CN109011091B - Pressure-equalizing protection type oxygen humidification bottle for operating room - Google Patents
Pressure-equalizing protection type oxygen humidification bottle for operating room Download PDFInfo
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- CN109011091B CN109011091B CN201810824316.0A CN201810824316A CN109011091B CN 109011091 B CN109011091 B CN 109011091B CN 201810824316 A CN201810824316 A CN 201810824316A CN 109011091 B CN109011091 B CN 109011091B
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- pressure
- bottle
- oxygen
- water replenishing
- equalizing
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 74
- 239000001301 oxygen Substances 0.000 title claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000012528 membrane Substances 0.000 claims abstract description 13
- 230000003020 moisturizing effect Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 210000003454 tympanic membrane Anatomy 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000002640 oxygen therapy Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
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Classifications
-
- 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. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
-
- 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. ventilators; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- 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. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
- A61M16/162—Water-reservoir filling system, e.g. automatic
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Instructional Devices (AREA)
Abstract
The invention discloses a pressure-equalizing protection type oxygen humidification bottle for an operating room, which comprises a humidification bottle and a water replenishing bottle which are arranged in parallel, wherein a bottle cap is arranged at the top of the humidification bottle, a connecting seat which is hollow inside is arranged between a flowmeter and the bottle cap, a pressure equalizing pipe which is communicated with the connecting seat and the flowmeter is inserted into the side surface of the connecting seat, a pressure equalizer is arranged at the front end of the pressure equalizing pipe, the pressure equalizer comprises two branch pipes which are butted with the front end of the pressure equalizing pipe, and a conical plug is arranged at the front end of each branch pipe; the device has the advantages that the pressure equalizer connected with the inside of the humidifying bottle through the pressure equalizing pipe enables the pressure on two sides of the eardrum of the patient to be always kept consistent in the process of pressure conveying of oxygen, the possible damage caused by the air pressure difference of the eardrum when the oxygen is conveyed through pressure is avoided, and therefore the safety of oxygen conveying in the operation is improved; due to the action of the pressure drum membrane, the pressure on two sides of the ear drum membrane is kept balanced, and the situation that the outer side of the ear drum membrane is greatly pressed is avoided.
Description
Technical Field
The invention relates to a medical instrument for an operating room, in particular to a pressure-equalizing protective oxygen humidification bottle for the operating room.
Background
The oxygen therapy is a method of delivering oxygen by an oxygen tube or an oxygen mask by pressure to ensure that a patient inhales oxygen; the main effects are to increase the arterial oxygen partial pressure, improve the oxygen supply of the human body and reduce the respiratory and circulatory burden increased by compensating for the hypoxia.
In the operation, one of the commonly used rescue treatment is disconnected during oxygen inhalation, compressed dry oxygen exists in an oxygen bottle used during medical oxygen storage, the respiratory tract can be uncomfortable when a patient directly inhales, and a humidification bottle is arranged in an existing operating room to ensure oxygen humidification during oxygen delivery, so that discomfort of the patient is prevented. In operation, the patient is anesthetized, the autonomous respiration capacity is reduced, the oxygen pressure is increased during oxygen delivery for delivery, the intra-tympanic pressure of the ear drum is synchronously increased when the pressurization force in the oral cavity is increased due to the functions of the human body, and the long-time high-pressure state may damage the ear drum of the patient.
Disclosure of Invention
The invention aims to provide a pressure-equalizing protective oxygen humidification bottle for an operating room, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an operating room is with voltage-sharing protection type oxygen humidifying bottle, is including the humidifying bottle and the moisturizing bottle that set up side by side, humidifying bottle top is equipped with the bottle lid, be equipped with inside hollow connecting seat between flowmeter and the bottle lid, connecting seat side cartridge has the equalizer tube that communicates with connecting seat, flowmeter homogeneous phase, the equalizer tube front end is equipped with the equalizer, the equalizer tube includes two branch flow pipes that dock with the equalizer tube front end, all is equipped with a conical plug at every branch flow pipe front end, inside cavity of conical plug and front end are seal structure, are equipped with the pressure tympanic membrane at conical plug front end central authorities.
As a preferred embodiment of the present invention: the air outlet is provided with a one-way valve, and the outer side of the air outlet is provided with a hexagon bolt.
As a still further preferable embodiment of the present invention: the humidifying bottle is internally provided with an oxygen guide pipe, the bottom of the oxygen guide pipe is provided with an atomizer, the bottom of the oxygen guide pipe is sealed, and the side surface of the oxygen guide pipe is provided with a plurality of openings.
As a still further preferable embodiment of the present invention: the humidifying bottle is characterized in that a clamping seat is arranged on the side face of the humidifying bottle, the clamping seat is in a semi-circular arc shape, the radius of the clamping seat is matched with the radius of a bottle body of a water replenishing bottle, and the water replenishing bottle is fixedly connected with the humidifying bottle through the clamping seat.
As a still further preferable embodiment of the present invention: a piston rod is inserted in the water replenishing bottle, a piston is fixed at the lower end of the piston rod, the upper end of the piston rod extends out of the upper part of the water replenishing bottle and is provided with a piston handle, a pressure stabilizing port is also formed in the top of the water replenishing bottle, and a communicating pipe for connecting the interior of the humidifying bottle is fixed on the outer side of the bottom of the water replenishing bottle; the bottom still is equipped with the filter screen in the moisturizing bottle, and the filter screen is located communicating pipe and moisturizing bottle junction top.
As a still further preferable embodiment of the present invention: the bottle cap is inserted with a plug nozzle used for connecting a central oxygen supply pipeline, an adjusting valve used for adjusting oxygen flow and an air outlet used for outputting stable oxygen, and a flow meter used for displaying the oxygen flow is arranged above the bottle cap.
As a still further preferable embodiment of the present invention: the pressure drum membrane is made of an elastic rubber material.
Compared with the prior art, the invention has the beneficial effects that: the device has the advantages that the pressure equalizer connected with the inside of the humidifying bottle through the pressure equalizing pipe enables the pressure on two sides of the eardrum of the patient to be always kept consistent in the process of pressure conveying of oxygen, the possible damage caused by the air pressure difference of the eardrum when the oxygen is conveyed through pressure is avoided, and therefore the safety of oxygen conveying in the operation is improved; due to the action of the pressure drum membrane, the pressure on two sides of the ear drum membrane is kept balanced, and the situation that the outer side of the ear drum membrane is greatly pressed is avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the internal structure of the water replenishing bottle of the present invention.
Figure 3 is an isometric view of a conical plug of the present invention.
In the figure, 1-a humidifying bottle, 2-a water replenishing bottle, 3-a pressure stabilizing port, 4-a piston handle, 5-a clamping seat, 6-a communicating pipe, 7-an oxygen guide pipe, 8-a regulating valve, 9-an air outlet, 10-a humidifying bottle cap, 11-a flow meter, 12-a connecting seat, 13-a pressure equalizing pipe, 14-a plug, 15-a pressure equalizing device, 16-a piston rod, 17-a piston, 18-a filter screen, 19-a conical plug, 20-a pressure tympanic membrane and 21-a flow dividing branch pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a pressure-equalizing protection type oxygen humidification bottle for operating rooms comprises a humidification bottle 1 and a water replenishing bottle 2 which are arranged in parallel, wherein a bottle cap 9 is arranged at the top of the humidification bottle 1, an insertion nozzle 14 for connecting a central oxygen supply pipeline, an adjusting valve 8 for adjusting oxygen flow and an air outlet 9 for outputting stable oxygen are inserted in the bottle cap 9, a flow meter 11 for displaying oxygen flow is arranged above the bottle cap 9, a hollow connecting seat 12 is arranged between the flow meter 11 and the bottle cap 9, a pressure equalizing pipe 13 communicated with the connecting seat 12 and the flow meter 11 is inserted in the side surface of the connecting seat 12, a pressure equalizer 15 is arranged at the front end of the pressure equalizing pipe 13, the pressure equalizer 15 comprises two branch pipes 21 butted with the front end of the pressure equalizing pipe 13, a conical plug 19 is arranged at the front end of each branch pipe 21, the conical plug 19 is hollow inside and has a sealing structure at the front end, a pressure drum membrane 20 is arranged in the center of the front end of the conical plug 19, and the pressure drum membrane 20 is made of elastic rubber materials; when the device is used for conveying oxygen in an operation, the oxygen mask is connected with the air outlet 9, when the oxygen mask is clamped on the face of a patient, the two conical plugs 19 are plugged into the earholes of the patient, when the oxygen is conveyed and supplied under pressure, the oxygen is output by the oxygen mask, meanwhile, the oxygen enters the pressure equalizing pipe 13 through the connecting seat 12 and enters the conical plugs 19 along the branch flow pipe 21, the pressure on the two sides of the eardrum of the patient is always kept consistent through the conical plugs 19, the possible damage caused by the pressure difference of the eardrum when the oxygen is conveyed under pressure is avoided, and the safety of oxygen conveying during the operation is improved; due to the action of the pressure drum membrane 20, the pressure on the two sides of the ear drum membrane is kept balanced, and the situation that the outer side of the ear drum membrane is greatly pressed is avoided;
specifically, the one-way valve is arranged on the air outlet 9, and the hexagon bolt is arranged on the outer side of the air outlet 9, so that the one-way valve avoids negative pressure, and meanwhile, the hexagon bolt is convenient for fixing a connecting pipe of the oxygen mask;
an oxygen guide tube 7 is arranged in the humidifying bottle 1, an atomizer is arranged at the bottom of the oxygen guide tube 7, the bottom of the oxygen guide tube 7 is sealed, and a plurality of openings are formed in the side surface of the oxygen guide tube 7; before the device is used, a proper amount of pure water is added into the humidification bottle 1, the water in the humidification bottle 1 is atomized through the atomizer, so that water vapor is mixed in oxygen conveyed to a patient, the oxygen guide pipe 7 with a plurality of openings on the side surface prevents the oxygen guide pipe 7 from being blocked when the oxygen guide pipe 7 is inclined, and oxygen delivery is guaranteed;
the side surface of the humidification bottle 1 is provided with a clamping seat 5, the clamping seat 5 is in a semi-circular arc shape, the radius of the clamping seat 5 is matched with the radius of the bottle body of the water replenishing bottle 2, and the water replenishing bottle 2 and the humidification bottle 1 are fixedly connected through the clamping seat 5, so that the overall stability of the device is improved after the connection;
a piston rod 16 is inserted into the water replenishing bottle 2, a piston 17 is fixed at the lower end of the piston rod 16, the upper end of the piston rod 16 extends out of the upper part of the water replenishing bottle 2 and is provided with a piston handle 4, the top of the water replenishing bottle 2 is also provided with a pressure stabilizing port 3, and the outer side of the bottom of the water replenishing bottle 2 is fixedly provided with a communicating pipe 6 for connecting the interior of the humidification bottle 1; before the device is used, the water replenishing bottle 2 is filled with pure water, when the device works, the piston 17 is lowered by pressing the piston handle 4, so that the pure water in the water replenishing bottle 2 moves for replenishing water into the humidifying bottle 1 through the communicating pipe 6, and the humidifying effect of oxygen is ensured; the bottom in the water replenishing bottle 2 is also provided with a filter screen 18, the filter screen 18 is positioned above the joint of the communicating pipe 6 and the water replenishing bottle 2, and water is filtered through the filter screen 18 in the water replenishing process, so that impurities in the water entering the humidifying bottle 1 are prevented from being doped; the pressure stabilizing port 3 is connected with a pressure adjusting device during working, so that the pressure balance between the interior of the humidification bottle 1 and the pressure balance of the water replenishing bottle 2 is kept, and the water in the humidification bottle 1 is prevented from flowing back to the interior of the water replenishing bottle 2.
Example 2:
the difference from the embodiment 1 is that the pressure equalizer 15 is an earmuff with a hollow elastic rod, the elastic rod is communicated with the pressure equalizing tube 13, the inner side of the earmuff is provided with a pressure eardrum 20, and the earmuff is sleeved on the ear of the patient to replace the conical plug 19 to be plugged into the ear hole, so that the pressure equalizing effect is ensured, and meanwhile, the situation that the conical plug 19 cannot be fixed due to the small ear hole of the patient is avoided.
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 attributes 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A pressure-equalizing protection type oxygen humidification bottle for an operating room comprises a humidification bottle and a water replenishing bottle which are arranged in parallel, and is characterized in that a bottle cap is arranged at the top of the humidification bottle, a connecting seat which is hollow inside is arranged between a flowmeter and the bottle cap, a pressure equalizing pipe which is communicated with the connecting seat and the flowmeter is inserted into the side face of the connecting seat, a pressure equalizer is arranged at the front end of the pressure equalizing pipe and comprises two branch pipes which are butted with the front end of the pressure equalizing pipe, a conical plug is arranged at the front end of each branch pipe, the conical plug is hollow inside, the front end of the conical plug is of a sealing structure, and a pressure drum membrane is arranged in the center of the front end of the conical plug; a piston rod is inserted in the water replenishing bottle, a piston is fixed at the lower end of the piston rod, the upper end of the piston rod extends out of the upper part of the water replenishing bottle and is provided with a piston handle, a pressure stabilizing port is also formed in the top of the water replenishing bottle, and a communicating pipe for connecting the interior of the humidifying bottle is fixed on the outer side of the bottom of the water replenishing bottle; the bottom still is equipped with the filter screen in the moisturizing bottle, and the filter screen is located communicating pipe and moisturizing bottle junction top.
2. The pressure-equalizing protection type oxygen humidification bottle for the operating room as claimed in claim 1, wherein a check valve is arranged on the air outlet, and a hexagon bolt is arranged outside the air outlet.
3. The pressure-equalizing protection type oxygen humidification bottle for the operating room as claimed in claim 1, wherein an oxygen conduit is arranged inside the humidification bottle, an atomizer is arranged at the bottom of the oxygen conduit, the bottom of the oxygen conduit is sealed, and a plurality of openings are arranged on the side surface of the oxygen conduit.
4. The pressure-equalizing protection type oxygen humidification bottle for the operating room as claimed in claim 1, wherein a clamping seat is arranged on a side surface of the humidification bottle, the clamping seat is semi-circular and has a radius matched with a radius of a body of a water replenishing bottle, and the water replenishing bottle is fixedly connected with the humidification bottle through the clamping seat.
5. The pressure-equalizing protection type oxygen humidification bottle for the operating room as claimed in claim 1, wherein a plug for connecting a central oxygen supply pipeline, a regulating valve for regulating the flow of oxygen and an air outlet for outputting stable oxygen are inserted on the bottle cap, and a flow meter for displaying the flow of oxygen is arranged above the bottle cap.
6. The pressure-equalizing and protecting type oxygen humidification bottle for the operating room as claimed in claim 1, wherein the pressure drum is made of an elastic rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824316.0A CN109011091B (en) | 2018-07-16 | 2018-07-16 | Pressure-equalizing protection type oxygen humidification bottle for operating room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824316.0A CN109011091B (en) | 2018-07-16 | 2018-07-16 | Pressure-equalizing protection type oxygen humidification bottle for operating room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109011091A CN109011091A (en) | 2018-12-18 |
| CN109011091B true CN109011091B (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810824316.0A Expired - Fee Related CN109011091B (en) | 2018-07-16 | 2018-07-16 | Pressure-equalizing protection type oxygen humidification bottle for operating room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109011091B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388834B (en) * | 2020-01-21 | 2023-12-05 | 湖南明康中锦医疗科技发展有限公司 | Humidification device for respiratory support equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5483975A (en) * | 1995-03-10 | 1996-01-16 | Hirschenbain; Aviv | Device for equalizing pressure across the eardrum of divers |
| US6089233A (en) * | 1998-09-29 | 2000-07-18 | Safe Dive Ltd. | Diving mask supplemented with a device for equalizing pressure across the eardrum of divers |
| CN102380147A (en) * | 2010-08-30 | 2012-03-21 | 陈晓曦 | Medical oxygen pressure respiratory protection device |
| CN203354882U (en) * | 2013-05-24 | 2013-12-25 | 王彦珍 | Tympanic membrane massager |
| CN204910404U (en) * | 2015-09-01 | 2015-12-30 | 张玉才 | Formula oxygen inhalator is inserted to wall |
| CN204932498U (en) * | 2015-01-29 | 2016-01-06 | 张一卓 | A kind of Respiratory Medicine oxygen has pressure respiratory organ |
| CN107157652A (en) * | 2017-06-28 | 2017-09-15 | 台州市温岭中医医疗中心（集团） | Visible adjusting screw drum pressure film microseismic instrument |
| CN108066062A (en) * | 2018-01-29 | 2018-05-25 | 湖州健凯康复产品有限公司 | A kind of air-pump type device for managing irritating auditory phenomena |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202446345U (en) * | 2012-01-16 | 2012-09-26 | 浙江理工大学 | Anti-noise ear plug |
| US10016304B2 (en) * | 2015-07-16 | 2018-07-10 | Tusker Medical, Inc. | Earplug assembly for iontophoresis system |
-
2018
- 2018-07-16 CN CN201810824316.0A patent/CN109011091B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5483975A (en) * | 1995-03-10 | 1996-01-16 | Hirschenbain; Aviv | Device for equalizing pressure across the eardrum of divers |
| US6089233A (en) * | 1998-09-29 | 2000-07-18 | Safe Dive Ltd. | Diving mask supplemented with a device for equalizing pressure across the eardrum of divers |
| CN102380147A (en) * | 2010-08-30 | 2012-03-21 | 陈晓曦 | Medical oxygen pressure respiratory protection device |
| CN203354882U (en) * | 2013-05-24 | 2013-12-25 | 王彦珍 | Tympanic membrane massager |
| CN204932498U (en) * | 2015-01-29 | 2016-01-06 | 张一卓 | A kind of Respiratory Medicine oxygen has pressure respiratory organ |
| CN204910404U (en) * | 2015-09-01 | 2015-12-30 | 张玉才 | Formula oxygen inhalator is inserted to wall |
| CN107157652A (en) * | 2017-06-28 | 2017-09-15 | 台州市温岭中医医疗中心（集团） | Visible adjusting screw drum pressure film microseismic instrument |
| CN108066062A (en) * | 2018-01-29 | 2018-05-25 | 湖州健凯康复产品有限公司 | A kind of air-pump type device for managing irritating auditory phenomena |
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| Publication number | Publication date |
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| CN109011091A (en) | 2018-12-18 |
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Granted publication date: 20210723 |