CN219721732U

CN219721732U - Head mask for medical isolation

Info

Publication number: CN219721732U
Application number: CN202320312147.9U
Authority: CN
Inventors: 陈海兵
Original assignee: Third Xiangya Hospital of Central South University
Current assignee: Third Xiangya Hospital of Central South University
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-09-22
Anticipated expiration: 2033-02-24

Abstract

The utility model belongs to the technical field of medical protection devices, and discloses a head mask for medical isolation, which comprises a head mask body, wherein a transparent perspective panel and a goggles assembly are arranged at the front of the head mask body corresponding to eye positions; the head mask for medical isolation is a positive pressure protective mask, water mist at the front eye position of the head mask body is eliminated conveniently through the demisting air pipe, the head mask is convenient to wear through the neck elastic connecting ring and the annular air bag, and the porous cotton cores are arranged in the air inlet pipe, the demisting air pipe and the air outlet pipe, so that noise is reduced conveniently, and noise generated by air flows in the air inlet pipe, the demisting air pipe and the air outlet pipe is prevented from affecting a wearer.

Description

Head mask for medical isolation

Technical Field

The utility model relates to a head mask for medical isolation, and belongs to the technical field of medical protection devices.

Background

When preventing the transmission, isolation and prevention of infection of pathogenic microorganisms from the patient to medical staff, wearing formula medical protection hood is usually used, such as application number CN202023213552.0, a foldable protection isolation hood comprises a head hood, the lower end of the head hood is provided with a shoulder hood, the head hood with be provided with tensile adapter sleeve between the shoulder hood, the one end of the head hood is connected with the ventilation mechanism, has satisfied the needs of wearer isolation protection and breathing ventilation, but this protection isolation hood has following defects: 1, as the head of a wearer is completely covered and isolated by the protective isolation headgear, the gas exhaled by the wearer is easy to attach to the inner side surface of the mask, so that fog is easy to be generated on the inner side surface of the mask, the sight of medical staff is influenced, and when the fog is cleaned on the mask, the whole epidemic prevention headgear is required to be taken down and then is erased by the wiping cloth, so that the convenience of the epidemic prevention headgear in use is greatly reduced; 2, through the fan to this protection isolation headgear in the air supply, can form the malleation in protection isolation headgear (the atmospheric pressure in the protection isolation headgear is greater than outside atmospheric pressure), the air current through fan input can have the noise, can influence or reduce wearer's hearing.

Disclosure of Invention

The utility model aims to provide a head mask for medical isolation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a head cover that medical isolation used, includes the head cover body, the head cover body openly corresponds the wearer eye position and is equipped with transparent perspective panel, be equipped with the goggles subassembly on the transparent perspective panel outer wall, head cover body rear side is connected with the intake pipe, the top and the head cover body top rear side of intake pipe are connected and are linked together with the inside head cover body, the intake pipe lower extreme is equipped with quick coupling, the internal top of head cover is equipped with the defogging trachea, defogging tracheal upper end is linked together with the intake pipe, the lower extreme orientation head cover body openly corresponds wearer eye position, head cover body lower part side is equipped with the outlet duct, head cover body one end is kept away from to the outlet duct is equipped with the check valve that gives vent to anger, head cover body's lower extreme opening part is connected with neck elastic connection circle, elastic connection circle's lower extreme fixedly connected with covers the shoulder lower hem.

Preferably, a filter window is arranged at the lower part of the front surface of the head mask body, a filter plate is fixedly connected in the filter window, and a sealing film which can be torn is arranged at the outer side of the filter window.

Preferably, the air inlet pipe, the demisting air pipe and the air outlet pipe are internally provided with porous cotton cores.

Preferably, the inner wall of the neck elastic connecting ring is provided with an annular air bag, and the outer wall of the neck elastic connecting ring is provided with a one-way air inlet valve communicated with the annular air bag.

Preferably, the one-way air inlet valve comprises a shell fixedly connected with the outer wall of the neck elastic connecting ring, an air outlet hole is formed in one end, close to the neck elastic connecting ring, of the shell, an air inlet hole is formed in one end, far away from the neck elastic connecting ring, of the shell, a reset spring is fixedly connected to one end, close to the neck elastic connecting ring, of the shell, and a rubber sealing gasket is fixedly connected to one end, far away from the neck elastic connecting ring, of the reset spring.

Preferably, an audible-visual annunciator is arranged at the top of the shoulder covering lower hem, a storage bag is arranged on the front surface of the shoulder covering lower hem, and dry paper towels are arranged in the storage bag.

Preferably, the goggles assembly comprises a goggle mounting groove fixedly arranged on two sides of the front surface of the head mask body, a lower goggle lens is slidably connected in the goggle mounting groove, an upper goggle lens is lapped on the top of the lower goggle lens, the lower end of the upper goggle lens is slidably connected with the upper end of the goggle mounting groove, arc-shaped limiting grooves are respectively arranged on the upper parts and the lower parts of the two sides of the upper goggle lens and the lower goggle lens, arc-shaped limiting blocks matched with the arc-shaped limiting grooves are arranged on the inner wall of the goggle mounting groove, a goggle protective sleeve is coated outside the upper goggle lens, one side of the lower end of the goggle protective sleeve close to the head mask body is in contact and sealing connection with the outer wall of the head mask body, the upper end of the goggle protective sleeve is connected with the head mask body through a snap fastener or a magic tape,

preferably, the end face of the lower end of the demisting air pipe is an inclined plane.

Advantageous effects

The head mask for medical isolation is a positive pressure protective mask, the air pressure in the head mask body is larger than the external air pressure, so that external polluted air can be effectively prevented from entering the head mask through a gap between the head mask and the neck of a wearer, the upper goggle lens is conveniently protected by arranging the air outlet towards the defogging air pipe corresponding to the eye position of the wearer on the front surface of the head mask body 1, water mist corresponding to the eye position of the wearer on the front surface of the head mask body is conveniently eliminated, the head mask is conveniently worn by the wearer by arranging the neck elastic connecting ring, the annular air bag is arranged on the inner side of the neck elastic connecting ring, the gap between the neck elastic connecting ring and the neck of the wearer is conveniently sealed, the lower goggle lens is conveniently replaced by arranging the upper goggle lens above the lower goggle lens, the upper goggle lens is conveniently protected, the upper goggle lens is conveniently polluted by arranging the porous cotton core inside the air inlet pipe, the defogging air pipe and the air outlet pipe, and the noise of the air flow in the air outlet pipe is conveniently silenced, and the air flow in the air outlet pipe is conveniently prevented from influencing the wearer.

Drawings

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

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the goggle assembly of the present utility model;

fig. 4 is an enlarged view at a in fig. 2.

In the figure: 1. a head mask body; 2. a transparent see-through panel; 3. an air inlet pipe; 4. a quick pipe joint; 5. a defogging air pipe; 6. an air outlet pipe; 7. an air outlet one-way valve; 8. a neck elastic connecting ring; 9. shoulder covering lower hem; 10. a filter window; 11. a filter sheet; 12. a goggle mounting groove; 13. a lower goggle lens; 14. an upper goggle lens; 15. an arc-shaped limit groove; 16. an arc-shaped limiting block; 17. protective cover for goggles; 18. an annular air bag; 19. a one-way air inlet valve; 20. a housing; 21. an air inlet hole; 22. a return spring; 23. a rubber gasket seal; 24. a wireless voice communication device; 25. an audible and visual alarm; 26. and (5) a storage bag.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the present utility model provides a technical solution: a head mask for medical isolation comprises a head mask body 1, wherein the head mask body 1 fully covers the head of a wearer, the head mask is a hollow sphere, an ellipsoid or a cylinder, the head mask body 1 is made of acrylic or plastic film, a transparent perspective panel 2 is arranged on the front surface of the head mask body 1 corresponding to the eye position of the wearer, a goggle component is arranged on the outer wall of the transparent perspective panel 2 and comprises goggle mounting grooves 12 fixedly arranged on two sides of the front surface of the head mask body 1, lower goggle lenses 13 are slidably connected in the goggle mounting grooves 12, upper goggle lenses 14 are lapped on the top of the lower goggle lenses 13, the lower ends of the upper goggle lenses 14 are slidably connected on the upper ends of the goggle mounting grooves 12, the transparent perspective panel 2, the lower goggle lenses 13 and the upper goggle lenses 14 are made of PC polycarbonate, the upper part and the lower part of the two sides of the upper goggle lens 14 and the lower goggle lens 13 are respectively provided with an arc limiting groove 15, the inner wall of the goggle mounting groove 12 is provided with an arc limiting block 16 which is matched with the arc limiting groove 15, the outside of the upper goggle lens 14 is coated with a goggle protective sleeve 17, one side of the lower end of the goggle protective sleeve 17 close to the head cover body 1 is attached to the outer wall of the head cover body 1 and is in sealing connection, the upper end of the goggle protective sleeve 17 is connected with the head cover body 1 through a snap fastener or a magic tape, the rear side of the head cover body 1 is connected with an air inlet pipe 3, the top end of the air inlet pipe 3 is connected with the rear side of the top of the head cover body 1 and is communicated with the inside of the head cover body 1, the lower end of the air inlet pipe 3 is provided with a quick pipe joint 4, the quick pipe joint 4 in the embodiment is a luer joint and is connected with a positive pressure clean air source, the air pressure of the positive pressure clean air source in the embodiment is 106-120KPa, the top is equipped with defogging trachea 5 in the head guard body 1, the upper end and the intake pipe 3 of defogging trachea 5 are linked together, the lower extreme corresponds the wearer eye position towards head guard body 1 openly, be convenient for eliminate head guard body 1 openly and correspond the water smoke of wearer eye position, head guard body 1 lower part side is equipped with outlet duct 6, outlet duct 6 keeps away from head guard body 1 one end and is equipped with the check valve 7 of giving vent to anger, intake pipe 3, defogging trachea 5 and outlet duct 6 inside all are equipped with porous cotton core, be convenient for amortize, avoid the air current in intake pipe 3, defogging trachea 5 and the outlet duct 6 to send noise to influence the wearer, but still filtered air, head guard body 1's lower extreme opening part is connected with neck elastic connection circle 8, neck elastic connection circle 8's lower extreme fixedly connected with covers shoulder hem 9, in this embodiment, cover shoulder hem 9 is made by cotton or non-woven fabrics, cover shoulder hem 9 top is equipped with audible-visual annunciator 25, cover shoulder hem 9's front is equipped with accomodate bag 26, be equipped with in accomodate bag 26, be convenient for clean goggles lens or head guard body 1.

The inner wall of the head mask body 1 is provided with a wireless voice communication device 24, which is convenient for the wearer to communicate with other people in voice.

The filter window 10 has been seted up to the front lower part of head guard body 1, filter window 10 internal fixation has filter plate 11, filter plate 11 is the emergent filter plate of KN95 material particulate matter, filter window 10 outside is equipped with the sealing membrane that can tear, through setting up filter plate 11, in emergent condition, if outside air feeder breaks down when can't supply air, can tear the sealing membrane, supplies the emergent ventilation of wearer, and the messenger wearer can continue to breathe clean air, can not cause the wearer to suffocate or breathe to dirty air.

The annular air bag 18 is arranged on the inner wall of the neck elastic connecting ring 8, so that a gap between the neck elastic connecting ring 8 and the neck of a wearer is conveniently sealed, in the embodiment, the neck elastic connecting ring 8 and the annular air bag 18 are made of elastic silica gel, and a one-way air inlet valve 19 communicated with the annular air bag 18 is arranged on the outer wall of the neck elastic connecting ring 8.

The unidirectional air inlet valve 19 comprises a shell 20 fixedly connected with the outer wall of the neck elastic connecting ring 8, an air outlet hole is formed in one end, close to the neck elastic connecting ring 8, of the shell 20, an air inlet hole 21 is formed in one end, far away from the neck elastic connecting ring 8, a reset spring 22 is fixedly connected to one end, close to the neck elastic connecting ring 8, of the shell 20, the reset spring 22 is a compression spring, and a rubber sealing gasket 23 used for sealing the air inlet hole 21 is fixedly connected to one end, far away from the neck elastic connecting ring 8, of the reset spring 22.

The terminal surface of the lower extreme of defogging trachea 5 is the inclined plane, and defogging trachea 5 lower extreme is close to goggles subassembly one side and is higher than defogging trachea 5 lower extreme and keep away from one side of goggles subassembly.

When the medical mask is used, the head of a wearer passes through the neck elastic connecting ring 8 at the lower end of the mask body 1, the mask body 1 is sleeved on the head of the wearer, the shoulder-covering lower hem 9 is lapped on the shoulder of the wearer, then the air inlet pipe 3 at the rear side of the mask body 1 is connected with a positive pressure clean air source through the quick pipe joint 4, then air is filled into the annular air bag 18 at the inner side of the neck elastic connecting ring 8 through the one-way air inlet valve 19 by using the air bag or the positive pressure air source, the annular air bag 18 is inflated to seal the gap between the neck elastic connecting ring 8 and the neck of the wearer, and the mask for medical isolation can be used for isolation protection; when blood or other pollutants splash to goggles, a snap fastener or a magic tape at the upper end of the goggles protection sleeve 17 is opened, the upper end of the goggles protection sleeve 17 is separated from the head mask body 1, the upper goggles lens 14 is pressed downwards, the upper goggles lens 14 moves downwards along the goggles mounting groove 12, the lower goggles lens 12 is pushed out from the lower end of the goggles mounting groove 12, the arc limiting blocks 16 on the inner wall of the goggles mounting groove 12 are clamped into the arc limiting grooves 15 on the two sides of the upper goggles lens 14, the upper goggles lens 14 is limited in the goggles mounting groove 12, then the upper end of the goggles protection sleeve 17 is connected with the front surface of the head mask body 1 through the snap fastener or the magic tape at the upper end of the goggles protection sleeve 17, if the goggles protection sleeve 17 is also splashed by blood or other pollutants, the upper goggles lens 14 is taken out from the shoulder-covering lower hem 9, the upper goggles lens 14 is pressed again after the blood or other pollutants on the goggles 17 are wiped, and the pollutants are prevented from flowing down from the goggles protection sleeve 17 to pollute the upper goggles lens 14; after the medical isolating head mask is used, the rubber sealing gasket 23 in the one-way air inlet valve 19 for sealing the air inlet hole 21 of the one-way air inlet valve 19 is pressed, so that the rubber sealing gasket 23 is separated from the air inlet hole 21, and the air in the annular air bag 18 can be discharged, and the medical isolating head mask can be taken down; the medical isolation head mask is convenient for a wearer to wear by arranging the neck elastic connecting ring, is convenient for sealing a gap between the neck elastic connecting ring and the neck of the wearer by arranging the annular air bag on the inner side of the neck elastic connecting ring, is convenient for replacing the lower goggle lens when the lower goggle lens is polluted by blood or other pollutants by arranging the upper goggle lens above the lower goggle lens, is convenient for protecting the upper goggle lens by sleeving the goggle protective sleeve on the upper goggle lens, and is convenient for silencing by arranging the porous cotton cores in the air inlet pipe, the defogging air pipe and the air outlet pipe, and the noise influence of air flows in the air inlet pipe, the defogging air pipe and the air outlet pipe on the wearer is avoided.

Claims

1. The utility model provides a head mask for medical isolation, includes head mask body (1), its characterized in that: the utility model discloses a face mask body, including face mask body (1), front face mask body (1) and back face mask body (1), front face mask body (1) corresponds the eye position of wearer and is equipped with transparent perspective panel (2), be equipped with the goggles subassembly on transparent perspective panel (2) outer wall, face mask body (1) rear side is connected with intake pipe (3), the top of intake pipe (3) is connected with face mask body (1) rear side and is linked together with face mask body (1) inside, intake pipe (3) lower extreme is equipped with quick coupling (4), top is equipped with defogging trachea (5) in face mask body (1), the upper end of defogging trachea (5) are linked together with intake pipe (3), the lower extreme orientation face mask body (1) openly corresponds the eye position of wearer, face mask body (1) lower part side is equipped with outlet duct (6), face mask body (1) one end is kept away from to outlet duct (6) is equipped with air outlet valve (7), the lower extreme opening part of face mask body (1) is connected with neck elastic connection circle (8), lower shoulder fixedly connected with of neck elastic connection circle (8).

2. A head mask for medical isolation according to claim 1, wherein: the novel mask is characterized in that a filter window (10) is formed in the lower portion of the front face of the mask body (1), a filter sheet (11) is fixedly connected in the filter window (10), and a seal film capable of being torn is arranged on the outer side of the filter window (10).

3. A head mask for medical isolation according to claim 1, wherein: the utility model provides a visor subassembly, including visor mounting groove (12) of positive both sides of fixed mounting helmet body (1), be connected with lower visor lens (13) in visor mounting groove (12), the top overlap joint of lower visor lens (13) has last visor lens (14), the lower extreme sliding connection of going up visor lens (14) is in the upper end of visor mounting groove (12), both sides upper portion and the lower part of going up visor lens (14) and lower visor lens (13) are equipped with arc spacing groove (15) respectively, be equipped with arc stopper (16) with arc spacing groove (15) looks adaptation on the inner wall of visor mounting groove (12), the outside cladding of going up visor lens (14) has visor protective sheath (17), visor protective sheath (17) lower extreme is close to helmet body (1) one side and helmet body (1) outer wall laminating and sealing connection, visor (17) upper end is connected with helmet body (1) through snap fastener or magic subsides.

4. A head mask for medical isolation according to claim 1, wherein: porous cotton cores are respectively arranged in the air inlet pipe (3), the demisting pipe (5) and the air outlet pipe (6).

5. A head mask for medical isolation according to claim 1, wherein: the inner wall of the neck elastic connecting ring (8) is provided with an annular air bag (18), and the outer wall of the neck elastic connecting ring (8) is provided with a one-way air inlet valve (19) communicated with the annular air bag (18).

6. A headgear for medical isolation according to claim 5, wherein: the one-way air inlet valve (19) comprises a shell (20) fixedly connected with the outer wall of the neck elastic connecting ring (8), an air outlet hole is formed in one end, close to the neck elastic connecting ring (8), of the shell (20), an air inlet hole (21) is formed in one end, far away from the neck elastic connecting ring (8), of the shell (20), a reset spring (22) is fixedly connected with one end, close to the neck elastic connecting ring (8), of the shell (20), and a rubber sealing gasket (23) is fixedly connected with one end, far away from the neck elastic connecting ring (8), of the reset spring (22).

7. A head mask for medical isolation according to claim 1, wherein: the end face of the lower end of the demisting air pipe (5) is an inclined plane.

8. A head mask for medical isolation according to claim 1, wherein: the inner wall of the head mask body (1) is provided with a wireless voice communication device (24).

9. A head mask for medical isolation according to claim 1, wherein: the top of the shoulder covering lower hem (9) is provided with an audible-visual annunciator (25), the front surface of the shoulder covering lower hem (9) is provided with a storage bag (26), and dry tissues are arranged in the storage bag (26).