CN209187817U - A kind of compatible tidal air, expectoration and atomization breathing circuit - Google Patents
A kind of compatible tidal air, expectoration and atomization breathing circuit Download PDFInfo
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- CN209187817U CN209187817U CN201821744725.1U CN201821744725U CN209187817U CN 209187817 U CN209187817 U CN 209187817U CN 201821744725 U CN201821744725 U CN 201821744725U CN 209187817 U CN209187817 U CN 209187817U
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Abstract
The utility model relates to the field of medical instrument technology more particularly to the breathing circuits of a kind of compatible tidal air, expectoration and atomization, including the first air intake duct, the first exhaust tube, atomization gas delivery pipe, the first expectoration pipe and product Sputum cup；The first end of first air intake duct is connected to the sucking gas vent of equipment end, and the second end of the first air intake duct is connected to patient respiratory end；The first end of first exhaust tube and the exhaled gas inlet communication of equipment end, the second end of the first exhaust tube are connected to patient respiratory end；The first end of atomization gas delivery pipe is connected to the atomizing gas outlet of equipment end, and the second end of atomization gas delivery pipe is connected to the first air intake duct；The first end of first expectoration pipe is connected to patient respiratory end, and the second end of the first expectoration pipe is connected to product Sputum cup.It can cooperate with noninvasive breathing expectoration atomizing all-in-one machine, to realize the function of breathing, the expectoration and nebulae inhalation of noninvasive breathing expectoration atomizing all-in-one machine.
Description
Technical field
The utility model relates to exhaling for the field of medical instrument technology more particularly to a kind of compatible tidal air, expectoration and atomization
Suck back road.
Background technique
Now, apply mechanical ventilation, ventilator, sputum elimination machine, nebulizer system schema in, most with patient end
Close is breathing circuit, its major function and effect is: a sealing respiration channel is provided for mechanical ventilation or manual ventilation,
On the one hand, the air or oxygen at conveying equipment end sucks patient to patient end；On the other hand, the gas of conveying patient end exhalation
Body is to equipment end；Wherein sputum can be excreted with the gas of exhalation, and the medical fluid of atomization can enter patient's body with the gas of sucking
It is interior, while breathing circuit also realizes the monitoring of tidal volume, airway pressure and temperature.
Currently, the breathing circuit in hospital medical system is divided into two types: single tube breathing circuit and two-tube breathing circuit.
Single tube breathing circuit is mainly used in noninvasive ventilator, is connect by breathing mask with patient end and carries out positive pressure mechanical ventilation,
Gas vent is had on breathing mask, when patient breaths, air or oxygen enters patient's body, Huan Zhehu by single tube breathing circuit
When gas, the gas of exhalation is discharged from the gas vent at breathing mask end.Two-tube breathing circuit is mainly used in invasive respirator, double
Pipe breathing circuit is divided into expiratory phase and inspiratory phase, by establish artificial airway's (intranasal or oral trachea cannula, tracheotomy) into
Row positive pressure mechanical ventilation, when patient breaths, air or oxygen enters patient's body by inspiratory phase, when patient expiration, exhalation
Gas is discharged by expiratory phase.
No-wound mechanical ventilation can retain patient's normal physiological function (speaking, expectoration, feed etc.), avoid invasive mechanical logical
The complication of gas avoids or reduces the application of sedative, while pain is small, easy-tolerated, and medical expense is relatively low.Invasive machinery
The parameter and alarm setting of ventilation are perfect, can guarantee accurately to ventilate, and find the problem in time, while pipeline sealing performance is good,
Man-machine cooperation is preferable, and airway management is easily guaranteed that.No-wound mechanical ventilation has setting simplicity, suffers from compared with Mechanical ventilation
Person is easy to receive, is not easy the features such as subsequent pulmonary damage and pulmonary infection, but also has that synchronism between human and machine is poor, tidal volume is unstable
Determine, be unfavorable for the disadvantages of airway secretions drainage.
Noninvasive and Mechanical ventilation has certain difference, but both as a kind of two kinds of weights of disease of clinical treatment
A kind of means either mechanical ventilation mode of disease different phase is wanted, it is noninvasive to have close connection between Mechanical ventilation
System, if AECOPD (acute exacerbations in patients with chronic obstructive pulmonary disease) patient early stage can treat using no-wound mechanical ventilation, such as fruit disease
Feelings, which are further aggravated, can carry out invasive mechanical ventilation.Simultaneously in the therapeutic process of disease, according to tidal air, expectoration and
The demand of nebulae inhalation, it is desirable to provide suitable for the breathing circuit of above-mentioned different function, exhaled in the prior art using often replacement
Suck back the way on road.Using the way of frequent replacement breathing circuit, on the one hand, either suck the contamination rate of gas still
The incidence of pneumonia is all obviously increased in frequently replacement pipeline, and on the other hand, trachea cannula is expensive, and often replacement can add
The economic pressures of big patient.
Utility model content
(1) technical problems to be solved
In order to solve the above problem of the prior art, the utility model provides a kind of compatible tidal air, expectoration and atomization
Breathing circuit can cooperate with noninvasive breathing expectoration atomizing all-in-one machine, to realize exhaling for noninvasive breathing expectoration atomizing all-in-one machine
It inhales, the function of expectoration and nebulae inhalation.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include:
A kind of compatible tidal air, expectoration and atomization breathing circuit, including the first air intake duct, the first exhaust tube, atomization gas
Body delivery pipe, the first expectoration pipe and product Sputum cup；The first end of first air intake duct is connected to the sucking gas vent of equipment end, and first
The second end of air intake duct is connected to patient respiratory end；The first end of first exhaust tube and the exhaled gas inlet communication of equipment end,
The second end of first exhaust tube is connected to patient respiratory end；The first end of atomization gas delivery pipe and the atomization gas of equipment end go out
Mouth connection, the second end of atomization gas delivery pipe are connected to the first air intake duct；The first end of first expectoration pipe and patient respiratory end
The second end of connection, the first expectoration pipe is connected to product Sputum cup.
Further, the second end of the first air intake duct is connected by jet atomization cup and the second air intake duct and patient respiratory end
It is logical, medical fluid is stored in jet atomization cup；Jet atomization cup includes sucking gas feed, atomization gas import and gas-liquid mixture
Outlet；The second end of first air intake duct is connected to sucking gas feed, and the first end and gas-liquid mixture of the second air intake duct export
Connection, the second end of the second air intake duct are connected to patient respiratory end；The second end and atomization gas import of atomization gas delivery pipe
Connection, the medical fluid in jet atomization cup is atomized.
Further, the second end of at least the first air intake duct (30) is detachably connected to sucking gas feed.
It further, further include the second expectoration pipe, the first end of the second expectoration pipe passes through product Sputum cup and the first expectoration Guan Lian
Logical, the second end of the second expectoration pipe is connected to the negative pressure mouth of equipment end.
Further, the second end of the first exhaust tube is connected by vacuum suction chamber and the second exhaust tube and patient respiratory end
It is logical；The vacuum suction chamber includes dry phlegm-syndrome mixture intake, exhaled gas outlet and sputum outlet；The second end of first exhaust tube
It is connected to the first end of exhaled gas outlet, the second exhaust tube with dry phlegm-syndrome mixture intake, the second end of the second exhaust tube
It is connected to patient respiratory end；The first end and sputum outlet of first expectoration pipe.
Further, second end with the exhaled gas outlet of at least the first exhaust tube are detachably connected to.
Further, the first bacteriological filter is disposed with from first end to the direction of second end on the first air intake duct
Device, humidifier, the first heating pipeline and temperature sensor.
Further, the first biofilter is arranged at the first air intake duct air inlet, humidifier and temperature sensor patch
Nearly first heating pipeline setting.
Further, water accumulating cup, second are disposed with from first end to the direction of second end on the first exhaust tube
Biofilter and the second heating pipeline.
(3) beneficial effect
The beneficial effects of the utility model are:
By means of by breathing circuit, expectoration circuit formed together with nebulae inhalation loop combination a kind of compatible tidal air,
The breathing circuit of expectoration and atomization can not only cooperate with noninvasive breathing expectoration atomizing all-in-one machine, but can disassemble with it is noninvasive
Ventilator, invasive respirator, sputum elimination machine, vaporizer cooperation do not need often to replace breathing during clinical treatment
Circuit reduces the risk of generation and the cross-infection of complication, while cost is relatively low, reduces the economic pressures of patient.
Detailed description of the invention
The utility model is described by means of the following drawings:
Fig. 1 is according to the compatibility tidal air of the utility model embodiment 1, expectoration and the structural representation for being atomized breathing circuit
Figure；
Fig. 2 is to be applicable in noninvasive breathing according to the compatibility tidal air of the utility model embodiment 2, expectoration and atomization breathing circuit
The structural schematic diagram of machine；
Fig. 3 is to be applicable in invasive breathing according to the compatibility tidal air of the utility model embodiment 3, expectoration and atomization breathing circuit
The structural schematic diagram of machine；
Fig. 4 is to be applicable in noninvasive expectoration according to the compatibility tidal air of the utility model embodiment 4, expectoration and atomization breathing circuit
The structural schematic diagram of machine；
Fig. 5 is to be applicable in medical atomized according to the compatibility tidal air of the utility model embodiment 5, expectoration and atomization breathing circuit
The structural schematic diagram of device.
[description of symbols]
1: equipment end；
2: patient respiratory end；
30: the first air intake ducts；31: the first biofilters；32: humidifier；33: the first heating pipelines；34: temperature sensing
Device；36: the second air intake ducts；
40: the first exhaust tubes；41: water accumulating cup；42: the second biofilters；43: the second heating pipelines；Exhale at 44: the second
Pipe；
50: atomization gas delivery pipe；51: jet atomization cup；
61: the first expectoration pipes；62: vacuum suction chamber；63: product Sputum cup；64: the second expectoration pipes；
7: without gas vent breathing mask；
8: band gas vent breathing mask；
9: trachea cannula.
Specific embodiment
It is with reference to the accompanying drawing, right by specific embodiment in order to understand in order to preferably explain the utility model
The utility model is described in detail.
Embodiment 1
Overall structure
As shown in Figure 1, the breathing circuit of a kind of compatible tidal air, expectoration and atomization, including the first air intake duct 30, first exhale
Tracheae 40, atomization gas delivery pipe 50, the first expectoration pipe 61 and product Sputum cup 63.Equipment end 1 is noninvasive breathing expectoration atomization one
Machine, patient respiratory end 2 are without gas vent breathing mask 7.
The first end of first air intake duct 30 is connected to the sucking gas vent of noninvasive breathing expectoration atomizing all-in-one machine, and first inhales
The second end of tracheae 30 is connected to without gas vent breathing mask 7；The first end of first exhaust tube 40 and noninvasive breathing expectoration mist
Change the exhaled gas inlet communication of all-in-one machine, the second end of the first exhaust tube 40 is connected to without gas vent breathing mask 7；Atomization
The first end of air shooter 50 is connected to the atomisation outlet of noninvasive breathing expectoration atomizing all-in-one machine, atomization gas delivery pipe 50
Second end is connected to the first air intake duct 30；The first end of first expectoration pipe 61 is connected to without gas vent breathing mask 7, first row
The second end of phlegm pipe 61 is connected to product Sputum cup 63.
When noninvasive breathing expectoration atomizing all-in-one machine carries out noninvasive respiratory function, the first air intake duct 30 conveys empty oxygen gas mixture
Body sucks patient to without gas vent breathing mask 7；Gas to the noninvasive breathing of first exhaust tube 40 conveying patient's exhalation is arranged
Phlegm atomizing all-in-one machine is handled.When noninvasive breathing expectoration atomizing all-in-one machine carries out nebulae inhalation function, the first air intake duct 30
The empty oxygen gas mixture relative velocity of conveying is big, and the atomized particles in ejection atomization air shooter 50 and empty oxygen gas mixture are mixed
It closes, and then is delivered to without gas vent breathing mask 7, suck patient.When noninvasive breathing expectoration atomizing all-in-one machine carries out expectoration
When function, noninvasive breathing expectoration atomizing all-in-one machine generates the negative pressure of a moment, and the big air-flow of the negative pressure of moment is by the sputum of patient
It is taken out of from intrapulmonary, by the water conservancy diversion of the first expectoration pipe 61, sputum is collected into long-pending Sputum cup 63.The breathing circuit may be implemented with
Noninvasive breathing expectoration atomizing all-in-one machine cooperation, so as to realize noninvasive breathing, expectoration and atomizing functions.
Further, which further includes the second air intake duct 36 and jet atomization cup 51, and jet atomization cup 51 includes
Suck gas feed, atomization gas import and gas-liquid mixture outlet.The second end and sucking gas feed of first air intake duct 30
Connection, the first end and gas-liquid mixture outlet of the second air intake duct 36, the second end and patient respiratory of the second air intake duct 36
2 connection of end；The second end and atomization gas inlet communication of atomization gas delivery pipe 50.Medical fluid is stored in jet atomization cup 51,
The empty oxygen gas mixture relative velocity of first air intake duct 30 conveying is big, and the atomization gas of ejection atomization air shooter 50 is being atomized
The drug particle generated in cup 51 is mixed with empty oxygen gas mixture, and then is delivered to without gas vent breathing mask 7, and patient is inhaled
Enter.Induction efficiency is improved, drug particle is promoted to enter in sky oxygen gas mixture.
Further, which further includes the second exhaust tube 44, vacuum suction chamber 62 and the second expectoration pipe 64, negative pressure
Suction cavity 62 includes dry phlegm-syndrome mixture intake, exhaled gas outlet and sputum outlet.The second end and exhalation of first exhaust tube 40
Gas vent connection, the first end of the second exhaust tube 44 is connected to dry phlegm-syndrome mixture intake, the second end of the second exhaust tube 44 and
Patient respiratory end 2 is connected to；The first end of first expectoration pipe 61 and the sputum outlet of vacuum suction chamber 62, the second expectoration pipe 64
First end pass through product Sputum cup 63 and be connected to the first expectoration pipe 61, the negative pressure mouth of the second end of the second expectoration pipe 64 and equipment end 1
Connection.In the moment of expectoration, dry phlegm-syndrome mixture is entered in vacuum suction chamber 62 by second exhaust tube 44, at this time equipment end 1
Negative pressure mouth generates negative pressure, is transmitted in the vacuum suction chamber 62 being connected to negative pressure mouth, sputum passes through under the attraction of negative-pressure gas
The variation of gravity and sputum speed and direction improves the collection rate of sputum, and will attract by sputum collecting into product Sputum cup 63
The gas accumulated afterwards is discharged by negative pressure mouth.Reduce influence of the trapped gas to sputum collecting, and accurate detection patient tide
Tolerance.
It is further preferred that the second end of the first air intake duct 30 is detachably connected to sucking gas feed, the first exhaust tube
40 second end is detachably connected to exhaled gas outlet.
Air intake duct
It is disposed with the first biofilter 31 on direction on the first air intake duct 30 from first end to second end, adds
Wet device 32, first heats pipeline 33 and temperature sensor 34.
First biofilter 31 is for removing organic gas such as the dust being passed through in gas, benzene class, phenols, aldehydes, alcohols
Body, all kinds of gases containing micro heavy and bacterium, virus etc. guarantee the cleaning gas health of patient's sucking, avoid pollution
Object causes the infection of patients with respiratory tract, lung.Humidifier 32 is humidified to gas is passed through, avoid patient airway humidifying not enough and
Respiratory mucosa caused by leptochymia etc. is dry, and thick sputum is unable to expectoration or suction.First heating pipeline 33 is first
Heated at constant temperature silk is set on air intake duct 30, and heater strip is evenly distributed on the inner surface of the first air intake duct 30, carries out to gas is passed through
Heating, and be passed through gas and be heated evenly, the generation of humidifier and suction pipe internal condensation water is prevented, while preventing patient from sucking
Gas temperature it is lower and stimulate patient airway.Temperature sensor 34 is respectively used to the temperature of monitoring the first heating pipeline 33, with
Guarantee is passed through gas and is in a suitable condition for the patient.
Preferably, the first biofilter 31 is arranged at 30 air inlet of the first air intake duct, humidifier 32 and temperature sensing
Device 34 is arranged close to the first heating pipeline 33.
Exhaust tube
Water accumulating cup 41, the second bacterium mistake are disposed on direction on the first exhaust tube 40 from first end to second end
Filter 42 and the second heating pipeline 43.
Second heating pipeline 43 is that setting heated at constant temperature silk, heater strip are evenly distributed on first and exhale on the first exhaust tube 40
The inner surface of tracheae 40, heats exhaled gas, and exhaled gas is heated evenly, and prevents the production of expiration pipeline internal condensation water
It is raw.Second biofilter 42 is used for filter bacteria, and avoids the noninvasive breathing expectoration atomization of the germ contamination in exhaled gas
Inside all-in-one machine, gas circuit is caused to pollute, when different patients use same noninvasive breathing expectoration atomizing all-in-one machine, occurs intersecting sense
The problem of dye.When exhaled gas passes through the first exhaust tube 40, because in the first exhaust tube 40 caused by 40 internal-external temperature difference of the first exhaust tube
There is condensed water, condensed water will affect the normal work of noninvasive breathing expectoration atomizing all-in-one machine internal sensor, cause measurement not
Accurate problem collects condensed water, avoids the normal work for influencing noninvasive breathing expectoration atomizing all-in-one machine by the way that water accumulating cup 41 is arranged
Make.
Preferably, the second biofilter 42 uses big ventilation sectional area, reduces the second biofilter 42 in expectoration
The vapour lock that function moment generates guarantees have enough gas flows to pass through and the lesser pressure loss in expectoration function moment.
Embodiment 2
As shown in Fig. 2, equipment end 1 is noninvasive ventilator, compatibility tidal air, expectoration and the breathing of atomization in embodiment 1
Circuit is also applicable in noninvasive ventilator.Specific implementation are as follows: dismantle the first air intake duct 30 with jet atomization cup 51, the first air intake duct 30
First end be connected to the gas vent of noninvasive ventilator, the second end of the first air intake duct 30 with gas vent breathing mask 8 connect
It is logical.To realize noninvasive respiratory function.
Embodiment 3
As shown in figure 3, equipment end 1 is invasive respirator, compatibility tidal air, expectoration and the breathing of atomization in embodiment 1
Circuit is also applicable in invasive respirator.Specific implementation are as follows: dismantle the first air intake duct 30 with jet atomization cup 51, the first air intake duct 30
First end be connected to the gas vent of invasive respirator, the second end of the first air intake duct 30 is connected to trachea cannula 9；By first
Exhaust tube 40 is dismantled with vacuum suction chamber 62, and the exhaled gas import of the first end and invasive respirator of the first exhaust tube 40 connects
Logical, the second end of the first exhaust tube 40 is connected to trachea cannula 9.To realize invasive breathing function.
Embodiment 4
As shown in figure 4, equipment end 1 is noninvasive sputum elimination machine, compatibility tidal air, expectoration and the breathing of atomization in embodiment 1
Circuit is also applicable in noninvasive sputum elimination machine.Specific implementation are as follows: by the gas vent of the first end of the first exhaust tube 40 and noninvasive sputum elimination machine
Connection, the second end of the first exhaust tube 40 and the exhaled gas outlet of vacuum suction chamber 62, the first of the second exhaust tube 44
End is connected to the dry phlegm-syndrome mixture intake of vacuum suction chamber 62, the second end of the second exhaust tube 44 and without gas vent breathing mask
7 connections, the first end and 62 sputum outlet of vacuum suction chamber of the first expectoration pipe 61, the second end and nothing of the second expectoration pipe 64
Create the negative pressure mouth connection of sputum elimination machine.In the moment of expectoration, dry phlegm-syndrome liquid mixture enters vacuum suction chamber by the second exhaust tube 44
In 62, at this time vacuum suction chamber 62 by the second expectoration pipe 64 generate a larger negative pressure, sputum under the attraction of negative-pressure gas,
By the variation of gravity and sputum speed and direction, by sputum collecting into product Sputum cup 63, the collection rate of sputum is improved, and will
The gas accumulated after attraction is discharged by negative pressure mouth, to realize noninvasive expectoration function.
Embodiment 5
As shown in figure 5, equipment end 1 is vaporizer, compatibility tidal air, expectoration and the breathing of atomization in embodiment 1
Circuit is also applicable in vaporizer.Specific implementation are as follows: dismantle jet atomization cup 51 and the first air intake duct 30, atomization gas conveying
The first end of pipe 50 is connected to the atomisation outlet of vaporizer, the second end of the second air intake duct 36 with gas vent breathing mask
8 connections.Realize nebulae inhalation function.
It is to be appreciated that the description to specific embodiment of the utility model progress is simply to illustrate that this is practical above
Novel technology path and feature, its object is to allow those skilled in the art that can understand the content of the utility model simultaneously
Implement accordingly, but the utility model is not limited to above-mentioned particular implementation.All ranges in the utility model claims
The various change or modification inside made should all cover within the protection scope of the present utility model.
Claims (9)
1. the breathing circuit of a kind of compatible tidal air, expectoration and atomization, it is characterised in that:
Including the first air intake duct (30), the first exhaust tube (40), atomization gas delivery pipe (50), the first expectoration pipe (61) and product phlegm
Cup (63)；
The first end of first air intake duct (30) is connected to the sucking gas vent of equipment end (1), first air intake duct
(30) second end is connected to patient respiratory end (2)；
The first end of first exhaust tube (40) and the exhaled gas inlet communication of equipment end (1), first exhaust tube
(40) second end is connected to patient respiratory end (2)；
The first end of the atomization gas delivery pipe (50) is connected to the atomizing gas outlet of equipment end (1), the atomization gas
The second end of delivery pipe (50) is connected to the first air intake duct (30)；
The first end of the first expectoration pipe (61) is connected to patient respiratory end (2), the second end of the first expectoration pipe (61)
It is connected to product Sputum cup (63).
2. the breathing circuit of compatible tidal air according to claim 1, expectoration and atomization, it is characterised in that: described first
The second end of air intake duct (30) is connected to by jet atomization cup (51) and the second air intake duct (36) with patient respiratory end (2), described
Jet atomization cup stores medical fluid in (51)；
The jet atomization cup (51) includes inhaling λ gas feed, atomization gas import and gas-liquid mixture outlet；
The second end of first air intake duct (30) is connected to the sucking gas feed, and the first of second air intake duct (36)
End and the gas-liquid mixture outlet, the second end of second air intake duct (36) are connected to patient respiratory end (2)；
The second end of the atomization gas delivery pipe (50) and the atomization gas inlet communication, will be in jet atomization cup (51)
Medical fluid is atomized.
3. the breathing circuit of compatible tidal air according to claim 2, expectoration and atomization, it is characterised in that:
The second end of at least described first air intake duct (30) is detachably connected to the sucking gas feed.
4. the breathing circuit of compatible tidal air according to claim 1, expectoration and atomization, it is characterised in that:
It further include the second expectoration pipe (64), the first end of the second expectoration pipe (64) passes through product Sputum cup (63) and the first row
Phlegm pipe (61) connection, the second end of the second expectoration pipe (64) are connected to the negative pressure mouth of equipment end (1).
5. the breathing circuit of compatible tidal air according to claim 4, expectoration and atomization, it is characterised in that:
The second end of first exhaust tube (40) passes through vacuum suction chamber (62) and the second exhaust tube (44) and patient respiratory end
(2) it is connected to；The vacuum suction chamber (62) includes dry phlegm-syndrome mixture intake, exhaled gas outlet and sputum outlet；
The second end of first exhaust tube (40) and the exhaled gas outlet, the first of second exhaust tube (44)
End is connected to the dry phlegm-syndrome mixture intake, and the second end of second exhaust tube (44) is connected to patient respiratory end (2)；It is described
The first end of first expectoration pipe (61) and the sputum outlet.
6. the breathing circuit of compatible tidal air according to claim 5, expectoration and atomization, it is characterised in that:
The second end of at least described first exhaust tube (40) is detachably connected to exhaled gas outlet.
7. according to compatibility tidal air, expectoration described in claim l and the breathing circuit of atomization, it is characterised in that:
The first biofilter is disposed on direction on first air intake duct (30) from first end to second end
(31), humidifier (32), the first heating pipeline (33) and temperature sensor (34).
8. the breathing circuit of compatible tidal air according to claim 7, expectoration and atomization, it is characterised in that:
First biofilter (31) is arranged at the first air intake duct (30) air inlet, and the humidifier (32) and temperature pass
Sensor (34) is arranged close to the first heating pipeline (33).
9. the breathing circuit of compatible tidal air according to claim 1, expectoration and atomization, it is characterised in that:
Water accumulating cup (41), second are disposed on direction on first exhaust tube (40) from first end to second end carefully
Bacterium filter (42) and the second heating pipeline (43).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821744725.1U CN209187817U (en) | 2018-10-25 | 2018-10-25 | A kind of compatible tidal air, expectoration and atomization breathing circuit |
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| CN201821744725.1U CN209187817U (en) | 2018-10-25 | 2018-10-25 | A kind of compatible tidal air, expectoration and atomization breathing circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827786A (en) * | 2020-06-08 | 2021-12-24 | 河北金康安医疗器械科技有限公司 | Sputum excretion device |
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2018
- 2018-10-25 CN CN201821744725.1U patent/CN209187817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827786A (en) * | 2020-06-08 | 2021-12-24 | 河北金康安医疗器械科技有限公司 | Sputum excretion device |
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