CN111840736A - Ventilation device for patient in infectious department - Google Patents

Ventilation device for patient in infectious department Download PDF

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Publication number
CN111840736A
CN111840736A CN202010681435.2A CN202010681435A CN111840736A CN 111840736 A CN111840736 A CN 111840736A CN 202010681435 A CN202010681435 A CN 202010681435A CN 111840736 A CN111840736 A CN 111840736A
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China
Prior art keywords
air
hose
wall
chamber
purification
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Withdrawn
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CN202010681435.2A
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Chinese (zh)
Inventor
张燕
龚翔
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Nantong First Peoples Hospital
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Nantong First Peoples Hospital
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Priority to CN202010681435.2A priority Critical patent/CN111840736A/en
Publication of CN111840736A publication Critical patent/CN111840736A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • A61M16/106Filters in a path
    • A61M16/1065Filters in a path in the expiratory path
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • A61M16/106Filters in a path
    • A61M16/107Filters in a path in the inspiratory path
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

The invention discloses a ventilation device for patients in infectious department, which comprises an outer protection shell, an ultraviolet lamp and a purification chamber, wherein rollers are installed below the outer protection shell, telescopic rods are arranged inside the rollers, springs are connected below the telescopic rods, the ultraviolet lamp is installed inside a disinfection chamber, an expiration conduit is arranged on the right side of the expiration hose, a second one-way valve is installed on the outer wall of the expiration hose, the purification chamber is installed on the right side of the expiration conduit, an activated carbon layer is arranged inside the purification chamber, a second purification layer is installed on the right side of the activated carbon layer, an air outlet is connected above the purification chamber, a partition plate is arranged below the purification chamber, an openable door is installed on the outer wall of the front side of the outer protection shell, and an observation window is arranged on the inner side of the openable door. The invention can purify, filter and heat the air inhaled by the patient, avoid infectious bacteria in the air inhaled by the patient, avoid infection to the patient and avoid cross infection.

Description

Ventilation device for patient in infectious department
Technical Field
The invention relates to the technical field of ventilation devices for patients, in particular to a ventilation device for patients in an infectious department.
Background
The air germs in the sickroom of the hospital infectious department have more content and extremely strong infectivity, have certain dangerousness, and pollute the surrounding environment if the air germs are not treated in time, and the patient and the staff are in a relatively closed environment, which is easy to hurt doctors and other patients and cause large-area infection, moreover, respiration is the most direct and dangerous infection mode, is very easy to cause cross infection of diseases through respiration, in the past, the sterilization treatment work of the hospital infectious department ward is the same as that of the ordinary ward, no special facility for treating the indoor air of the infectious department ward exists, and the existing ventilation device has the problems of complex installation, difficult maintenance and the like, the infection prevention space of the hospital is greatly changed, and the rescue work of the hospital has great worries, so that the ventilation device for the patient in the infectious department is needed.
Patient of infectious department in market usually can cause breather not convenient to remove when using, cause very big unchangeable to the use, and be not convenient for filter and purify patient's exhalation and inspiratory air, cause large tracts of land cross infection easily, prevention and control work to the hospital causes the puzzlement, and the breather structure is complicated, be not convenient for dismantle and the maintenance, cause inconvenience during the use, be not convenient for protect other patient and the problem of control, for this reason, we provide a higher breather for patient of infectious department of practicality.
Disclosure of Invention
The invention aims to provide a ventilator for patients in infectious department, which solves the problems that the existing ventilator for patients in infectious department is inconvenient to move, largely unchangeable in use, inconvenient to filter and purify air exhaled and inhaled by the patients, easy to cause large-area cross infection, and troublesome to prevention and control work in hospitals, and the ventilator is complex in structure, inconvenient to detach and maintain, inconvenient in use and inconvenient to protect and control other patients.
In order to achieve the purpose, the invention provides the following technical scheme: a ventilation device for patients in infectious department comprises an outer protection shell, an ultraviolet lamp and a purification chamber, wherein rollers are installed below the outer protection shell, a telescopic rod is arranged inside the rollers, a spring is connected below the telescopic rod, an air inlet is formed in the outer wall of the upper portion of the outer protection shell, an air suction pump is arranged inside the outer protection shell, a first guide pipe is connected to the right side of the air suction pump, a filter chamber is installed below the first guide pipe, an adsorption layer is installed inside the filter chamber, a purification layer is arranged below the adsorption layer, a second guide pipe is connected to the left side of the filter chamber, a disinfection chamber is arranged on the left side of the second guide pipe, the ultraviolet lamp is installed inside the disinfection chamber, a gas pipe is connected to the left side of the disinfection chamber, a heating pipe is arranged on the outer wall of the gas pipe, a gas transmission connector is connected to the left side of the gas pipe, and a gas transmission hose is installed on the, the buckle is installed to the right-hand member outer wall of gas transmission hose, and the left end outer wall of gas transmission hose is provided with first check valve, the face guard is installed in the left side of gas transmission hose, and the right side top outer wall connection of face guard has the expiration hose, the right side of expiration hose is provided with the expiration pipe, and the outer wall of expiration hose installs the second check valve, the clean room is installed on the right side of expiration pipe, and the inside of clean room is provided with the activated carbon layer, and the right side on activated carbon layer installs the second and purifies the layer, the top of clean room is connected with the gas outlet, and the below of clean room is provided with the baffle, but the front side outer wall of outer protection casing is installed and is opened the door, and the inboard that can open the door is provided with.
Preferably, a rotating structure is formed between the outer protective shell and the roller, and the roller passes through a spring and an elastic telescopic structure is formed between the telescopic rod.
Preferably, the suction pump forms a communicating structure with the filtering chamber through the first conduit, and the adsorption layer and the purification layer are tightly attached to the inner wall of the filtering chamber.
Preferably, the sterilizing chamber is fixedly connected with the ultraviolet lamp, and the second conduit penetrates through the inner wall of the sterilizing chamber.
Preferably, a full-surrounding structure is formed between the gas conveying pipe and the heating pipe, and the heating pipe is of a spiral structure.
Preferably, the gas transmission joint and the gas transmission hose form a buckling structure through a buckle, and the gas transmission joint and the gas transmission hose are connected in a sleeved mode.
Preferably, the connection mode between the air hose and the first one-way valve is suture connection, and the size of the outer wall of the first one-way valve is the same as the size of the inner wall of the air hose.
Preferably, the purification chamber forms a communicating structure with the mask through the expiration conduit, and the purification chamber is fixedly connected with the activated carbon layer and the second purification layer.
Preferably, the openable door is movably connected with the outer protective shell, and the openable door is connected with the observation window by gluing.
Compared with the prior art, the invention has the following beneficial effects:
1. the roller is arranged, so that the ventilation device can be moved conveniently, the roller is convenient to use in different regions and environments, great convenience can be brought to carrying of medical workers, the telescopic rod and the spring are arranged in the roller, internal parts of the ventilation device can be damped during movement, damage and contact falling of the parts due to long-term vibration are avoided, unnecessary damage is avoided, the service life of the ventilation device is prolonged, and the availability is improved;
2. the air filter is provided with the air suction pump and the filter chamber, so that air can be sucked into the filter chamber through the air suction pump to filter the air, secondary infection caused by the fact that bacteria in the air are sucked by a patient is avoided, the pumping force of the air suction pump can reduce the using force of the patient during air suction, the patient can be maintained conveniently, the ultraviolet lamp can be used for carrying out secondary purification and disinfection on the filtered air, bacteria which cannot be killed in the filtering process can be inactivated again, and the purification capacity of the air interchanger is improved;
3. the heating pipe is arranged, so that the air to be sucked after purification can be heated, the phenomenon that the air is too cold in temperature and causes discomfort to the body of a patient after the air is sucked when the weather temperature is low is avoided, the air in the air delivery pipe is heated by the heating pipe, the use comfort of the patient can be improved, the heating pipe is of a spiral structure, the air can be heated to a greater degree, and the phenomenon that the air cannot be sufficiently heated when the air flow rate is high is avoided;
4. The first check valve is arranged to control the flow direction of gas of the gas conveying hose, so that the gas conveying hose can only convey gas to a patient, gas exhaled by the patient cannot flow out through the gas conveying hose, and pollution to a ventilation device and threat to other patients who use the ventilation device are avoided;
5. set up the clean room, can transmit the clean room to the air of patient exhalation through face guard and expiration hose and discharge in the air of external world again after can filtering purification, bacterium has in the expired gas of avoiding using the patient, cause harm to other patient or medical personnel, the door can be opened in the setting, can be convenient for inspect and maintain breather's inside, make things convenient for inside equipment to dismantle, and can be convenient for through the observation window to inspect inside equipment under the condition of not opening the door that can open.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the front view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a left side sectional view of the roller according to the present invention.
In the figure: 1. an outer protective shell; 2. a roller; 3. a telescopic rod; 4. a spring; 5. an air inlet; 6. a getter pump; 7. a first conduit; 8. a filtering chamber; 9. an adsorption layer; 10. a purification layer; 11. a second conduit; 12. a sterilization chamber; 13. an ultraviolet lamp; 14. a gas delivery pipe; 15. heating a tube; 16. a gas delivery joint; 17. a gas hose; 18. a first check valve; 19. a face mask; 20. an expiratory hose; 21. a second one-way valve; 22. an expiratory conduit; 23. a clean room; 24. an activated carbon layer; 25. a second purification layer; 26. a partition plate; 27. an air outlet; 28. the door can be opened; 29. an observation window; 30. and (5) buckling.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a ventilator for patients in infectious diseases comprises an outer protective casing 1, rollers 2, an expansion link 3, a spring 4, an air inlet 5, an inhalation pump 6, a first conduit 7, a filter chamber 8, an adsorption layer 9, a purification layer 10, a second conduit 11, a disinfection chamber 12, an ultraviolet lamp 13, a gas conduit 14, a heating pipe 15, a gas delivery connector 16, a gas delivery hose 17, a first check valve 18, a face mask 19, an exhalation hose 20, a second check valve 21, an exhalation conduit 22, a purification chamber 23, an activated carbon layer 24, a second purification layer 25, a partition 26, an air outlet 27, an openable door 28, an observation window 29 and a buckle 30, wherein the rollers 2 are installed below the outer protective casing 1, the expansion link 3 is installed inside the rollers 2, the spring 4 is connected below the expansion link 3, the air inlet 5 is installed on the outer wall above the outer protective casing 1, and the inhalation pump 6 is installed inside the outer protective casing 1, the right side of the air suction pump 6 is connected with a first conduit 7, a filter chamber 8 is arranged below the first conduit 7, an adsorption layer 9 is arranged inside the filter chamber 8, a purification layer 10 is arranged below the adsorption layer 9, the left side of the filter chamber 8 is connected with a second conduit 11, a disinfection chamber 12 is arranged on the left side of the second conduit 11, an ultraviolet lamp 13 is arranged inside the disinfection chamber 12, the left side of the disinfection chamber 12 is connected with an air conveying pipe 14, the outer wall of the air conveying pipe 14 is provided with a heating pipe 15, the left side of the air conveying pipe 14 is connected with an air conveying connector 16, the left side of the air conveying connector 16 is provided with an air conveying hose 17, the outer wall of the right end of the air conveying hose 17 is provided with a buckle 30, the outer wall of the left end of the air conveying hose 17 is provided with a first one-way valve 18, the left side of the air conveying hose 17 is provided with a face mask 19, the outer, a second check valve 21 is installed on the outer wall of the expiration hose 20, a purification chamber 23 is installed on the right side of the expiration duct 22, an activated carbon layer 24 is arranged inside the purification chamber 23, a second purification layer 25 is installed on the right side of the activated carbon layer 24, an air outlet 27 is connected to the upper side of the purification chamber 23, a partition 26 is arranged below the purification chamber 23, an openable door 28 is installed on the outer wall of the front side of the outer protection shell 1, and an observation window 29 is arranged on the inner side of the openable door 28;
The rotating structure is formed between the outer protective shell 1 and the roller 2, the roller 2 forms an elastic telescopic structure with the telescopic rod 3 through the spring 4, the roller 2 is arranged, the air interchanger can be conveniently moved and can be conveniently used in different regions and environments, great convenience is brought to carrying of medical workers, the telescopic rod 3 and the spring 4 are arranged in the roller 2, internal parts of the air interchanger can be damped during moving, damage and contact falling of the parts caused by long-term vibration are avoided, unnecessary damage is avoided, the service life of the air interchanger is prolonged, the availability is improved, the air suction pump 6 forms a communicating structure with the filter chamber 8 through the first pipe 7, the adsorption layer 9 and the purification layer 10 are tightly attached to the inner wall of the filter chamber 8, the air suction pump 6 and the filter chamber 8 are arranged, air can be conveniently sucked into the filter chamber 8 through the air suction pump 6 to filter air, the secondary infection caused by the fact that bacteria in the air are sucked by a patient is avoided, the pumping force used by the patient during air suction can be reduced through the pumping gas of the air suction pump 6, the patient can be maintained conveniently, the connection mode between the disinfection chamber 12 and the ultraviolet lamp 13 is fixed connection, the second guide pipe 11 penetrates through the inner wall of the disinfection chamber 12, the ultraviolet lamp 13 is arranged to purify and disinfect the filtered gas for the second time, the bacteria which cannot be killed in the filtering process can be inactivated again, and the purifying capacity of the air exchange device is improved;
The air pipe 14 and the heating pipe 15 form a fully-enclosed structure, the heating pipe 15 is of a spiral structure, the heating pipe 15 is arranged, the air to be sucked after purification can be heated, the phenomenon that the air is too cold when the weather temperature is low and the patient feels uncomfortable after the patient inhales is avoided, the air in the air pipe 14 is heated by the heating pipe 15, the use comfort of the patient can be improved, the heating pipe 15 is of a spiral structure, the heating degree of the air can be higher, the phenomenon that when the air flow rate is high is avoided, the air pipe 16 cannot be heated sufficiently, the air pipe 16 and the air hose 17 form a buckling structure through the buckle 30 is avoided, the air pipe 16 and the air hose 17 are connected in a sleeved mode, the buckle 30 is arranged, the air pipe 16 and the air hose 17 can be conveniently installed, fixed and detached, and after the air pipe is used, the disposable devices such as the air hose 17 and the face mask 19 are replaced to avoid cross infection of patients during use and increase the use safety, the connection mode between the air hose 17 and the first one-way valve 18 is suture connection, the outer wall size of the first one-way valve 18 is the same as the inner wall size of the air hose 17, the first one-way valve 18 is arranged to control the flow direction of the air hose 17, so that the air hose 17 can only convey air to the patients, the air exhaled by the patients can not flow out through the air hose 17, the pollution to the air exchanging device is avoided, the threat to other patients is caused, the purifying chamber 23 forms a communication structure through the expiration conduit 22 and the face mask 19, the connection mode between the purifying chamber 23 and the activated carbon layer 24 and the second purifying layer 25 is fixed connection, the purifying chamber 23 is arranged, the air exhaled by the patients can be conveyed to the purifying chamber 23 through the face mask 19 and the expiration hose 20 and can be exhausted after being filtered and purified Go in putting external air, avoid having the bacterium in using patient's the expired gas, cause harm to other patient or medical personnel, can open the connected mode between door 28 and the outer protective casing body 1 and be swing joint, and the connected mode that can open between door 28 and the observation window 29 is adhesive bonding, door 28 can be opened in the setting, can be convenient for inspect and maintain breather's inside, make things convenient for inside equipment to dismantle, and can be convenient for inspect inside equipment under the condition that can open door 28 through observation window 29.
The working principle is as follows: for the ventilator for the patient in the infectious department, firstly, the face mask 19 is worn on the face of the user to surround the mouth and the nose, then the inhalation pump 6 is started to make the outside air be sucked into the ventilator through the air inlet 5, then the outside air is conveyed into the filter chamber 8 through the first conduit 7, and is primarily filtered and purified through the adsorption layer 9 and the purification layer 10, and then the outside air is conveyed into the disinfection chamber 12 through the second conduit 11, and is irradiated by the ultraviolet lamp 13 to inactivate the bacteria in the air, and then the air is conveyed through the air conveying pipe 14, and the air in the air conveying pipe 14 is heated to a proper temperature by the heating pipe 15 to avoid the discomfort of the cold air to the patient, the heated air is conveyed into the face mask 19 through the air conveying hose 17 and is inhaled by the patient, and the air exhaled by the patient is conveyed through the exhalation hose 20, and when drawing the inhaled air, the second one-way valve 21 closes the exhalation hose 20 to prevent the air from being inhaled from the exhalation hose 20 by the patient, and when the patient exhales, the first one-way valve 18 closes to prevent the exhaled air from entering the ventilation device to cause pollution, the exhaled air is transmitted to the exhalation conduit 22 and then enters the purification chamber 23, the exhaled air is purified and filtered through the activated carbon layer 24 and the second purification layer 25 and then discharged into the air through the air outlet 27, after each patient finishes using, the buckle 30 can be loosened to detach the air transmission hose 17 and the air transmission connector 16, then the first one-way valve 18, the face mask 19, the exhalation hose 20, the second one-way valve 21 and the exhalation conduit 22 are replaced to increase the sterility of the use and avoid cross infection, when the ventilation device needs to be moved, the outer protection shell 1 is pushed, make gyro wheel 2 rotate, alright in order to remove, in addition when removing, through the elasticity flexible of telescopic link 3 and spring 4, can carry out the shock attenuation, when needs maintenance, can open and to maintain inside door 28, during normal use, can observe inside in service behavior through observation window 29, and baffle 26 can be two-layer with outer protective housing 1 partition, increases space utilization, and just so accomplishes whole infectious department patient and uses breather's use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A ventilation device for patients in infectious department comprises an outer protective shell (1), an ultraviolet lamp (13) and a purification room (23), and is characterized in that: idler wheel (2) is installed below outer protecting casing (1), telescopic rod (3) is arranged inside idler wheel (2), spring (4) is connected below telescopic rod (3), air inlet (5) is arranged on the outer wall of the upper portion of outer protecting casing (1), air suction pump (6) is arranged inside outer protecting casing (1), first conduit (7) is connected to the right side of air suction pump (6), filter chamber (8) is installed below first conduit (7), adsorption layer (9) is installed inside filter chamber (8), purification layer (10) is arranged below adsorption layer (9), second conduit (11) is connected to the left side of filter chamber (8), disinfection chamber (12) is arranged on the left side of second conduit (11), ultraviolet lamp (13) is installed inside disinfection chamber (12), and gas pipe (14) is connected to the left side of disinfection chamber (12), and the outer wall of gas-supply pipe (14) is provided with heating pipe (15), the left side of gas-supply pipe (14) is connected with gas transmission joint (16), and gas transmission hose (17) is installed in the left side of gas transmission joint (16), buckle (30) are installed to the right-hand member outer wall of gas transmission hose (17), and the left end outer wall of gas transmission hose (17) is provided with first check valve (18), face guard (19) is installed in the left side of gas transmission hose (17), and the right side top outer wall of face guard (19) is connected with exhaling hose (20), the right side of exhaling hose (20) is provided with exhaling pipe (22), and the outer wall of exhaling hose (20) installs second check valve (21), install on the right side of exhaling pipe (22) clean room (23), and the inside of clean room (23) is provided with activated carbon layer (24), and the right side of activated carbon layer (24) installs second purification layer (25), an air outlet (27) is connected to the upper portion of the purification chamber (23), a partition plate (26) is arranged below the purification chamber (23), an openable door (28) is installed on the outer wall of the front side of the outer protection shell (1), and an observation window (29) is arranged on the inner side of the openable door (28).
2. A ventilation device for patients in infectious department according to claim 1, characterized in that: constitute revolution mechanic between outer protecting casing (1) and gyro wheel (2), and constitute elastic telescopic structure between gyro wheel (2) and telescopic link (3) through spring (4).
3. A ventilation device for patients in infectious department according to claim 1, characterized in that: the aspirator pump (6) constitutes the intercommunication structure through between first pipe (7) and filter chamber (8), and adsorbed layer (9) and purification layer (10) closely laminate with the inner wall of filter chamber (8).
4. A ventilation device for patients in infectious department according to claim 1, characterized in that: the disinfection chamber (12) is fixedly connected with the ultraviolet lamp (13), and the second conduit (11) penetrates through the inner wall of the disinfection chamber (12).
5. A ventilation device for patients in infectious department according to claim 1, characterized in that: a full-surrounding structure is formed between the gas conveying pipe (14) and the heating pipe (15), and the heating pipe (15) is of a spiral structure.
6. A ventilation device for patients in infectious department according to claim 1, characterized in that: the gas transmission joint (16) and the gas transmission hose (17) form a buckling structure through a buckle (30), and the gas transmission joint (16) and the gas transmission hose (17) are connected in a sleeved mode.
7. A ventilation device for patients in infectious department according to claim 1, characterized in that: the connection mode between the air hose (17) and the first one-way valve (18) is sewing connection, and the size of the outer wall of the first one-way valve (18) is the same as that of the inner wall of the air hose (17).
8. A ventilation device for patients in infectious department according to claim 1, characterized in that: the purification chamber (23) is communicated with the face mask (19) through the expiration conduit (22), and the purification chamber (23) is fixedly connected with the activated carbon layer (24) and the second purification layer (25).
9. A ventilation device for patients in infectious department according to claim 1, characterized in that: the openable door (28) is movably connected with the outer protective shell (1), and the openable door (28) is connected with the observation window (29) in an adhesive manner.
CN202010681435.2A 2020-07-15 2020-07-15 Ventilation device for patient in infectious department Withdrawn CN111840736A (en)

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Application Number Priority Date Filing Date Title
CN202010681435.2A CN111840736A (en) 2020-07-15 2020-07-15 Ventilation device for patient in infectious department

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CN202010681435.2A CN111840736A (en) 2020-07-15 2020-07-15 Ventilation device for patient in infectious department

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112870512A (en) * 2021-03-25 2021-06-01 胡阅丰 Treatment detachable breathing device with cross infection prevention structure
CN114288572A (en) * 2022-01-13 2022-04-08 钟国庆 Automatic filtration type breathing device easy and convenient to operate and used for infectious disease department

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205287153U (en) * 2015-12-23 2016-06-08 李军 Internal medicine is clinical in disinfection respiratory device
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Application publication date: 20201030