CN210644785U - Breathing machine - Google Patents
Breathing machine Download PDFInfo
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- CN210644785U CN210644785U CN201920991138.0U CN201920991138U CN210644785U CN 210644785 U CN210644785 U CN 210644785U CN 201920991138 U CN201920991138 U CN 201920991138U CN 210644785 U CN210644785 U CN 210644785U
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Abstract
The utility model discloses a breathing machine, include: an oxygen tank; an air tank; a cabinet in which an interior of the cabinet is divided into a first chamber and a second chamber by a partition; a first tube communicating the oxygen tank and the first chamber; a second tube communicating the air tank and the first chamber; the rotating shaft is provided with a plurality of groups of fan blades; a third tube communicating with the inside of the first chamber; a first level sensor for detecting a first liquid level; the second liquid level sensor is used for detecting a second liquid level, and the second liquid level is lower than the first liquid level; a heating assembly disposed within a lower portion of the second chamber; a temperature sensor located above the first liquid level; one end of the breathing tube is communicated with the upper part of the second chamber, and the other end of the breathing tube is provided with a breathing mask; an exhaust pipe, one end of which is communicated with the inside of the breathing mask; and a controller. The utility model discloses go on gaseous mixture, humidification, heating integration in the casing, equipment occupation space is little, and the operation is simpler.
Description
Technical Field
The utility model relates to the technical field of medical equipment. More specifically, the present invention relates to ventilators.
Background
The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient. In clinical practice, particularly in the fields of surgery, emergency treatment and treatment of respiratory diseases, the application of the breathing machine is becoming more and more extensive, but the existing breathing machine has the problems that the mixing, humidification and heating of gas are carried out in different devices, the occupied space is large, and the operation is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a breathing machine, it is integrated going on in the casing with gaseous mixture, humidification, heating, and equipment occupation space is little, operates simpler.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a ventilator including:
an oxygen tank;
an air tank;
the water inlet and outlet device comprises a shell, a water inlet and a water outlet, wherein the shell is hollow and is arranged in the vertical direction, a partition plate is arranged in the shell in the vertical direction, the partition plate divides the interior of the shell into a first cavity and a second cavity, the top of the second cavity is provided with a water inlet, and the lower part or the bottom of the second cavity is provided with a water outlet;
one end of the first pipe body is communicated with the oxygen tank, the other end of the first pipe body is connected with the lower part of the first chamber and communicated with the first chamber, and a first pressure reducing valve is arranged on the first pipe body;
one end of the second pipe body is communicated with the air tank, the other end of the second pipe body is connected with the lower part of the first cavity and communicated with the first cavity, and a second pressure reducing valve is arranged on the first pipe body;
the rotating shaft is arranged in the first cavity along the vertical direction, the top of the rotating shaft is rotatably connected with the top of the shell, the rotating shaft is driven by the power device to rotate, a plurality of groups of blades are arranged on the rotating shaft at intervals along the vertical direction, one group of blades are arranged at intervals along the circumferential direction of the rotating shaft, and the other end of the first pipe body and the other end of the second pipe body are both positioned below the lowest group of blades;
the third pipe body is arranged in the second cavity, one end of the third pipe body is fixedly connected with the upper part of the partition plate and is communicated with the inside of the first cavity, the other end of the third pipe body is positioned at the lower part of the second cavity, and a one-way valve is arranged on the third pipe body, so that gas in the third pipe body can only flow from one end to the other end of the third pipe body;
a first liquid level sensor disposed within the second chamber for detecting a first liquid level within the second chamber;
the second liquid level sensor is arranged in the second chamber and used for detecting a second liquid level in the second chamber, the second liquid level is lower than the first liquid level, and the other end of the third tube body is positioned below the second liquid level;
a heating member disposed in a lower portion of the second chamber, located below the other end of the third pipe, and not interfering with the drain port;
a temperature sensor located above the first liquid level and within the second chamber;
one end of the breathing tube is connected with the shell, is communicated with the upper part of the second chamber and is positioned above the first liquid level, one end of the breathing tube is provided with a one-way valve, and the other end of the breathing tube is provided with a breathing mask, so that the gas in the breathing tube can only flow from one end to the other end;
one end of the exhaust pipe is connected with the side wall of the respirator and is communicated with the interior of the respirator, the other end of the exhaust pipe is open, and a one-way valve is arranged in the exhaust pipe, so that the gas in the exhaust pipe can only flow from one end to the other end of the exhaust pipe;
and the controller is respectively connected with the heating assembly and the temperature sensor.
Preferably, in the respirator, the first pipe body is sequentially provided with a first pressure reducing valve, filter cotton and a first pressure detector from one end to the other end of the first pipe body, and the first pressure detector is connected with the controller;
the ventilator further comprises:
first alarm, it is connected with the controller, and first alarm sets up to: when the oxygen pressure in the first pipe detected by the first pressure detector is lower than a normal value, the controller controls the first alarm to give an alarm.
Preferably, in the ventilator, the first liquid level sensor and the second liquid level sensor are respectively connected with a controller;
the ventilator further comprises:
the second alarm, it is connected with the controller, and the second alarm sets up to: when the liquid level in the second chamber reaches the first liquid level or drops to the second liquid level, the controller controls the second alarm to give an alarm.
Preferably, the ventilator further includes:
the second pressure detector is fixed in the second chamber, positioned above the first liquid level and connected with the controller;
and the pressure relief valve is arranged at the top of the second chamber and is connected with the controller.
Preferably, in the respirator, the second tube body is sequentially provided with a second pressure reducing valve, filter cotton and a third pressure detector from one end to the other end of the second tube body, and the third pressure detector is connected with the controller;
the ventilator further comprises:
the third alarm is connected with the controller, and the third alarm is set as follows: when the third pressure detector detects that the air pressure in the second pipe body is lower than a normal value, the controller controls the third alarm to give an alarm.
Preferably, in the ventilator, the other end of the breathing tube is provided with a flow meter.
Preferably, in the ventilator, the casing is rectangular, the partition is parallel to one side wall of the casing, and the other end of the first pipe and the other end of the second pipe are both arranged on one side wall of the casing;
the ventilator further comprises:
a plurality of baffle plates which are arranged in the first cavity at intervals along the vertical direction, a rotating shaft passes through each baffle plate, the baffle plates are rectangular, a baffle plate is arranged between two adjacent groups of fan blades, one baffle plate of the two adjacent baffle plates is fixedly and seamlessly connected with one of the baffle plate and one side wall of the shell, the other baffle plate is fixedly and seamlessly connected with the other baffle plate and the other side wall of the shell, wherein, the baffle fixed on the clapboard is separated from one side wall of the shell by a certain distance and is fixed and seamlessly connected with two side walls on the shell vertical to the clapboard, the baffle fixed on one side wall of the shell is separated from the clapboard by a certain distance, and fixed and seamless connection with two lateral walls on the casing and perpendicular to the partition plate, the baffle plate at the lowest is separated from the partition plate by a certain distance, and the baffle plate at the uppermost is positioned below one end of the third pipe body.
Preferably, in the breathing machine, the water inlet is connected with a water source, and an electromagnetic valve is arranged at the water inlet and connected with the controller.
Preferably, in the breathing machine, the water inlet is connected with a water inlet pipe, the water inlet pipe is positioned in the second cavity, and a filtering component is arranged in the water inlet pipe.
The utility model discloses at least, include following beneficial effect:
the utility model discloses go on gaseous mixture, humidification, heating integration in the casing, equipment occupation space is little, and the operation is simpler.
The utility model discloses can carry out humidification thermal treatment to patient's inspiratory gas as required, alleviate patient's uncomfortable sense.
The utility model discloses when the water yield in the second cavity is lower, can report to the police, avoid heating element dry combustion method, and can open automatic replenishment water source through controller control solenoid.
The utility model discloses a multiunit flabellum and polylith baffle cooperation are used, can be with air and oxygen intensive mixing, and oxygen concentration is even in making inspiratory gas.
The utility model discloses filtered oxygen, air and water source respectively, can guarantee that the patient inhales totally, moist gas.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a ventilator according to an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a ventilator, comprising:
an oxygen tank 100;
an air tank 110;
a hollow housing 120, which is disposed along a vertical direction, wherein a partition 130 is disposed along the vertical direction inside the housing 120, the partition 130 divides the inside of the housing 120 into a first chamber (as shown in fig. 1, the chamber located on the left side) and a second chamber (as shown in fig. 1, the chamber located on the right side), a water inlet 121 is disposed at the top of the second chamber (the water inlet 121 is closed when water is not introduced), and a water outlet 122 is disposed at the bottom or the bottom of the second chamber (the water outlet 122 is closed when water is not introduced);
a first tube 140, one end of which is connected to the oxygen tank 100, and the other end of which is connected to the lower part of the first chamber and is connected to the first chamber, wherein the first tube 140 is provided with a first pressure reducing valve capable of controlling the outlet pressure of oxygen;
a second pipe 150 having one end connected to the air tank 110 and the other end connected to the lower portion of the first chamber and connected to the first chamber, wherein the first pipe 140 is provided with a second pressure reducing valve capable of controlling an outlet pressure of air; through the regulation of the second pressure reducing valve and the first pressure reducing valve, the mixed concentration of the oxygen and the air in the first chamber can be ensured.
A rotating shaft 160 vertically disposed in the first chamber, and the top of the rotating shaft 160 is rotatably connected to the top of the housing 120, the rotating shaft 160 is driven by a power device, such as a motor, to rotate, a plurality of sets of fan blades 170 are disposed on the rotating shaft 160 at intervals along the vertical direction, the set of fan blades 170 is disposed at intervals along the circumferential direction of the rotating shaft 160, and the other end of the first tube 140 and the other end of the second tube 150 are both located below the set of fan blades 170 at the bottom; the rotation of the shaft 160 allows the air and oxygen to be uniformly mixed in the first chamber.
A third tube 180, which is disposed in the second chamber, wherein one end of the third tube 180 is fixedly connected to the upper portion of the partition 130 and is communicated with the interior of the first chamber, and the other end is disposed at the lower portion of the second chamber, and a check valve is disposed on the third tube 180, so that the gas in the third tube 180 can only flow from one end to the other end, and the water can be prevented from flowing into the first chamber when the liquid level in the second chamber exceeds the first liquid level;
a first liquid level sensor 190 disposed within the second chamber for detecting a first liquid level (a preset maximum liquid level) within the second chamber;
a second liquid level sensor 200 disposed in the second chamber, for detecting a second liquid level (a preset minimum liquid level) in the second chamber, wherein the second liquid level is lower than the first liquid level, and the other end of the third tube 180 is located below the second liquid level;
a heating unit 210 disposed in the lower portion of the second chamber, below the other end of the third tube 180, and not interfering with the drain 122, that is, the heating unit 210 does not interfere with the drain 122;
a temperature sensor 220 located above a first liquid level, such as the top of the housing 120, and within the second chamber;
a breathing tube 230, one end of which is connected to the housing 120, is communicated with the upper part of the second chamber, and is located above the first liquid level, one end of the breathing tube 230 is provided with a one-way valve, and the other end is provided with a breathing mask, so that the gas in the breathing tube 230 can only flow from one end to the other end;
an exhaust pipe 240, one end of which is connected with the side wall of the respirator and is communicated with the interior of the respirator, and the other end of which is open, wherein a one-way valve is arranged in the exhaust pipe 240, so that the gas in the exhaust pipe 240 can only flow from one end to the other end;
the controller is respectively connected with the heating assembly 210 and the temperature sensor 220, the controller determines whether the heating assembly 210 needs to be started to heat water according to the temperature information transmitted by the temperature sensor 220, if the controller determines that the temperature in the second chamber is lower than the temperature selected by a user according to the temperature information transmitted by the temperature sensor 220, the heating assembly 210 is started, otherwise, the heating assembly 210 is not started, if the temperature in the second chamber is higher, low-temperature water can be introduced into the second chamber, but generally, when the heating assembly 210 does not work, the temperature in the second chamber is close to the room temperature, and a patient can directly inhale humid normal-temperature gas.
When the breathing machine provided by the scheme is used, water is introduced into the second cavity through the water inlet 121, meanwhile, the liquid level in the second cavity is detected through the first liquid level sensor 190 and the second liquid level sensor 200, the liquid level in the second cavity is located between the first liquid level and the second liquid level, according to the selection of a user, the heating assembly 210 is started to heat the water, the temperature sensor 220 detects the gas temperature in the second cavity in real time, the controller adjusts the heating assembly 210 according to the temperature information transmitted by the temperature sensor 220, so that the gas temperature in the second cavity reaches the temperature selected by the user, then the first reducing valve and the second reducing valve are respectively opened to adjust the outlet pressure of oxygen and air, the oxygen and the air respectively enter the first cavity through the first tube body 140 and the second tube body 150, the oxygen and the air are uniformly mixed under the action of the plurality of fan blades 170, and then the uniformly mixed gas is introduced into the water through the third tube body 180, after being humidified in water (if the heating unit 210 heats the water, the mixed gas is humidified and heated), the water enters the exhaust pipe 240, and the patient inhales the mixed gas through the breathing mask and discharges carbon dioxide through the exhaust pipe 240.
In another technical solution, in the breathing apparatus, a first pressure reducing valve, filter cotton (for filtering oxygen) and a first pressure detector are sequentially arranged on the first tube 140 from one end to the other end thereof, and the first pressure detector is connected with the controller;
the ventilator further comprises:
first alarm, it is connected with the controller, and first alarm sets up to: when the oxygen pressure in the first pipe 140 detected by the first pressure detector is lower than a normal value, the controller controls the first alarm to alarm. When the oxygen pressure becomes low, the first alarm gives an alarm to prompt medical staff to replace the oxygen tank 100 or check whether the pipeline leaks air.
In another technical solution, in the ventilator, the first liquid level sensor 190 and the second liquid level sensor 200 are respectively connected to a controller;
the ventilator further comprises:
the second alarm, it is connected with the controller, and the second alarm sets up to: when the liquid level in the second chamber reaches the first liquid level or drops to the second liquid level, the controller controls the second alarm to give an alarm. The liquid level that can avoid the second holding intracavity is higher or lower like this, when preventing that the liquid level from too high, rivers to the respiratory tube 230 in, when preventing that the liquid level from crossing excessively, the other end of third body 180 can't insert the aquatic to make heating element 210 dry combustion method.
In another technical solution, the ventilator further includes:
a second pressure detector 250 fixed in the second chamber, located above the first liquid level, and connected to the controller;
and the pressure relief valve 260 is arranged at the top of the second chamber and is connected with the controller. The second pressure detector 250 detects the gas pressure in the second chamber in real time, and when the gas pressure is too high, the controller controls the relief valve 260 to open for exhausting.
In another technical solution, in the breathing apparatus, a second pressure reducing valve, filter cotton (capable of filtering air) and a third pressure detector are sequentially arranged on the second tube 150 from one end to the other end thereof, and the third pressure detector is connected with the controller;
the ventilator further comprises:
the third alarm is connected with the controller, and the third alarm is set as follows: when the third pressure detector detects that the air pressure in the second pipe body 150 is lower than a normal value, the controller controls the third alarm to alarm. When the air pressure becomes low, the third alarm gives an alarm to prompt the medical staff to replace the air tank 110 or to check whether the pipeline leaks air.
In another technical solution, in the ventilator, a flow meter is disposed at the other end of the breathing tube 230. The flow of the mixed gas inhaled by the patient can be monitored through the flow meter, and then the flow of the mixed gas can be controlled in time according to the physical condition and the requirement of the patient.
In another technical solution, in the ventilator, the housing 120 is rectangular, the partition 130 is parallel to one side wall of the housing 120 (as shown in fig. 1, the side wall of the housing 120 on the left side), and the other end of the first tube 140 and the other end of the second tube 150 are both disposed on one side wall of the housing 120;
the ventilator further comprises:
a plurality of baffles 270 vertically spaced in the first chamber, the rotating shaft 160 passing through each baffle 270, the baffles 270 being rectangular, a baffle 270 being disposed between two adjacent sets of blades 170, one baffle 270 of the two adjacent baffles 270 being fixed and seamlessly connected to one of the partition 130 and one sidewall of the housing 120, the other baffle 270 being fixed and seamlessly connected to the other of the partition 130 and one sidewall of the housing 120, wherein the baffle 270 fixed to the partition 130 is spaced from one sidewall of the housing 120 and is fixed and seamlessly connected to two sidewalls of the housing 120 perpendicular to the partition 130, the baffle 270 fixed to one sidewall of the housing 120 is spaced from the partition 130 and is fixed and seamlessly connected to two sidewalls of the housing 120 perpendicular to the partition 130, and the lowest baffle 270 is spaced from the partition 130, the uppermost baffle 270 is positioned below one end of the third tube 180. After the mixed gas is mixed by the set of fan blades 170, the mixed gas passes through the baffle 270 and the partition 130 or a gap between the side walls of the housing 120 and is directed upward, and the oxygen and the air are mixed several times, so that the oxygen and the air are mixed more uniformly.
In another technical scheme, in the breathing machine, the water inlet 121 is connected with a water source, and an electromagnetic valve is arranged at the water inlet 121 and connected with a controller. When the liquid level in the second chamber drops to the second liquid level, the controller controls the second alarm to alarm, the electromagnetic valve is controlled to be opened, water is introduced into the second chamber through the water inlet 121, when the liquid level of the water reaches the first liquid level, the controller controls the second alarm to alarm, and the electromagnetic valve is controlled to be closed.
In another technical scheme, in the breathing machine, water inlet 121 is connected with inlet tube 280, and inlet tube 280 is located the second cavity, is provided with filter assembly in the inlet tube 280, can filter the water that gets into the second cavity, guarantees that the patient inhales totally, moist gas.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. A ventilator, comprising:
an oxygen tank;
an air tank;
the water inlet and outlet device comprises a shell, a water inlet and a water outlet, wherein the shell is hollow and is arranged in the vertical direction, a partition plate is arranged in the shell in the vertical direction, the partition plate divides the interior of the shell into a first cavity and a second cavity, the top of the second cavity is provided with a water inlet, and the lower part or the bottom of the second cavity is provided with a water outlet;
one end of the first pipe body is communicated with the oxygen tank, the other end of the first pipe body is connected with the lower part of the first chamber and communicated with the first chamber, and a first pressure reducing valve is arranged on the first pipe body;
one end of the second pipe body is communicated with the air tank, the other end of the second pipe body is connected with the lower part of the first cavity and communicated with the first cavity, and a second pressure reducing valve is arranged on the first pipe body;
the rotating shaft is arranged in the first cavity along the vertical direction, the top of the rotating shaft is rotatably connected with the top of the shell, the rotating shaft is driven by the power device to rotate, a plurality of groups of blades are arranged on the rotating shaft at intervals along the vertical direction, one group of blades are arranged at intervals along the circumferential direction of the rotating shaft, and the other end of the first pipe body and the other end of the second pipe body are both positioned below the lowest group of blades;
the third pipe body is arranged in the second cavity, one end of the third pipe body is fixedly connected with the upper part of the partition plate and is communicated with the inside of the first cavity, the other end of the third pipe body is positioned at the lower part of the second cavity, and a one-way valve is arranged on the third pipe body, so that gas in the third pipe body can only flow from one end to the other end of the third pipe body;
a first liquid level sensor disposed within the second chamber for detecting a first liquid level within the second chamber;
the second liquid level sensor is arranged in the second chamber and used for detecting a second liquid level in the second chamber, the second liquid level is lower than the first liquid level, and the other end of the third tube body is positioned below the second liquid level;
a heating member disposed in a lower portion of the second chamber, located below the other end of the third pipe, and not interfering with the drain port;
a temperature sensor located above the first liquid level and within the second chamber;
one end of the breathing tube is connected with the shell, is communicated with the upper part of the second chamber and is positioned above the first liquid level, one end of the breathing tube is provided with a one-way valve, and the other end of the breathing tube is provided with a breathing mask, so that the gas in the breathing tube can only flow from one end to the other end;
one end of the exhaust pipe is connected with the side wall of the respirator and is communicated with the interior of the respirator, the other end of the exhaust pipe is open, and a one-way valve is arranged in the exhaust pipe, so that the gas in the exhaust pipe can only flow from one end to the other end of the exhaust pipe;
and the controller is respectively connected with the heating assembly and the temperature sensor.
2. The respirator of claim 1, wherein the first tube body is provided with a first pressure reducing valve, filter cotton and a first pressure detector in sequence from one end to the other end of the first tube body, and the first pressure detector is connected with the controller;
the ventilator further comprises:
first alarm, it is connected with the controller, and first alarm sets up to: when the oxygen pressure in the first pipe detected by the first pressure detector is lower than a normal value, the controller controls the first alarm to give an alarm.
3. The ventilator of claim 1, wherein the first level sensor and the second level sensor are each connected to a controller;
the ventilator further comprises:
the second alarm, it is connected with the controller, and the second alarm sets up to: when the liquid level in the second chamber reaches the first liquid level or drops to the second liquid level, the controller controls the second alarm to give an alarm.
4. The ventilator of claim 1, further comprising:
the second pressure detector is fixed in the second chamber, positioned above the first liquid level and connected with the controller;
and the pressure relief valve is arranged at the top of the second chamber and is connected with the controller.
5. The respirator of claim 1, wherein the second tube body is provided with a second pressure reducing valve, filter cotton and a third pressure detector in sequence from one end to the other end of the second tube body, and the third pressure detector is connected with the controller;
the ventilator further comprises:
the third alarm is connected with the controller, and the third alarm is set as follows: when the third pressure detector detects that the air pressure in the second pipe body is lower than a normal value, the controller controls the third alarm to give an alarm.
6. The ventilator of claim 1 wherein the other end of said breathing tube is provided with a flow meter.
7. The ventilator of claim 1, wherein the housing has a rectangular parallelepiped shape, the partition is parallel to one side wall of the housing, and the other end of the first tube and the other end of the second tube are disposed on one side wall of the housing;
the ventilator further comprises:
a plurality of baffle plates which are arranged in the first cavity at intervals along the vertical direction, a rotating shaft passes through each baffle plate, the baffle plates are rectangular, a baffle plate is arranged between two adjacent groups of fan blades, one baffle plate of the two adjacent baffle plates is fixedly and seamlessly connected with one of the baffle plate and one side wall of the shell, the other baffle plate is fixedly and seamlessly connected with the other baffle plate and the other side wall of the shell, wherein, the baffle fixed on the clapboard is separated from one side wall of the shell by a certain distance and is fixed and seamlessly connected with two side walls on the shell vertical to the clapboard, the baffle fixed on one side wall of the shell is separated from the clapboard by a certain distance, and fixed and seamless connection with two lateral walls on the casing and perpendicular to the partition plate, the baffle plate at the lowest is separated from the partition plate by a certain distance, and the baffle plate at the uppermost is positioned below one end of the third pipe body.
8. The ventilator of claim 3, wherein the water inlet is connected to a water source, and a solenoid valve is disposed at the water inlet and connected to the controller.
9. The ventilator of claim 8, wherein the inlet port is connected to an inlet tube, the inlet tube being positioned within the second chamber, the inlet tube having a filter assembly disposed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991138.0U CN210644785U (en) | 2019-06-27 | 2019-06-27 | Breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991138.0U CN210644785U (en) | 2019-06-27 | 2019-06-27 | Breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210644785U true CN210644785U (en) | 2020-06-02 |
Family
ID=70825244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920991138.0U Expired - Fee Related CN210644785U (en) | 2019-06-27 | 2019-06-27 | Breathing machine |
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| Country | Link |
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| CN (1) | CN210644785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933357A (en) * | 2021-03-31 | 2021-06-11 | 四川大学华西第四医院 | Oxygen inhalation device for long-term artificial airway patients |
-
2019
- 2019-06-27 CN CN201920991138.0U patent/CN210644785U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933357A (en) * | 2021-03-31 | 2021-06-11 | 四川大学华西第四医院 | Oxygen inhalation device for long-term artificial airway patients |
| CN112933357B (en) * | 2021-03-31 | 2023-11-24 | 四川大学华西第四医院 | Oxygen inhalation device for long-term artificial airway patient |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |