CN111150138A - A mouth and nose protection device based on physical and chemical disinfecting pathogens to prevent cross infection - Google Patents
A mouth and nose protection device based on physical and chemical disinfecting pathogens to prevent cross infection Download PDFInfo
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- CN111150138A CN111150138A CN202010094554.8A CN202010094554A CN111150138A CN 111150138 A CN111150138 A CN 111150138A CN 202010094554 A CN202010094554 A CN 202010094554A CN 111150138 A CN111150138 A CN 111150138A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1153—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a hood
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/20—Pockets; Making or setting-in pockets
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L11/00—Methods specially adapted for refuse
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
- A61L2/08—Radiation
- A61L2/10—Ultraviolet [UV] radiation
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
A mouth and nose protective device for preventing cross infection based on physicochemical pathogen killing comprises a nose and mouth secretion collecting and killing device and a cross infection preventing mask, wherein the nose and mouth secretion collecting and killing device comprises self-adhesive glue for attaching around the mouth and nose of a patient, the self-adhesive glue is attached to the inner surface of a hydrogel antibacterial dressing, an arc-shaped front baffle is arranged below the outer surface of the hydrogel antibacterial dressing, a first self-adhesive material is arranged on the outer surface of the front baffle, and the bottom of the front baffle is connected with a light-tight collecting bag capable of killing pathogens and used for collecting nose and mouth secretions of the patient; the mask comprises a mask body with an arc-shaped rear baffle below, wherein a self-adhesive material II is arranged on the inner surface of the rear baffle, the shape of the rear baffle is consistent with that of the front baffle, and the rear baffle is connected with the front baffle by adhesion of the self-adhesive material II and the self-adhesive material I.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an oral and nasal protection device for preventing cross infection based on physical and chemical pathogen killing.
Background
In recent years, outburst epidemic situations occur, the epidemic situations are urgent, the safety of life and society of people is concerned, the harm of outburst public health events must be effectively prevented, timely controlled and eliminated, the health and life safety of the public are guaranteed, and the normal social order is maintained; the difficulty is high and the responsibility is heavy. For example, COVID-19(SARS-CoV-2) which occurs in 12 months in 2019 has the main transmission routes of respiratory droplets and contact transmission, the transmission routes of aerosol, digestive tract and the like are still clear, and the human population is generally susceptible. As the pneumonia infected by the novel coronavirus is mainly transmitted by droplets, the protection guidelines of people with different risks of infection by the novel coronavirus and the usage guidelines of the pneumonia mask for preventing the infection by the novel coronavirus which are issued by the national health and health committee indicate that the mask is an important defense line for preventing respiratory infectious diseases and can reduce the risk of infection by the novel coronavirus. Therefore, a great deal of demands of medical staff and the public on the mask are caused (left double swallow, Chenyuhua, Zengcui, and the like, the application range of the mask of each country and the introduction of related standards [ J/OL ]. China journal of infection control: 1-8[2020-02-14]. http:// kns.cnki.net/kcms/detail/43.1390.r.20200206.1649.002.html), and particularly, the nasal and oral secretions of critically ill patients have extremely strong infectivity and are easy to cause cross infection in the treatment process. At present, medical masks in the medical appliance industry are mainly classified into common medical masks, medical surgical masks and medical protective masks according to types. The special-shaped mask mainly comprises rectangular, arched, butterfly (folding) and fish-shaped special-shaped masks with internal supporting structures according to specifications and appearances (Shao Ke Na, Li Feng, Zhang Qin Gao, Deng Jie, Yan Jun, Guo Wen Yuan. design of a filtration efficiency auxiliary measuring device of a shallow analysis mask [ J ]. Chinese medical equipment, 2019,34(04): 73-75.). These devices for preventing because of oronasal secretion infects can only block the propagation of secretion, can not accomplish the disinfection and sterilization of secretion, and easily cause cross infection once more, are unfavorable for medical personnel to carry out respiratory tract alimentary canal nursing operation to the patient, are unfavorable for patient's recovery, and current device oppresses patient oronasal auricle skin for a long time, easily produce pressure nature damage, increase patient's misery and treatment consume.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an oral-nasal protection device for preventing cross infection based on physical and chemical pathogen killing, so as to prevent the cross infection of oral-nasal secretion, realize the aims of safety, health and comfort and reduce the incidence rate of cross infection.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an oral and nasal protector based on physics and chemistry pathogen that disappears prevents cross infection, collects the device of disappearing and preventing cross infection gauze mask including nose oral secretion, wherein:
the nasal oral secretion collecting and sterilizing device comprises self-adhesive 15 attached around the mouth and the nose of a patient, the outer surface of the self-adhesive 15 is attached to the inner surface of the hydrogel antibacterial dressing 1, an arc-shaped front baffle 8 is arranged below the outer surface of the hydrogel antibacterial dressing 1, a self-adhesive material I3 is arranged on the outer surface of the front baffle 8, the bottom of the front baffle 8 is connected with a light-tight collecting bag 5 used for collecting nasal oral secretions of the patient, and the light-tight collecting bag 5 is provided with a device capable of sterilizing pathogens;
the anti-cross-infection mask comprises a mask body 21, wherein an arc-shaped rear baffle 19 is arranged below the mask body 21, a second self-adhesive material 23 is arranged on the inner surface of the rear baffle 19, the shape of the rear baffle 19 is consistent with that of the front baffle 8, and the rear baffle 19 is connected with the front baffle 8 by the adhesion of the second self-adhesive material 23 and the first self-adhesive material 3.
The self-adhesive 15 and the hydrogel antibacterial dressing 1 are attached around the mouth and the nose of a patient to form a preset hole I2 for reserving the mouth and the nose of the patient.
The position of the front baffle 8 corresponds to the lower part of the oral cavity of the patient, the bottom position of the front baffle 8 corresponds to the lower jaw part of the patient, and the nasal and oral secretion of the patient is blocked and guided to the light-tight collecting bag 5.
A funnel 9 and a check valve 4 are arranged at the inlet of the light-tight collecting bag 5, and nasal oral secretion guided by the front baffle 8 enters the light-tight collecting bag 5 through the funnel 9 and the check valve 4.
The bottom of the light-tight collecting bag 5 is connected with a bag 7, a deep ultraviolet LED lamp inlet 14 is reserved on the side face of the bag 7 and used for containing the reusable deep ultraviolet LED lamp 6, a light-transmitting material layer 12 is arranged between the bag 7 and the light-tight collecting bag 5, and the parts of the bag 7, which are not in contact with the light-tight collecting bag 5, are light-tight layers so as to prevent ultraviolet light from being exposed.
The deep ultraviolet LED lamp 6 is powered by an independent battery 13.
The deep ultraviolet LED lamp 6 is a 254nm deep ultraviolet LED.
The side surface of the light-tight collecting bag 5 is connected with an alcohol balloon 10 through a connecting pipeline 11.
The cross infection prevention mask has two specifications, one is provided with a preset hole II 21 at the position corresponding to the mouth and the nose of a patient on the mask body 21, and an oxygen supply pipe and/or a trachea cannula pass through the mask body, so that the mask is suitable for patients with trachea cannula and oxygen inhalation pipe, and the other is a conventional mask body 21 and is suitable for patients without trachea cannula and oxygen inhalation pipe.
A support frame 24 is arranged between the rear baffle plate 19 and the mask body 21.
Compared with the prior art, the invention can lead out most oral and nasal secretions of patients and carry out centralized disinfection treatment, thereby greatly reducing the risk of cross infection, simultaneously considering the problem of intubation of severe patients and improving the clinical practicability.
Drawings
FIG. 1 is a front view of the nasal/oral secretion collecting and sterilizing device of the present invention.
FIG. 2 is a schematic side view of the nasal/oral secretion collecting and sterilizing device of the present invention.
Fig. 3 is a schematic structural view of a cross-infection prevention mask of the invention type a.
Fig. 4 is a schematic structural view of a cross-infection prevention mask of type b of the invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
The invention relates to an oral-nasal protection device for preventing cross infection based on physical and chemical pathogen killing, which mainly comprises a nasal-oral secretion collecting and killing device and a cross infection preventing mask.
Referring to fig. 1 and 2, the nasal oral secretion collecting and sterilizing device comprises a self-adhesive 15, wherein the outer surface of the self-adhesive 15 is attached to the inner surface of the hydrogel antibacterial dressing 1, and after the self-adhesive 15 and the hydrogel antibacterial dressing 1 are attached to each other, a preset hole I2 is reserved for exposing the mouth and nose of a patient, namely, the self-adhesive 15 and the hydrogel antibacterial dressing 1 are attached around the mouth and nose of the patient.
An arc-shaped front baffle 8 is arranged below the outer surface of the hydrogel antibacterial dressing 1, the outer surface of the front baffle 8 is a convex surface, a self-adhesive material I3 is arranged on the convex surface, and the bottom of the front baffle 8 is connected with a light-tight collection bag 5 for collecting nasal and oral secretions of a patient.
The hydrocolloid antibacterial dressing 1 is a novel dressing widely applied in clinic, and is formed by mixing and processing elastic polymerized hydrogel, synthetic rubber and stickers. The dressing can absorb a small amount of exudate to a medium amount of exudate, the airtightness of the dressing can prevent the invasion of microorganisms, the skin is prevented from being damaged due to bacterial infection, and meanwhile, a moist environment is provided for local parts. Has the functions of antibiosis, sterilization, moisture preservation, healing promotion and the like, can prevent and treat the exosmosis of oral and nasal secretion, and has convenient use, softness and comfort.
In a specific embodiment, the position of the front baffle 8 corresponds to the lower part of the oral cavity of the patient, and the position of the bottom of the front baffle 8 corresponds to the lower jaw of the patient, so as to block and guide the nasal and oral secretions of the patient to the light-tight collecting bag 5. And a funnel 9 and a check valve 4 can be arranged at the inlet of the light-tight collection bag 5, and nasal secretion guided by the front baffle 8 enters the light-tight collection bag 5 through the funnel 9 and the check valve 4.
The light-tight collecting bag 5 is provided with a device capable of killing pathogens, and can be killed by adopting ultraviolet light, alcohol and the like or by combining multiple modes.
In a specific structure of the invention, the bottom of the light-tight collection bag 5 is connected with the bag 7, the side surface of the bag 7 is provided with the deep ultraviolet LED lamp inlet 14 for accommodating the reusable deep ultraviolet LED lamp 6, and the deep ultraviolet LED lamp 6 is powered by the independent battery 13, so that the use is more convenient. A transparent material layer 12 is arranged between the bag 7 and the opaque collecting bag 5, the rest parts are opaque layers, the opaque collecting bag 5 is also only provided with the transparent material layer 12 at the bottom, and the rear wall 16 and the front wall 17 are both opaque layers to prevent the exposure of ultraviolet light.
The deep ultraviolet LED lamp 6 can be a 254nm deep ultraviolet LED, the 254nm deep ultraviolet can effectively kill various pathogens, the process is a physical destruction process, genetic materials of the pathogens are destroyed, the pathogens cannot be copied, cells cannot survive, and cell walls and virus protein shells cannot block the deep ultraviolet. Unlike chemical agents, it is not affected by chemical equilibrium conditions such as temperature, concentration, activity, etc. No toxicity, no residue and no odor.
When alcohol sterilization is adopted, the side surface of the light-tight collection bag 5 is connected with the alcohol balloon 10 through the connecting pipeline 11.
In this embodiment, the material of the front baffle 8 can be divided into three layers, the outer layer is the self-adhesive material 3, the middle layer is the continuation of the front wall 17 made of the opaque material, and the inner layer is the continuation of the hydrocolloid antibacterial dressing 1. The front wall 17 of the middle layer and the hydrocolloid antibacterial dressing 1 of the inner layer can be adhered by means of self-adhesive glue.
The cross infection prevention mask can be of two types, and referring to fig. 3 and 4, the common structure is as follows: the mask comprises a mask body 21, an elastic band 18 and a nose bridge support piece 20, wherein an arc-shaped rear baffle 19 is arranged below the mask body 21, and a support frame 24 is arranged between the rear baffle 19 and the mask body 21. The inner surface of the back baffle 19 is provided with a second self-adhesive material 23, the shape of the back baffle 19 is consistent with that of the front baffle 8, and the connection between the back baffle 19 and the front baffle 8 is realized through the adhesion of the second self-adhesive material 23 and the first self-adhesive material 3. Wherein, the material of the mask body 21 meets the functions of masks of American N95 standard filter materials and masks of European Union standard, limits the virus to pass through, and prevents and treats the virus diffusion cross infection of critically ill patients.
The material of the rear baffle 19 is the same as that of the mask body 21, and the inner layer is attached with a second self-adhesive material 23 which can be connected with the mask body 21 by common stitches.
The difference between the two types is that the type a in figure 3 is that a preset hole two 21 is formed in the position, corresponding to the mouth and the nose of a patient, of the mask body 21, oxygen supply pipes and/or trachea cannula pass through the mask body, and the mask is suitable for patients with trachea cannula and oxygen inhalation pipe, and the type b in figure 4 is a conventional mask body 21 and is suitable for patients without trachea cannula and oxygen inhalation pipe.
According to the above structure, the method of use of the present invention is as follows:
for critically ill patients with infectivity, the hydrogel antibacterial dressing 1 and the self-adhesive 15 are pasted around the mouth and the nose of the patient, the patient with a tracheal cannula and an oxygen tube is simultaneously worn with the cross-infection prevention mask a, the patient without the tracheal cannula and the oxygen tube is worn with the cross-infection prevention mask b, and the two holes 22 are preset for the tracheal cannula, the oxygen tube and other accessible devices, so that the pipeline has an elastic function, is pasted with the pipeline, and plays a role of sealing. While nose bridge support pad 20 is applied to the bridge of the nose.
When the secretion in the nose and mouth of the patient enters the light-tight collecting bag 5, the turned-on deep ultraviolet LED lamp 6 is placed in the bag 7 through the inlet 14, and can be taken out in time after the disinfection. Meanwhile, 75% alcohol can be squeezed into the light-tight collecting bag 5 by squeezing the alcohol air bag 10, so that the unpleasant smell of secretion is covered on one hand and the surfaces of auxiliary materials around the mouth and the nose and microbial aerosol are killed on the other hand in view of the characteristics of high volatility of alcohol and high killing effect on pathogens. After the use, take out dark ultraviolet LED lamp 6, take off and prevent cross infection gauze mask and nose oral secretion and collect and disappear and kill the device, this device belongs to disposable article except dark ultraviolet LED lamp 6, handles according to medical waste. The device can effectively avoid cross infection caused by diffusion of viruses and the like, reduce the chance of medical staff contacting pathogens and realize harmless treatment; in addition, the fabric has excellent air permeability and comfort, and the product cost is proper.
Claims (10)
1. The utility model provides an oral and nasal protector based on physics and chemistry pathogen that disappears prevents cross infection which characterized in that, collects the device of disappearing and killing and prevents cross infection gauze mask including nose oral cavity secretion, wherein:
the nasal oral secretion collecting, sterilizing and killing device comprises self-adhesive glue (15) attached around the mouth and the nose of a patient, the outer surface of the self-adhesive glue (15) is attached to the inner surface of a hydrogel antibacterial dressing (1), an arc-shaped front baffle (8) is arranged below the outer surface of the hydrogel antibacterial dressing (1), a self-adhesive material I (3) is arranged on the outer surface of the front baffle (8), the bottom of the front baffle (8) is connected with a light-tight collecting bag (5) used for collecting nasal oral secretions of the patient, and the light-tight collecting bag (5) is provided with a device capable of sterilizing pathogens;
the anti-cross-infection mask comprises a mask body (21), wherein an arc-shaped rear baffle (19) is arranged below the mask body (21), a second self-adhesive material (23) is arranged on the inner surface of the rear baffle (19), the shape of the rear baffle (19) is consistent with that of the front baffle (8), and the rear baffle (19) is connected with the front baffle (8) through the adhesion of the second self-adhesive material (23) and the first self-adhesive material (3).
2. The device for preventing the oral and nasal diseases based on the physical and chemical sterilization of pathogens and the prevention of cross infection according to claim 1, characterized in that the self-adhesive glue (15) and the hydrogel antimicrobial dressing (1) are attached around the oral and nasal parts of the patients to form a preset hole I (2) for leaving the oral and nasal parts of the patients.
3. The oronasal shield for preventing cross-infection based on physico-chemical pathogen eradication according to claim 1, wherein the front baffle (8) is located corresponding to a lower portion of the mouth of the patient, and the bottom of the front baffle (8) is located corresponding to a lower jaw of the patient, and blocks and guides nasal and oral secretions of the patient to the light-tight collection bag (5).
4. The oronasal protection device based on the prevention of cross-infection of pathogen by physicochemical disinfection as claimed in claim 1, wherein the entrance of the light-tight collection bag (5) is provided with a funnel (9) and a check valve (4), and nasal oral secretion guided by the front baffle (8) enters the light-tight collection bag (5) through the funnel (9) and the check valve (4).
5. The mouth-nose protection device for preventing cross infection based on physicochemical killing of pathogens is characterized in that a bag (7) is connected to the bottom of the light-tight collection bag (5), a deep ultraviolet LED lamp inlet (14) is reserved on the side surface of the bag (7) and is used for containing a reusable deep ultraviolet LED lamp (6), a light-transmitting material layer (12) is arranged between the bag (7) and the light-tight collection bag (5), and the parts of the bag (7) which are not in contact with the light-tight collection bag (5) are non-light-transmitting layers so as to prevent ultraviolet light from being exposed.
6. The device for preventing cross-infection based on physicochemical killing of pathogens according to claim 5, wherein the deep ultraviolet LED lamp (6) is powered by a separate battery (13).
7. An oral-nasal protection device based on physical and chemical pathogen killing and prevention of cross infection according to claim 5 or 6, characterized in that the deep ultraviolet LED lamp (6) is a 254nm deep ultraviolet LED.
8. An oronasal shield based on physicochemical killing of pathogens to prevent cross-infection according to claim 1 or 5, wherein the sides of the light-tight collection bag (5) are connected to the alcohol balloon (10) by a connecting line (11).
9. The mouth-nose protection device for preventing cross infection based on physical and chemical killing of pathogens as claimed in claim 1, wherein the mouth mask for preventing cross infection has two specifications, one is provided with a second preset hole (21) on the mask body (21) corresponding to the mouth and nose of a patient, oxygen supply pipes and/or trachea cannula pass through, and is suitable for patients with trachea cannula and oxygen inhalation pipe, and the other is a conventional mask body (21) suitable for patients without trachea cannula and oxygen inhalation pipe.
10. The device for preventing the mouth and the nose based on the physical and chemical sterilization of the pathogens and the prevention of the cross infection according to the claim 1 or 9 is characterized in that a supporting frame (24) is arranged between the rear baffle (19) and the mask body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010094554.8A CN111150138A (en) | 2020-02-16 | 2020-02-16 | A mouth and nose protection device based on physical and chemical disinfecting pathogens to prevent cross infection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010094554.8A CN111150138A (en) | 2020-02-16 | 2020-02-16 | A mouth and nose protection device based on physical and chemical disinfecting pathogens to prevent cross infection |
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| Publication Number | Publication Date |
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| CN111150138A true CN111150138A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010094554.8A Pending CN111150138A (en) | 2020-02-16 | 2020-02-16 | A mouth and nose protection device based on physical and chemical disinfecting pathogens to prevent cross infection |
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| CN (1) | CN111150138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112425835A (en) * | 2020-12-19 | 2021-03-02 | 段有才 | Positive pressure protective clothing capable of separating isolation bag |
| US11806558B2 (en) | 2020-06-26 | 2023-11-07 | Clear Blew | Body-worn air-treatment devices and methods of deactivating pathogens |
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11806558B2 (en) | 2020-06-26 | 2023-11-07 | Clear Blew | Body-worn air-treatment devices and methods of deactivating pathogens |
| US12172039B2 (en) | 2020-06-26 | 2024-12-24 | Clear Blew | Body-worn air-treatment devices and methods of deactivating pathogens |
| CN112425835A (en) * | 2020-12-19 | 2021-03-02 | 段有才 | Positive pressure protective clothing capable of separating isolation bag |
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Effective date of registration: 20220310 Address after: 518066 1201, building a, phase I, Qianhai economic and Trade Center, China Merchants Group, No. 151, Zimao West Street, Nanshan street, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong Province Applicant after: Chonghao Technology Co.,Ltd. Address before: 710061 No. 277, Yanta West Road, Shaanxi, Xi'an Applicant before: THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XI'AN JIAOTONG University |
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Application publication date: 20200515 |