CN114949650A - Respiratory disease nursing infection-preventing isolation device - Google Patents
Respiratory disease nursing infection-preventing isolation device Download PDFInfo
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- CN114949650A CN114949650A CN202210652420.2A CN202210652420A CN114949650A CN 114949650 A CN114949650 A CN 114949650A CN 202210652420 A CN202210652420 A CN 202210652420A CN 114949650 A CN114949650 A CN 114949650A
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- respiratory disease
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- 208000015181 infectious disease Diseases 0.000 title claims abstract description 19
- 208000023504 respiratory system disease Diseases 0.000 title claims abstract description 17
- 230000000474 nursing effect Effects 0.000 title claims abstract description 13
- 238000002955 isolation Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 10
- 239000010985 leather Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000009825 accumulation Methods 0.000 abstract description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 25
- 244000052769 pathogen Species 0.000 description 4
- 210000002345 respiratory system Anatomy 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000002924 anti-infective effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002155 anti-virotic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/10—Valves
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses an infection-preventing isolation device for respiratory disease nursing, and relates to the technical field of nursing infection prevention. The novel nasal mask is characterized by comprising a mask, the two ends of the mask are respectively fixedly connected with a connecting rope, a one-way valve is installed on one side of the mask, a second one-way valve is installed on one side of the mask, one end of the second one-way valve is fixedly connected with a filtering component, an air inlet component is installed at one end of the filtering component, a sealing component is installed on one side of the mask and comprises a nasal side sealing element, one side of the nasal side sealing element is fixed with one side of the mask, and the two ends of the nasal side sealing element are respectively fixedly connected with a connecting rope. According to the invention, through the arrangement of the air inlet assembly, the one-way valve and the second one-way valve, air in the mask enters and exits according to a certain sequence, and flows in a one-way manner, so that the accumulation of water vapor is avoided, the cleanness and the freshness of the interior of the mask are effectively ensured, and the comfort of medical personnel during wearing is improved.
Description
Technical Field
The invention relates to the technical field of nursing and infection prevention, in particular to an infection prevention isolation device for respiratory disease nursing.
Background
Respiratory diseases are infected through respiratory tract, pathogens can directly enter the respiratory tract of an infected person through breathing from the air to cause diseases, patients carrying and infected with certain pathogens can also cause diseases by infecting the respiratory tract of the infected person through saliva and spray, and the patients can also enter the respiratory tract by touching the nose and mouth of the patients after contacting with articles with the infectious pathogens.
At present, part of infection-preventing isolating devices are isolated by using masks which are disposable consumables, and the anti-virus probability of the masks is generally not less than 95%, but accidents may occur due to the fact that doctors or nurses are in contact with patients for a long time, so that the infection-preventing isolating devices for respiratory disease nursing are invented to solve the problems.
Disclosure of Invention
The invention aims to provide an infection-preventing isolation device for respiratory disease nursing, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the respiratory disease nursing anti-infection isolation device comprises a face mask, wherein two ends of the face mask are respectively and fixedly connected with a first connecting rope, one side of the face mask is provided with a first check valve, one side of the face mask is provided with a second check valve, one end of the second check valve is fixedly connected with a filtering assembly, one end of the filtering assembly is provided with an air inlet assembly, and one side of the face mask is provided with a sealing assembly;
the sealing assembly comprises a nose side sealing element, one side of the nose side sealing element is fixed with one side of the mask, two ends of the nose side sealing element are respectively and fixedly connected with a second connecting rope, one end of each of the two second connecting ropes is fixedly connected with a chin sealing element, and a distance adjusting assembly is mounted outside each of the second connecting ropes;
the air inlet subassembly includes the drum, the drum is fixed with the one end of the jar body, the inside fixedly connected with motor of drum, the output fixedly connected with blade of motor, the one end fixedly connected with dust screen of drum, the power is installed to one side of drum, power and motor electric connection.
Further, the roll adjustment subassembly includes the movable block, the inside of movable block and the outer wall swing joint of No. two connection ropes, a plurality of through-holes have been seted up to the lateral wall of movable block, and it is fixed that the one end of No. two connection ropes runs through the one end of through-hole and chin department sealing member, the top fixedly connected with fixed spring of movable block, fixed spring's the fixed box of top fixedly connected with, the inner wall of fixed box and the outer wall of movable block contact, a plurality of holes have been seted up respectively to the lateral wall of fixed box both sides, and the one end through hole of No. two connection ropes.
Furthermore, the check valve includes the check pipe, and the one end of check pipe and one side of face guard are fixed mutually, the inside fixedly connected with coupling spring of check pipe, coupling spring's one end fixedly connected with moving member, the one end of moving member and the inside one end of check pipe contact, the filter screen is installed to the one end of check pipe.
Furthermore, the filtering component comprises a vent pipe, one end of the vent pipe is fixed with one side of the mask, the other end of the vent pipe is fixedly connected with a tank body, and a filter is arranged in the tank body.
Furthermore, one end of the tank body is fixedly connected with a vent cover, a sealing ring is arranged between one end of the vent cover and one end of the filter, and a sealing ring is arranged between the inside of the tank body and the other end of the filter.
Furthermore, install the leather sheath between a connection rope and No. two connection ropes, the protection eyepiece is installed on the top of face guard, respectively fixed connection elastic webbing is equallyd divide at the both ends of protection eyepiece, the externally mounted of elastic webbing has the ladder to detain.
Compared with the prior art, the invention has the beneficial effects that:
this respiratory disease nursing prevents infection isolating device through the setting of air inlet subassembly, check valve and No. two check valves for the inside air of face guard gets into and goes out according to certain order, and one-way circulation avoids piling up of steam, guarantees the inside clean and fresh and cool degree of face guard effectively, has improved the comfort when medical personnel wear.
This infection isolating device is prevented in respiratory disease nursing, through the setting of seal assembly and protective eye lens, seal assembly can improve the device's leakproofness, simultaneously because the existence of air inlet subassembly, make its the device still use under the circumstances that its gas tightness becomes low, because partial steam can only be taken away in the application of air inlet subassembly, the inside steam that still has of face guard remains, through the setting that protective eye lens and face guard separate, make steam can not get into protective eye lens, thereby influence medical personnel's the field of vision.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an isometric view of a mask of the present invention;
FIG. 4 is an isometric view of a check valve of the present invention;
FIG. 5 is an isometric view of a seal assembly of the present invention;
FIG. 6 is a cross-sectional view of the pitch assembly of the present invention;
FIG. 7 is a cross-sectional view of a filter assembly of the present invention;
FIG. 8 is a cross-sectional view of the intake assembly of the present invention.
In the figure: 1. a face mask; 2. a first connecting rope; 3. a first check valve; 301. a one-way tube; 302. a connecting spring; 303. a moving member; 4. a seal assembly; 401. a nasal seal; 402. a second connecting rope; 403. a chin seal; 5. a distance adjusting component; 501. a fixing box; 502. fixing the spring; 503. a movable block; 6. a filter assembly; 601. a tank body; 602. a seal ring; 603. a filter; 604. a vent cover; 605. a breather pipe; 7. an air intake assembly; 701. a cylinder; 702. a motor; 703. a blade; 704. a power source; 705. a dust screen; 8. a protective eyepiece; 9. a leather sheath; 10. a second one-way valve; 11. an elastic band.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1 to 8, the present invention provides a technical solution: the respiratory disease nursing anti-infection isolating device comprises a face mask 1, wherein two ends of the face mask 1 are respectively and fixedly connected with a first connecting rope 2, one side of the face mask 1 is provided with a first check valve 3, one side of the face mask 1 is provided with a second check valve 10, one end of the second check valve 10 is fixedly connected with a filtering component 6, one end of the filtering component 6 is provided with an air inlet component 7, and one side of the face mask 1 is provided with a sealing component 4;
as shown in fig. 3-5, the sealing assembly 4 includes a nose side sealing element 401, one side of the nose side sealing element 401 is fixed to one side of the mask 1, two ends of the nose side sealing element 401 are respectively and fixedly connected with a second connecting rope 402, one end of each of the two second connecting ropes 402 is fixedly connected with a chin sealing element 403, and the distance adjusting assembly 5 is mounted outside the second connecting rope 402;
as shown in fig. 7, the air intake assembly 7 includes a cylinder 701, one end of the cylinder 701 is fixed with one end of the tank 601, a motor 702 is fixedly connected inside the cylinder 701, a blade 703 is fixedly connected to an output end of the motor 702, a dust screen 705 is fixedly connected to one end of the cylinder 701, a power supply 704 is installed on one side of the cylinder 701, and the power supply 704 is electrically connected with the motor 702.
As shown in fig. 6, the roll adjustment assembly 5 includes a movable block 503, the inside of the movable block 503 and the outer wall swing joint of No. two connection ropes 402, a plurality of through holes have been seted up to the lateral wall of the movable block 503, the one end of No. two connection ropes 402 runs through the through hole and the one end of chin department sealing member 403 is fixed, the top fixedly connected with mounting spring 502 of movable block 503, mounting spring 502's top fixedly connected with fixing box 501, the inner wall of fixing box 501 and the outer wall of movable block 503 contact, a plurality of holes have been seted up respectively to the lateral wall of fixing box 501 both sides, the one end through hole of No. two connection ropes 402.
As shown in FIG. 4, the one-way valve 3 comprises a one-way pipe 301, one end of the one-way pipe 301 is fixed to one side of the face mask 1, a connecting spring 302 is fixedly connected to the inside of the one-way pipe 301, a moving piece 303 is fixedly connected to one end of the connecting spring 302, one end of the moving piece 303 is in contact with one end of the inside of the one-way pipe 301, and a filter screen is installed at one end of the one-way pipe 301.
As shown in fig. 7, the filter assembly 6 includes a vent pipe 605, one end of the vent pipe 605 is fixed to one side of the mask 1, the other end of the vent pipe 605 is fixedly connected to a canister 601, a filter 603 is installed inside the canister 601, one end of the canister 601 is fixedly connected to a vent cap 604, a sealing ring 602 is installed between one end of the vent cap 604 and one end of the filter 603, and a sealing ring 602 is installed between the inside of the canister 601 and the other end of the filter 603.
As shown in fig. 1-3, a leather sheath 9 is arranged between the first connecting rope 2 and the second connecting rope 402, a protective eyepiece 8 is arranged at the top end of the face mask 1, two ends of the protective eyepiece 8 are respectively fixedly connected with an elastic belt 11, a ladder buckle is arranged outside the elastic belt 11,
the working principle is as follows: the first check valve 3 and the second check valve 10 have the same structure, but the connection angle of the first check valve 3 and the second check valve 10 is opposite, so that air can only flow from the second check valve 10 to the mask 1, the air flows from the mask 1 to the outside through the first check valve 3, medical personnel can wear the device by moving the leather sheath 9, the leather sheath 9 connects the first connecting rope 2 with the second connecting rope 402, the medical personnel can wear the device conveniently, wear a belt, fix the tank body 601 on the belt, turn on the motor 702 through the power supply 704, the motor 702 rotates, the blades 703 also rotate, the blades 703 rotate to form air flow, the air flows to the inside of the tank body 601, the air firstly passes through the dust screen 705, the dust in the air can be blocked by the dust screen 705, the dust screen 705 is utilized to avoid the influence of the dust in the air on the subsequent filtering treatment, the dust particles can block the filter 603, the air flow of the filter 603 is affected, meanwhile, the number of holes capable of being filtered is reduced, the filtering effect of the filter 603 is affected, air passes through the filter 603, viruses are adsorbed by the filter 603, the filtered air flows into the mask 1 through the vent pipe 605, the air can continuously enter the mask 1, when a medical worker exhales, the air pressure in the mask 1 is higher than the external atmospheric pressure, so that the air in the mask 1 is discharged, the air presses the moving piece 303, the moving piece 303 presses the connecting spring 302, so that the air can flow to the outside through the one-way valve 3, when inhaling, the internal air pressure is reduced, if the reduced air pressure is higher than the external atmospheric pressure, the air in the mask 1 still flows to the outside from the one-way valve 3, if the air pressure is equal to or lower than the external atmospheric pressure, the connecting spring 302 extends, the moving piece 303 is attached to the inside of the one-way pipe 301, so that the external air cannot flow to the inside of the mask 1 from the one-way valve, the spreading of pathogens is prevented, the nose side sealing element 401 and the chin sealing element 403 in the sealing assembly 4 are made of elastic materials to ensure that the sealing assembly 4 can be attached to the skin, so that the air tightness of the mask 1 is ensured, the length of the second connecting rope 402 needs to be adjusted to ensure the tightness of the attachment of the sealing assembly 4 and the skin due to the high requirement on the air tightness, the movable block 503 is pressed down, the fixed spring 502 contracts, the circle center positions of the hole and the through hole are overlapped, the second connecting rope 402 can move inside the hole and the through hole, the second connecting rope 402 is connected between the two holes, the length of the section of the second connecting rope 402 is controlled, the tightness of the second connecting rope 402 is influenced by the length of the section of the second connecting rope 402, the distance adjusting assembly 5 can adjust the connecting length of the second connecting rope 402 due to the plurality of holes and the through hole, so that the tightness of the attachment of the sealing assembly 4 and the skin is controlled, the air inlet component 7 is applied, because the one-way valve 3 is arranged at the air outlet part, and the one-way valve 3 is internally provided with a spring, when a person exhales, gas can flow out of the filtering component 6, because the person can generate water vapor when breathing, when the one-way valve 3 is not used, the water vapor can be adsorbed and gathered through the filtering component 6, the filtering hole can be blocked, the breathing is influenced, the air inlet component 7 and the one-way valve 3 are adopted, the water vapor can flow out of the one-way valve 3, the water vapor can not be accumulated, the water vapor is liquefied and gathered inside the face mask 1, thereby the using effect of medical care personnel is reduced, meanwhile, long-time skin moisture can influence the skin, when a patient contacts, the patient splashes enter eyes, or the eyes are kneaded by hands contacting with pollutants of the patient, and the like, which possibly causes the infection, therefore, the protective eyepiece 8 is needed to realize the protection of the eyes, the places covered by the protective eyepieces 8 and the face mask 1 are separated from each other, the phenomenon that water vapor enters the protective eyepieces 8 to affect the visual field of medical staff is prevented, and the working condition of the medical staff is affected, air in the face mask 1 enters and exits according to a certain sequence through the arrangement of the air inlet assembly 7, the one-way valve 3 and the one-way valve 10, the air flows out through the air inlet assembly 7, the filtering assembly 6, the one-way valve 10, the face mask 1 and the one-way valve 10, one-way circulation is realized, the accumulation of the water vapor in the face mask 1 is avoided, the water vapor is contacted with the inner wall of the face mask 1, the cleanness and the freshness in the face mask 1 are effectively ensured, the comfort when the medical staff wear is improved, through the arrangement of the sealing assembly 4 and the protective eyepieces 8, the sealing performance of the device can be improved through the sealing assembly 4, and the air inlet assembly 7 is enabled to be still used under the condition that the air tightness is reduced, because the application of air inlet subassembly 7 can only take away partial steam, face guard 1 is inside still to have steam to remain, through the setting that protective eyepiece 8 and face guard 1 separate for steam can not get into protective eyepiece 8, thereby influences medical personnel's the field of vision.
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 (6)
1. Respiratory disease nursing infection isolating device is prevented, including face guard (1), its characterized in that: the air inlet device is characterized in that a first connecting rope (2) is fixedly connected to each of two ends of the face mask (1), a first check valve (3) is installed on one side of the face mask (1), a second check valve (10) is installed on one side of the face mask (1), a filtering assembly (6) is fixedly connected to one end of the second check valve (10), an air inlet assembly (7) is installed at one end of the filtering assembly (6), and a sealing assembly (4) is installed on one side of the face mask (1);
the sealing assembly (4) comprises a nose side sealing element (401), one side of the nose side sealing element (401) is fixed with one side of the mask (1), two ends of the nose side sealing element (401) are fixedly connected with a second connecting rope (402) respectively, one ends of the two second connecting ropes (402) are fixedly connected with a chin sealing element (403), and a distance adjusting assembly (5) is mounted outside the second connecting rope (402);
the air inlet assembly (7) comprises a cylinder (701), the cylinder (701) is fixed with one end of a tank body (601), a motor (702) is fixedly connected to the inside of the cylinder (701), a blade (703) is fixedly connected to the output end of the motor (702), a dust screen (705) is fixedly connected to one end of the cylinder (701), a power source (704) is installed on one side of the cylinder (701), and the power source (704) is electrically connected with the motor (702).
2. The respiratory disease care infection-preventing isolation device of claim 1, wherein: roll adjustment subassembly (5) are including movable block (503), the inside of movable block (503) and the outer wall swing joint of No. two connection ropes (402), a plurality of through-holes have been seted up to the lateral wall of movable block (503), and the one end that the one end of No. two connection ropes (402) runs through-hole and chin department sealing member (403) is fixed, the top fixedly connected with fixing spring (502) of movable block (503), the fixed box (501) of top fixedly connected with of fixing spring (502), the inner wall of fixed box (501) and the outer wall of movable block (503) contact, a plurality of holes have been seted up respectively to the lateral wall of fixed box (501) both sides, and the one end through-hole of No. two connection ropes (402).
3. The respiratory disease care infection prevention isolation device of claim 1, wherein: a check valve (3) are including check pipe (301), and the one end of check pipe (301) is fixed mutually with one side of face guard (1), the inside fixedly connected with coupling spring (302) of check pipe (301), the one end fixedly connected with moving member (303) of coupling spring (302), the one end of moving member (303) and the inside one end of check pipe (301) contact, the filter screen is installed to the one end of check pipe (301).
4. The respiratory disease care infection prevention isolation device of claim 1, wherein: the filter assembly (6) comprises a vent pipe (605), one end of the vent pipe (605) is fixed to one side of the face mask (1), the other end of the vent pipe (605) is fixedly connected with a tank body (601), and a filter (603) is arranged inside the tank body (601).
5. The respiratory disease care infection prevention isolation device of claim 1, wherein: one end fixedly connected with of jar body (601) is ventilated and is covered (604), install sealing washer (602) between the one end of ventilated and covered (604) and the one end of filter (603), install sealing washer (602) between the inside of jar body (601) and the other end of filter (603).
6. The respiratory disease care infection prevention isolation device of claim 1, wherein: install leather sheath (9) between a connection rope (2) and No. two connection ropes (402), protective eyepiece (8) are installed on the top of face guard (1), other fixed connection elastic webbing (11) are equallyd divide at the both ends of protective eyepiece (8), the externally mounted of elastic webbing (11) has the ladder to detain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210652420.2A CN114949650A (en) | 2022-06-06 | 2022-06-06 | Respiratory disease nursing infection-preventing isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210652420.2A CN114949650A (en) | 2022-06-06 | 2022-06-06 | Respiratory disease nursing infection-preventing isolation device |
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| CN114949650A true CN114949650A (en) | 2022-08-30 |
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|---|---|---|---|
| CN202210652420.2A Pending CN114949650A (en) | 2022-06-06 | 2022-06-06 | Respiratory disease nursing infection-preventing isolation device |
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