CN112691266B - Respiratory tract protection nursing device for respiratory department - Google Patents
Respiratory tract protection nursing device for respiratory department Download PDFInfo
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- CN112691266B CN112691266B CN202011571974.7A CN202011571974A CN112691266B CN 112691266 B CN112691266 B CN 112691266B CN 202011571974 A CN202011571974 A CN 202011571974A CN 112691266 B CN112691266 B CN 112691266B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/0001—Details of inhalators; Constructional features thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Emergency Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to the technical field of nursing devices, in particular to a respiratory tract protection nursing device for respiratory medicine, which comprises a nursing device main body, wherein the nursing device main body comprises an air supply cylinder, the top end surface of the air supply cylinder is connected with a first connecting pipe, the inner surface of the first connecting pipe is connected with an external connection mechanism, the top end of the first connecting pipe is internally connected with a unidirectional passing mechanism, and one side surface of the first connecting pipe is connected with a medicine adding cylinder; the external connection mechanism comprises a first connecting plate, a first supporting frame, a first connecting block, a second connecting block, a first stop block, a first spring, a first connecting ring and a first bearing block. This respiratory medicine uses respiratory protection nursing device through setting up external mechanism, can conveniently connect fixedly to adding the cartridge case, can further control the content of medicament through adding the cartridge case simultaneously, and the device through setting up one-way mechanism, can effectively avoid the inside medicament of respirator can produce the phenomenon of backward flow along with patient's breathing.
Description
Technical Field
The invention relates to the technical field of nursing devices, in particular to a respiratory tract protection nursing device used in respiratory medicine.
Background
Respiratory patients are particularly important for respiratory tract protection, and respiratory tract protection nursing devices are needed for respiratory tract nursing of patients.
At present, when the device is used for nursing the respiratory tract of a patient, medical staff needs to supply medicine to the respiratory tract of the patient through the nursing device, however, some medicine supply modes are to directly inhale medicine through the respiration of the patient through an external connection pipe, but the medicine consumption required in a treatment course cannot be accurately controlled in the mode, excessive medicine inhalation or too little medicine inhalation is easy to be caused, so that the treatment effect is possibly reduced, the connection of the external connection pipe is also complicated, and when the device is used, the phenomenon that the medicine is turbid due to backflow is possibly caused due to the respiration of the patient, so that the respiratory tract protection nursing device for the respiratory medicine is needed to solve the problems.
Disclosure of Invention
The invention aims to provide a respiratory tract protection nursing device for respiratory medicine, which solves the problems that the existing part nursing device provided in the background technology is complicated in connection of an external connection pipe and the medicament in the existing part nursing device possibly flows back.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the respiratory tract protection nursing device for the respiratory medicine comprises a nursing device main body, wherein the nursing device main body comprises a gas supply cylinder, the top end surface of the gas supply cylinder is connected with a first connecting pipe, the inner surface of the first connecting pipe is connected with an external connection mechanism, the top end inner part of the first connecting pipe is connected with a unidirectional passing mechanism, and one side surface of the first connecting pipe is connected with a medicine adding cylinder;
the external connection mechanism comprises a first connecting plate, a first supporting frame, a first connecting block, a second connecting block, a first stop block, a first spring, a first connecting ring, a first bearing block, a torsion spring and a first partition plate, wherein the first connecting ring is connected with the inner wall of the first connecting pipe, the first bearing block is connected with the inner wall of the first connecting ring, the torsion spring is connected with the outer surface of the first bearing block, one side surface of the torsion spring is connected with the first partition plate, the first connecting plate is abutted to the outer surface of the first connecting ring, the first spring is connected with the inner wall of the first connecting plate, the first stop block is connected with the inner wall of the first connecting plate, one side surface of the first stop block is connected with the second connecting block, and one side surface of the second connecting block is abutted to the first connecting block.
Preferably, the unidirectional passing mechanism comprises a first connecting cylinder, a second connecting block, a universal hose, a second spring, a first telescopic rod, a second support frame and a first receiving plate, wherein the top end outer surface of the first connecting pipe is connected with the first connecting cylinder, one side outer surface of the first connecting cylinder is abutted to the second connecting block, the inner wall of the first connecting cylinder is connected with the universal hose, one side surface of the universal hose is connected with the first receiving plate, the outer surface of the first receiving plate is connected with a breathing mask, the inner wall of the first receiving plate is connected with the second support frame, one side surface of the second support frame is connected with the first telescopic rod, one side surface of the second support frame is connected with the second spring, and one side surface of the second spring is connected with the first baffle.
Preferably, the outer surface of the first connecting cylinder is provided with a guide groove, and the inside of the guide groove is connected with a second connecting block in a sliding manner.
Preferably, the surface of the first connecting plate is provided with an arc-shaped groove, and the inside of the arc-shaped groove is connected with a first connecting block in a sliding manner.
Preferably, the shape structure of the first partition plate is semicircular, the first partition plate is provided with two groups, and the two groups of first partition plates are connected to the inner wall of the first connecting ring.
Preferably, one side surface of the first spring is connected to the inner wall of the first connecting plate, and the other side surface of the first spring is connected to the outer surface of the first stop block.
Preferably, the first bearing plates are provided with two groups, and the two groups of the first bearing plates are uniformly connected to the outer surface of the universal hose at equal intervals.
Preferably, the clamping groove is formed in the outer surface of the first connecting block, and the second connecting block is connected with the inner part of the clamping groove in a clamping mode.
Compared with the prior art, the invention has the beneficial effects that: this respiratory medicine uses respiratory protection nursing device through setting up external mechanism, can conveniently connect fixedly to adding the cartridge case, can further control the content of medicament through adding the cartridge case simultaneously, and the device through setting up one-way mechanism, can effectively avoid the inside medicament of respirator can produce the phenomenon of backward flow along with patient's breathing.
1. The device is provided with the external connection mechanism, when a worker needs to use the device to care a respiratory patient, the respiratory mask can be worn at the mouth and nose of the patient manually, then the medicine adding tube can be fixed on the surface of the device to start nursing the respiratory tract of the patient, at the moment, the medicine adding tube can be placed on the outer surface of the first connecting plate manually, the first connecting block connected on the surface of the medicine adding tube is inserted into the arc-shaped groove arranged on the outer surface of the first connecting plate, at the moment, the second connecting block positioned in the connecting groove is blocked by the first connecting block, and meanwhile, the second connecting block can block the first spring through the first stop block, so that the first spring is in a power storage compression state, when the first connecting block is completely rotated in place, the second connecting block can be ejected out through the elastic action of the first spring, so that the second connecting block is completely clamped with the second connecting block, the first connecting block is conveniently clamped and fixed through the second connecting block, after the medicine adding cylinder is fixed on the outer surface of the first connecting pipe, a worker can manually squeeze the air supplying cylinder, high-speed fluid generated when the air supplying cylinder is squeezed can be pumped into the first connecting pipe from the inside of the first connecting pipe, medicines in the medicine adding cylinder are pumped into the inside of the first connecting pipe through the Bernoulli principle, the top end surface of the medicine first connecting pipe is transported, and the medicine adding cylinder is used for quantitatively charging, so that the medicine content inhaled by a patient in one treatment course can be effectively controlled.
2. The device is provided with one-way mechanism, after the user extrudes the gas feed cylinder, the produced air current of extrusion gas feed cylinder will remove along the inside of first connecting pipe, thereby can make the air current wrap up in and hold the inside of medicament from first connecting pipe and pass, and pass through the inside of universal hose through the guide of first connecting pipe, thereby can make the produced atmospheric pressure of medicament air current push away first baffle, and make first baffle draw close to one side of first telescopic link gradually, and then can conveniently make first baffle remove along the inner wall of first joint board, and make first baffle extrusion second spring, thereby can make the second spring present the power compression state, and make the gap appear between first baffle and the first joint board, in order to make medicament air current get into the inside of first joint board, and gradually get into the inside of breathing mask, in order to conveniently supply the patient to inhale, simultaneously, when the patient exhales, the air current that the patient exhaled also makes things convenient for extrusion first baffle, make first baffle and first board carry out closure along with the inner wall of first joint board, in order to avoid the back flow phenomenon that the patient exhales with the breathing mask of first board is inside to take over.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present invention;
FIG. 2 is a schematic rear perspective view of the structure of the present invention;
FIG. 3 is a schematic front perspective view of the first receiving plate and the first connecting cylinder according to the present invention;
FIG. 4 is an exploded view of the first connecting tube and the first support frame of the present invention;
FIG. 5 is a schematic perspective view showing the structure of the first connecting plate and the first connecting block according to the present invention;
FIG. 6 is an exploded perspective view of the first connection plate and the first connection block according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6A according to the present invention;
fig. 8 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention.
In the figure: 1. a gas cylinder; 2. a first connection plate; 3. a first connection pipe; 4. a first connecting cylinder; 5. a respiratory mask; 6. adding a cartridge; 7. a first support frame; 8. a first connection block; 9. a second connection block; 10. a first stopper; 11. a first spring; 12. a first connection ring; 13. a first receiving block; 14. a torsion spring; 15. a universal hose; 16. a second spring; 17. a first telescopic rod; 18. a second support frame; 19. a first receiving plate; 20. a first separator; 21. a first baffle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, an embodiment of the present invention is provided:
the respiratory tract protection nursing device for the respiratory medicine comprises a nursing device main body, wherein the nursing device main body comprises a gas cylinder 1, a first connecting pipe 3 is connected to the top end surface of the gas cylinder 1, an external connection mechanism is connected to the inner surface of the first connecting pipe 3, a one-way passing mechanism is connected to the top end inner part of the first connecting pipe 3, and a medicine adding cylinder 6 is connected to one side surface of the first connecting pipe 3;
the external connection mechanism comprises a first connecting plate 2, a first supporting frame 7, a first connecting block 8, a second connecting block 9, a first stop block 10, a first spring 11, a first connecting ring 12, a first bearing block 13, a torsion spring 14 and a first partition plate 20, wherein the first connecting ring 12 is connected with the inner wall of the first connecting pipe 3, the first bearing block 13 is connected with the inner wall of the first connecting ring 12, the torsion spring 14 is connected with the outer surface of the first bearing block 13, one side surface of the torsion spring 14 is connected with the first partition plate 20, the outer surface of the first connecting ring 12 is abutted with the first connecting plate 2, the first spring 11 is connected with the inner wall of the first connecting plate 2, the first stop block 10 is connected with the second connecting block 9 on one side surface of the first stop block 10, one side surface of the second connecting block 9 is abutted with the first connecting block 8, and the external connection mechanism is arranged to conveniently connect and fix the medicine adding cylinder 6.
Further, the unidirectional passing mechanism comprises a first connecting cylinder 4, a second connecting block 9, a universal hose 15, a second spring 16, a first telescopic rod 17, a second supporting frame 18 and a first receiving plate 19, the top end outer surface of the first connecting pipe 3 is connected with the first connecting cylinder 4, one side outer surface butt of the first connecting cylinder 4 is provided with the second connecting block 9, the inner wall of the first connecting cylinder 4 is connected with the universal hose 15, one side surface of the universal hose 15 is connected with the first receiving plate 19, the outer surface of the first receiving plate 19 is connected with the breathing mask 5, the inner wall of the first receiving plate 19 is connected with the second supporting frame 18, one side surface of the second supporting frame 18 is connected with the first telescopic rod 17, one side surface of the second supporting frame 18 is connected with the second spring 16, one side surface of the second spring 16 is connected with the first baffle 21, and the phenomenon that the air flow inside the breathing mask 5 can be effectively avoided to flow back through the unidirectional passing mechanism.
Further, the guide groove is formed in the outer surface of the first connecting cylinder 4, the second connecting block 9 is slidably connected in the guide groove, and the second connecting block 9 can be conveniently guided through the guide groove formed in the outer surface of the first connecting cylinder 4.
Further, the arc-shaped groove is formed in the surface of the first connecting plate 2, the first connecting block 8 is connected to the inner portion of the arc-shaped groove in a sliding mode, and the arc-shaped groove is formed in the outer surface of the first connecting plate 2, so that the first connecting block 8 can be conveniently guided to be fixed.
Further, the shape structure of the first partition 20 is set to be semicircular, and the first partition 20 is provided with two groups, and the two groups of first partition 20 are connected to the inner wall of the first connecting ring 12, so that the first partition 20 can be conveniently pushed open by the airflow through setting the shape structure of the first partition 20 to be semicircular.
Further, one side surface of the first spring 11 is connected to the inner wall of the first connecting plate 2, and the other side surface of the first spring 11 is connected to the outer surface of the first stop block 10, so that the second connecting block 9 can rebound and be clamped with the first connecting block 8 conveniently under the action of the elasticity of the first spring 11.
Further, the first receiving plates 19 are provided with two groups, and the two groups of first receiving plates 19 are uniformly connected to the outer surface of the universal hose 15 at equal distance, so that the first baffle 21 can be conveniently guided by the two groups of first receiving plates 19.
Further, the draw-in groove has been seted up to the surface of first connecting block 8, and the inside block of draw-in groove is connected with second connecting block 9, through having seted up the draw-in groove at the surface of first connecting block 8, can conveniently fix first connecting block 8 through second connecting block 9.
Working principle: when the device is needed to be used by staff to care a respiratory patient, the respiratory mask 5 can be worn at the mouth and nose of the patient manually at first, then the medicine adding tube 6 can be fixed on the surface of the device to start nursing the respiratory tract of the patient, at this moment, the medicine adding tube 6 can be placed on the outer surface of the first connecting plate 2 manually at first, the first connecting block 8 connected to the surface of the medicine adding tube 6 is inserted into the arc-shaped groove formed in the outer surface of the first connecting plate 2, at this moment, the second connecting block 9 positioned in the connecting groove can be blocked by the first connecting block 8, meanwhile, the second connecting block 9 can block the first spring 11 through the first stop block 10, so that the first spring 11 is in a compressed state, and when the first connecting block 8 is completely rotated in place, the second connecting block 9 can be completely clamped with the second connecting block 9 through the elastic force of the first spring 11, so that the first connecting block 8 can be conveniently clamped and fixed through the second connecting block 9, and when the medicine adding tube 6 is fixed on the outer surface of the first connecting pipe 3, the medicine can be sucked into the first connecting pipe 3 through the first connecting pipe 3 by the staff, the medicine adding tube 3 can be sucked into the first connecting pipe 3 through the principle, and the medicine can be sucked into the first connecting pipe 3 through the first connecting pipe 3, and the medicine can be sucked into the first connecting pipe 3 through the first connecting pipe 3, and the medicine can be sucked into the inside the medicine container through the first connecting pipe 3, and the medicine can be sucked into the medicine through the human medicine.
When the user squeezes the air supply cylinder 1, the air flow generated by squeezing the air supply cylinder 1 moves along the inside of the first connecting tube 3, so that the air flow is wrapped with the medicament and passes through the inside of the first connecting tube 4, the medicament passes through the inside of the universal hose 15 through the guide of the first connecting tube 4, so that the air pressure generated by the medicament air flow pushes the first baffle 21 open, the first baffle 21 gradually approaches one side of the first telescopic rod 17, the first baffle 21 can conveniently move along the inner wall of the first receiving plate 19, the first baffle 21 squeezes the second spring 16, the second spring 16 can be in a compressed state, and a gap appears between the first baffle 21 and the first receiving plate 19, so that the medicament air flow can conveniently enter the inside of the first receiving plate 19 and gradually enter the inside of the breathing mask 5, and simultaneously, when the patient performs inhalation, the air pressure of the air flow exhaled by the patient can conveniently squeeze the first baffle 21, the first baffle 21 and the gap between the first baffle 21 and the first receiving plate 19 can be conveniently closed, and the breathing mask 5 can be prevented from being back-breathed by the patient.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. Respiratory tract protection nursing device is used to department of respiration, including nursing device main part, its characterized in that: the nursing device comprises a nursing device body, wherein the nursing device body comprises a gas supply cylinder (1), a first connecting pipe (3) is connected to the top end surface of the gas supply cylinder (1), an external connection mechanism is connected to the inner surface of the first connecting pipe (3), a one-way passing mechanism is connected to the inner end of the first connecting pipe (3), and a medicine adding cylinder (6) is connected to the side surface of the first connecting pipe (3);
the external connection mechanism comprises a first connecting plate (2), a first supporting frame (7), a first connecting block (8), a second connecting block A (9), a first baffle (10), a first spring (11), a first connecting ring (12), a first bearing block (13), a torsion spring (14) and a first baffle (20), wherein the inner wall of the first connecting pipe (3) is connected with the first connecting ring (12), the inner wall of the first connecting ring (12) is connected with the first bearing block (13), the outer surface of the first bearing block (13) is connected with the torsion spring (14), one side surface of the torsion spring (14) is connected with the first baffle (20), the outer surface of the first connecting ring (12) is abutted to the first connecting plate (2), the inner wall of the first connecting plate (2) is connected with the first baffle (10), one side surface of the first baffle (10) is connected with the second connecting block A (9), and one side surface of the second connecting block A (9) is abutted to the first connecting block (8).
The unidirectional mechanism that passes through includes first connecting cylinder (4), second connecting block B, universal hose (15), second spring (16), first telescopic link (17), second support frame (18) and first joint board (19), the top surface of first connecting pipe (3) is connected with first connecting cylinder (4), and one side surface butt of first connecting cylinder (4) has second connecting block B, the inner wall of first connecting cylinder (4) is connected with universal hose (15), and one side surface of universal hose (15) is connected with first joint board (19), the surface of first joint board (19) is connected with respirator (5), the inner wall of first joint board (19) is connected with second support frame (18), and one side surface of second support frame (18) is connected with first telescopic link (17), one side surface of second support frame (18) is connected with second spring (16), one side surface of second spring (16) is connected with first baffle (21).
2. A respiratory protection care device for use in respiratory medicine according to claim 1, wherein: the outer surface of the first connecting cylinder (4) is provided with a guide groove, and the inside of the guide groove is connected with a second connecting block B in a sliding manner.
3. A respiratory protection care device for use in respiratory medicine according to claim 1, wherein: an arc-shaped groove is formed in the surface of the first connecting plate (2), and a first connecting block (8) is connected inside the arc-shaped groove in a sliding mode.
4. A respiratory protection care device for use in respiratory medicine according to claim 1, wherein: the shape and structure of the first partition plate (20) are semicircular, the first partition plate (20) is provided with two groups, and the two groups of first partition plates (20) are connected to the inner wall of the first connecting ring (12).
5. A respiratory protection care device for use in respiratory medicine according to claim 1, wherein: one side surface of the first spring (11) is connected to the inner wall of the first connecting plate (2), and the other side surface of the first spring (11) is connected to the outer surface of the first stop block (10).
6. A respiratory protection care device for use in respiratory medicine according to claim 1, wherein: the first bearing plates (19) are provided with two groups, and the two groups of the first bearing plates (19) are uniformly connected to the outer surface of the universal hose (15) at equal intervals.
7. A respiratory protection care device for use in respiratory medicine according to claim 1, wherein: the clamping groove is formed in the outer surface of the first connecting block (8), and the second connecting block A (9) is connected to the inner portion of the clamping groove in a clamping mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011571974.7A CN112691266B (en) | 2020-12-27 | 2020-12-27 | Respiratory tract protection nursing device for respiratory department |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011571974.7A CN112691266B (en) | 2020-12-27 | 2020-12-27 | Respiratory tract protection nursing device for respiratory department |
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| CN112691266A CN112691266A (en) | 2021-04-23 |
| CN112691266B true CN112691266B (en) | 2023-05-26 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0112481A (en) * | 2000-07-15 | 2003-07-22 | Glaxo Group Ltd | Medication Dispenser, Parts Kit, and System |
| KR20100046819A (en) * | 2008-10-28 | 2010-05-07 | 포항공과대학교 산학협력단 | Respiratory anesthesia device |
| CN103656811B (en) * | 2012-09-19 | 2015-06-17 | 上海理工大学 | Powder quantitative dosing device |
| CN205924627U (en) * | 2016-06-30 | 2017-02-08 | 郑州市中医院 | Spraying device for respiratory medicine |
| CN208943176U (en) * | 2018-08-16 | 2019-06-07 | 北京大学第三医院 | Mask drug delivery device in a kind of novel gas passage |
| CN210301963U (en) * | 2019-02-28 | 2020-04-14 | 王素娟 | Breathe internal medicine with medical treatment and send medicine cover |
| CN110604856A (en) * | 2019-07-23 | 2019-12-24 | 邬剑娜 | Medical care structure for treating cardiopulmonary diseases |
| CN210904481U (en) * | 2019-07-29 | 2020-07-03 | 郑州市中心医院 | Emergency respirator for nursing in medical nursing department |
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