CN221014130U - Dual-purpose face protection mask for high-flow oxygen therapy instrument and noninvasive breathing machine - Google Patents
Dual-purpose face protection mask for high-flow oxygen therapy instrument and noninvasive breathing machine Download PDFInfo
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- CN221014130U CN221014130U CN202220830687.1U CN202220830687U CN221014130U CN 221014130 U CN221014130 U CN 221014130U CN 202220830687 U CN202220830687 U CN 202220830687U CN 221014130 U CN221014130 U CN 221014130U
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- belt
- fixing
- upper lip
- fixing belt
- dual
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- 238000002640 oxygen therapy Methods 0.000 title claims abstract description 29
- 230000029058 respiratory gaseous exchange Effects 0.000 title description 13
- 210000004373 mandible Anatomy 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 210000001202 rhombencephalon Anatomy 0.000 claims description 4
- 206010028748 Nasal obstruction Diseases 0.000 description 10
- 210000003128 head Anatomy 0.000 description 9
- 230000001815 facial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 208000028990 Skin injury Diseases 0.000 description 4
- 210000004556 brain Anatomy 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model provides a dual-purpose face protection mask for a high-flow oxygen therapy instrument and a noninvasive ventilator, relates to the technical field of medical care products, and solves the problem that the prior art cannot be used in two purposes, wherein the left end and the right end of a mandibular support belt are respectively connected with a first fixing belt and a second fixing belt, and the free ends of the first fixing belt and the second fixing belt are detachably connected for tightening the top of the head; the upper lip protecting belt is used for being paved at a position between the nose bottom and the upper lip, the left end and the right end of the upper lip protecting belt are respectively connected with the left end and the right end of the lower jaw supporting belt, a first window for exposing a mouth is formed between the upper lip protecting belt and the lower jaw supporting belt, and the upper lip protecting belt is enclosed with the first fixing belt and the second fixing belt to form a second window; the left end and the right end of the nose bridge protecting belt are respectively detachably connected with the left side and the right side of the mandibular supporting belt, and a third window for exposing nostrils is formed between the nose bridge protecting belt and the upper lip protecting belt. The utility model can be used for patients using high-flow oxygen therapy instruments and noninvasive ventilators.
Description
Technical Field
The utility model relates to the technical field of medical care products, in particular to a dual-purpose face protection mask for a high-flow oxygen therapy instrument and a noninvasive ventilator.
Background
When the high-flow oxygen therapy instrument is clinically used, the nasal obstruction fixing belt is fixed after bypassing the brain, and the nasal obstruction fixing belt is in direct contact with the hair of a patient, so that the nasal obstruction fixing belt is not enough in fixation of the hair, the nasal obstruction fixing belt can be frequently detached, the nasal obstruction fixing belt can be generally tightened to ensure that the nasal obstruction is not detached, but the face of the patient is pressed out by the nasal obstruction fixing belt to be pressed into an indentation, and skin injury is easy to occur. When the noninvasive ventilator is clinically used, the respirator mask can cover the mouth and nose, directly press the cheek, nose bridge and mandible, and the skin injury of the face can be caused for a long time. In order to protect the face and avoid the pain of a patient caused by facial skin injury and influence the treatment effect, one method is to apply the cosmetic Pi Kangfu to the face to protect the skin, and the other method is to apply a facial protection paste to the face to protect the facial skin. However, the existing protective plaster is only suitable for high-flow oxygen therapy instruments or noninvasive ventilators.
Disclosure of utility model
The utility model aims to design a dual-purpose face protection mask for a high-flow oxygen therapy instrument and a noninvasive ventilator, and solves the problem that the protection paste in the prior art cannot be used for two purposes.
The utility model is realized by the following technical scheme:
A dual-purpose face protection mask for a high-flow oxygen therapy instrument and a noninvasive ventilator comprises a main mask and a nose bridge protection belt, wherein the main mask comprises a mandibular support belt, an upper lip protection belt, a first fixing belt and a second fixing belt; the mandibular support belt is used for tightening the mandible; the left end and the right end of the mandibular supporting belt are respectively connected with a first fixing belt and a second fixing belt, and the free end of the first fixing belt and the free end of the second fixing belt are detachably connected together for being used at the top of the head or the hindbrain; the upper lip protecting belt is used for being paved at a position between the nose bottom and the upper lip, the left end and the right end of the upper lip protecting belt are respectively connected with the left end and the right end of the mandibular supporting belt, a first window for exposing a mouth is formed between the upper lip protecting belt and the mandibular supporting belt, and the upper lip protecting belt is enclosed with the first fixing belt and the second fixing belt to form a second window; the nose bridge protection belt is used for being paved and pasted at the nose bridge, the left end and the right end of the nose bridge protection belt are respectively detachably connected with the left side part and the right side part of the main face cover, and a third window for exposing nostrils is formed between the nose bridge protection belt and the upper lip protection belt.
When the structure is adopted, the mandible supporting belt is used for tightening the mandible, and the first fixing belt and the second fixing belt are connected and fixed on the head, so that the dual-purpose face protection mask can be stably fixed on the face of a patient. The left and right ends of the nose bridge protecting belt are respectively and detachably connected with the left side and the right side of the main mask, so that when the nose bridge protecting belt is not detached, the dual-purpose face protecting mask can be used for a patient using a noninvasive breathing machine, the nose bridge protecting belt, the mandibular supporting belt, the first fixing belt and the second fixing belt are separated between the breathing mask and the face skin, when the nose bridge protecting belt is detached, the dual-purpose face protecting mask can be used for the patient using the high-flow oxygen therapy instrument, and the first fixing belt and the second fixing belt can be separated between the nose plug fixing belt and the hair to provide a stable fixing effect and avoid the nose plug from falling off. The mandibular support belt can also play a role in preventing the patient from breathing by opening mouth in the using process, so that the gas is prevented from being injected into the stomach, discomfort of the patient is increased, and treatment is affected.
Further, in order to better realize the utility model, the following arrangement structure is adopted: and cheek protection sheets are arranged at the joint positions of the left end of the upper lip protection belt and the first fixing belt and the joint positions of the right end of the upper lip protection belt and the second fixing belt at the inner side of the second window and are used for being paved on cheek parts.
With the adoption of the arrangement structure, the cheek protection sheets are arranged to increase the protection surface on the inner side of the second window, so that more face protection can be provided, and the skin of a patient is completely separated from the breathing mask.
Further, in order to better realize the utility model, the following arrangement structure is adopted: the bandwidths of the first fixing band and the second fixing band are not less than 3.5cm.
Further, in order to better realize the utility model, the following arrangement structure is adopted: the bandwidth of the nose bridge protecting band is not less than 2cm.
Further, in order to better realize the utility model, the following arrangement structure is adopted: the free end of the first fixing strap and the free end of the second fixing strap are provided with first magic tapes which are used for being detachably connected with each other.
Further, in order to better realize the utility model, the following arrangement structure is adopted: the first magic tape on the first fixing band extends along the length direction of the first magic tape.
When the setting structure is adopted, the first magic tape on the first fixing belt extends along the length direction of the first magic tape, so that the connection tightness of the first fixing belt and the second fixing belt can be adjusted.
Further, in order to better realize the utility model, the following arrangement structure is adopted: the nose bridge protecting belt is detachably connected with the mandibular supporting belt.
Further, in order to better realize the utility model, the following arrangement structure is adopted: the nose bridge protecting belt is detachably connected with the mandibular supporting belt through a second magic tape.
Further, in order to better realize the utility model, the following arrangement structure is adopted: the main panel is an integral structural member.
Further, in order to better realize the utility model, the following arrangement structure is adopted: the nose bridge protecting belt, the mandibular supporting belt, the upper lip protecting belt, the first fixing belt and the second fixing belt are all arranged to be high-elastic knitted fabric structural parts.
When the setting structure is adopted, the main mask and the nose bridge protecting belt made of the high-elastic knitted fabric have good elasticity and skin adhesion, so that wearing comfort can be improved, and the nose bridge protecting belt is also applicable to patients with different head sizes.
The utility model has the following advantages and beneficial effects:
In the utility model, the mandibular support belt is used for tightening the mandible, and the first fixing belt and the second fixing belt are connected and fixed on the head, so that the dual-purpose face protection mask can be stably fixed on the face of a patient. The left and right ends of the nose bridge protecting belt are respectively and detachably connected with the left side and the right side of the main mask, so that when the nose bridge protecting belt is not detached, the dual-purpose face protecting mask can be used for a patient using a noninvasive breathing machine, the nose bridge protecting belt, the mandibular supporting belt, the first fixing belt and the second fixing belt are separated between the breathing mask and the face skin, when the nose bridge protecting belt is detached, the dual-purpose face protecting mask can be used for the patient using the high-flow oxygen therapy instrument, and the first fixing belt and the second fixing belt can be separated between the nose plug fixing belt and the hair to provide a stable fixing effect and avoid the nose plug from falling off. The mandibular support belt can also play a role in preventing the patient from breathing by opening mouth in the using process, so that the gas is prevented from being injected into the stomach, discomfort of the patient is increased, and treatment is affected.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a high flow oxygen therapy apparatus and a noninvasive ventilator dual-purpose face-protecting mask;
FIG. 2 shows the application of the high flow oxygen therapy apparatus;
fig. 3 shows the case of application to a noninvasive ventilator;
Marked in the figure as:
1. A mandibular support belt; 2. an upper lip protective tape; 3. a first fixing strap; 4. a second fixing strap; 5. a nose bridge protecting band; 6. a first window; 7. a second window; 8. a third window; 9. cheek protection sheets; 10. a first magic tape; 11. and a second magic tape.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
Example 1:
The dual-purpose face protection mask for the high-flow oxygen therapy instrument and the noninvasive ventilator can be used for a patient using the high-flow oxygen therapy instrument and a patient using the noninvasive ventilator, and is particularly provided with the following structure as shown in fig. 1, 2 and 3:
The dual-purpose face protection mask comprises a main mask and a nose bridge protection belt 5, wherein the main mask is formed by cutting cloth and is used for being fixedly worn on the face of a patient and exposing the mouth, the nose, eyes and the parts above the eyes, and the nose bridge protection belt 5 is used for protecting the nose bridge part on the basis of the main mask. The dual-purpose face protection mask has the main effects of separating the high-flow oxygen therapy instrument from the part of the noninvasive ventilator, which directly contacts with the facial skin, so as to avoid facial skin injury caused by long-term wearing.
The main mask is an integral structure and comprises a mandibular supporting belt 1, an upper lip protecting belt 2, a first fixing belt 3 and a second fixing belt 4.
The mandibular support belt 1 is an arc-shaped belt which is used for tightening the mandible. The left end and the right end of the mandibular supporting belt 1 are respectively connected with a first fixing belt 3 and a second fixing belt 4, the free ends of the first fixing belt 3 and the second fixing belt 4 are sewed with connecting pieces which are used for being mutually detachable, and the free ends of the first fixing belt 3 and the second fixing belt 4 are mutually connected through the connecting pieces and then used for being tied at the head top or the hindbrain. The mandibular support strap 1 is tightened around the mandible, and the first and second fixing straps 3 and 4 are tightened around the top of the head or the hindbrain, so that the main mask can be stably fixed on the face of the patient. The bandwidths of the first fixing belt 3 and the second fixing belt 4 are required to be larger than those of the nasal obstruction fixing belt of the high-flow oxygen therapy instrument, so that the nasal obstruction fixing belt can be completely contacted with the first fixing belt 3 and the second fixing belt 4 to ensure that the nasal obstruction is stable and does not fall off, and therefore, the bandwidths of the first fixing belt 3 and the second fixing belt 4 are generally not smaller than 3.5cm.
The upper lip protecting belt 2 is transversely arranged, the left end and the right end of the upper lip protecting belt 2 are respectively and irremovably connected at the left end and the right end of the lower jaw supporting belt 1 and are used for being paved at a position between the nose bottom and the upper lip, a first window 6 for exposing the mouth is formed between the lower side edge of the upper lip protecting belt 2 and the upper side edge of the lower jaw supporting belt 1, and a second window 7 is formed by encircling the upper side edge of the upper lip protecting belt 2 with the inner sides of the first fixing belt 3 and the second fixing belt 4 when the first fixing belt 3 and the second fixing belt 4 are connected.
The nose bridge protecting belt 5 is transversely arranged and spans the second window 7, the length of the nose bridge protecting belt 5 is larger than that of the upper lip protecting belt 2, the left end and the right end of the nose bridge protecting belt 5 are respectively detachably connected with the left side and the right side of the main face mask, such as the left end and the right end of the mandibular supporting belt 1, a third window 8 for exposing nostrils is formed between the lower side edge of the nose bridge protecting belt 5 and the upper side edge of the upper lip protecting belt 2, and is used for being paved at the nose bridge. The width of the nose bridge protecting band 5 is generally not less than 2 cm.
In the embodiment, the mandibular supporting belt 1 is used for tightening the mandible, and the first fixing belt 3 and the second fixing belt 4 are connected and fixed on the head, so that the dual-purpose face protection mask can be stably fixed on the face of a patient. The left and right ends of the nose bridge protecting belt 5 are detachably connected with the left and right side parts of the main mask respectively, so that when the nose bridge protecting belt 5 is not detached, the dual-purpose face protecting mask can be used for a patient using a noninvasive breathing machine, the nose bridge protecting belt 5, the mandibular supporting belt 1, the first fixing belt 3 and the second fixing belt 4 are separated between the breathing mask and the face skin, when the nose bridge protecting belt 5 is detached, the dual-purpose face protecting mask can be used for a patient using a high-flow oxygen therapy instrument, and the first fixing belt 3 and the second fixing belt 4 can be separated between the nose plug fixing belt and hair to provide a stable fixing effect and avoid nose plug falling. The mandibular supporting belt 1 can also play a role in preventing the patient from breathing by opening mouth in the using process, so that the gas is prevented from being injected into the stomach, the discomfort of the patient is increased, and the treatment is influenced.
Example 2:
the embodiment is further optimized based on the embodiment, and further, for better realizing the utility model, the following arrangement structure is adopted:
In this embodiment, the cheek protecting mask is provided with a cheek protecting sheet 9 on the inner side of the second window 7, specifically, a cheek protecting sheet 9 for covering the cheek is provided on the joint portion between the left end of the upper lip protecting belt 2 and the first fixing belt 3 and the joint portion between the right end of the upper lip protecting belt 2 and the second fixing belt 4, and the cheek protecting sheet 9 is used for being paved on the cheek during use.
In this embodiment, the cheek protection sheet 9 is provided to add a protection surface inside the second window 7, which can provide more facial protection, completely separating the patient's skin from the respiratory mask.
Example 3:
the embodiment is further optimized based on the embodiment, and further, for better realizing the utility model, the following arrangement structure is adopted:
In the embodiment, the dual-purpose face protection mask is sewn with a first magic tape 10 which is used for mutually and detachably connecting with the free end of the first fixing belt 3 and the free end of the second fixing belt 4, and is sewn with a second magic tape 11 which is used for mutually and detachably connecting with the nose bridge protection belt 5 and the mandibular support belt 1.
The first magic tape 10 sewn on the front surface of the first fixing strap 3 is a hook surface, and the first magic tape 10 sewn on the back surface of the second fixing strap 4 is a rough surface. The second magic tape 11 sewn on the back of the nose bridge protecting belt 5 is a hook surface, and the second magic tape 11 sewn on the front of the mandibular supporting belt 1 is a rough surface.
Preferably, the first hook and loop fastener 10 on the first fixing strap 3 extends along the length direction thereof, so that the connection tightness of the first fixing strap 3 and the second fixing strap 4 can be adjusted, and different use requirements can be met.
Example 4:
the embodiment is further optimized based on the embodiment, and further, for better realizing the utility model, the following arrangement structure is adopted:
In the embodiment, the nose bridge protecting belt 5, the mandibular supporting belt 1, the upper lip protecting belt 2, the first fixing belt 3 and the second fixing belt 4 in the dual-purpose face protecting mask are all arranged to be high-elasticity knitted fabric structural parts, and the main mask and the nose bridge protecting belt 5 manufactured by the high-elasticity knitted fabric have good elasticity and skin adhesion, so that wearing comfort can be improved, and the dual-purpose face protecting mask is also applicable to patients with different head sizes.
The two-purpose face protection mask is fixed on the face by binding the mandibular supporting belt 1 and the first fixing belt 3 and the second fixing belt 4 which are connected with each other, and is connected with the skin in different sticking modes, so that the comfort of long-term wearing can be ensured, and the mask can be reused. The upper lip protecting band 2 is transversely paved on the area between the nose bottom and the upper lip of the patient, can be used for separating the nose plug from the skin, and can also keep the interval between the fixing bands at the two sides, so that the main face mask can be stably lapped on the face of the patient. The cheek protecting sheet 9 covers a portion of the cheek. The first strap 3 and the second strap 4 are passed around the back of the brain from the cheek side of the patient via the front of the ear and then around the back of the brain. When the patient uses the high-flow oxygen therapy instrument, the nose bridge protecting belt 5 is not required to be installed, and when the patient uses the noninvasive breathing machine, the nose bridge protecting belt 5 is required to be pasted on the mandibular supporting belt 1 to be transversely paved at the nose bridge due to the fact that the patient uses the oxygen mask. The first window 6 exposes the mouth of the patient, the second window exposes the portion of the patient above the nose bridge protection band 5, and the third window 8 protects the nose of the patient.
The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered.
Claims (10)
1. A dual-purpose face protection mask for a high flow oxygen therapy apparatus and a noninvasive ventilator, characterized in that: comprises a main mask and a nose bridge protecting belt (5), wherein the main mask comprises a mandibular supporting belt (1), an upper lip protecting belt (2), a first fixing belt (3) and a second fixing belt (4);
the mandibular support belt (1) is used for tightening the mandible;
The left end and the right end of the mandibular supporting belt (1) are respectively connected with a first fixing belt (3) and a second fixing belt (4), and the free end of the first fixing belt (3) and the free end of the second fixing belt (4) are detachably connected together for being tied at the top of the head or the hindbrain;
the upper lip protecting belt (2) is used for being paved at a position between the nose bottom and the upper lip, the left end and the right end of the upper lip protecting belt (2) are respectively connected with the left end and the right end of the lower jaw supporting belt (1), a first window (6) for exposing a mouth is formed between the upper lip protecting belt (2) and the lower jaw supporting belt (1), and the upper lip protecting belt (2) is enclosed with the first fixing belt (3) and the second fixing belt (4) to form a second window (7);
The nose bridge protection belt (5) is used for being paved and pasted at the nose bridge, the left end and the right end of the nose bridge protection belt (5) are respectively and detachably connected with the left side part and the right side part of the main face cover, and a third window (8) for exposing nostrils is formed between the nose bridge protection belt (5) and the upper lip protection belt (2).
2. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in claim 1, wherein: inside the second window (7), a cheek protection sheet (9) is arranged at the joint part of the left end of the upper lip protection belt (2) and the first fixing belt (3) and the joint part of the right end of the upper lip protection belt (2) and the second fixing belt (4), and the cheek protection sheet (9) is used for being paved on the cheek part.
3. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in claim 1, wherein: the bandwidths of the first fixing band (3) and the second fixing band (4) are not smaller than 3.5cm.
4. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in claim 3, wherein: the bandwidth of the nose bridge protecting band (5) is not less than 2cm.
5. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in claim 1, wherein: the free end of the first fixing strap (3) and the free end of the second fixing strap (4) are provided with first magic tapes (10) which are used for mutually and detachably connecting.
6. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in claim 5, wherein: the first magic tape (10) on the first fixing strap (3) extends along the length direction thereof.
7. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in claim 1, wherein: the nose bridge protecting belt (5) is detachably connected to the mandibular supporting belt (1).
8. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in claim 7, wherein: the nose bridge protecting belt (5) is detachably connected with the mandibular supporting belt (1) through a second magic tape (11).
9. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in claim 1, wherein: the main panel is an integral structural member.
10. A dual-purpose face protection mask for high flow oxygen therapy devices and non-invasive ventilators as defined in any one of claims 1-9, wherein: the nose bridge protective belt (5), the mandibular supporting belt (1), the upper lip protective belt (2), the first fixing belt (3) and the second fixing belt (4) are all arranged to be high-elastic knitted fabric structural parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220830687.1U CN221014130U (en) | 2022-04-11 | 2022-04-11 | Dual-purpose face protection mask for high-flow oxygen therapy instrument and noninvasive breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220830687.1U CN221014130U (en) | 2022-04-11 | 2022-04-11 | Dual-purpose face protection mask for high-flow oxygen therapy instrument and noninvasive breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221014130U true CN221014130U (en) | 2024-05-28 |
Family
ID=91132344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220830687.1U Active CN221014130U (en) | 2022-04-11 | 2022-04-11 | Dual-purpose face protection mask for high-flow oxygen therapy instrument and noninvasive breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221014130U (en) |
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2022
- 2022-04-11 CN CN202220830687.1U patent/CN221014130U/en active Active
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