CN213074564U - Medical positive pressure ventilation protective clothing - Google Patents
Medical positive pressure ventilation protective clothing Download PDFInfo
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- CN213074564U CN213074564U CN202020487748.XU CN202020487748U CN213074564U CN 213074564 U CN213074564 U CN 213074564U CN 202020487748 U CN202020487748 U CN 202020487748U CN 213074564 U CN213074564 U CN 213074564U
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- protective clothing
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- trousers
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- 230000001681 protective effect Effects 0.000 title claims abstract description 145
- 238000009423 ventilation Methods 0.000 title claims abstract description 30
- 229920000297 Rayon Polymers 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 24
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 3
- 206010003497 Asphyxia Diseases 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 208000015181 infectious disease Diseases 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 208000035473 Communicable disease Diseases 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 210000004247 hand Anatomy 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 5
- 239000008280 blood Substances 0.000 description 5
- 210000001124 body fluid Anatomy 0.000 description 5
- 239000010839 body fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 244000052769 pathogen Species 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000028327 secretion Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000711573 Coronaviridae Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000035474 group of disease Diseases 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model relates to a medical positive pressure ventilation protective clothing, which comprises a closed conjoined clothing consisting of a head cover, a jacket and trousers; wherein the headgear has transparent face guard at least anterior, its top has the gas vent of built-in check valve, it has a inseam that the zip fastener just pasted the viscose to be equipped with from the lower part of trousers crotch to the headgear top, its back waist position is equipped with an air inlet, the waist has the waistband, hang the air-blower that has air cleaner on the waistband, the gas outlet and the clothing waist air inlet zonulae occludens of air-blower, the battery for the air-blower power supply also hangs on the waistband and links to each other with the air-blower through the electric wire that has the plug, especially: the air inlet of the waist of the protective suit is provided with a one-way valve. The protective clothing can not be stuffy and suffocated when being worn, has good protective effect, and can avoid the suffocation of medical staff wearing the protective clothing by the breathing motion of the protective clothing when the clean air conveying mechanism stops working due to reasons.
Description
Technical Field
The utility model relates to a medical protective clothing, in particular to a medical positive pressure ventilation protective clothing.
Background
Infectious diseases are a common and frequently occurring disease, which is a group of diseases caused by various pathogens that can be transmitted from person to person or from person to animal. Some of these infections are very contagious, such as the new coronavirus pneumonia that is currently circulating. Patients infected with these diseases have a high fatality rate if they are not treated in time, and the health and normal social order of people are seriously harmed. The highest incidence of infection during an epidemic is that of medical personnel who are required to wear medical protective clothing against pathogens because of the close access to droplets, blood, body fluids and secretions from potentially infectious patients during their work. The currently commonly used medical protective clothing has poor functions of air permeability and water permeability, so that people feel very hot when wearing the protective clothing and often have sweat flowing down the back, thereby bringing great pain to medical staff; in addition, when the protective clothing is worn, the mask with good filtering function must be worn, and the breathing resistance and the ventilation of dead space are increased when the mask is worn, so that the medical staff wearing the protective clothing can feel suffocated, and the normal work of the medical staff is influenced. In order to solve the above problem, chinese patent application CN03258015.0 provides a solution: the positive pressure closed disposable medical protective clothing is one-piece clothing comprising a head cover, an upper clothing, trousers and shoe covers; wherein the face mask at the front part of the head cover is made of transparent material, and the center of the top part of the face mask is provided with an exhaust pipe internally provided with a one-way valve; a front covering with a zipper sewn in the inner part and a thread gluing stuck on the front covering is arranged from the waist part at the left front side of the jacket to the ear part at the left side of the head cover, a purified air input hole which is internally provided with a filter and can be connected with a portable purified air conveyor is arranged at the back waist part, and a hand adjusting tab capable of adjusting the tightness of the wrist is arranged outside the cuff; the outside of the trouser leg connected with the shoe cover is also provided with a foot adjusting loop which can adjust the tightness of the ankle. The positive pressure closed disposable medical protective clothing adopts a full closed design one-piece clothing, the back waist part of the coat is provided with a purified air input hole which can be connected with a portable purified air conveyor, and the top part of the head cover is provided with an exhaust pipe internally provided with a one-way valve, so that the protective clothing not only can effectively block the spray, blood, body fluid or secretion of infectious disease patients, but also can ensure that medical staff can obtain sufficient fresh air in the closed protective clothing and can timely exhaust waste gas and heat, thereby being particularly suitable for the medical staff in contact with the infectious disease patients to wear.
The positive pressure closed medical protective clothing is also called as medical positive pressure ventilation protective clothing, can ensure that medical staff does not feel hot and feel suffocated when in use, and can fully isolate pathogens, thereby being a great progress. However, portable clean air conveyors are electrical devices and have a certain chance of failure during use. If the portable clean air handler should cease operation due to a failure, the medical personnel wearing the protective garment may be exposed to a choking hazard due to the loss of oxygen supply. Therefore, the medical positive pressure ventilation protective clothing is used in the actual work of resisting epidemic situations, and the potential safety hazard must be eliminated. However, no technical solution for solving the problem is available at present.
Disclosure of Invention
An object of the utility model is to provide a medical malleation protective clothing of ventilating, it is not sultry, do not suffocate, to the isolation of pathogen more abundant when can letting medical staff use to this kind of medical malleation protective clothing of ventilating, moreover after air-purifying conveying mechanism stop work, still can guarantee that medical staff can not suffocate because of the oxygen deficiency.
In order to achieve the aim, the medical positive pressure ventilation protective clothing provided by the utility model is one-piece clothing consisting of a head cover, a coat and trousers; wherein at least the front face mask of the head cover is made of transparent material to ensure the visual needs of medical staff; the top of the head sleeve is provided with an exhaust port internally provided with a one-way valve; a front cover with a zipper and adhesive is sewed from the crotch of the trousers to the top of the head cover; especially, the back waist part of the jacket is provided with an air inlet with a one-way valve, the waist part is provided with a belt, the belt is hung with an air blower with an air filter, the air outlet of the air blower is tightly connected with the air inlet on the garment, the belt is also hung with a battery for supplying power to the air blower, and the air blower and the air inlet are connected with each other through a wire with a plug to form the purified air conveying mechanism. When the purified air conveying mechanism is started, the clean air is slowly blown into the protective clothing, and then is exhausted out of the protective clothing through the upper half body, the head and the face of the medical staff and the exhaust port at the upper part of the top of the head. Thus, medical staff can not feel sultriness and suffocated, and the isolation of pathogens is more sufficient. However, the portable purified air delivery mechanism is an electrical appliance and has a chance of failure during use. If the portable clean air delivery mechanism should cease functioning due to a failure, the medical personnel wearing the protective garment may be exposed to a danger of being out of the office due to a loss of oxygen supply. The medical positive pressure ventilation protective clothing provided by the utility model cannot prevent air from flowing backwards because the one-way valve is arranged inside the air inlet arranged at the back of the jacket, and air only enters the protective clothing and is not allowed to flow backwards. This one-way valve has two functions: one is that the air in the protective clothing is prevented from being exhausted from the air inlet immediately after the purified air conveying mechanism stops working, the air which is filled in the protective clothing at that time is temporarily kept, and medical staff can have certain oxygen supply in a short time in the process that the air in the protective clothing is slowly exhausted from the lower part of the protective clothing to the outside of the protective clothing from the air outlet with the one-way valve on the top of the head through the head and the face; the other function is that the user of the protective clothing grasps the fabric of the middle part of the chest of the protective clothing by hands and continuously performs the actions of forward pulling and backward pressing, negative pressure is formed in the protective clothing during pulling, air can enter the protective clothing through the blower with the filter and the clothing air inlet, and the internal air can only be discharged to the outside of the protective clothing from the air outlet above the head and the face during pressing. The safety guarantee is provided for medical staff to deal with the fault that the purified air conveying mechanism stops working. In order to facilitate the breathing movement of the protective clothing by the person using the medical positive pressure ventilation protective clothing, the left side and the right side of the chest midline of the protective clothing are respectively nailed with a belt loop, so that the belt loops can be grasped by two hands more conveniently and more powerfully when the protective clothing breathes.
If two openings of the trousers are respectively provided with a complete shoe cover which is connected with the trousers in a sealing way to form a whole, the sealing performance of the medical positive pressure ventilation protective clothing is better.
If the ear part from the lower part of the front crotch of the trousers to the left side of the head sleeve is provided with the front placket which is internally sewed with the zipper and is stuck with the viscose, the medical staff can conveniently and independently complete the putting on and taking off of the protective clothing.
If a back placket with a zipper and adhesive is sewed from the lower part of the crotch of the trousers to the back top of the head cover, the medical staff must assist the patient when putting on and taking off the protective clothing, but the front of the protective clothing closest to the patient is changed into a closed whole, and the isolation of pollution is more reliable.
Drawings
The following describes the medical positive pressure ventilation protective clothing of the present invention in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is a front view structure schematic diagram of a specific embodiment 1 of the medical positive pressure ventilation protective clothing of the present invention.
Fig. 2 is a rear view structure diagram of the medical positive pressure ventilation protective clothing according to the embodiment 1 of the present invention.
Fig. 3 is a front view structure schematic diagram of the medical positive pressure ventilation protective clothing according to the embodiment 2 of the present invention.
Fig. 4 is a schematic rear view structure diagram of embodiment 2 of the medical positive pressure ventilation protective clothing of the present invention.
Fig. 5 is a front view structure schematic diagram of the medical positive pressure ventilation protective clothing according to the embodiment 3 of the present invention.
Fig. 6 is a schematic rear view structure diagram of embodiment 3 of the medical positive pressure ventilation protective clothing of the present invention.
Detailed Description
Example 1
As shown in fig. 1 and fig. 2, the utility model provides a medical positive pressure ventilation protective clothing is a one-piece protective clothing composed of a head cover (1), a coat (2) and trousers (3): wherein the face mask (4) at the front part of the head cover (1) is made of transparent material, so that the requirement of medical staff on the object can be ensured when the medical staff work, and the top of the head cover (1) is provided with an exhaust port (5) with a one-way valve. A front placket (6) with a zipper and adhesive is sewed in the inner part from the lower part of the front crotch of the trousers (3) to the ear part at the left side of the head cover (1), which is convenient for medical staff to independently complete the putting on and taking off of the protective clothing. Particularly, the air inlet (7) arranged at the back waist part of the coat (2) is provided with a one-way valve, the waist part of the coat (2) is provided with a belt (8), the belt (8) is hung with a blower (9) provided with a filter, the exhaust port of the blower (9) is tightly connected with the air inlet (7) at the back waist part, the belt (8) is also hung with a battery (10) for supplying power to the blower (9), the two are mutually connected through an electric wire (11) with a plug to form a purified air conveying mechanism, when the medical staff wears the protective clothing to pull up all zippers, the protective clothing becomes a closed conjoined body, and the threats of spray, blood, body fluid and secretion of an infectious disease patient are effectively blocked; clean air is continuously fed into the protective clothing by starting the purified air delivery mechanism, passes through the upper body of the medical staff, passes through the head including the mouth and the nose, and is finally discharged to the outside of the protective clothing from an exhaust port (5) above the top of the head. Therefore, the medical positive pressure ventilation protective clothing can not be stuffy and suffocated when being worn, and has better protective effect. The purified air conveying mechanism is an electric appliance and is difficult to avoid the time of failure and stop working. Other medical positive pressure ventilation protective clothing have the danger that causes medical staff to suffocate under this condition, and the utility model provides a this kind of medical positive pressure ventilation protective clothing can not. A one-way valve is arranged in an air inlet (7) arranged at the back waist part of the protective clothing, and only air is allowed to enter the protective clothing and not allowed to flow backwards. This one-way valve has two functions: one is that the air in the protective clothing is prevented from being discharged from the air inlet (7) immediately after the purified air conveying mechanism stops working, the air filled in the protective clothing is temporarily kept, and medical staff can have certain oxygen supply in a short time in the process that the air in the protective clothing is slowly discharged from the lower part of the protective clothing to the outside of the protective clothing from the air outlet (5) with the one-way valve on the top of the head through the head and the face; the other function is that a user of the protective clothing grasps the fabric of the middle part of the chest of the upper garment (2) of the protective clothing by hands and continuously performs forward pulling and backward pressing actions, negative pressure is formed in the protective clothing during pulling, air can enter the protective clothing through the air blower (9) with the filter and the air inlet (7) of the protective clothing, and the air in the protective clothing can be discharged to the outside of the protective clothing only from the air outlet (5) above the head and the face because the air inlet (7) is provided with the one-way valve. The safety guarantee is provided for medical staff to deal with the fault that the purified air conveying mechanism stops working.
Example 2
As shown in fig. 3 and 4, the utility model provides a medical positive pressure ventilation protective clothing is a one-piece protective clothing composed of a head cover (1), a coat (2) and trousers (3): wherein the face mask (4) at the front part of the head cover (1) is made of transparent material, so that the requirement of medical staff on the object can be ensured when the medical staff work, and the top of the head cover (1) is provided with an exhaust port (5) with a one-way valve. A front placket (6) with a zipper and adhesive is sewed in the inner part from the lower part of the front crotch of the trousers (3) to the ear part at the left side of the head cover (1), which is convenient for medical staff to independently complete the putting on and taking off of the protective clothing. The air inlet (7) arranged at the back waist part of the jacket (2) is provided with a one-way valve, the waist part of the jacket (2) is provided with a belt (8), the belt (8) is hung with an air blower (9) provided with a filter, the exhaust port of the air blower (9) is tightly connected with the air inlet (7) at the back waist part, the belt (8) is also hung with a battery (10) for supplying power to the air blower (9), the air blower and the belt are mutually connected through an electric wire (11) with a plug to form a purified air conveying mechanism, and particularly, a belt loop (12) is respectively nailed at the left side and the right side near the front chest midline of the jacket (2. When medical staff wear the protective clothing and pull the zipper up completely, the protective clothing becomes a closed conjoined body, and the threat of droplets, blood, body fluid and secretion of patients with infectious diseases is effectively blocked; the purified air delivery mechanism is started to continuously deliver clean air into the protective clothing, the air passes through the upper body of the medical staff, passes through the head, including the mouth and the nose, and is finally discharged to the outside of the protective clothing from the air outlet (5) on the top of the head. Therefore, the protective clothing can not be sultry and suffocated when the medical positive pressure ventilation protective clothing is worn, and the protective effect is better. The purified air conveying mechanism is an electric appliance and is difficult to avoid the time of failure and stop working. Other medical positive pressure ventilation protective clothing have the danger that causes medical staff to suffocate under this kind of condition, and the utility model provides a this kind of medical positive pressure ventilation protective clothing can not. The air inlet (7) arranged at the back waist part of the protective clothing is provided with a one-way valve, and only air is allowed to enter the protective clothing and not allowed to flow backwards. This one-way valve has two functions: one is that the air in the protective clothing is prevented from being exhausted from the air inlet (7) immediately after the purified air conveying mechanism stops working, the air filled in the protective clothing is temporarily kept, and medical staff can have certain oxygen supply in a short time in the process that the air in the protective clothing is slowly exhausted from the lower part of the protective clothing to the outside of the protective clothing from the air outlet (5) with the one-way valve on the top of the head through the head and the face; the other function is that a user of the protective clothing grips the belt loops (12) on the left side and the right side near the chest midline of the upper garment (2) of the protective clothing by hands, and continuously performs forward pulling and backward pressing actions, negative pressure is formed in the protective clothing during pulling, air can enter the protective clothing through a blower (9) with an air filter and an air inlet (7) of the protective clothing, and the air in the protective clothing can be discharged to the outside of the protective clothing only from an air outlet (5) above the head because the air inlet (7) has a one-way valve during pressing, the process is called as the self-breathing movement of the protective clothing, and the belt loops (12) near the chest midline of the upper garment (2) are gripped by two hands to perform the self-breathing movement of the protective clothing more conveniently and more reliably than the fabric of the upper garment. When the protective clothing breathes, air provides oxygen needed by a user through the mouth and the nose and is filtered clean gas. Thus, no suffocation occurs and there is no risk of infection. The safety guarantee is provided for medical staff to deal with the fault that the purified air conveying mechanism stops working leisurely.
Example 3
As shown in fig. 5 and 6: the utility model provides a medical malleation protective clothing of ventilating is the disjunctor protective clothing who comprises headgear (1), jacket (2), trousers (3): wherein the face mask (4) at the front part of the head cover (1) is made of transparent material, so that the requirement of medical staff on the object can be ensured when the medical staff work, and the top of the head cover (1) is provided with an exhaust port (5) with a one-way valve. The air inlet (7) arranged at the back waist part of the jacket (2) is provided with a one-way valve, the waist part of the jacket (2) is provided with a waistband (8), the waistband (8) is hung with an air blower (9) provided with a filter, an exhaust port of the air blower (9) is tightly connected with the air inlet (7) at the back waist part, the waistband (8) is also hung with a battery (10) for supplying power to the air blower (9), the two are mutually connected through an electric wire (11) with a plug to form a purified air conveying mechanism, particularly, two trouser mouths at the lower side of trousers (3) are respectively provided with a complete shoe cover (13) which is hermetically connected with the trousers into a whole, a back shielding front (14) with a zipper and adhesive is arranged at the back of the protective clothing, and the back shielding front (14) is upwards arranged from the lower part of the back shielding of the. Thus, although medical staff must be assisted when putting on or taking off the clothes, the front of the protective clothing closest to the patient is changed into a closed whole, and the opening of the trousers at the lower edge of the trousers (3) is closed by the complete shoe cover (13), so that the pollution isolation of the protective clothing is more reliable. When medical staff wear the protective clothing and pull the zipper up completely, the protective clothing becomes a closed conjoined body, and the threat of the droplets, blood, body fluid and secretion of the patients with infectious diseases is effectively blocked; the purified air delivery mechanism is started to continuously deliver clean air into the protective clothing, the air passes through the upper body of the medical staff, passes through the head part including the mouth and the nose, and is finally discharged to the outside of the protective clothing from the air outlet (5) on the top of the head. Therefore, the medical positive pressure ventilation protective clothing can not be stuffy and suffocated when being worn, and has better protective effect. The purified air conveying mechanism is an electric appliance, and the trouble can be avoided when the purified air conveying mechanism stops working. Other medical positive pressure ventilation protective clothing have the danger that causes medical staff to suffocate under this kind of condition, and the utility model provides a this kind of medical positive pressure ventilation protective clothing can not. A one-way valve is arranged in an air inlet (7) arranged at the back waist of the protective clothing, and only air is allowed to enter the protective clothing and not allowed to flow backwards. This one-way valve has two functions: one is that the air in the protective clothing is prevented from being discharged from the air inlet (7) immediately after the purified air conveying mechanism stops working, the air filled in the protective clothing is temporarily kept, and medical staff can have certain oxygen supply in a short time in the process that the air in the protective clothing is slowly discharged from the lower part of the protective clothing to the outside of the protective clothing from the air outlet (5) with the one-way valve on the top of the head through the head and the face; the other function is that a user of the protective clothing grasps the fabric of the middle part of the chest of the upper garment (2) of the protective clothing by hands and continuously performs forward pulling and backward pressing actions, negative pressure is formed in the protective clothing during pulling, air can enter the protective clothing through the air blower (9) with the filter and the air inlet (7) of the protective clothing, and the air in the protective clothing can be discharged to the outside of the protective clothing only from the air outlet (5) above the head and the face because the air inlet (7) is provided with the one-way valve during pressing. The safety guarantee is provided for medical staff to deal with the fault that the purified air conveying mechanism stops working from the mean time.
Claims (5)
1. A medical positive pressure ventilation protective clothing comprises a one-piece suit consisting of a head cover (1), a coat (2) and trousers (3); wherein headgear (1) at least front portion is equipped with face guard (4) of transparent material, there is one gas vent (5) that has the check valve headgear (1) top, it has the zip fastener and pastes the front of a garment that covers of viscose to be equipped with an inseam from trousers (3) crotch portion to the top of headgear (1), jacket (2) back waist position has an air inlet (7), the waist has waistband (8), hang air-blower (9) that have air cleaner on waistband (8), waist air inlet (7) zonulae occludens behind gas outlet and jacket (2) of air-blower (9), battery (10) for air-blower (9) power supply also hang on waistband (8), battery (10) link to each other through electric wire (11) that have the plug with air-blower (9), characterized by: the air inlet (7) at the back waist of the jacket (2) is provided with a one-way valve.
2. The medical positive airway pressure protective garment of claim 1, wherein: the left side and the right side of the chest midline of the protective clothing jacket (2) are respectively provided with a belt loop (12).
3. The medical positive airway pressure protective garment of claim 1, wherein: two trouser openings under the trousers (3) are respectively provided with a complete shoe cover (13) which is connected with the trousers in a sealing way to form a whole.
4. The medical positive airway pressure protective garment of claim 1, wherein: a front placket (6) with a zipper and adhesive is arranged at the front of the protective suit from the lower part of the front crotch of the trousers (3) to the ear part at one side of the head cover (1).
5. The medical positive airway pressure protective garment of claim 1, wherein: the back placket (14) with the zipper and the viscose is arranged at the back of the protective clothing and extends from the lower part of the back of the trousers (3) to the top of the back of the head cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020487748.XU CN213074564U (en) | 2020-04-01 | 2020-04-01 | Medical positive pressure ventilation protective clothing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020487748.XU CN213074564U (en) | 2020-04-01 | 2020-04-01 | Medical positive pressure ventilation protective clothing |
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| Publication Number | Publication Date |
|---|---|
| CN213074564U true CN213074564U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020487748.XU Expired - Fee Related CN213074564U (en) | 2020-04-01 | 2020-04-01 | Medical positive pressure ventilation protective clothing |
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| CN (1) | CN213074564U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113519944A (en) * | 2021-07-21 | 2021-10-22 | 山西新华防化装备研究院有限公司 | Positive pressure type medical protective suit |
| CN115500566A (en) * | 2022-10-11 | 2022-12-23 | 中国航空工业集团公司西安飞机设计研究所 | Multifunctional special environment protection equipment |
-
2020
- 2020-04-01 CN CN202020487748.XU patent/CN213074564U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113519944A (en) * | 2021-07-21 | 2021-10-22 | 山西新华防化装备研究院有限公司 | Positive pressure type medical protective suit |
| CN115500566A (en) * | 2022-10-11 | 2022-12-23 | 中国航空工业集团公司西安飞机设计研究所 | Multifunctional special environment protection equipment |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |