CN208355880U - A kind of medical atomizer that internal gas flow improves - Google Patents
A kind of medical atomizer that internal gas flow improves Download PDFInfo
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- CN208355880U CN208355880U CN201721428793.2U CN201721428793U CN208355880U CN 208355880 U CN208355880 U CN 208355880U CN 201721428793 U CN201721428793 U CN 201721428793U CN 208355880 U CN208355880 U CN 208355880U
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- atomizing nozzle
- medical treatment
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Abstract
The application belongs to medical instruments field, the medical atomizer improved in particular to a kind of internal gas flow, the medical atomizer of the application passes through the block piece of inverted round table body structure, and enter channel by the way that specific cavity structure and outside air is arranged, the droplet that low partial size can not only effectively be screened enters human body, can also improve nebulization efficiency.
Description
Technical field
The utility model relates to a kind of medical atomizers, more particularly to a kind of blast atomizer.
Background technique
The aqueous solution of drug or suspension by being dispersed into the easy sucking size being suspended in gas by suction-type atomizer
Drug containing aerosol, be deposited on respiratory tract and (or) lung in such a way that patient sucks and deliver the drug of therapeutically effective amount,
Treatment various respiratory tract disease, especially asthma or the children and gerontal patient of COPD are now widely used in, and are not suitable for it
He sucks preparation person.
Suction-type atomizer type is more, including blast atomizer, ultrasonic atomizer and vibrating screen atomizer etc., and furthermore one
A little novel atomizers are also being studied or are being in clinical test.Wherein, blast atomizer is using compressed gas come atomization medicine
Solution or suspension, reach injection atomizing effect of the fogdrop diameter less than 10 μm, and basic functional principle is bernoulli
(Bernoulli) principle.It is different from metered dose inhalation aerosol (pMDI) and Foradil Aerolizer formoterol fumarate (DPI), atomized inhalation by
The influence of formulation factors is smaller.A variety of drugs such as β 2 receptor agonist, antibiotic, anticholinergic agent and large biological molecule pass through injection
The high-speed flow of atomizer can be effectively atomized.The mass median aerodynamic diameter (MMAD) of usual droplet 1~8 μm it
Between, the droplet less than 5 μm can preferably in pulmonary deposition and be absorbed.
Current more common blast atomizer has LC Star, LC Plus and AeroEclipse, wherein LC
Star soakage is big, and nebulisation time is short.Report prompt, LC Star generate mist droplet deposition rate faster (0.093mg/min),
The effective deposition of droplet that AeroEclipse is generated is higher (58.9% is deposited on lung), it can be seen that, how to improve mist
It is the major issue faced when blast atomizer design that mist droplet particle size is reduced while changing speed.
Utility model content
The purpose of this utility model is to provide the blast atomizers that a kind of internal gas flow improves, to improve droplet distribution,
Improve nebulization efficiency.In order to realize above-mentioned purpose of utility model, the utility model provides following technical scheme:
A kind of ejection-type medical treatment atomizer, comprising:
Spray chamber, the room defined for a shell, including it is located at lower part liquid storing part, superposed cavity, and
The compressed air ingress pipe in cavity is extended upwardly to from liquid storing part intermediate region, the compressed air ingress pipe is in upper end
Fumarole is formed,
Atomization core is connected on the compression ingress pipe, provides the aspiration path extended from liquid storing part to fumarole, and
Atomizing nozzle is formed at fumarole, the atomization core is equipped with block piece on the upside of atomizing nozzle, constitutes between block piece and atomizing nozzle
Close gap,
Mist channel out comprising the outer tube part upwardly extended from the top of cavity and the interior pipe portion extended downwardly,
Wherein, the block wall for being fixed on the lower section of interior pipe portion is additionally provided in the cavity, between inner tube lower edge
It is open to constitute annular open around, it is described go out mist channel, block wall, atomization core and compressed air ingress pipe cloth from top to bottom
It sets.
Preferably, the atomization core is mounted on the compression ingress pipe with coverage mode, and passes through atomization core and compression
Gap between air leading-in conduit provides the aspiration path extended from liquid storing part to fumarole.
Preferably, the block piece is inverted round estrade structure.
Preferably, the spray chamber is tubular, mist channel, block wall, atomization core and the compressed air ingress pipe edge out
The central axis of spray chamber is arranged from top to bottom.
Preferably, the shell of the cavity enters channel equipped with multiple outside airs, is located at interior logical on the inside of cavity
It arranges around the central axis of spray chamber at road junction.
Preferably, the internal channel mouth is set on the side wall of cavity.
Preferably, the position of the internal channel mouth is lower than and opens between atomizing nozzle or internal channel mouth and atomizing nozzle equipped with downside
The baffle put so that when air enters from the internal channel mouth approach atomizing nozzle lower section.
Preferably, the shell of the spray chamber extends an encirclement atomizing nozzle from cavity top into the cavity of downside
, the tubular structure that downside is open, the shell of the tubular structure has adequate thickness, so that outside air enters channel in
Empty mode is disposed therein and extends downwardly from its top, and the internal channel mouth for being located at cavity side is opened in the tubular
The lower edge of structure.
Preferably, the shell of the spray chamber extends an encirclement atomizing nozzle from cavity top into the cavity of downside
, the tubular structure that downside is open, the shell of the tubular structure has adequate thickness, so that outside air enters channel in
Empty mode is disposed therein and extends downwardly from its top, is located at the internal channel mouth on the inside of cavity and is opened in the tubular
The inside of structure, and the position of internal channel mouth is lower than atomizing nozzle.
Preferably, the shell of the spray chamber extends an encirclement atomizing nozzle from cavity top into the cavity of downside
, the tubular structure that downside is open, the shell of the tubular structure has adequate thickness, so that outside air enters channel in
Empty mode is disposed therein and extends downwardly from its top, is located at the internal channel mouth on the inside of cavity and is opened in the tubular
The outside of structure.
The medical atomizer of the application passes through the block piece of inverted round table body structure, can not only improve nebulization efficiency, may be used also
Make droplet towards spraying in the cavity of oblique upper, and by specific cavity structure, so that high flow rate, big partial size droplet are limited
The opening limited by block wall and interior pipe portion, and gentle flow velocity and the low partial size droplet of Brownian movement are then by interior pipe portion and block
The opening that wall is constituted screens, can be by going out mist channel to enter patient lungs depths.
In addition, entering channel by the way that specific outside air is arranged, the medical atomizer of the application can also make low partial size
Droplet is more smooth as patient inspiration flow enters mist channel, avoids it due to the blocking of interior pipe portion and block wall and in cavity
Internal agglomerate, further increases nebulization efficiency.
Finally, the block piece of inverted round table body structure makes droplet towards spraying in the cavity of oblique upper, can be reduced or avoided
The droplet directly internal channel mouth movement of air inlet passage towards the outside, so that the spilling of droplet be reduced or avoided.
Detailed description of the invention
A kind of internal structure schematic diagram of atomizer of the application is shown in Fig. 1
The internal structure schematic diagram of another atomizer of the application is shown in Fig. 2
The internal structure schematic diagram of another atomizer of the application is shown in Fig. 3
The internal structure schematic diagram of another atomizer of the application is shown in Fig. 4
The component disassembly diagram of atomizer described in Fig. 2 is shown in Fig. 5
The component disassembly diagram of atomizer shown in Fig. 3 is shown in Fig. 6
A kind of structure chart of atomization core of the application is shown in Fig. 7
Specific embodiment
The utility model is further described in detail With reference to embodiment.But this should not be interpreted as to this
The range of the above-mentioned theme of utility model is only limitted to following embodiment, all to be belonged to based on the technology that the content of the present invention is realized
The scope of the utility model.
As shown in Figure 1, a kind of specific embodiment of ejection-type medical treatment atomizer for the application, comprising: (a) spray chamber 1,
It is the tubular room that defines of shell, including is located at lower part liquid storing part 11, superposed cavity 12, and from liquid storing part 11
Intermediate region extends to the compressed air ingress pipe 13 in cavity 12, the compressed air ingress pipe 13 in cavity 12 upwards
End forms fumarole 131 at an upper portion thereof, and atomization core 2 (b) are mounted on the compressed air ingress pipe 13 with coverage mode
On, it is corresponding at fumarole 131 to be equipped with atomizing nozzle 21, and pass through the gap between atomization core 2 and compressed air ingress pipe 13
The aspiration path 22 extended from liquid storing part 11 to fumarole 131 is provided, the atomization core 2 is equipped with inverted on the upside of atomizing nozzle 21
The block piece 23 of round estrade structure；(c) go out mist channel 3 comprising the outer tube part 31 that is upwardly extended from the top of cavity 12 and to
The interior pipe portion 32 of lower extension.In addition, the block wall 321 for being fixed on the lower section of interior pipe portion 32 is additionally provided in cavity 12, with inner tube
Annular opening 322 open around is constituted between 32 lower edge of portion, mist channel 3, block wall 321, atomization core 2 and compression are empty out
Gas ingress pipe 13 is arranged from top to bottom along the central axis of spray chamber 1.
In the present embodiment, block wall 321 is fixed on interior pipe portion 32 (for more by four connecting rods that interior pipe portion 32 extends downwardly
Clearly show that the technology contents of the application, specific four link mechanisms be not drawn into figure), it is right due to being rod-like structure
The annular opening 322 constituted between 32 lower edge of block wall 321 and interior pipe portion is blocked smaller.In addition, the fixation side of block wall 321
Formula is not limited to the present embodiment, for example, its two connecting rod that can be extended downwardly by interior pipe portion 32 is fixed on interior pipe portion 32, again
For example, it can be fixed on the inner wall of spray chamber 1 by connecting rod, or for example, it can be integrally formed with atomization core 2, thus solid
Due to the upside of atomization core 2.
Referring to Fig. 7, block piece 23 is set on atomizing nozzle 21 in a manner of hollow out, for the skill of clearer display the application
Art content is not drawn into specific structure in Fig. 1
The atomizer of the present embodiment passes through the block piece 23 of inverted round table body structure, makes cavity 12 of the droplet towards oblique upper
Middle injection, in user's air-breathing, the air in cavity 12 is moved towards mist channel 3 is gone out, and to spray droplet towards block wall
Open 322 directions of the annular constituted between 321 and 32 lower edge of interior pipe portion deflect, wherein the usual inertia of the biggish droplet of partial size
Greatly, speed is fast, movement influenced by inspiratory airflow it is smaller, so hitting essentially according to its original movement trajectory to the inner wall of cavity 12
On；Although the lesser droplet of partial size is easier to be influenced by inspiratory airflow, the droplet of excessive velocities usually has little time to deflect to annular
It is just intercepted, is equally retained in spray chamber 1 by 12 inner wall of cavity or interior pipe portion 32 at opening 322；In addition, directly towards inner tube
The droplet of 32 direction of portion injection can be intercepted by block wall 321, to cannot be introduced into out mist channel 3 and be retained in spray chamber 1；
Only the low partial size droplet of low flow velocity more freely can enter interior pipe portion 32 with 12 internal gas flow of cavity and block wall 321 is constituted
Annular opening 322, and via mist channel 3 out enter patient's body.
Further, in a preferred embodiment, as shown in Figure 1, being additionally provided on the shell of cavity 12 multiple external empty
Gas enters channel 4, and the internal channel mouth 41 for being located at 12 inside of cavity is provided on the side wall of cavity 12, and around spray chamber 1
Central axis arrangement.
Further, in a preferred embodiment, as shown in Figure 1, the position of internal channel mouth 41 is lower than atomizing nozzle 21.
The present embodiment enters channel 4 by the way that multiple outside airs are arranged, in user's air-breathing to the droplet of cavity 12
There is provided and be oriented to out the air-flow in mist channel 3 from all directions by multiple internal channel mouths 41, allow low partial size droplet more smooth with
Patient inspiration flow enter mist channel 3, avoid it due to the blocking of interior pipe portion 32 and block wall 321 and agglomerate does not go out, mention
High production mist efficiency.
In addition, the outside air of the present embodiment enters the block piece 23 of the collocation of channel 4 inverted round table body structure, also can avoid
Droplet is sprayed towards internal channel mouth 41, so that the spilling of droplet be reduced or avoided.
As shown in Fig. 2, a kind of specific embodiment of ejection-type medical treatment atomizer for the application, comprising: (a) spray chamber 1,
It is the tubular room that defines of shell, including is located at lower part liquid storing part 11, superposed cavity 12, and from liquid storing part 11
Intermediate region extends to the compressed air ingress pipe 13 in cavity 12, the compressed air ingress pipe 13 in cavity 12 upwards
Fumarole 131 is formed in upper end, atomization core 2 (b) are mounted on the compressed air ingress pipe 13 with coverage mode,
It is corresponding at fumarole 131 to be equipped with atomizing nozzle 21, and provided by the gap between atomization core 2 and compressed air ingress pipe 13
The aspiration path 22 extended from liquid storing part 11 to fumarole 131, the atomization core 2 are equipped with inverted rotary table on the upside of atomizing nozzle 21
The block piece 23 of body structure；(c) go out mist channel 3 comprising the outer tube part 31 that upwardly extends from the top of cavity 12 and to downward
The interior pipe portion 32 stretched.In addition, the block wall 321 for being fixed on the lower section of interior pipe portion 32 is additionally provided in cavity 12, with interior pipe portion 32
Annular opening 322 open around is constituted between lower edge, out mist channel 3, block wall 321, atomization core 2 and compressed air
Ingress pipe 13 is arranged from top to bottom along the central axis of spray chamber 1.
Wherein, the shell of spray chamber 1 extends an encirclement atomizing nozzle 21 into the cavity 12 of downside from 12 top of cavity
, the tubular structure 5 that downside is open, constitute the open clip cavity 121 in downside with the side wall of cavity 12, the tubular structure 5
Shell has adequate thickness, is disposed therein with making outside air enter channel 4 in hollow mode and from the top of it to downward
It stretches, the internal channel mouth 41 for being located at 12 side of cavity is opened in the inside of the tubular structure 5, and position is lower than atomizing nozzle 21.
Referring to Fig. 7, block piece 23 is set on atomizing nozzle 21 in a manner of hollow out, for the skill of clearer display the application
Art content is not drawn into specific structure in Fig. 2
It is the component disassembly diagram of the atomizer of the present embodiment, it is known that spray chamber 1 is connect by upper and lower two housing sections referring to Fig. 5
It closes, atomization core 2 is individual components, is mounted on compressed air ingress pipe 13, and be stuck between upper-lower casing.
The atomizer of the present embodiment passes through the block piece 23 of inverted round table body structure, makes cavity 12 of the droplet towards oblique upper
Middle injection, in user's air-breathing, the air in cavity 12 is moved towards mist channel 3 is gone out, and to spray droplet towards block wall
Open 322 directions of the annular constituted between 321 and 32 lower edge of interior pipe portion deflect, wherein the usual inertia of the biggish droplet of partial size
Greatly, speed is fast, movement influenced by inspiratory airflow it is smaller, so hitting essentially according to its original movement trajectory to the inner wall of cavity 12
On；Although the lesser droplet of partial size is easier to be influenced by inspiratory airflow, the droplet of excessive velocities usually has little time to deflect to ring
It is just intercepted, is equally retained in spray chamber 1 by 12 inner wall of cavity or interior pipe portion 32 at shape opening 322；In addition, directly inwardly
The droplet of 32 direction of pipe portion injection can be intercepted by block wall 321, to cannot be introduced into out mist channel 3 and be retained in spray chamber 1
It is interior；Only the low partial size droplet of low flow velocity can be with the ring that 12 internal gas flow of cavity enters interior pipe portion 32 and block wall 321 is constituted
Shape opening 322, and enter patient's body via mist channel 3 out；In addition, the present embodiment is by setting internal channel mouth 41 lower than spray
The outside air of mist mouth 21 enters channel 4, in user's air-breathing to the droplet of cavity 12 provide by multiple internal channel mouths 41 from
All directions are oriented to out the air-flow in mist channel 3, allow low partial size droplet more smooth as patient inspiration flow enters mist
Channel 3, avoids it due to the blocking of interior pipe portion 32 and block wall 321 and agglomerate does not go out, and improves and produces mist efficiency.
The tubular structure 5 that the present embodiment is arranged in cavity 12 acts not only as the carrier that outside air enters channel 4,
The tubular structure 5 also constitutes the clip cavity 121 of annular with the side wall of cavity 12, and the upside closing of clip cavity 121, downside is open and connects
Logical liquid storing part 11, when atomizer inclination, side are put or be inverted, the liquid in liquid storing part 11 will be retained in the clip cavity of cavity 12
In 121, without entering channel 4 or the out leakage of mist channel 3 from outside air.
As a deformation of the present embodiment, as shown in figure 3, the shell of spray chamber 1 is from 12 top of cavity to the sky of downside
Tubular structure 5 that extend an encirclement atomizing nozzle 21 in chamber 12, that downside is open, constitutes downside with the side wall of cavity 12 and opens
The clip cavity 121 put, mist channel 3 is connected to 12 region of cavity of the encirclement of tubular structure 5 out, and outside air enters channel 4 and is connected to
The clip cavity 121.
Referring to Fig. 7, block piece 23 is set on atomizing nozzle 21 in a manner of hollow out, for the skill of clearer display the application
Art content is not drawn into specific structure in Fig. 3
It is the component disassembly diagram of the atomizer of the present embodiment, it is known that spray chamber 1 is connect by upper and lower two housing sections referring to Fig. 6
It closes, atomization core 2 is individual components, is mounted on compressed air ingress pipe 13, and be stuck between upper-lower casing.
As a deformation of the present embodiment, as shown in figure 4, the shell of spray chamber 1 is from 12 top of cavity to the sky of downside
Tubular structure 5 that extend an encirclement atomizing nozzle 21 in chamber 12, that downside is open, constitutes downside with the side wall of cavity 12
The shell of open clip cavity 121, the tubular structure 5 has adequate thickness, so that outside air enters channel 4 with hollow side
Formula is disposed therein and extends downwardly from its top, and the internal channel mouth 41 for being located at 12 side of cavity is opened in the tubular knot
The lower edge of structure 5.
Referring to Fig. 7, block piece 23 is set on atomizing nozzle 21 in a manner of hollow out, for the skill of clearer display the application
Art content is not drawn into specific structure in Fig. 4
It will be appreciated by those skilled in the art that although the application is described in the way of multiple embodiments,
It is that not each embodiment only contains an independent technical solution.So narration is used for the purpose of for the sake of understanding in specification,
The skilled in the art should refer to the specification as a whole is understood, and by technical solution involved in each embodiment
Regard the protection scope that can be combined with each other into the modes of different embodiments to understand the application as.
The foregoing is merely the schematical specific embodiments of the application, are not intended to limit the scope of the utility model.
Any those skilled in the art, under the premise of not departing from the conceptions and principles of the utility model made equivalent variations, repair
Change and combine, should belong to the range of the application protection.
Claims (10)
1. a kind of medical treatment atomizer, comprising:
Spray chamber (1) is the room that a shell defines, including positioned at lower part liquid storing part (11), superposed cavity
(12), the compressed air ingress pipe (13) in cavity (12), the pressure and from liquid storing part (11) intermediate region are extended upwardly to
Contracting air leading-in conduit (13) forms fumarole (131) in upper end, atomization core (2), is connected to the compressed air and imports
It manages on (13), the aspiration path (22) extended from liquid storing part (11) to fumarole (131) is provided, and formed by spraying at fumarole
Mouth (21), the atomization core (2) is equipped with block piece (23) on the upside of atomizing nozzle (21), between block piece (23) and atomizing nozzle (21)
Constitute close gap, out mist channel (3) comprising the outer tube part (31) that upwardly extends from the top of cavity (12) and extend downwardly
Interior pipe portion (32), which is characterized in that be additionally provided with the block wall for being fixed on the lower section of interior pipe portion (32) in the cavity (12)
(321), it is open (322) that annular open around is constituted between interior pipe portion (32) lower edge, mist channel (3) out,
Block wall (321), atomization core (2) and compressed air ingress pipe (13) are arranged from top to bottom.
2. medical treatment atomizer according to claim 1, it is characterized in that the atomization core (2) be mounted on coverage mode it is described
It is corresponding at fumarole (131) to be equipped with atomizing nozzle (21) on compressed air ingress pipe (13), and by atomization core (2) and press
Gap between contracting air leading-in conduit (13) provides the aspiration path (22) extended from liquid storing part (11) to fumarole (131).
3. medical treatment atomizer according to claim 1, it is characterized in that the spray chamber (1) is tubular, the mist channel out
(3), block wall (321), atomization core (2) and compressed air ingress pipe (13) are arranged from top to bottom along the central axis of spray chamber (1).
4. medical treatment atomizer according to claim 1, it is characterized in that the block piece (23) is inverted round estrade structure.
5. medical treatment atomizer according to claim 1, it is characterized in that the shell of the cavity (12) is equipped with multiple outsides
Air inlet passage (4) is located at central axis of the internal channel mouth (41) around spray chamber (1) on the inside of cavity (12) and arranges.
6. medical treatment atomizer according to claim 5, it is characterized in that the internal channel mouth (41) is set to the side of cavity (12)
On wall.
7. medical treatment atomizer according to claim 5, it is characterized in that the position of the internal channel mouth (41) is lower than atomizing nozzle
(21) the open baffle in downside is equipped with or between internal channel mouth (41) and atomizing nozzle (21), so that air is from the internal channel
The lower section of approach atomizing nozzle (21) when mouth (41) enters.
8. medical treatment atomizer according to claim 5, it is characterized in that the shell of the spray chamber (1) is from the top of cavity (12)
Extend tubular structure (5) that one is surrounded atomizing nozzle (21), that downside opens into the cavity (12) of downside, with cavity
(12) side wall constitutes the open clip cavity (121) in downside, and the shell of the tubular structure (5) has adequate thickness, so that external
Air inlet passage (4) is disposed therein in hollow mode and is extended downwardly from its top, is located on the inside of cavity (12)
Internal channel mouth (41) is opened in the lower edge of the tubular structure (5).
9. medical treatment atomizer according to claim 5, it is characterized in that the shell of the spray chamber (1) is from the top of cavity (12)
Extend tubular structure (5) that one is surrounded atomizing nozzle (21), that downside opens into the cavity (12) of downside, with cavity
(12) side wall constitutes the open clip cavity (121) in downside, and the shell of the tubular structure (5) has adequate thickness, so that external
Air inlet passage (4) is disposed therein in hollow mode and is extended downwardly from its top, is located on the inside of cavity (12)
Internal channel mouth (41) is opened in the inside of the tubular structure (5), and the position of internal channel mouth (41) is lower than atomizing nozzle (21).
10. medical treatment atomizer according to claim 5, it is characterized in that the shell of the spray chamber (1) is pushed up from cavity (12)
Tubular structure (5) that one is surrounded atomizing nozzle (21), that downside opens is extended in portion into the cavity (12) of downside, with cavity
(12) side wall constitutes the open clip cavity (121) in downside, and the shell of the tubular structure (5) has adequate thickness, so that external
Air inlet passage (4) is disposed therein in hollow mode and is extended downwardly from its top, is located on the inside of cavity (12)
Internal channel mouth (41) is opened in the outside of the tubular structure (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428793.2U CN208355880U (en) | 2017-10-31 | 2017-10-31 | A kind of medical atomizer that internal gas flow improves |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428793.2U CN208355880U (en) | 2017-10-31 | 2017-10-31 | A kind of medical atomizer that internal gas flow improves |
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| CN208355880U true CN208355880U (en) | 2019-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274593A (en) * | 2020-02-20 | 2021-08-20 | 深圳麦克韦尔科技有限公司 | Electronic atomization device and air curtain forming structure applied by same |
-
2017
- 2017-10-31 CN CN201721428793.2U patent/CN208355880U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274593A (en) * | 2020-02-20 | 2021-08-20 | 深圳麦克韦尔科技有限公司 | Electronic atomization device and air curtain forming structure applied by same |
| WO2021164224A1 (en) * | 2020-02-20 | 2021-08-26 | 深圳麦克韦尔科技有限公司 | Atomization suction nozzle, medical atomizer and medical atomization electronic device |
| WO2021164223A1 (en) * | 2020-02-20 | 2021-08-26 | 深圳麦克韦尔科技有限公司 | Electronic atomization device and air curtain formation structure used by same |
| CN113274593B (en) * | 2020-02-20 | 2024-04-05 | 深圳麦克韦尔科技有限公司 | Electronic atomizing device and air curtain forming structure applied by same |
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