CN209204371U - Denoising device, the gas circuit with the denoising device and the ventilator with the gas circuit - Google Patents
Denoising device, the gas circuit with the denoising device and the ventilator with the gas circuit Download PDFInfo
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- CN209204371U CN209204371U CN201821244148.XU CN201821244148U CN209204371U CN 209204371 U CN209204371 U CN 209204371U CN 201821244148 U CN201821244148 U CN 201821244148U CN 209204371 U CN209204371 U CN 209204371U
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—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. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0066—Blowers or centrifugal pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/42—Reducing noise
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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)
- Respiratory Apparatuses And Protective Means (AREA)
- Ventilation (AREA)
Abstract
The utility model provides a kind of denoising device, the gas circuit with the denoising device and the ventilator with the gas circuit.The denoising device, comprising: including pipeline body, rectifier stack, the first gas path joint and the second gas path joint；One end of the pipeline body removably connects the first gas path joint, and the other end of the pipeline body is detachably connected or affixed second gas path joint；The rectifier stack is set in the pipeline body, the pipeline body is divided into first chamber and second chamber by the rectifier stack, the rectifier stack includes multiple air ventilation passages, and multiple air ventilation passages are connected to the first chamber and the second chamber.It can effectively reduce the noise that patient end is transferred to by gas circuit, and the denoising device convenient disassembly by the denoising device, cleaning and disinfection also facilitate, reusable.
Description
Technical field
The utility model relates to medical instruments field more particularly to a kind of denoising device, with the gas circuit of the denoising device
And the ventilator with the gas circuit.
Background technique
Ventilator is a kind of device of normal physiologic respiration that can replace, control or change people, is usually used to increase patient
Pulmonary ventilation volume, improve the respiratory function of patient, mitigate breathing power consumption, save the heart reservation ability of patient.Blower is
An important component in ventilator, for pressurize for breathing gas and be conveyed to patient end.
In existing ventilator market, most ventilators are small in size in order to pursue, and are convenient for carrying, directly high-revolving
Gas caused by blower leads to patient end by ventilator gas circuit, or gas is had silencing cotton by a simple intersegmental part
Silencer come after noise reduction gas to lead to patient end.Gas caused by high-revolving blower is directly passed through ventilator gas circuit
The design for leading to patient end, which has ignored noise, to be transmitted along gas circuit, because blower is directly connected with gas circuit, blower turns in height
The low frequency noise that very big wind is made an uproar and blower motor generates can be generated during speed operation, can all pass through the gas of ventilator
Patient end is passed on road, to influence ventilator to the therapeutic effect of patient, the performance for being unfavorable for ventilator is played.
There is the silencer of silencing cotton come after noise reduction by a simple intersegmental part gas caused by high-revolving blower
Gas is led to patient end, silencing cotton is bad for the erasure effect of noise, and most of noise can directly pass through or penetrate noise reduction
Real Noise Reduction is not achieved in cotton.And it is needed to be replaced frequently with the silencing cotton in the silencer of air circuit connection, or entire
Muffler needs replacing, and causes greatly waste and pollution in this way.
Summary of the invention
In order to solve the technical problems existing in the prior art, the utility model provides that a kind of denoising device, have should
The gas circuit of denoising device and ventilator with the gas circuit.The denoising device can be used for a long time, no replacement is required inner body, pass through
The denoising device can effectively reduce the noise that patient end is transferred to by gas circuit.
A kind of denoising device, comprising: pipeline body, rectifier stack, the first gas path joint and the second gas path joint；
One end of the pipeline body removably connects the first gas path joint, and the other end of the pipeline body is detachable
Connection or affixed second gas path joint；
The rectifier stack is set in the pipeline body, and the pipeline body is divided into first by the rectifier stack
Chamber and second chamber, the rectifier stack include multiple air ventilation passages, described in multiple air ventilation passage connections
First chamber and the second chamber.
In one embodiment, the rectifier stack include one axially through channel, the both ends in the channel point
It is not provided with the first cone and the second cone, first cone and second cone close off the channel
Both ends.
In one embodiment, the rectifier stack include one axially through channel, the one end in the channel is spacious
It opens, the other end closing in the channel.
In one embodiment, first gas path joint includes outwardly extending port, inside port and flange, institute
The air circuit connection of outwardly extending port and ventilator is stated, the inside port is located in the first chamber, the flange
It is connected on the inner wall of the pipeline body.
In one embodiment, the inside port of first gas path joint, which is provided with to the first chamber, prolongs
The first port stretched, the periphery of first port are provided with multiple first ventholes, the first port end of first port
Portion's closing, first gas path joint are connected to by first venthole with the first chamber.
In one embodiment, the open one end in the channel is provided with limiting section, closed first port end
Portion is connected on the limiting section.
In one embodiment, multiple air ventilation passages of the rectifier stack are distributed evenly in the channel
Periphery, the internal diameter of the air ventilation passage is less than the internal diameter in the channel.
In one embodiment, the closed other end in the channel is convexly equipped with the second port, second port
Periphery be provided with multiple second ventholes, second port passes through multiple second ventholes and the second chamber connects
It is logical；
The end abutment of second port is on the inner wall of second gas path joint, second port and described the
The connection of two gas path joints.
A kind of gas circuit, including any one of the above denoising device.
A kind of ventilator, including any one of the above gas circuit.
A kind of denoising device, the gas circuit with the denoising device and the breathing with the gas circuit provided by the utility model
Machine, the denoising device include pipeline body, rectifier stack, the first gas path joint and the second gas path joint, the first gas path joint and
Second gas path joint is connected to the both ends of pipeline body, and rectifier stack is set in pipeline body, and rectifier stack is by pipeline
Ontology is divided into first chamber and second chamber, and rectifier stack includes multiple air ventilation passages, and multiple air ventilation passages connect
Logical first chamber and second chamber, the gas and noise that the blower of ventilator generates come out from the escape pipe of ventilator, via the
One gas path joint reaches first chamber, and gas is buffered in the first chamber, flows through multiple gas streams of rectifier stack later
Circulation passage reaches second chamber, and rectifier stack, which can comb air-flow, keeps air-flow more smooth, reduces aerodynamic noise, gas is second
Converge in chamber, air-flow is avoided to reduce, finally come out from the second gas path joint, flows through the tracheae connecting with patient end and reach patient
End, reflection and/or refraction occur for inner wall of the noise Jing Guo first chamber, multiple air ventilation passages and second chamber, to make
Noise is effectively reduced.And the denoising device convenient disassembly, cleaning and disinfection also facilitate, reusable, service life
It is long, no replacement is required inner body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the denoising device of one embodiment；
Fig. 2 is the structural schematic diagram of the denoising device of another embodiment；
Fig. 3 is the structural schematic diagram of the denoising device of another embodiment；
Fig. 4 is the structural schematic diagram of the denoising device of another embodiment；
Description of symbols:
Pipeline body 1；
Rectifier stack 2, air ventilation passage 21, channel 22, the first cone 23, the second cone 24, limiting section 221,
Second port 25, the second venthole 251；
First gas path joint 3, outwardly extending port 31, inside port 32, flange 33, the first port 34, first are logical
Stomata 341, the first port end 342；
Second gas path joint 4；
First chamber 5；
Second chamber 6.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
A kind of denoising device provided by the utility model, the denoising device are applied to the gas circuit of ventilator, the denoising device
The first gas path joint 3 connect with the outlet gas circuit section of ventilator, the second gas path joint 4 of the denoising device with lead to patient end
Tracheae be connected.The denoising device includes pipeline body, rectifier stack, the first gas path joint and the second gas path joint, and first
Gas path joint and the second gas path joint are connected to the both ends of pipeline body, and rectifier stack is set in pipeline body, rectification
Pipeline body is divided into first chamber and second chamber by component, and rectifier stack includes multiple air ventilation passages, multiple gases
Circulation passage is connected to first chamber and second chamber, and the gas and noise that the blower of ventilator generates go out from the escape pipe of ventilator
Come, reach first chamber via the first gas path joint, gas is buffered in the first chamber, flows through the more of rectifier stack later
A air ventilation passage reaches second chamber, and rectifier stack, which can comb air-flow, keeps air-flow more smooth, reduces aerodynamic noise, gas
Body converges in second chamber, and air-flow is avoided to reduce, and finally comes out from the second gas path joint, flows through the tracheae connecting with patient end
Patient end is reached, reflection and/or folding occur for inner wall of the noise Jing Guo first chamber, multiple air ventilation passages and second chamber
It penetrates, so that noise be made to be effectively reduced.And the denoising device convenient disassembly, cleaning and disinfection also facilitate, reusable,
Long service life, no replacement is required inner body.
A kind of denoising device provided by the utility model is described in detail with reference to the accompanying drawings.
As shown in Figure 1, the gas circuit according to the denoising device of the utility model embodiment, applied to ventilator, comprising: including
Pipeline body 1, rectifier stack 2, the first gas path joint 3 and the second gas path joint 4；One end of pipeline body 1 removably connects
First gas path joint 3, the other end of the pipeline body is detachably connected or affixed second gas path joint 4；Rectifier stack 2 is arranged
In in pipeline body 1, pipeline body 1 is divided into first chamber 5 and second chamber 6 by rectifier stack 2, and rectifier stack 2 includes more
A air ventilation passage 21, air ventilation passage 21 are connected to first chamber 5 and second chamber 6.
In the present embodiment, pipeline body 1 is hollow cylinder, and one end of pipeline body 1 removably connects the first gas circuit
The other end of connector 3, pipeline body 1 is detachably connected or affixed second gas path joint 4, and illustratively, the first gas path joint 3 is set
It is equipped with flange, 1 inner wall of pipeline body is provided with limiting section, and the flange of the first gas path joint 3 is connected to the limit of 1 inner wall of pipeline body
In the portion of position, for interface airtightness, groove can be set on flange, place air locking in a groove, which can be by
Silica gel elastomeric material is made；Second gas path joint 4 can be integrally formed with the other end of pipeline body 1, the second gas path joint 4
The other end of pipeline body 1 can also be removably attachable to, for example the second gas path joint 4 is provided with flange, in pipeline body 1
Wall is provided with limiting section, and the flange of the second gas path joint 4 is connected on the limiting section of 1 inner wall of pipeline body, in order to which interface is closed
Property, groove can be set on flange, place air locking in a groove, lid air locking can be made of silica gel elastomeric material.
Rectifier stack 2 is set in pipeline body 1, and pipeline body 1 is divided into first chamber 5 and second by rectifier stack 2
Chamber 6.Rectifier stack 2 includes multiple air ventilation passages 21, and multiple air ventilation passages 21 are connected to first chamber 5 and the second chamber
Room 6.The quantity of air ventilation passage 21 can according to need setting, and the quantity of air ventilation passage 21 is more, and noise reduction effect is got over
It is good.The internal diameter of air ventilation passage 21 also can according to need setting.Multiple air ventilation passages 21 can have identical ruler
Very little and uniform distribution.Multiple air ventilation passages 21 also can have different sizes.First gas circuit of the denoising device connects
First 3 connect with the outlet gas circuit section of ventilator, and the second gas path joint 4 of the denoising device is connected with the tracheae for leading to patient end
It connects, the gas that high-speed rotating blower generates flows through the outlet gas circuit section of ventilator, reaches the first chamber by the first gas path joint 3
Room 5, gas are buffered in first chamber 5, and gas passes through the rectifier stack 2 with multiple air ventilation passages 21, rectification
Component 2, which can comb air-flow, keeps air-flow more smooth, and the gas come out from multiple air ventilation passages 21 converges in second chamber
It closes, then is flowed out from the second gas path joint 4, flow through tracheae and reach patient end, reduce aerodynamic noise, blower is in high-speed rotation
Reflection and/or folding occur for inner wall of the noise of middle generation Jing Guo first chamber 5, multiple air ventilation passages 21 and second chamber 6
It penetrates, so that noise be made to be effectively reduced.
As shown in Fig. 2, in some embodiments, rectifier stack 2 further include one axially through channel 22, channel 22
Both ends be respectively arranged with the first cone 23 and the second cone 24, the first cone 23 and the second cone 24 close off
The both ends in channel 22.Further, multiple air ventilation passages are distributed evenly in the periphery in channel 22.First cone, 23 He
Second cone 24 can make noise that reflection and/or refraction occur, so that noise be made to be reduced, and noise can be prevented logical
It crosses channel 22 and is passed directly to patient end.
As shown in figure 3, in some embodiments, rectifier stack 2 include one axially through channel 22, channel 22
Open at one end, the other end closing in channel 22, can prevent noise to be passed directly to patient end by channel 22 in this way.Further
Ground, the first gas path joint 3 include outwardly extending port 31, inside port 32 and flange 33, the outwardly extending port 31
With the air circuit connection of ventilator, which is located in first chamber 5, and flange 33 is connected to the inner wall of pipeline body 1
On.Flange 33, which is connected on the inner wall of pipeline body 1, can prevent the first gas path joint 3 from moving in pipeline body 1.It is optional
, flange 33 can be set fluted, sealing element can be placed in groove, sealing element can be by rubber or silica gel elastomeric material
It is made, can guarantee the air-tightness of the first gas path joint 3 and the junction of pipeline body 1 in this way, prevent gas leakage.It is high-speed rotating
The gas that blower generates flows through the outlet gas circuit section of ventilator, reaches first chamber 5 by the first gas path joint 3, and gas is the
It is buffered in one chamber 5, gas can be combed by the rectifier stack 2 with multiple air ventilation passages 21, rectifier stack 2
Air-flow keeps air-flow more smooth, and the gas come out from multiple air ventilation passages 21 converges in second chamber, then from the second gas
Pipeline connector 4 flows out, and flows through tracheae and reaches patient end, reduces aerodynamic noise, the noise that blower generates in high-speed rotation process
By the inside port 32 of the first gas path joint 3, first chamber 5, multiple air ventilation passages 21 and second chamber 6 inner wall
Reflection and/or refraction occurs, so that noise be made to be effectively reduced.
As shown in figure 4, in some embodiments, the inside port 32 of the first gas path joint 3 is provided with to first chamber 5
The first port 34 extended, the periphery of the first port 34 is provided with multiple first ventholes 341, the first port of the first port 34
End 342 is closed, which can specifically be closed by high areal density body material, high areal density
Body material may include high-density plastic, metal or high density sound-proof material etc..First gas path joint 3 is ventilated by multiple first
Hole 341 is connected to first chamber 5.The quantity of first venthole 341 can according to need setting, the quantity of the first venthole 341
More, noise reduction effect is better.The internal diameter of first venthole 341 also can according to need setting.Multiple first ventholes 341 can be with
It is of the same size and is uniformly distributed.Multiple first ventholes 341 also can have different sizes.First blow vent 34
Periphery setting multiple first ventholes 341 and closed first port end 342 can prevent blower generate low-and high-frequency
Noise reaches patient end by pipeline body 1, to play the role of reducing noise.
The open one end in channel 22 is provided with limiting section 221, and closed first port end 342 is connected to the limiting section
On 221, it can prevent the first gas path joint 3 from moving under the effect of external force into first chamber 5 in this way.
Multiple air ventilation passages 21 of rectifier stack 2 are distributed evenly in the periphery in channel 22, air ventilation passage 21
Internal diameter be less than the channel 22 internal diameter.The quantity of air ventilation passage 21 can according to need setting, air ventilation passage
21 quantity is more, and noise reduction effect is better.The internal diameter of air ventilation passage 21 also can according to need setting.Multiple gas circulations
Channel 21 can have identical size and uniform distribution.Multiple air ventilation passages 21 also can have different sizes.
Multiple air ventilation passages 21 can comb the air-flow by rectifier stack 2, make airflow smooth, and then reduce aerodynamic noise；It is more
Reflection and/or refraction occur for the other kinds of noise that the inner wall of a air ventilation passage 21 flows through rectifier stack 2, to make
Noise is effectively reduced.
The closed other end in channel 22 is convexly equipped with the second port 25, and it is logical that the periphery of the second port 25 is provided with multiple second
Stomata 251, the second port 25 are connected to by multiple second ventholes 251 with second chamber 6；The end abutment of second port 25 exists
On the inner wall of second gas path joint 4, the second port 25 is connected to the second gas path joint 4.The quantity of second venthole 251 can root
According to needing to be arranged, the quantity of the second venthole 251 is more, and noise reduction effect is better.The internal diameter of second venthole 251 can also basis
It needs to be arranged.Multiple second ventholes 251 can have identical size and uniform distribution.Multiple second ventholes 251
It can have different sizes.Gas reaches second chamber 6 after coming out from rectifier stack 2, the gas in second chamber 6 flows through more
A second venthole 251 reaches in the second blow vent 25, and the second blow vent 25 plays the role of converging gas, avoids gas stream
Amount is reduced, and the gas after converging is flowed out from the second gas path joint 4, eventually arrives at patient end.Meanwhile noise arrival second chamber 6,
Reflection and/or refraction occur when the second port 25 and multiple second ventholes 251, so that noise has been obtained further reduction, i.e.,
Effectively reduce the noise that patient end is reached by the gas circuit of ventilator.The closed first port end 342 of first port 34
It is connected on limiting section 221 and the end abutment of the second port 25 is on the inner wall of the second gas path joint 4, such design is real
Showed fixation of the rectifier stack 2 in pipeline body 1, can prevent under external force rectifier stack 2 moved in pipeline body 1
It is dynamic；Such to design the disassembly, cleaning and disinfection for also facilitating the denoising device, the denoising device is reusable, service life
It is long, no replacement is required inner body.
According to gas circuit provided by the utility model, including according to denoising device provided by the utility model.
According to ventilator provided by the utility model, including according to gas circuit provided by the utility model.
The gas circuit by ventilator can be effectively reduced in gas circuit with the denoising device and the ventilator with the gas circuit
It is transferred to the noise of patient end.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art can incite somebody to action
Different embodiments or examples described in this specification are engaged and are combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of denoising device, the gas circuit applied to ventilator, which is characterized in that including pipeline body, rectifier stack, the first gas
Pipeline connector and the second gas path joint；
One end of the pipeline body removably connects the first gas path joint, and the other end of the pipeline body is detachably connected
Or affixed second gas path joint；
The rectifier stack is set in the pipeline body, and the pipeline body is divided into first chamber by the rectifier stack
And second chamber, the rectifier stack include multiple air ventilation passages, multiple air ventilation passage connections described first
Chamber and the second chamber.
2. denoising device according to claim 1, which is characterized in that the rectifier stack include one axially through
Channel, the both ends in the channel are respectively arranged with the first cone and the second cone, first cone and described second
Cone closes off the both ends in the channel.
3. denoising device according to claim 1, which is characterized in that the rectifier stack include one axially through
Channel, the open at one end in the channel, the other end closing in the channel.
4. denoising device according to claim 3, which is characterized in that first gas path joint includes outwardly extending end
Mouth, inside port and flange, the air circuit connection of the outwardly extending port and ventilator, the inside port are located at institute
It states in first chamber, the flange is connected on the inner wall of the pipeline body.
5. denoising device according to claim 4, which is characterized in that the inside port of first gas path joint
It is provided with the first port extended to the first chamber, the periphery of first port is provided with multiple first ventholes, institute
The first port end-enclosed of the first port is stated, first gas path joint passes through first venthole and the first chamber
Connection.
6. denoising device according to claim 5, which is characterized in that the open one end in the channel is provided with limit
Portion, closed first port end are connected on the limiting section.
7. denoising device according to claim 3, which is characterized in that multiple gas circulations of the rectifier stack are logical
Road is distributed evenly in the periphery in the channel, and the internal diameter of the air ventilation passage is less than the internal diameter in the channel.
8. denoising device according to claim 3, which is characterized in that the closed other end in the channel is convexly equipped with
Second port, the periphery of second port are provided with multiple second ventholes, and second port passes through multiple described second
Venthole is connected to the second chamber；
The end abutment of second port is on the inner wall of second gas path joint, second port and second gas
Pipeline connector connection.
9. a kind of gas circuit, which is characterized in that including denoising device described in claim 1-8 any one.
10. a kind of ventilator, which is characterized in that including gas circuit as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244148.XU CN209204371U (en) | 2018-08-03 | 2018-08-03 | Denoising device, the gas circuit with the denoising device and the ventilator with the gas circuit |
| PCT/CN2019/098244 WO2020024914A1 (en) | 2018-08-03 | 2019-07-29 | Noise reduction device, pneumatic path comprising the noise reduction device and respiratory system comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244148.XU CN209204371U (en) | 2018-08-03 | 2018-08-03 | Denoising device, the gas circuit with the denoising device and the ventilator with the gas circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209204371U true CN209204371U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821244148.XU Active CN209204371U (en) | 2018-08-03 | 2018-08-03 | Denoising device, the gas circuit with the denoising device and the ventilator with the gas circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209204371U (en) |
| WO (1) | WO2020024914A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021135615A1 (en) * | 2019-12-30 | 2021-07-08 | 北京怡和嘉业医疗科技股份有限公司 | Noise reduction structure for ventilation treatment device and ventilation treatment device |
| CN115234476A (en) * | 2022-09-21 | 2022-10-25 | 南京舒普思达医疗设备有限公司 | Filtering structure of compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113795289A (en) * | 2019-05-02 | 2021-12-14 | 瑞思迈私人有限公司 | Acoustic component identification for respiratory therapy systems |
| IT202200011255A1 (en) * | 2022-05-27 | 2023-11-27 | Universita’ Di Pisa | IMPROVED VENTILATION DEVICE |
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| DE19731355A1 (en) * | 1997-07-22 | 1999-01-28 | Karlheinz Dipl Ing Herzig | Sound damping equipment for respirator |
| US8028695B2 (en) * | 2006-11-30 | 2011-10-04 | The General Electric Company | Apparatus and system for reducing mechanical ventilator noise |
| CN202544966U (en) * | 2012-05-04 | 2012-11-21 | 河北元道通信技术有限公司 | Silencer |
| CN205073449U (en) * | 2014-12-18 | 2016-03-09 | 刘黎 | A make an uproar cabin and water conservancy diversion mechanism fall for breathing machine fan |
| CN205055109U (en) * | 2015-10-16 | 2016-03-02 | 北京怡和嘉业医疗科技有限公司 | A gaseous noise reduction device and do not have wound breathing machine for having create breathing machine |
| CN207076014U8 (en) * | 2017-02-24 | 2018-05-01 | 刘义廷 | A kind of novel oxygen humidification bottle |
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2018
- 2018-08-03 CN CN201821244148.XU patent/CN209204371U/en active Active
-
2019
- 2019-07-29 WO PCT/CN2019/098244 patent/WO2020024914A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135615A1 (en) * | 2019-12-30 | 2021-07-08 | 北京怡和嘉业医疗科技股份有限公司 | Noise reduction structure for ventilation treatment device and ventilation treatment device |
| CN115234476A (en) * | 2022-09-21 | 2022-10-25 | 南京舒普思达医疗设备有限公司 | Filtering structure of compressor |
| CN115234476B (en) * | 2022-09-21 | 2023-01-06 | 南京舒普思达医疗设备有限公司 | Filtering structure of compressor |
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| WO2020024914A1 (en) | 2020-02-06 |
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