3, and the right end of the clamping interface 4 is rotatably connected with the bronchofiberscope channel 6, so that the bronchofiberscope channel 6 can rotate conveniently.

A filtering membrane 5 is arranged between the clamping interface 4 and the bronchofiberscope channel 6 and is used for filtering viruses and bacteria in the gas. The center of the filtering membrane 5 is provided with a cross-shaped opening which is convenient for the bronchofiberscope to pass through.

A binding rope 12 is arranged below the isolation hood 8, so that the isolation hood 8 is attached to a patient; the bundling buckle 13 is arranged on the bundling rope 12 to fix the adjusted bundling rope 12.

The bundling buckle 13 comprises a buckle sleeve 13-1 and a movable core 13-2, the movable core 13-2 is positioned inside the buckle sleeve 13-1, the buckle sleeve 13-1 is movably connected with the movable core 13-2, and the movable core 13-2 can adjust the tightness of the sealed isolation head sleeve 8 according to the body type of a user.

The sealing film 6-1 is the sealing film 6-1 made of silicone, and has good sealing performance, aging resistance and long service life.

The utility model discloses a theory of operation is: when the device is used, a patient bites the mouth gag 2, the isolation mask 3 is attached to the face of the patient, the conical connector 3-2 on the isolation mask 3 is clamped with the clamping connector 4, the first pagoda joint 3-3 on the isolation mask 3 is connected with an oxygen pipeline, and the second pagoda joint 3-4 is connected with a ventilation pipeline. Then the isolation head cover 8 is sleeved, the tightening rope 12 is tightened, and the tightening buckle 13 is adjusted to a proper position to fix the tightening rope 12, so that the head and the shoulder parts of the isolation head cover 8 are sealed. Then, the bronchofiberscope channel 6 is rotatably connected to the clamping interface 4, the bronchofiberscope enters through a channel inlet interface 7 in front of the bronchofiberscope channel 6, sequentially passes through the channel main body 6-2, the sealing film 6-1, the filtering film 5 and the mouth gag 2, and finally reaches the trachea. The sealing film 6-1 seals the bronchofiberscope with the inner wall of the channel body 6-2 by rotating the bronchofiberscope channel 6. The condition of the patient can be observed through the perspective window 9, if oxygen deficiency and asphyxia occur, the oxygen flow of the oxygen pipeline can be adjusted to be large, and the breathing tube of the breathing machine can be buckled on the channel inlet interface 7 for oxygen supply. If only used to take infected persons away from public, the mouth gag 2, oxygen line and ventilation line need not be used.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. A protective hood, characterized by: comprises a mouth gag (2), an isolation mask (3), a bronchofiberscope channel (6) and an isolation hood (8); mouth gag (2) right side is equipped with isolation face guard (3), bronchofiberscope passageway (6) are located isolation face guard (3) right side, filtration membrane (5) are installed to the left end in bronchofiberscope passageway (6), passageway entry interface (7) are installed on bronchofiberscope passageway (6) right side, it is outside at isolation face guard (3) to keep apart hood (8) cover, keep apart hood (8) both sides and be equipped with integral type gloves (1) to inside, it is equipped with perspective window (9) to keep apart hood (8) top, perspective window (9) below is equipped with cassette (10), be equipped with connecting hole (11) between cassette (10).

2. A protective hood as claimed in claim 1, wherein: the isolation mask (3) comprises an air bag (3-1) and a conical interface (3-2); the air bag (3-1) is located below the isolation mask (3), an air bag inflation connector (3-5) is arranged below the air bag (3-1), the conical connector (3-2) is located in the center above the isolation mask (3), and a first pagoda connector (3-3) and a second pagoda connector (3-4) are arranged below the conical connector (3-2) side by side.

3. A protective hood as claimed in claim 2, wherein: the first pagoda joint (3-3) is connected with an oxygen pipeline, and the second pagoda joint (3-4) is connected with a ventilation pipeline.

4. A protective hood as claimed in claim 1, wherein: the bronchofiberscope channel (6) comprises a sealing film (6-1), a channel main body (6-2) and an anti-skid block (6-3); the upper end of the channel main body (6-2) is provided with a sealing film (6-1), and the anti-skid block (6-3) is positioned on the outer side of the channel main body (6-2).

5. A protective hood as claimed in claim 2, wherein: the isolation mask (3) is connected with the isolation hood (8) through a clamping interface (4), the left end of the clamping interface (4) is connected with a conical interface (3-2) of the isolation mask (3) in a clamping mode, and the right end of the clamping interface (4) is connected with the bronchofiberscope channel (6) in a rotating mode.

6. A protective hood as claimed in claim 5, wherein: a filtering membrane (5) is arranged between the clamping interface (4) and the bronchofiberscope channel (6), and a cross-shaped opening is formed in the center of the filtering membrane (5).

7. A protective hood as claimed in claim 1, wherein: a binding rope (12) is arranged below the isolation hood (8), and a binding buckle (13) is arranged on the binding rope (12).

8. A protective hood as claimed in claim 7, wherein: the bundling buckle (13) comprises a buckle sleeve (13-1) and a movable core (13-2), the movable core (13-2) is positioned in the buckle sleeve (13-1), and the buckle sleeve (13-1) is movably connected with the movable core (13-2).

9. A protective hood as claimed in claim 4, wherein: the sealing film (6-1) is made of silicone and is the sealing film (6-1).

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