CN111420317B

CN111420317B - Protective hood and use method thereof

Info

Publication number: CN111420317B
Application number: CN202010389433.6A
Authority: CN
Inventors: 刘毅
Original assignee: Tongji Medical College of Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology
Priority date: 2020-05-10
Filing date: 2020-05-10
Publication date: 2023-06-27
Anticipated expiration: 2040-05-10
Also published as: CN111420317A

Abstract

The invention belongs to the technical field of medical supplies, and particularly relates to a protective hood and a use method thereof. The oily film layer of the protective hood has hydrophobicity, and reduces adhesion of liquid and the like on the outer side of the protective hood. The protective hood can be quickly worn and taken off through the openable and closable opening and the connecting structure positioned at the back, and the positions of the connecting structure and the like are prevented from being splashed and polluted by liquid such as liquid medicine, blood of a patient, body fluid and the like in the medical treatment process. According to the invention, the air in the protective hood can be circulated and purified through the ventilation pore canal of the pipeline layer and the through hole of the skin-friendly layer by the circulating ventilation device, so that the uncomfortable feeling of a user is reduced. While properly discharging sweat and the like adsorbed by the skin-friendly layer.

Description

Protective hood and use method thereof

Technical Field

The invention belongs to the technical field of medical supplies, and particularly relates to a protective hood and a use method thereof.

Background

When medical staff carries out medical operation, in order to play isolation and protection effect, generally, the mouth and nose utilize the gauze mask, or wear sanitary cap on the head and protect, gauze mask and sanitary cap cooperation can reach safety and sanitation's effect to a certain extent. However, other parts of the face, except the mouth and nose, including the neck, are still exposed to the outside, are easy to infect, and particularly suffer from diseases with relatively strong infectivity, such as the severe infectious diseases of the pneumonia or atypical pneumonia of the novel coronavirus infection, and the like, which bring great risks to medical staff. In the prior art, a protective cover or protective clothing with a cape structure is adopted, so that medical staff is exposed at the outer part, and the risk of infection of the medical staff is reduced.

For example, the chinese patent 201520051699.4 discloses a medical disposable protective hood, collects protective mask, protective eye-shade and helmet in an organic whole, effectively avoids the inhalation of harmful virus and bacterium in the air, brings better safer protection for medical personnel and user to get into all effective protective virus, bacterium in infectious contaminated site.

However, the protective hood is provided with only one breathing filter device positioned on the face, and other parts are closed. When the protective hood is airtight inside and outside, the user can sweat and reject heat easily when the protective hood is used for a long time, the physical strength of the user can be accelerated to be reduced, medical care work can be influenced, and even syncope and the like are caused by dehydration.

After long-time use, pressure sores are easily generated at the contact position of the face of a user and the edge of the opening of the protective hood.

Disclosure of Invention

The invention aims at overcoming the defects of the prior art and provides a protective hood and a using method thereof.

The technical scheme of the invention is as follows: a protective head cover comprises a head cover body, a shoulder part connected to the lower surface of the head cover body, a face opening positioned in front of the head cover body, and an openable opening positioned at the rear of the head cover body.

Pressure sore prevention filler strips are arranged on the inner side around the face opening; the pressure sore prevention pad strip is sequentially provided with a sponge layer and a gel layer towards the head cover body. The pressure sore prevention filler strip can prevent pressure sore at the corresponding position of the facial opening after a user uses the head cover body for a long time.

The openable and closable opening extends downwards to the lower end of the cape part; connecting structures are arranged on two sides of the openable opening; the head cover body and the cape part are integrally manufactured.

The protective hood can be quickly worn and taken off through the openable and closable opening and the connecting structure positioned at the back, and the positions of the connecting structure and the like are prevented from being splashed and polluted by liquid such as liquid medicine, blood of a patient, body fluid and the like in the medical treatment process.

The connecting structure may be a zipper structure.

The head cover body sequentially comprises a skin-friendly layer, a pipeline layer, an isolation layer, a supporting layer and an oily membrane layer from inside to outside. The oily film layer has hydrophobicity, and reduces adhesion of liquid and the like on the outer side of the protective hood.

The pipeline layer is provided with a plurality of ventilation channels; the skin-friendly layer is provided with a through hole communicated with the ventilation pore canal; the top of the head cover body is provided with a circulating ventilation device; the circulating ventilation device is communicated with the ventilation pore canal through a connecting pipe.

When the protective hood is used, the air in the protective hood can be circulated and purified through the ventilation pore canal of the pipeline layer and the through hole of the skin-friendly layer through the circulating ventilation device, so that discomfort of a user is reduced. While properly discharging sweat and the like adsorbed by the skin-friendly layer.

Further, the skin-friendly layer is made of combed cotton through weaving.

The combed cotton is light and soft, is not easy to crush the skin of a user after long-time use, has strong water absorption, and is favorable for perspiration and ventilation.

Further, the two sides of the openable opening are provided with tightness adjusting mechanisms; the tightness adjusting mechanism is used for adjusting tightness degree of the hood body.

At this time, the protective hood can be effectively and quickly fixed on the head of the user through the tightness adjusting mechanism.

Further, the tightness adjusting mechanism comprises a movable sheet and a fixed sheet; the movable piece and the fixed piece are respectively fixed on two sides of the opening which can be opened and closed; one side of the movable piece far away from the fixed piece is fixedly connected with the head cover body; the other side of the movable plate extends to the fixed plate; when the tightness adjusting mechanism is used, the movable piece is partially connected and covered on the fixed piece, and the opening can be opened and closed at the moment, and the connecting structure is positioned at the inner side of the tightness adjusting mechanism.

The movable piece and the fixed piece of the tightness adjusting structure can be a magic tape combined structure, a flexible magnetic block and magnetic sheet combined structure or other structures with adhesion functions. The tightness adjusting structure is simple, convenient and quick to use and operate.

Further, the connecting pipe comprises an air inlet connecting pipe and an air outlet connecting pipe; the circulating ventilation device comprises a circulating pump, an air inlet module, a purifying module and an outer through port; a filter element is arranged in the purification module; the outer through hole is arranged at a position close to the filter element. The circulating ventilation device is communicated with the protective hood through a connecting pipe to realize circulating ventilation and air purification.

Further, the supporting layer positioned at the top of the head cover body is provided with a mounting port matched with the circulating ventilation device; a reinforcing ring is arranged on the inner side of the mounting opening; the circulating ventilation device is detachably arranged at the top of the head cover body through the reinforcing ring; a curved top plate is arranged on the inner side of the top of the head cover body; a supporting frame is connected between the curved top plate and the circulating ventilation device; the connecting pipe is positioned between the head cover body and the curved surface top plate.

Further, a soft cushion layer is arranged below the curved top plate. The cushion layer can play a certain role in damping and is also helpful for the curved top plate to be abutted against the top of the head of a user.

Further, two sides of the upper part of the head cover body are respectively provided with a face cover seat; a transparent mask arranged at the front side of the face opening; the rear side of the transparent mask is detachably arranged on the mask seat.

The detachable transparent mask can further prevent the user from being spittle, liquid splash, etc. during the medical operation.

A method of using a protective hood, comprising: the method comprises the following steps:

s1: wearing operation:

opening the connecting structure to enable the openable and closable opening to be in an open state, and putting the head cover body and the cape part on the head of a user;

then the openable and closable opening is closed through a connecting structure; the tightness adjusting mechanism is adjusted to fix the head cover body on the head of a user;

when the wearer wears the garment, the curved top plate is propped against the top of the head of the user;

s2: ventilation operation:

starting a circulating ventilation device to enable air in the hood body to flow circularly, and exchanging and circulating the air with external air through the circulating ventilation device;

s3: wearing a transparent mask:

the side edge of the transparent mask is fixedly arranged on the mask seat.

The invention has simple and convenient use and operation, and the components are detachably connected, so that the invention is convenient to wear and use.

By adopting the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the air in the protective hood can be circulated and purified through the ventilation pore canal of the pipeline layer and the through hole of the skin-friendly layer by the circulating ventilation device, so that the uncomfortable feeling of a user is reduced. Meanwhile, sweat and the like adsorbed by the skin-friendly layer are properly discharged, so that the ventilation between the inner environment and the outer environment of the protective hood is improved, and the ventilation performance is improved.

2. The oily film layer of the protective hood has hydrophobicity, so that liquid and the like are reduced from adhering to the outer side of the protective hood.

3. The pressure sore prevention filler strip can prevent pressure sore at the corresponding position of the facial opening after a user uses the head cover body for a long time.

4. The protective hood can be quickly worn and taken off through the openable and closable opening and the connecting structure positioned at the back, and the positions of the connecting structure and the like are prevented from being splashed and polluted by liquid such as liquid medicine, blood of a patient, body fluid and the like in the medical treatment process.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a sectional view showing the structure of a protective hood according to embodiment 1 of the present invention;

FIG. 3 is a schematic rear view of the present invention;

fig. 4 is a rear view of the present invention in use.

FIG. 5 is a schematic structural diagram of embodiment 2;

FIG. 6 is a schematic view showing the connection structure of the circulating ventilation apparatus and the protective hood according to embodiment 2;

FIG. 7 is a schematic view of the portion A in FIG. 5;

FIG. 8 is a schematic diagram of the structure of embodiment 3;

fig. 9 is a schematic structural view of the pressure sore prevention filler strip.

The main reference numerals illustrate:

1. a head cover body; 2. shoulder covering; 3. a face opening; 4. the opening can be opened and closed; 5. a connection structure; 6. a skin-friendly layer; 7. a support layer; 8. an oily film layer; 9. a mask; 10. a tightness adjusting mechanism; 11. a movable plate; 12. a fixing piece; 13. a pipe layer; 14. an isolation layer; 15. a ventilation duct; 16. a through hole; 17. a circulating ventilation device; 18. a connecting pipe; 19. a circulation pump; 20. an air intake module; 21. a purification module; 22. an outer port; 23. a filter element; 24. a mounting port; 25. a reinforcing ring; 26. a curved top plate; 27. a support frame; 28. a soft cushion layer; 29. a mask base; 30. a transparent mask; 31. pressure sore prevention filler strips; 32. a sponge layer; 33. a gel layer.

Detailed Description

The invention is further described below with reference to the drawings and specific examples.

Directional terms referred to in this invention are, for example: the terms upper, lower, left, right, inner, outer, etc. are only referring to fig. 1 of the specification. Accordingly, the directional terminology is used for purposes of illustration only and is not intended to be limiting of the invention.

Example 1

As shown in fig. 1 to 4, the present invention describes a protective hood comprising a hood body 1, a shoulder 2 attached to the lower side of the hood body 1, a face opening 3 located in front of the hood body 1, and an openable and closable opening 4 located in rear of the hood body 1.

When in use, a user can wear the mask 9 first and then use the protective hood of the invention.

The openable and closable opening 4 extends downwards to the lower end of the cape part 2; the two sides of the openable opening 4 are provided with connecting structures 5; the head cover body 1 and the cape part 2 are integrally manufactured.

As shown in fig. 9, the inner side of the periphery of the face opening 3 is provided with a pressure sore prevention pad strip 31; the pressure sore prevention filler strip 31 is sequentially provided with a sponge layer 32 and a gel layer 33 towards the head cover body. The pressure sore prevention filler strip 31 can prevent pressure sore from being generated at the corresponding position of the face opening 3 after the user uses the head cover body for a long time.

The protective hood can be quickly worn and taken off through the openable and closable opening 4 and the connecting structure 5 which are positioned at the back, and the positions of the connecting structure 5 and the like are prevented from being splashed and polluted by liquid medicine, blood, body fluid and the like of a patient in the medical treatment process.

The connecting structure 5 may be a zipper structure.

The head cover body 1 sequentially comprises a skin-friendly layer 6, a supporting layer 7 and an oily membrane layer 8 from inside to outside. The supporting layer 7 is made of silica gel.

The oily film layer 8 has hydrophobicity, and reduces adhesion of liquid and the like to the outside of the protective hood.

The skin-friendly layer 6 is made of combed cotton through braiding. The supporting layer 7 is made of a material harder than combed cotton.

The two sides of the openable and closable opening 4 are provided with an tightness adjusting mechanism 10; the tightness adjusting mechanism 10 is used for adjusting the tightness of the head cover body 1.

At this time, the protective hood is effectively and quickly fixed to the head of the user by the tightness adjustment mechanism 10.

The tightness adjusting mechanism 10 comprises a movable plate 11 and a fixed plate 12; the movable piece 11 and the fixed piece 12 are respectively fixed on two sides of the openable opening 4; one side of the movable piece 11 far away from the fixed piece 12 is fixedly connected with the head cover body 1; the other side of the movable piece 11 extends toward the fixed piece 12; when the tightness adjusting mechanism 10 is used, the movable piece 11 is partially connected and covered on the fixed piece 12, and the openable opening 4 and the connecting structure 5 are positioned at the inner side of the tightness adjusting mechanism 10.

The movable piece 11 and the fixed piece 12 of the tightness adjusting structure 10 can be a magic tape combined structure, a flexible magnetic block and magnetic sheet combined structure or other structures with adhesion functions. Such a slack adjuster structure 10 is simple and quick to use and operate.

Example 2

Based on the embodiment 1, as shown in fig. 5-7, a pipeline layer 13 and an isolation layer 14 are further arranged between the skin-friendly layer 6 and the supporting layer 7; the pipeline layer 13 is provided with a plurality of ventilation holes 15; the skin-friendly layer 6 is provided with a through hole 16 communicated with the ventilation duct 15; the top of the head cover body 1 is provided with a circulating ventilation device 17; the circulating ventilation device 17 is communicated with the ventilation pore canal 15 through a connecting pipe 19.

When in use, the air inside the protective hood can be circulated and purified through the ventilation pore canal 15 of the pipeline layer 13 and the through hole 16 of the skin-friendly layer 6 by the circulating ventilation device 17, so that the uncomfortable feeling of a user is reduced. While properly discharging sweat and the like adsorbed by the skin-friendly layer 6.

The circulating ventilation device 17 comprises a circulating pump 19, an air inlet module 20, a purifying module 21 and an outer through port 22; a filter element 23 is arranged in the purification module 21; the outer port 22 is provided at a position close to the filter element 23. The circulating ventilation device 17 is communicated with the protective hood through a connecting pipe 18 to realize circulating ventilation and air purification.

The supporting layer 7 positioned at the top of the head cover body 1 is provided with a mounting port 24 matched with the circulating ventilation device 17; a reinforcing ring 25 is arranged on the inner side of the mounting opening 24; the reinforcing ring 25 may be made of plastic or metal, and has a hardness greater than that of the protective hood.

The circulating ventilation device 17 is detachably arranged on the top of the head cover body 1 through a reinforcing ring 25; a curved top plate 26 is arranged on the inner side of the top of the head cover body 1; a supporting frame 27 is connected between the curved top plate 26 and the circulating ventilation device 17; the connecting pipe 28 is positioned between the hood body 1 and the curved top plate 26.

The circulating ventilation device 17 is detachably connected to the top of the protective hood, so that the device is convenient for daily maintenance; and the protective head cover is convenient to clean and disinfect after being detached from the protective head cover.

A cushion layer 28 is arranged below the curved top plate 26. The cushion layer 28 provides a certain shock absorbing function and also helps the curved top plate 26 to abut against the top of the user's head.

Example 3

Based on embodiment 1 or embodiment 2, as shown in fig. 8, a mask seat 29 is respectively disposed on two sides of the upper portion of the hood 1 according to the present invention; a transparent mask 30 arranged on the front side of the face opening 3; the rear side of the transparent mask 30 is detachably mounted to the mask base 29.

The removable transparent mask 30 further prevents the user from spitting, splashing, etc. during medical procedures.

Example 4

s1: wearing operation:

s2: ventilation operation:

s3: wearing a transparent mask:

the side edge of the transparent mask is fixedly arranged on the mask seat.

Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A protective hood, characterized in that: comprises a head cover body, a shoulder part connected to the lower part of the head cover body, a face opening positioned in front of the head cover body, and an openable opening positioned at the rear of the head cover body; pressure sore prevention filler strips are arranged on the inner side around the face opening; the pressure sore prevention pad strip is sequentially provided with a sponge layer and a gel layer towards the head cover body; the openable and closable opening extends downwards to the lower end of the cape part; connecting structures are arranged on two sides of the openable opening; the two sides of the opening capable of being opened and closed are provided with tightness adjusting mechanisms; the tightness adjusting mechanism is used for adjusting tightness degree of the head cover body; the head cover body and the cape part are integrally manufactured; the head cover body sequentially comprises a skin-friendly layer, a pipeline layer, an isolation layer, a supporting layer and an oily membrane layer from inside to outside; the pipeline layer is provided with a plurality of ventilation channels; the skin-friendly layer is provided with a through hole communicated with the ventilation pore canal; the top of the head cover body is provided with a circulating ventilation device; the circulating ventilation device is communicated with the ventilation pore canal through a connecting pipe, and two sides of the upper part of the head cover body are respectively provided with a face cover seat; a transparent mask arranged at the front side of the face opening; the rear side of the transparent mask is detachably arranged on the mask seat.

2. A protective headgear according to claim 1, wherein: the skin-friendly layer is made of combed cotton through braiding.

3. A protective headgear according to claim 1, wherein: the tightness adjusting mechanism comprises a movable sheet and a fixed sheet; the movable piece and the fixed piece are respectively fixed on two sides of the opening which can be opened and closed; one side of the movable piece far away from the fixed piece is fixedly connected with the head cover body; the other side of the movable plate extends to the fixed plate; when the tightness adjusting mechanism is used, the movable piece is partially connected and covered on the fixed piece, and the opening can be opened and closed at the moment, and the connecting structure is positioned at the inner side of the tightness adjusting mechanism.

4. A protective headgear according to claim 1, wherein: the supporting layer is made of a material harder than combed cotton.

5. A protective headgear according to claim 1, wherein: the connecting pipe comprises an air inlet connecting pipe and an air outlet connecting pipe; the circulating ventilation device comprises a circulating pump, an air inlet module, a purifying module and an outer through port; a filter element is arranged in the purification module; the outer through hole is arranged at a position close to the filter element.

6. A protective headgear according to claim 1, wherein: the supporting layer positioned at the top of the head cover body is provided with a mounting port matched with the circulating ventilation device; a reinforcing ring is arranged on the inner side of the mounting opening; the circulating ventilation device is detachably arranged at the top of the head cover body through the reinforcing ring; a curved top plate is arranged on the inner side of the top of the head cover body; a supporting frame is connected between the curved top plate and the circulating ventilation device; the connecting pipe is positioned between the head cover body and the curved surface top plate.

7. A protective headgear according to claim 6, wherein: and a soft cushion layer is arranged below the curved top plate.

8. A method of using a protective hood according to any one of claims 1-7, wherein: the method comprises the following steps:

s1: wearing operation:

s2: ventilation operation:

s3: wearing a transparent mask:

the side edge of the transparent mask is fixedly arranged on the mask seat.